[INFO] crate ninja-build 0.0.1 is already in cache
[INFO] checking ninja-build-0.0.1 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate ninja-build 0.0.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate ninja-build 0.0.1 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ninja-build 0.0.1
[INFO] finished tweaking crates.io crate ninja-build 0.0.1
[INFO] tweaked toml for crates.io crate ninja-build 0.0.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a14b29fba83429222d910d4da122c905a12c91c6728e402749f17efeae6fc771
[INFO] running `"docker" "start" "-a" "a14b29fba83429222d910d4da122c905a12c91c6728e402749f17efeae6fc771"`
[INFO] [stderr]    Compiling libc-stdhandle v0.1.0
[INFO] [stderr]    Compiling libc-spawn v0.0.1
[INFO] [stderr]     Checking errno v0.2.5
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking murmurhash64 v0.3.1
[INFO] [stderr]     Checking ninja-build v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]    --> src/utils.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 17  | use libc;
[INFO] [stderr]     |     ---- the item `libc` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 196 |     use libc;
[INFO] [stderr]     |         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `errno` is imported redundantly
[INFO] [stderr]    --> src/utils.rs:197:9
[INFO] [stderr]     |
[INFO] [stderr] 19  | use errno;
[INFO] [stderr]     |     ----- the item `errno` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 197 |     use errno;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/utils.rs:442:13
[INFO] [stderr]     |
[INFO] [stderr] 442 |         b'A'...b'Z' => true,
[INFO] [stderr]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/utils.rs:443:13
[INFO] [stderr]     |
[INFO] [stderr] 443 |         b'a'...b'z' => true,
[INFO] [stderr]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/utils.rs:444:13
[INFO] [stderr]     |
[INFO] [stderr] 444 |         b'0'...b'9' => true,
[INFO] [stderr]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Cell`
[INFO] [stderr]   --> src/build.rs:16:17
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::cell::{Cell, RefCell};
[INFO] [stderr]    |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/build.rs:396:32
[INFO] [stderr]     |
[INFO] [stderr] 396 |     command_runner: Option<Box<CommandRunner + 'p>>,
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CommandRunner + 'p`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/build.rs:397:25
[INFO] [stderr]     |
[INFO] [stderr] 397 |     disk_interface: &'c DiskInterface,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn DiskInterface`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/build.rs:411:29
[INFO] [stderr]     |
[INFO] [stderr] 411 |         disk_interface: &'c DiskInterface,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^ help: use `dyn`: `dyn DiskInterface`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `errno` is imported redundantly
[INFO] [stderr]    --> src/build.rs:609:13
[INFO] [stderr]     |
[INFO] [stderr] 609 |         use errno;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:20:1
[INFO] [stderr]     |
[INFO] [stderr] 20  | extern crate errno;
[INFO] [stderr]     | ------------------- the item `errno` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/graph.rs:156:45
[INFO] [stderr]     |
[INFO] [stderr] 156 |     pub fn stat(&mut self, disk_interface: &DiskInterface) -> Result<(), String> {
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^ help: use `dyn`: `dyn DiskInterface`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/graph.rs:168:58
[INFO] [stderr]     |
[INFO] [stderr] 168 |     pub fn stat_if_necessary(&mut self, disk_interface: &DiskInterface) -> Result<(), String> {
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn DiskInterface`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/graph.rs:371:25
[INFO] [stderr]     |
[INFO] [stderr] 371 |     disk_interface: &'c DiskInterface,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn DiskInterface`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/graph.rs:376:59
[INFO] [stderr]     |
[INFO] [stderr] 376 |     pub fn new(deps_log: &'b DepsLog, disk_interface: &'c DiskInterface) -> Self {
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn DiskInterface`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/graph.rs:466:25
[INFO] [stderr]     |
[INFO] [stderr] 466 |     disk_interface: &'c DiskInterface,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn DiskInterface`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/graph.rs:477:29
[INFO] [stderr]     |
[INFO] [stderr] 477 |         disk_interface: &'c DiskInterface,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^ help: use `dyn`: `dyn DiskInterface`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Edge`
[INFO] [stderr]   --> src/build_log.rs:22:20
[INFO] [stderr]    |
[INFO] [stderr] 22 | use super::graph::{Edge, EdgeIndex};
[INFO] [stderr]    |                    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `OsString`
[INFO] [stderr]   --> src/lexer.rs:17:16
[INFO] [stderr]    |
[INFO] [stderr] 17 | use std::ffi::{OsString, OsStr};
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |         b'a'...b'z' | b'A'...b'Z' | b'0'...b'9' | b'_' | b'-' => true,
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer.rs:81:27
[INFO] [stderr]    |
[INFO] [stderr] 81 |         b'a'...b'z' | b'A'...b'Z' | b'0'...b'9' | b'_' | b'-' => true,
[INFO] [stderr]    |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer.rs:81:41
[INFO] [stderr]    |
[INFO] [stderr] 81 |         b'a'...b'z' | b'A'...b'Z' | b'0'...b'9' | b'_' | b'-' => true,
[INFO] [stderr]    |                                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 |         b'a'...b'z' | b'A'...b'Z' | b'0'...b'9' | b'.' | b'_' | b'-' => true,
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer.rs:88:27
[INFO] [stderr]    |
[INFO] [stderr] 88 |         b'a'...b'z' | b'A'...b'Z' | b'0'...b'9' | b'.' | b'_' | b'-' => true,
[INFO] [stderr]    |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer.rs:88:41
[INFO] [stderr]    |
[INFO] [stderr] 88 |         b'a'...b'z' | b'A'...b'Z' | b'0'...b'9' | b'.' | b'_' | b'-' => true,
[INFO] [stderr]    |                                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/eval_env.rs:214:15
[INFO] [stderr]     |
[INFO] [stderr] 214 |         env: &Env,
[INFO] [stderr]     |               ^^^ help: use `dyn`: `dyn Env`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PathBuf`
[INFO] [stderr]   --> src/manifest_parser.rs:19:23
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::path::{Path, PathBuf};
[INFO] [stderr]    |                       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `OsString`
[INFO] [stderr]   --> src/manifest_parser.rs:20:16
[INFO] [stderr]    |
[INFO] [stderr] 20 | use std::ffi::{OsString, OsStr};
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/manifest_parser.rs:66:22
[INFO] [stderr]    |
[INFO] [stderr] 66 |     file_reader: &'a FileReader,
[INFO] [stderr]    |                      ^^^^^^^^^^ help: use `dyn`: `dyn FileReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/manifest_parser.rs:74:26
[INFO] [stderr]    |
[INFO] [stderr] 74 |         file_reader: &'a FileReader,
[INFO] [stderr]    |                          ^^^^^^^^^^ help: use `dyn`: `dyn FileReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/manifest_parser.rs:83:26
[INFO] [stderr]    |
[INFO] [stderr] 83 |         file_reader: &'a FileReader,
[INFO] [stderr]    |                          ^^^^^^^^^^ help: use `dyn`: `dyn FileReader`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `errno` is imported redundantly
[INFO] [stderr]    --> src/metrics.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |     use errno;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:20:1
[INFO] [stderr]     |
[INFO] [stderr] 20  | extern crate errno;
[INFO] [stderr]     | ------------------- the item `errno` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]    --> src/metrics.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |     use libc;
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:16:1
[INFO] [stderr]     |
[INFO] [stderr] 16  | extern crate libc;
[INFO] [stderr]     | ------------------ the item `libc` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]   --> src/state.rs:18:33
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::collections::{HashMap, HashSet, BTreeSet, BinaryHeap};
[INFO] [stderr]    |                                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Ordering`
[INFO] [stderr]   --> src/state.rs:19:28
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::cmp::{PartialOrd, Ordering};
[INFO] [stderr]    |                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::Cell`
[INFO] [stderr]   --> src/subprocess.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use std::cell::Cell;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:410:13
[INFO] [stderr]     |
[INFO] [stderr] 410 |         use libc;
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:16:1
[INFO] [stderr]     |
[INFO] [stderr] 16  | extern crate libc;
[INFO] [stderr]     | ------------------ the item `libc` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc_spawn` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:411:13
[INFO] [stderr]     |
[INFO] [stderr] 411 |         use libc_spawn;
[INFO] [stderr]     |             ^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:19:1
[INFO] [stderr]     |
[INFO] [stderr] 19  | extern crate libc_spawn;
[INFO] [stderr]     | ------------------------ the item `libc_spawn` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `errno` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:415:13
[INFO] [stderr]     |
[INFO] [stderr] 415 |         use errno;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:20:1
[INFO] [stderr]     |
[INFO] [stderr] 20  | extern crate errno;
[INFO] [stderr]     | ------------------- the item `errno` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:517:13
