[INFO] fetching crate ninja-build 0.0.1...
[INFO] extracting crate ninja-build 0.0.1 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/ninja-build/0.0.1
[INFO] extracting crate ninja-build 0.0.1 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/ninja-build/0.0.1
[INFO] validating manifest of ninja-build-0.0.1 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ninja-build-0.0.1 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ninja-build-0.0.1
[INFO] finished frobbing ninja-build-0.0.1
[INFO] frobbed toml for ninja-build-0.0.1 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/ninja-build/0.0.1/Cargo.toml
[INFO] started frobbing ninja-build-0.0.1
[INFO] finished frobbing ninja-build-0.0.1
[INFO] frobbed toml for ninja-build-0.0.1 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/ninja-build/0.0.1/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wstr v0.2.0
[INFO] [stderr]   Downloaded murmurhash64 v0.3.1
[INFO] [stderr]   Downloaded libc-spawn v0.0.1
[INFO] [stderr]   Downloaded libc-stdhandle v0.1.0
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ninja-build-0.0.1 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/ninja-build/0.0.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2e5114225dd043aaa6f39d3a80645fe842ef08bf498703eccb74f7a32a384347
[INFO] running `"docker" "start" "-a" "2e5114225dd043aaa6f39d3a80645fe842ef08bf498703eccb74f7a32a384347"`
[INFO] [stderr]    Compiling libc-stdhandle v0.1.0
[INFO] [stderr]    Compiling libc-spawn v0.0.1
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking murmurhash64 v0.3.1
[INFO] [stderr]     Checking ninja-build v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::nom::branch::alt_complete macros>:22:38
[INFO] [stderr]    |
[INFO] [stderr] 16 | $ ( $ rest : tt ) + ) => (
[INFO] [stderr]    |                   - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 22 | let out = alt_complete ! ( $ i , $ ( $ rest ) * ) ; if let (
[INFO] [stderr]    |                                      ^^^^^^   - conflicting repetition
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::nom::sequence::delimited macros>:6:59
[INFO] [stderr]   |
[INFO] [stderr] 2 | $ i : expr , $ submac : ident ! ( $ ( $ args : tt ) * ) , $ ( $ rest : tt ) +
[INFO] [stderr]   |                                                                             - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 6 | $ i , 0usize , (  ) , $ submac ! ( $ ( $ args ) * ) , $ ( $ rest ) * ) {
[INFO] [stderr]   |                                                           ^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::nom::sequence::delimited macros>:12:42
[INFO] [stderr]    |
[INFO] [stderr] 11 | $ i : expr , $ f : expr , $ ( $ rest : tt ) + ) => (
[INFO] [stderr]    |                                             - expected repetition
[INFO] [stderr] 12 | delimited ! ( $ i , call ! ( $ f ) , $ ( $ rest ) * ) ; ) ;
[INFO] [stderr]    |                                          ^^^^^^   - conflicting repetition
[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: 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 imports: `Ordering`, `PartialOrd`
[INFO] [stderr]   --> src/state.rs:19:16
[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] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::nom::branch::alt_complete macros>:22:38
[INFO] [stderr]    |
[INFO] [stderr] 16 | $ ( $ rest : tt ) + ) => (
[INFO] [stderr]    |                   - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 22 | let out = alt_complete ! ( $ i , $ ( $ rest ) * ) ; if let (
[INFO] [stderr]    |                                      ^^^^^^   - conflicting repetition
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::nom::sequence::delimited macros>:6:59
[INFO] [stderr]   |
[INFO] [stderr] 2 | $ i : expr , $ submac : ident ! ( $ ( $ args : tt ) * ) , $ ( $ rest : tt ) +
[INFO] [stderr]   |                                                                             - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 6 | $ i , 0usize , (  ) , $ submac ! ( $ ( $ args ) * ) , $ ( $ rest ) * ) {
[INFO] [stderr]   |                                                           ^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::nom::sequence::delimited macros>:12:42
[INFO] [stderr]    |
[INFO] [stderr] 11 | $ i : expr , $ f : expr , $ ( $ rest : tt ) + ) => (
[INFO] [stderr]    |                                             - expected repetition
[INFO] [stderr] 12 | delimited ! ( $ i , call ! ( $ f ) , $ ( $ rest ) * ) ; ) ;
[INFO] [stderr]    |                                          ^^^^^^   - conflicting repetition
[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 imports: `Ordering`, `PartialOrd`
[INFO] [stderr]   --> src/state.rs:19:16
[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] 107 |     unreachable!()
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/build.rs:845:13
[INFO] [stderr]     |
[INFO] [stderr] 845 |             unimplemented!{}
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/build.rs:891:13
[INFO] [stderr]     |
[INFO] [stderr] 891 |             unimplemented!{}
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-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]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/build.rs:992:9
[INFO] [stderr]     |
[INFO] [stderr] 992 |         unimplemented!{}
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]     --> src/build.rs:1095:9
[INFO] [stderr]      |
[INFO] [stderr] 1095 |         unimplemented!();
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]     --> src/build.rs:1108:9
[INFO] [stderr]      |
[INFO] [stderr] 1108 |         unimplemented!()
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/graph.rs:421:9
[INFO] [stderr]     |
[INFO] [stderr] 421 |         unimplemented!{}
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/utils.rs:107:5
[INFO] [stderr]     |
[INFO] [stderr] 107 |     unreachable!()
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/build_log.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         unimplemented!()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/build_log.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         unimplemented!()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/build_log.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         unimplemented!{}
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/build_log.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |         unimplemented!{}
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/deps_log.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |         unimplemented!{}
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/deps_log.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         unimplemented!()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/deps_log.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         unimplemented!()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/build.rs:845:13
[INFO] [stderr]     |
[INFO] [stderr] 845 |             unimplemented!{}
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/build.rs:891:13
[INFO] [stderr]     |
[INFO] [