[INFO] [stderr]     |
[INFO] [stderr] 517 |         use libc;
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:16:1
[INFO] [stderr]     |
[INFO] [stderr] 16  | extern crate libc;
[INFO] [stderr]     | ------------------ the item `libc` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `errno` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:518:13
[INFO] [stderr]     |
[INFO] [stderr] 518 |         use errno;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:20:1
[INFO] [stderr]     |
[INFO] [stderr] 20  | extern crate errno;
[INFO] [stderr]     | ------------------- the item `errno` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:544:13
[INFO] [stderr]     |
[INFO] [stderr] 544 |         use libc;
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:16:1
[INFO] [stderr]     |
[INFO] [stderr] 16  | extern crate libc;
[INFO] [stderr]     | ------------------ the item `libc` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `errno` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:545:13
[INFO] [stderr]     |
[INFO] [stderr] 545 |         use errno;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:20:1
[INFO] [stderr]     |
[INFO] [stderr] 20  | extern crate errno;
[INFO] [stderr]     | ------------------- the item `errno` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:671:9
[INFO] [stderr]     |
[INFO] [stderr] 671 |     use libc;
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:16:1
[INFO] [stderr]     |
[INFO] [stderr] 16  | extern crate libc;
[INFO] [stderr]     | ------------------ the item `libc` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `errno` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:673:9
[INFO] [stderr]     |
[INFO] [stderr] 673 |     use errno;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:20:1
[INFO] [stderr]     |
[INFO] [stderr] 20  | extern crate errno;
[INFO] [stderr]     | ------------------- the item `errno` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:708:13
[INFO] [stderr]     |
[INFO] [stderr] 708 |         use libc;
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:16:1
[INFO] [stderr]     |
[INFO] [stderr] 16  | extern crate libc;
[INFO] [stderr]     | ------------------ the item `libc` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `errno` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:709:13
[INFO] [stderr]     |
[INFO] [stderr] 709 |         use errno;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:20:1
[INFO] [stderr]     |
[INFO] [stderr] 20  | extern crate errno;
[INFO] [stderr]     | ------------------- the item `errno` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:743:13
[INFO] [stderr]     |
[INFO] [stderr] 743 |         use libc;
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:16:1
[INFO] [stderr]     |
[INFO] [stderr] 16  | extern crate libc;
[INFO] [stderr]     | ------------------ the item `libc` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `errno` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:744:13
[INFO] [stderr]     |
[INFO] [stderr] 744 |         use errno;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:20:1
[INFO] [stderr]     |
[INFO] [stderr] 20  | extern crate errno;
[INFO] [stderr]     | ------------------- the item `errno` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]    --> src/subprocess.rs:907:13
[INFO] [stderr]     |
[INFO] [stderr] 907 |         use std::mem;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:909:13
[INFO] [stderr]     |
[INFO] [stderr] 909 |         use libc;
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:16:1
[INFO] [stderr]     |
[INFO] [stderr] 16  | extern crate libc;
[INFO] [stderr]     | ------------------ the item `libc` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `errno` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:910:13
[INFO] [stderr]     |
[INFO] [stderr] 910 |         use errno;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:20:1
[INFO] [stderr]     |
[INFO] [stderr] 20  | extern crate errno;
[INFO] [stderr]     | ------------------- the item `errno` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]   --> src/line_printer.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         use libc;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | extern crate libc;
[INFO] [stderr]    | ------------------ the item `libc` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/utils.rs:322:5
[INFO] [stderr]     |
[INFO] [stderr] 322 |     metric_record!("canonicalize str");
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/utils.rs:331:5
[INFO] [stderr]     |
[INFO] [stderr] 331 |     metric_record!("canonicalize path");
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/build.rs:550:9
[INFO] [stderr]     |
[INFO] [stderr] 550 |         metric_record!("StartEdge");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/build.rs:611:9
[INFO] [stderr]     |
[INFO] [stderr] 611 |         metric_record!("FinishCommand");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/manifest_parser.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         metric_record!(".ninja parse");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/disk_interface.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |         metric_record!("node stat");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/state.rs:202:9
[INFO] [stderr]     |
[INFO] [stderr] 202 |         metric_record!("lookup node");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:29:1
[INFO] [stderr]    |
[INFO] [stderr] 29 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]    --> src/utils.rs:196:9
[INFO] [stderr]     |
[INFO] [stderr] 17  | use libc;
[INFO] [stderr]     |     ---- the item `libc` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 196 |     use libc;
[INFO] [stderr]     |         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `errno` is imported redundantly
[INFO] [stderr]    --> src/utils.rs:197:9
[INFO] [stderr]     |
[INFO] [stderr] 19  | use errno;
[INFO] [stderr]     |     ----- the item `errno` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 197 |     use errno;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/utils.rs:442:13
[INFO] [stderr]     |
[INFO] [stderr] 442 |         b'A'...b'Z' => true,
[INFO] [stderr]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/utils.rs:443:13
[INFO] [stderr]     |
[INFO] [stderr] 443 |         b'a'...b'z' => true,
[INFO] [stderr]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/utils.rs:444:13
[INFO] [stderr]     |
[INFO] [stderr] 444 |         b'0'...b'9' => true,
[INFO] [stderr]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Cell`
[INFO] [stderr]   --> src/build.rs:16:17
[INFO] [stderr]    |
[INFO] [stderr] 16 | use std::cell::{Cell, RefCell};
[INFO] [stderr]    |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/build.rs:396:32
[INFO] [stderr]     |
[INFO] [stderr] 396 |     command_runner: Option<Box<CommandRunner + 'p>>,
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn CommandRunner + 'p`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/build.rs:397:25
[INFO] [stderr]     |
[INFO] [stderr] 397 |     disk_interface: &'c DiskInterface,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn DiskInterface`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/build.rs:411:29
[INFO] [stderr]     |
[INFO] [stderr] 411 |         disk_interface: &'c DiskInterface,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^ help: use `dyn`: `dyn DiskInterface`
[INFO] [stderr] 
[INFO] [stderr] warning: the item `errno` is imported redundantly
[INFO] [stderr]    --> src/build.rs:609:13
[INFO] [stderr]     |
[INFO] [stderr] 609 |         use errno;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:20:1
[INFO] [stderr]     |
[INFO] [stderr] 20  | extern crate errno;
[INFO] [stderr]     | ------------------- the item `errno` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/graph.rs:156:45
[INFO] [stderr]     |
[INFO] [stderr] 156 |     pub fn stat(&mut self, disk_interface: &DiskInterface) -> Result<(), String> {
[INFO] [stderr]     |                                             ^^^^^^^^^^^^^ help: use `dyn`: `dyn DiskInterface`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/graph.rs:168:58
[INFO] [stderr]     |
[INFO] [stderr] 168 |     pub fn stat_if_necessary(&mut self, disk_interface: &DiskInterface) -> Result<(), String> {
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^ help: use `dyn`: `dyn DiskInterface`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/graph.rs:371:25
[INFO] [stderr]     |
[INFO] [stderr] 371 |     disk_interface: &'c DiskInterface,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn DiskInterface`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/graph.rs:376:59
[INFO] [stderr]     |
[INFO] [stderr] 376 |     pub fn new(deps_log: &'b DepsLog, disk_interface: &'c DiskInterface) -> Self {
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn DiskInterface`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/graph.rs:466:25
[INFO] [stderr]     |
[INFO] [stderr] 466 |     disk_interface: &'c DiskInterface,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^ help: use `dyn`: `dyn DiskInterface`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/graph.rs:477:29
[INFO] [stderr]     |
[INFO] [stderr] 477 |         disk_interface: &'c DiskInterface,
[INFO] [stderr]     |                             ^^^^^^^^^^^^^ help: use `dyn`: `dyn DiskInterface`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Edge`
[INFO] [stderr]   --> src/build_log.rs:22:20
[INFO] [stderr]    |
[INFO] [stderr] 22 | use super::graph::{Edge, EdgeIndex};
[INFO] [stderr]    |                    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer.rs:81:13
[INFO] [stderr]    |
[INFO] [stderr] 81 |         b'a'...b'z' | b'A'...b'Z' | b'0'...b'9' | b'_' | b'-' => true,
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer.rs:81:27
[INFO] [stderr]    |
[INFO] [stderr] 81 |         b'a'...b'z' | b'A'...b'Z' | b'0'...b'9' | b'_' | b'-' => true,
[INFO] [stderr]    |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer.rs:81:41
[INFO] [stderr]    |
[INFO] [stderr] 81 |         b'a'...b'z' | b'A'...b'Z' | b'0'...b'9' | b'_' | b'-' => true,
[INFO] [stderr]    |                                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer.rs:88:13
[INFO] [stderr]    |
[INFO] [stderr] 88 |         b'a'...b'z' | b'A'...b'Z' | b'0'...b'9' | b'.' | b'_' | b'-' => true,
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer.rs:88:27
[INFO] [stderr]    |
[INFO] [stderr] 88 |         b'a'...b'z' | b'A'...b'Z' | b'0'...b'9' | b'.' | b'_' | b'-' => true,
[INFO] [stderr]    |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/lexer.rs:88:41
[INFO] [stderr]    |
[INFO] [stderr] 88 |         b'a'...b'z' | b'A'...b'Z' | b'0'...b'9' | b'.' | b'_' | b'-' => true,
[INFO] [stderr]    |                                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/eval_env.rs:214:15
[INFO] [stderr]     |
[INFO] [stderr] 214 |         env: &Env,
[INFO] [stderr]     |               ^^^ help: use `dyn`: `dyn Env`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/manifest_parser.rs:66:22
[INFO] [stderr]    |
[INFO] [stderr] 66 |     file_reader: &'a FileReader,
[INFO] [stderr]    |                      ^^^^^^^^^^ help: use `dyn`: `dyn FileReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/manifest_parser.rs:74:26
[INFO] [stderr]    |
[INFO] [stderr] 74 |         file_reader: &'a FileReader,
[INFO] [stderr]    |                          ^^^^^^^^^^ help: use `dyn`: `dyn FileReader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/manifest_parser.rs:83:26
[INFO] [stderr]    |
[INFO] [stderr] 83 |         file_reader: &'a FileReader,
[INFO] [stderr]    |                          ^^^^^^^^^^ help: use `dyn`: `dyn FileReader`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::super::state::State`
[INFO] [stderr]    --> src/manifest_parser.rs:603:9
[INFO] [stderr]     |
[INFO] [stderr] 603 |     use super::super::state::State;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::super::test::VirtualFileSystem`
[INFO] [stderr]    --> src/manifest_parser.rs:604:9
[INFO] [stderr]     |
[INFO] [stderr] 604 |     use super::super::test::VirtualFileSystem;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `errno` is imported redundantly
[INFO] [stderr]    --> src/metrics.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |     use errno;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:20:1
[INFO] [stderr]     |
[INFO] [stderr] 20  | extern crate errno;
[INFO] [stderr]     | ------------------- the item `errno` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]    --> src/metrics.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |     use libc;
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:16:1
[INFO] [stderr]     |
[INFO] [stderr] 16  | extern crate libc;
[INFO] [stderr]     | ------------------ the item `libc` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Ordering`
[INFO] [stderr]   --> src/state.rs:19:28
[INFO] [stderr]    |
[INFO] [stderr] 19 | use std::cmp::{PartialOrd, Ordering};
[INFO] [stderr]    |                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::Cell`
[INFO] [stderr]   --> src/subprocess.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use std::cell::Cell;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:410:13
[INFO] [stderr]     |
[INFO] [stderr] 410 |         use libc;
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:16:1
[INFO] [stderr]     |
[INFO] [stderr] 16  | extern crate libc;
[INFO] [stderr]     | ------------------ the item `libc` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc_spawn` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:411:13
[INFO] [stderr]     |
[INFO] [stderr] 411 |         use libc_spawn;
[INFO] [stderr]     |             ^^^^^^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:19:1
[INFO] [stderr]     |
[INFO] [stderr] 19  | extern crate libc_spawn;
[INFO] [stderr]     | ------------------------ the item `libc_spawn` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `errno` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:415:13
[INFO] [stderr]     |
[INFO] [stderr] 415 |         use errno;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:20:1
[INFO] [stderr]     |
[INFO] [stderr] 20  | extern crate errno;
[INFO] [stderr]     | ------------------- the item `errno` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:517:13
[INFO] [stderr]     |
[INFO] [stderr] 517 |         use libc;
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:16:1
[INFO] [stderr]     |
[INFO] [stderr] 16  | extern crate libc;
[INFO] [stderr]     | ------------------ the item `libc` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `errno` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:518:13
[INFO] [stderr]     |
[INFO] [stderr] 518 |         use errno;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:20:1
[INFO] [stderr]     |
[INFO] [stderr] 20  | extern crate errno;
[INFO] [stderr]     | ------------------- the item `errno` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:544:13
[INFO] [stderr]     |
[INFO] [stderr] 544 |         use libc;
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:16:1
[INFO] [stderr]     |
[INFO] [stderr] 16  | extern crate libc;
[INFO] [stderr]     | ------------------ the item `libc` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `errno` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:545:13
[INFO] [stderr]     |
[INFO] [stderr] 545 |         use errno;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:20:1
[INFO] [stderr]     |
[INFO] [stderr] 20  | extern crate errno;
[INFO] [stderr]     | ------------------- the item `errno` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:671:9
[INFO] [stderr]     |
[INFO] [stderr] 671 |     use libc;
[INFO] [stderr]     |         ^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:16:1
[INFO] [stderr]     |
[INFO] [stderr] 16  | extern crate libc;
[INFO] [stderr]     | ------------------ the item `libc` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `errno` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:673:9
[INFO] [stderr]     |
[INFO] [stderr] 673 |     use errno;
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:20:1
[INFO] [stderr]     |
[INFO] [stderr] 20  | extern crate errno;
[INFO] [stderr]     | ------------------- the item `errno` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:708:13
[INFO] [stderr]     |
[INFO] [stderr] 708 |         use libc;
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:16:1
[INFO] [stderr]     |
[INFO] [stderr] 16  | extern crate libc;
[INFO] [stderr]     | ------------------ the item `libc` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `errno` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:709:13
[INFO] [stderr]     |
[INFO] [stderr] 709 |         use errno;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:20:1
[INFO] [stderr]     |
[INFO] [stderr] 20  | extern crate errno;
[INFO] [stderr]     | ------------------- the item `errno` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:743:13
[INFO] [stderr]     |
[INFO] [stderr] 743 |         use libc;
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:16:1
[INFO] [stderr]     |
[INFO] [stderr] 16  | extern crate libc;
[INFO] [stderr]     | ------------------ the item `libc` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `errno` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:744:13
[INFO] [stderr]     |
[INFO] [stderr] 744 |         use errno;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:20:1
[INFO] [stderr]     |
[INFO] [stderr] 20  | extern crate errno;
[INFO] [stderr]     | ------------------- the item `errno` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]    --> src/subprocess.rs:907:13
[INFO] [stderr]     |
[INFO] [stderr] 907 |         use std::mem;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:909:13
[INFO] [stderr]     |
[INFO] [stderr] 909 |         use libc;
[INFO] [stderr]     |             ^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:16:1
[INFO] [stderr]     |
[INFO] [stderr] 16  | extern crate libc;
[INFO] [stderr]     | ------------------ the item `libc` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `errno` is imported redundantly
[INFO] [stderr]    --> src/subprocess.rs:910:13
[INFO] [stderr]     |
[INFO] [stderr] 910 |         use errno;
[INFO] [stderr]     |             ^^^^^
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/lib.rs:20:1
[INFO] [stderr]     |
[INFO] [stderr] 20  | extern crate errno;
[INFO] [stderr]     | ------------------- the item `errno` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: the item `libc` is imported redundantly
[INFO] [stderr]   --> src/line_printer.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 34 |         use libc;
[INFO] [stderr]    |             ^^^^
[INFO] [stderr]    | 
[INFO] [stderr]   ::: src/lib.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | extern crate libc;
[INFO] [stderr]    | ------------------ the item `libc` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/utils.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |         libc::exit(1);
[INFO] [stderr]     |         ------------- any code following this expression is unreachable
[INFO] [stderr] 106 |     }
[INFO] [stderr] 107 |     unreachable!()
[INFO] [stderr]     |     ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/utils.rs:322:5
[INFO] [stderr]     |
[INFO] [stderr] 322 |     metric_record!("canonicalize str");
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/utils.rs:331:5
[INFO] [stderr]     |
[INFO] [stderr] 331 |     metric_record!("canonicalize path");
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/build.rs:550:9
[INFO] [stderr]     |
[INFO] [stderr] 550 |         metric_record!("StartEdge");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/build.rs:611:9
[INFO] [stderr]     |
[INFO] [stderr] 611 |         metric_record!("FinishCommand");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/lexer.rs:125:9
[INFO] [stderr]     |
[INFO] [stderr] 125 | /         lazy_static! {
[INFO] [stderr] 126 | |             static ref FAKE_FILENAME: OsString = "input".into();
[INFO] [stderr] 127 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/manifest_parser.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         metric_record!(".ninja parse");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/build.rs:845:13
[INFO] [stderr]     |
[INFO] [stderr] 844 |             return Ok(Vec::new());
[INFO] [stderr]     |             --------------------- any code following this expression is unreachable
[INFO] [stderr] 845 |             unimplemented!{}
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/manifest_parser.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 | /         lazy_static! {
[INFO] [stderr] 141 | |             static ref FAKE_FILENAME : OsString = OsString::from("input");
[INFO] [stderr] 142 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/build.rs:891:13
[INFO] [stderr]     |
[INFO] [stderr] 890 |             return Ok(Vec::new());
[INFO] [stderr]     |             --------------------- any code following this expression is unreachable
[INFO] [stderr] 891 |             unimplemented!{}
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/build.rs:894:13
[INFO] [stderr]     |
[INFO] [stderr] 894 |             unreachable!();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/utils.rs:65:13
[INFO] [stderr]     |
[INFO] [stderr] 65  |             $crate::utils::exit();
[INFO] [stderr]     |             --------------------- any code following this expression is unreachable
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/disk_interface.rs:149:9
[INFO] [stderr]     |
[INFO] [stderr] 149 |         metric_record!("node stat");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/state.rs:202:9
[INFO] [stderr]     |
[INFO] [stderr] 202 |         metric_record!("lookup node");
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/build.rs:992:9
[INFO] [stderr]     |
[INFO] [stderr] 991 |         return v;
[INFO] [stderr]     |         -------- any code following this expression is unreachable
[INFO] [stderr] 992 |         unimplemented!{}
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]     --> src/build.rs:1095:9
[INFO] [stderr]      |
[INFO] [stderr] 1094 |         return (start_time, end_time);
[INFO] [stderr]      |         ----------------------------- any code following this expression is unreachable
[INFO] [stderr] 1095 |         unimplemented!();
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]     --> src/build.rs:1108:9
[INFO] [stderr]      |
[INFO] [stderr] 1107 |         return Vec::new();
[INFO] [stderr]      |         ----------------- any code following this expression is unreachable
[INFO] [stderr] 1108 |         unimplemented!()
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/graph.rs:421:9
[INFO] [stderr]     |
[INFO] [stderr] 420 |         return Ok(false);
[INFO] [stderr]     |         ---------------- any code following this expression is unreachable
[INFO] [stderr] 421 |         unimplemented!{}
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/build_log.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |         return Ok(());
[INFO] [stderr]    |         ------------- any code following this expression is unreachable
[INFO] [stderr] 62 |         unimplemented!()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/build_log.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         return Ok(());
[INFO] [stderr]    |         ------------- any code following this expression is unreachable
[INFO] [stderr] 84 |         unimplemented!()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/build_log.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         return Ok(None);
[INFO] [stderr]    |         --------------- any code following this expression is unreachable
[INFO] [stderr] 94 |         unimplemented!{}
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/build_log.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 99  |         return None;
[INFO] [stderr]     |         ----------- any code following this expression is unreachable
[INFO] [stderr] 100 |         unimplemented!{}
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/deps_log.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         return Ok(None);
[INFO] [stderr]    |         --------------- any code following this expression is unreachable
[INFO] [stderr] 68 |         unimplemented!{}
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/deps_log.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         return Ok(());
[INFO] [stderr]    |         ------------- any code following this expression is unreachable
[INFO] [stderr] 73 |         unimplemented!()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/deps_log.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         return Ok(());
[INFO] [stderr]    |         ------------- any code following this expression is unreachable
[INFO] [stderr] 84 |         unimplemented!()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/utils.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |         libc::exit(1);
[INFO] [stderr]     |         ------------- any code following this expression is unreachable
[INFO] [stderr] 106 |     }
[INFO] [stderr] 107 |     unreachable!()
[INFO] [stderr]     |     ^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/disk_interface.rs:191:9
[INFO] [stderr]     |
[INFO] [stderr] 190 |         return;
[INFO] [stderr]     |         ------ any code following this expression is unreachable
[INFO] [stderr] 191 |         unimplemented!()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/build.rs:845:13
[INFO] [stderr]     |
[INFO] [stderr] 844 |             return Ok(Vec::new());
[INFO] [stderr]     |             --------------------- any code following this expression is unreachable
[INFO] [stderr] 845 |             unimplemented!{}
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/build.rs:891:13
[INFO] [stderr]     |
[INFO] [stderr] 890 |             return Ok(Vec::new());
[INFO] [stderr]     |             --------------------- any code following this expression is unreachable
[INFO] [stderr] 891 |             unimplemented!{}
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/build.rs:894:13
[INFO] [stderr]     |
[INFO] [stderr] 894 |             unreachable!();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     | 
[INFO] [stderr]    ::: src/utils.rs:65:13
[INFO] [stderr]     |
[INFO] [stderr] 65  |             $crate::utils::exit();
[INFO] [stderr]     |             --------------------- any code following this expression is unreachable
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/build.rs:992:9
[INFO] [stderr]     |
[INFO] [stderr] 991 |         return v;
[INFO] [stderr]     |         -------- any code following this expression is unreachable
[INFO] [stderr] 992 |         unimplemented!{}
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]     --> src/build.rs:1095:9
[INFO] [stderr]      |
[INFO] [stderr] 1094 |         return (start_time, end_time);
[INFO] [stderr]      |         ----------------------------- any code following this expression is unreachable
[INFO] [stderr] 1095 |         unimplemented!();
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]     --> src/build.rs:1108:9
[INFO] [stderr]      |
[INFO] [stderr] 1107 |         return Vec::new();
[INFO] [stderr]      |         ----------------- any code following this expression is unreachable
[INFO] [stderr] 1108 |         unimplemented!()
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/subprocess.rs:835:9
[INFO] [stderr]     |
[INFO] [stderr] 834 |         return;
[INFO] [stderr]     |         ------ any code following this expression is unreachable
[INFO] [stderr] 835 |         unimplemented!{}
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/line_printer.rs:180:13
[INFO] [stderr]     |
[INFO] [stderr] 179 |             return;
[INFO] [stderr]     |             ------ any code following this expression is unreachable
[INFO] [stderr] 180 |             unimplemented!();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/graph.rs:421:9
[INFO] [stderr]     |
[INFO] [stderr] 420 |         return Ok(false);
[INFO] [stderr]     |         ---------------- any code following this expression is unreachable
[INFO] [stderr] 421 |         unimplemented!{}
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/build_log.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |         return Ok(());
[INFO] [stderr]    |         ------------- any code following this expression is unreachable
[INFO] [stderr] 62 |         unimplemented!()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/build_log.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         return Ok(());
[INFO] [stderr]    |         ------------- any code following this expression is unreachable
[INFO] [stderr] 84 |         unimplemented!()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/build_log.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |         return Ok(None);
[INFO] [stderr]    |         --------------- any code following this expression is unreachable
[INFO] [stderr] 94 |         unimplemented!{}
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/build_log.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 99  |         return None;
[INFO] [stderr]     |         ----------- any code following this expression is unreachable
[INFO] [stderr] 100 |         unimplemented!{}
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/deps_log.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 67 |         return Ok(None);
[INFO] [stderr]    |         --------------- any code following this expression is unreachable
[INFO] [stderr] 68 |         unimplemented!{}
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/deps_log.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         return Ok(());
[INFO] [stderr]    |         ------------- any code following this expression is unreachable
[INFO] [stderr] 73 |         unimplemented!()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/deps_log.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         return Ok(());
[INFO] [stderr]    |         ------------- any code following this expression is unreachable
[INFO] [stderr] 84 |         unimplemented!()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]   --> src/eval_env.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use std::io::Write;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scan`
[INFO] [stderr]    --> src/build.rs:268:9
[INFO] [stderr]     |
[INFO] [stderr] 268 |         scan: &DependencyScan,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_scan`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `State`
[INFO] [stderr]    --> src/build.rs:269:9
[INFO] [stderr]     |
[INFO] [stderr] 269 |         State: &State,
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_State`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node_idx`
[INFO] [stderr]    --> src/build.rs:270:9
[INFO] [stderr]     |
[INFO] [stderr] 270 |         node_idx: NodeIndex,
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/build.rs:744:27
[INFO] [stderr]     |
[INFO] [stderr] 744 |                 .map_err(|e| {
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/build.rs:763:27
[INFO] [stderr]     |
[INFO] [stderr] 763 |                 .map_err(|e| format!("Error writing to deps log: {}", errno::errno()))?;
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/build.rs:824:9
[INFO] [stderr]     |
[INFO] [stderr] 824 |         result: &mut CommandRunnerResult,
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `deps_prefix`
[INFO] [stderr]    --> src/build.rs:826:9
[INFO] [stderr]     |
[INFO] [stderr] 826 |         deps_prefix: &[u8],
[INFO] [stderr]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deps_prefix`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `success`
[INFO] [stderr]     --> src/build.rs:1028:9
[INFO] [stderr]      |
[INFO] [stderr] 1028 |         success: bool,
[INFO] [stderr]      |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]     --> src/build.rs:1029:9
[INFO] [stderr]      |
[INFO] [stderr] 1029 |         output: &[u8],
[INFO] [stderr]      |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `progress_status_format`
[INFO] [stderr]     --> src/build.rs:1104:9
[INFO] [stderr]      |
[INFO] [stderr] 1104 |         progress_status_format: &[u8],
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_progress_status_format`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `status`
[INFO] [stderr]     --> src/build.rs:1105:9
[INFO] [stderr]      |
[INFO] [stderr] 1105 |         status: BuildStatusEdgeStatus,
[INFO] [stderr]      |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/graph.rs:410:9
[INFO] [stderr]     |
[INFO] [stderr] 410 |         state: &State,
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `edge_idx`
[INFO] [stderr]    --> src/graph.rs:411:9
[INFO] [stderr]     |
[INFO] [stderr] 411 |         edge_idx: EdgeIndex,
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_edge_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/graph.rs:412:9
[INFO] [stderr]     |
[INFO] [stderr] 412 |         path: &[u8],
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/graph.rs:419:38
[INFO] [stderr]     |
[INFO] [stderr] 419 |     pub fn load_deps_from_log(&self, state: &State, edge_idx: EdgeIndex) -> Result<bool, String> {
[INFO] [stderr]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `edge_idx`
[INFO] [stderr]    --> src/graph.rs:419:53
[INFO] [stderr]     |
[INFO] [stderr] 419 |     pub fn load_deps_from_log(&self, state: &State, edge_idx: EdgeIndex) -> Result<bool, String> {
[INFO] [stderr]     |                                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_edge_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `found_entry`
[INFO] [stderr]    --> src/graph.rs:805:25
[INFO] [stderr]     |
[INFO] [stderr] 805 |             if let Some(found_entry) = entry {
[INFO] [stderr]     |                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_found_entry`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command`
[INFO] [stderr]    --> src/graph.rs:730:9
[INFO] [stderr]     |
[INFO] [stderr] 730 |         command: &[u8],
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/build_log.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         path: &Path,
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `user`
[INFO] [stderr]   --> src/build_log.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         user: &User,
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_user`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]   --> src/build_log.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         state: &State,
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `edge_idx`
[INFO] [stderr]   --> src/build_log.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |         edge_idx: EdgeIndex,
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_edge_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_time`
[INFO] [stderr]   --> src/build_log.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         start_time: u64,
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `end_time`
[INFO] [stderr]   --> src/build_log.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         end_time: u64,
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_end_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mtime`
[INFO] [stderr]   --> src/build_log.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |         mtime: TimeStamp,
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_mtime`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/build_log.rs:92:28
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn load(&mut self, path: &Path) -> Result<Option<String>, String> {
[INFO] [stderr]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/build_log.rs:98:36
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn lookup_by_output(&self, path: &[u8]) -> Option<&BuildLogEntry> {
[INFO] [stderr]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/build_log.rs:104:41
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn write_entry<W: Write>(&self, f: &W, entry: &BuildLogEntry) -> Result<(), ()> {
[INFO] [stderr]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entry`
[INFO] [stderr]    --> src/build_log.rs:104:48
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn write_entry<W: Write>(&self, f: &W, entry: &BuildLogEntry) -> Result<(), ()> {
[INFO] [stderr]     |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/build_log.rs:109:49
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn recompact<User: BuildLogUser>(&self, path: &Path, user: &User) -> Result<(), String> {
[INFO] [stderr]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `user`
[INFO] [stderr]    --> src/build_log.rs:109:62
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn recompact<User: BuildLogUser>(&self, path: &Path, user: &User) -> Result<(), String> {
[INFO] [stderr]     |                                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_user`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]    --> src/build_log.rs:128:28
[INFO] [stderr]     |
[INFO] [stderr] 128 |     pub fn new_with_output(output: &str) -> Self {
[INFO] [stderr]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]    --> src/build_log.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |         output: &str,
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command_hash`
[INFO] [stderr]    --> src/build_log.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         command_hash: u64,
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_hash`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_time`
[INFO] [stderr]    --> src/build_log.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |         start_time: isize,
[INFO] [stderr]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `end_time`
[INFO] [stderr]    --> src/build_log.rs:136:9
[INFO] [stderr]     |
[INFO] [stderr] 136 |         end_time: isize,
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_end_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `restat_mtime`
[INFO] [stderr]    --> src/build_log.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         restat_mtime: TimeStamp,
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_restat_mtime`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command`
[INFO] [stderr]    --> src/build_log.rs:142:25
[INFO] [stderr]     |
[INFO] [stderr] 142 |     pub fn hash_command(command: &str) -> u64 {
[INFO] [stderr]     |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/deps_log.rs:66:28
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn load(&mut self, path: &Path, state: &mut State) -> Result<Option<String>, String> {
[INFO] [stderr]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]   --> src/deps_log.rs:66:41
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn load(&mut self, path: &Path, state: &mut State) -> Result<Option<String>, String> {
[INFO] [stderr]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/deps_log.rs:71:34
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn open_for_write(&self, path: &Path) -> Result<(), String> {
[INFO] [stderr]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]   --> src/deps_log.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |         state: &State,
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node_idx`
[INFO] [stderr]   --> src/deps_log.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         node_idx: NodeIndex,
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mtime`
[INFO] [stderr]   --> src/deps_log.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         mtime: TimeStamp,
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_mtime`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nodes`
[INFO] [stderr]   --> src/deps_log.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |         nodes: &[NodeIndex],
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_nodes`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/deps_log.rs:87:29
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn recompact(&self, path: &Path) -> Result<(), String> {
[INFO] [stderr]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/disk_interface.rs:172:26
[INFO] [stderr]     |
[INFO] [stderr] 172 |     fn write_file(&self, path: &Path, contents: &[u8]) -> Result<(), ()> {
[INFO] [stderr]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `contents`
[INFO] [stderr]    --> src/disk_interface.rs:172:39
[INFO] [stderr]     |
[INFO] [stderr] 172 |     fn write_file(&self, path: &Path, contents: &[u8]) -> Result<(), ()> {
[INFO] [stderr]     |                                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `allow`
[INFO] [stderr]    --> src/disk_interface.rs:189:36
[INFO] [stderr]     |
[INFO] [stderr] 189 |     pub fn allow_stat_cache(&self, allow: bool) {
[INFO] [stderr]     |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_allow`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/state.rs:385:35
[INFO] [stderr]     |
[INFO] [stderr] 385 |     pub fn spellcheck_node(&self, path: &[u8]) -> Option<&[u8]> {
[INFO] [stderr]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/disk_interface.rs:191:9
[INFO] [stderr]     |
[INFO] [stderr] 190 |         return;
[INFO] [stderr]     |         ------ any code following this expression is unreachable
[INFO] [stderr] 191 |         unimplemented!()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/subprocess.rs:835:9
[INFO] [stderr]     |
[INFO] [stderr] 834 |         return;
[INFO] [stderr]     |         ------ any code following this expression is unreachable
[INFO] [stderr] 835 |         unimplemented!{}
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/line_printer.rs:180:13
[INFO] [stderr]     |
[INFO] [stderr] 179 |             return;
[INFO] [stderr]     |             ------ any code following this expression is unreachable
[INFO] [stderr] 180 |             unimplemented!();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]   --> src/eval_env.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 | use std::io::Write;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/test.rs:190:24
[INFO] [stderr]     |
[INFO] [stderr] 190 |     fn make_dir(&self, path: &Path) -> Result<(), io::Error> {
[INFO] [stderr]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/test.rs:193:25
[INFO] [stderr]     |
[INFO] [stderr] 193 |     fn make_dirs(&self, path: &Path) -> Result<(), io::Error> {
[INFO] [stderr]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/test.rs:196:20
[INFO] [stderr]     |
[INFO] [stderr] 196 |     fn stat(&self, path: &Path) -> Result<TimeStamp, String> {
[INFO] [stderr]     |                    ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/test.rs:199:26
[INFO] [stderr]     |
[INFO] [stderr] 199 |     fn write_file(&self, path: &Path, contents: &[u8]) -> Result<(), ()> {
[INFO] [stderr]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `contents`
[INFO] [stderr]    --> src/test.rs:199:39
[INFO] [stderr]     |
[INFO] [stderr] 199 |     fn write_file(&self, path: &Path, contents: &[u8]) -> Result<(), ()> {
[INFO] [stderr]     |                                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/test.rs:202:27
[INFO] [stderr]     |
[INFO] [stderr] 202 |     fn remove_file(&self, path: &Path) -> Result<bool, io::Error> {
[INFO] [stderr]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scan`
[INFO] [stderr]    --> src/build.rs:268:9
[INFO] [stderr]     |
[INFO] [stderr] 268 |         scan: &DependencyScan,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_scan`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `State`
[INFO] [stderr]    --> src/build.rs:269:9
[INFO] [stderr]     |
[INFO] [stderr] 269 |         State: &State,
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_State`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node_idx`
[INFO] [stderr]    --> src/build.rs:270:9
[INFO] [stderr]     |
[INFO] [stderr] 270 |         node_idx: NodeIndex,
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/build.rs:744:27
[INFO] [stderr]     |
[INFO] [stderr] 744 |                 .map_err(|e| {
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/build.rs:763:27
[INFO] [stderr]     |
[INFO] [stderr] 763 |                 .map_err(|e| format!("Error writing to deps log: {}", errno::errno()))?;
[INFO] [stderr]     |                           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/build.rs:824:9
[INFO] [stderr]     |
[INFO] [stderr] 824 |         result: &mut CommandRunnerResult,
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `deps_prefix`
[INFO] [stderr]    --> src/build.rs:826:9
[INFO] [stderr]     |
[INFO] [stderr] 826 |         deps_prefix: &[u8],
[INFO] [stderr]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_deps_prefix`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `success`
[INFO] [stderr]     --> src/build.rs:1028:9
[INFO] [stderr]      |
[INFO] [stderr] 1028 |         success: bool,
[INFO] [stderr]      |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_success`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]     --> src/build.rs:1029:9
[INFO] [stderr]      |
[INFO] [stderr] 1029 |         output: &[u8],
[INFO] [stderr]      |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `progress_status_format`
[INFO] [stderr]     --> src/build.rs:1104:9
[INFO] [stderr]      |
[INFO] [stderr] 1104 |         progress_status_format: &[u8],
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_progress_status_format`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `status`
[INFO] [stderr]     --> src/build.rs:1105:9
[INFO] [stderr]      |
[INFO] [stderr] 1105 |         status: BuildStatusEdgeStatus,
[INFO] [stderr]      |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_status`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]     --> src/build.rs:2148:19
[INFO] [stderr]      |
[INFO] [stderr] 2148 |             .map(|i| {
[INFO] [stderr]      |                   ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/graph.rs:410:9
[INFO] [stderr]     |
[INFO] [stderr] 410 |         state: &State,
[INFO] [stderr]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `edge_idx`
[INFO] [stderr]    --> src/graph.rs:411:9
[INFO] [stderr]     |
[INFO] [stderr] 411 |         edge_idx: EdgeIndex,
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_edge_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/graph.rs:412:9
[INFO] [stderr]     |
[INFO] [stderr] 412 |         path: &[u8],
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]    --> src/graph.rs:419:38
[INFO] [stderr]     |
[INFO] [stderr] 419 |     pub fn load_deps_from_log(&self, state: &State, edge_idx: EdgeIndex) -> Result<bool, String> {
[INFO] [stderr]     |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `edge_idx`
[INFO] [stderr]    --> src/graph.rs:419:53
[INFO] [stderr]     |
[INFO] [stderr] 419 |     pub fn load_deps_from_log(&self, state: &State, edge_idx: EdgeIndex) -> Result<bool, String> {
[INFO] [stderr]     |                                                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_edge_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `found_entry`
[INFO] [stderr]    --> src/graph.rs:805:25
[INFO] [stderr]     |
[INFO] [stderr] 805 |             if let Some(found_entry) = entry {
[INFO] [stderr]     |                         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_found_entry`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command`
[INFO] [stderr]    --> src/graph.rs:730:9
[INFO] [stderr]     |
[INFO] [stderr] 730 |         command: &[u8],
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/build_log.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         path: &Path,
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `user`
[INFO] [stderr]   --> src/build_log.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         user: &User,
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_user`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]   --> src/build_log.rs:77:9
[INFO] [stderr]    |
[INFO] [stderr] 77 |         state: &State,
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `edge_idx`
[INFO] [stderr]   --> src/build_log.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |         edge_idx: EdgeIndex,
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_edge_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_time`
[INFO] [stderr]   --> src/build_log.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         start_time: u64,
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `end_time`
[INFO] [stderr]   --> src/build_log.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         end_time: u64,
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_end_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mtime`
[INFO] [stderr]   --> src/build_log.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |         mtime: TimeStamp,
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_mtime`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/build_log.rs:92:28
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub fn load(&mut self, path: &Path) -> Result<Option<String>, String> {
[INFO] [stderr]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/build_log.rs:98:36
[INFO] [stderr]    |
[INFO] [stderr] 98 |     pub fn lookup_by_output(&self, path: &[u8]) -> Option<&BuildLogEntry> {
[INFO] [stderr]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/build_log.rs:104:41
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn write_entry<W: Write>(&self, f: &W, entry: &BuildLogEntry) -> Result<(), ()> {
[INFO] [stderr]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entry`
[INFO] [stderr]    --> src/build_log.rs:104:48
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn write_entry<W: Write>(&self, f: &W, entry: &BuildLogEntry) -> Result<(), ()> {
[INFO] [stderr]     |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/build_log.rs:109:49
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn recompact<User: BuildLogUser>(&self, path: &Path, user: &User) -> Result<(), String> {
[INFO] [stderr]     |                                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `user`
[INFO] [stderr]    --> src/build_log.rs:109:62
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn recompact<User: BuildLogUser>(&self, path: &Path, user: &User) -> Result<(), String> {
[INFO] [stderr]     |                                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_user`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]    --> src/build_log.rs:128:28
[INFO] [stderr]     |
[INFO] [stderr] 128 |     pub fn new_with_output(output: &str) -> Self {
[INFO] [stderr]     |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]    --> src/build_log.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |         output: &str,
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command_hash`
[INFO] [stderr]    --> src/build_log.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         command_hash: u64,
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command_hash`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start_time`
[INFO] [stderr]    --> src/build_log.rs:135:9
[INFO] [stderr]     |
[INFO] [stderr] 135 |         start_time: isize,
[INFO] [stderr]     |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `end_time`
[INFO] [stderr]    --> src/build_log.rs:136:9
[INFO] [stderr]     |
[INFO] [stderr] 136 |         end_time: isize,
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_end_time`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `restat_mtime`
[INFO] [stderr]    --> src/build_log.rs:137:9
[INFO] [stderr]     |
[INFO] [stderr] 137 |         restat_mtime: TimeStamp,
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_restat_mtime`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `command`
[INFO] [stderr]    --> src/build_log.rs:142:25
[INFO] [stderr]     |
[INFO] [stderr] 142 |     pub fn hash_command(command: &str) -> u64 {
[INFO] [stderr]     |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_command`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/deps_log.rs:66:28
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn load(&mut self, path: &Path, state: &mut State) -> Result<Option<String>, String> {
[INFO] [stderr]    |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]   --> src/deps_log.rs:66:41
[INFO] [stderr]    |
[INFO] [stderr] 66 |     pub fn load(&mut self, path: &Path, state: &mut State) -> Result<Option<String>, String> {
[INFO] [stderr]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/deps_log.rs:71:34
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn open_for_write(&self, path: &Path) -> Result<(), String> {
[INFO] [stderr]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `state`
[INFO] [stderr]   --> src/deps_log.rs:78:9
[INFO] [stderr]    |
[INFO] [stderr] 78 |         state: &State,
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node_idx`
[INFO] [stderr]   --> src/deps_log.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         node_idx: NodeIndex,
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_node_idx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mtime`
[INFO] [stderr]   --> src/deps_log.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |         mtime: TimeStamp,
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_mtime`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nodes`
[INFO] [stderr]   --> src/deps_log.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |         nodes: &[NodeIndex],
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_nodes`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/deps_log.rs:87:29
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn recompact(&self, path: &Path) -> Result<(), String> {
[INFO] [stderr]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/disk_interface.rs:172:26
[INFO] [stderr]     |
[INFO] [stderr] 172 |     fn write_file(&self, path: &Path, contents: &[u8]) -> Result<(), ()> {
[INFO] [stderr]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `contents`
[INFO] [stderr]    --> src/disk_interface.rs:172:39
[INFO] [stderr]     |
[INFO] [stderr] 172 |     fn write_file(&self, path: &Path, contents: &[u8]) -> Result<(), ()> {
[INFO] [stderr]     |                                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_contents`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `allow`
[INFO] [stderr]    --> src/disk_interface.rs:189:36
[INFO] [stderr]     |
[INFO] [stderr] 189 |     pub fn allow_stat_cache(&self, allow: bool) {
[INFO] [stderr]     |                                    ^^^^^ help: if this is intentional, prefix it with an underscore: `_allow`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]    --> src/state.rs:385:35
[INFO] [stderr]     |
[INFO] [stderr] 385 |     pub fn spellcheck_node(&self, path: &[u8]) -> Option<&[u8]> {
[INFO] [stderr]     |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reset`
[INFO] [stderr]    --> src/build.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     fn reset(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EdgeFinished`
[INFO] [stderr]    --> src/build.rs:947:5
[INFO] [stderr]     |
[INFO] [stderr] 947 |     EdgeFinished,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `rate`
[INFO] [stderr]     --> src/build.rs:1163:5
[INFO] [stderr]      |
[INFO] [stderr] 1163 |     rate: f64,
[INFO] [stderr]      |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `rate`
[INFO] [stderr]     --> src/build.rs:1201:5
[INFO] [stderr]      |
[INFO] [stderr] 1201 |     rate: f64,
[INFO] [stderr]      |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `max_len`
[INFO] [stderr]     --> src/build.rs:1203:5
[INFO] [stderr]      |
[INFO] [stderr] 1203 |     max_len: usize,
[INFO] [stderr]      |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `times`
[INFO] [stderr]     --> src/build.rs:1204:5
[INFO] [stderr]      |
[INFO] [stderr] 1204 |     times: VecDeque<f64>,
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `last_update`
[INFO] [stderr]     --> src/build.rs:1205:5
[INFO] [stderr]      |
[INFO] [stderr] 1205 |     last_update: isize,
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `disk_interface`
[INFO] [stderr]    --> src/graph.rs:371:5
[INFO] [stderr]     |
[INFO] [stderr] 371 |     disk_interface: &'c DiskInterface,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `deps_log`
[INFO] [stderr]    --> src/graph.rs:465:5
[INFO] [stderr]     |
[INFO] [stderr] 465 |     deps_log: &'b DepsLog,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `needs_recompaction`
[INFO] [stderr]   --> src/build_log.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     needs_recompaction: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `none`
[INFO] [stderr]   --> src/timestamp.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn none() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `invalid`
[INFO] [stderr]   --> src/timestamp.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn invalid() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]   --> src/metrics.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     name: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `extra`
[INFO] [stderr]   --> src/line_printer.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     extra: LinePrinterOs,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `State` should have a snake case name
[INFO] [stderr]    --> src/build.rs:269:9
[INFO] [stderr]     |
[INFO] [stderr] 269 |         State: &State,
[INFO] [stderr]     |         ^^^^^ help: convert the identifier to snake case (notice the capitalization): `state`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/state.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         self.depth >= 0
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/bin/ninja.rs:568:5
[INFO] [stderr]     |
[INFO] [stderr] 568 | /     lazy_static! {
[INFO] [stderr] 569 | |         static ref GUESSED_PARALLELISM : usize = guess_parallelism();
[INFO] [stderr] 570 | |         static ref DEFAULT_PARALLELISM : String = GUESSED_PARALLELISM.to_string();
[INFO] [stderr] 571 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/bin/ninja.rs:568:5
[INFO] [stderr]     |
[INFO] [stderr] 568 | /     lazy_static! {
[INFO] [stderr] 569 | |         static ref GUESSED_PARALLELISM : usize = guess_parallelism();
[INFO] [stderr] 570 | |         static ref DEFAULT_PARALLELISM : String = GUESSED_PARALLELISM.to_string();
[INFO] [stderr] 571 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/bin/ninja.rs:568:5
[INFO] [stderr]     |
[INFO] [stderr] 568 | /     lazy_static! {
[INFO] [stderr] 569 | |         static ref GUESSED_PARALLELISM : usize = guess_parallelism();
[INFO] [stderr] 570 | |         static ref DEFAULT_PARALLELISM : String = GUESSED_PARALLELISM.to_string();
[INFO] [stderr] 571 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]    --> src/bin/ninja.rs:568:5
[INFO] [stderr]     |
[INFO] [stderr] 568 | /     lazy_static! {
[INFO] [stderr] 569 | |         static ref GUESSED_PARALLELISM : usize = guess_parallelism();
[INFO] [stderr] 570 | |         static ref DEFAULT_PARALLELISM : String = GUESSED_PARALLELISM.to_string();
[INFO] [stderr] 571 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `directories_made`
[INFO] [stderr]    --> src/test.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     directories_made: Vec<PathBuf>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `files_removed`
[INFO] [stderr]    --> src/test.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     files_removed: HashSet<PathBuf>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `mtime`
[INFO] [stderr]    --> src/test.rs:141:5
[INFO] [stderr]     |
[INFO] [stderr] 141 |     mtime: isize,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `stat_error`
[INFO] [stderr]    --> src/test.rs:142:5
[INFO] [stderr]     |
[INFO] [stderr] 142 |     stat_error: String, // If mtime is -1.
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `reset`
[INFO] [stderr]    --> src/build.rs:143:5
[INFO] [stderr]     |
[INFO] [stderr] 143 |     fn reset(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EdgeFinished`
[INFO] [stderr]    --> src/build.rs:947:5
[INFO] [stderr]     |
[INFO] [stderr] 947 |     EdgeFinished,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `rate`
[INFO] [stderr]     --> src/build.rs:1163:5
[INFO] [stderr]      |
[INFO] [stderr] 1163 |     rate: f64,
[INFO] [stderr]      |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `rate`
[INFO] [stderr]     --> src/build.rs:1201:5
[INFO] [stderr]      |
[INFO] [stderr] 1201 |     rate: f64,
[INFO] [stderr]      |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `max_len`
[INFO] [stderr]     --> src/build.rs:1203:5
[INFO] [stderr]      |
[INFO] [stderr] 1203 |     max_len: usize,
[INFO] [stderr]      |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `times`
[INFO] [stderr]     --> src/build.rs:1204:5
[INFO] [stderr]      |
[INFO] [stderr] 1204 |     times: VecDeque<f64>,
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `last_update`
[INFO] [stderr]     --> src/build.rs:1205:5
[INFO] [stderr]      |
[INFO] [stderr] 1205 |     last_update: isize,
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `disk_interface`
[INFO] [stderr]    --> src/graph.rs:371:5
[INFO] [stderr]     |
[INFO] [stderr] 371 |     disk_interface: &'c DiskInterface,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `deps_log`
[INFO] [stderr]    --> src/graph.rs:465:5
[INFO] [stderr]     |
[INFO] [stderr] 465 |     deps_log: &'b DepsLog,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `needs_recompaction`
[INFO] [stderr]   --> src/build_log.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     needs_recompaction: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `none`
[INFO] [stderr]   --> src/timestamp.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn none() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `invalid`
[INFO] [stderr]   --> src/timestamp.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn invalid() -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]   --> src/metrics.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     name: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `extra`
[INFO] [stderr]   --> src/line_printer.rs:99:5
[INFO] [stderr]    |
[INFO] [stderr] 99 |     extra: LinePrinterOs,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/bin/ninja.rs:460:17
[INFO] [stderr]     |
[INFO] [stderr] 460 | fn debug_enable(name: &str) -> Result<(), isize> {
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/bin/ninja.rs:464:19
[INFO] [stderr]     |
[INFO] [stderr] 464 | fn warning_enable(name: &str) -> Result<(), isize> {
[INFO] [stderr]     |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `subcommand`
[INFO] [stderr]    --> src/bin/ninja.rs:468:16
[INFO] [stderr]     |
[INFO] [stderr] 468 | fn choose_tool(subcommand: &[&str]) -> Result<Tool<'static>, isize> {
[INFO] [stderr]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subcommand`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/bin/ninja.rs:702:84
[INFO] [stderr]     |
[INFO] [stderr] 702 |         let load_average_limit = load_average_limit.parse::<f64>().unwrap_or_else(|e| {
[INFO] [stderr]     |                                                                                    ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/bin/ninja.rs:397:28
[INFO] [stderr]     |
[INFO] [stderr] 397 |     fn is_path_dead(&self, s: &str) -> bool {
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/bin/ninja.rs:460:17
[INFO] [stderr]     |
[INFO] [stderr] 460 | fn debug_enable(name: &str) -> Result<(), isize> {
[INFO] [stderr]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/bin/ninja.rs:464:19
[INFO] [stderr]     |
[INFO] [stderr] 464 | fn warning_enable(name: &str) -> Result<(), isize> {
[INFO] [stderr]     |                   ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `subcommand`
[INFO] [stderr]    --> src/bin/ninja.rs:468:16
[INFO] [stderr]     |
[INFO] [stderr] 468 | fn choose_tool(subcommand: &[&str]) -> Result<Tool<'static>, isize> {
[INFO] [stderr]     |                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subcommand`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/bin/ninja.rs:702:84
[INFO] [stderr]     |
[INFO] [stderr] 702 |         let load_average_limit = load_average_limit.parse::<f64>().unwrap_or_else(|e| {
[INFO] [stderr]     |                                                                                    ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]     --> src/manifest_parser.rs:2046:29
[INFO] [stderr]      |
[INFO] [stderr] 2046 |         for input in inputs.into_iter() {
[INFO] [stderr]      |                             ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]      = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]      = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/bin/ninja.rs:397:28
[INFO] [stderr]     |
[INFO] [stderr] 397 |     fn is_path_dead(&self, s: &str) -> bool {
[INFO] [stderr]     |                            ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `State` should have a snake case name
[INFO] [stderr]    --> src/build.rs:269:9
[INFO] [stderr]     |
[INFO] [stderr] 269 |         State: &State,
[INFO] [stderr]     |         ^^^^^ help: convert the identifier to snake case (notice the capitalization): `state`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: comparison is useless due to type limits
[INFO] [stderr]   --> src/state.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         self.depth >= 0
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]   --> src/bin/ninja.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     name: &'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `desc`
[INFO] [stderr]   --> src/bin/ninja.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     desc: &'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ninja_command`
[INFO] [stderr]   --> src/bin/ninja.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     ninja_command: &'a Path,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]   --> src/bin/ninja.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     name: &'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `desc`
[INFO] [stderr]   --> src/bin/ninja.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     desc: &'a str,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `ninja_command`
[INFO] [stderr]   --> src/bin/ninja.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     ninja_command: &'a Path,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.15s
[INFO] running `"docker" "inspect" "a14b29fba83429222d910d4da122c905a12c91c6728e402749f17efeae6fc771"`
[INFO] running `"docker" "rm" "-f" "a14b29fba83429222d910d4da122c905a12c91c6728e402749f17efeae6fc771"`
[INFO] [stdout] a14b29fba83429222d910d4da122c905a12c91c6728e402749f17efeae6fc771
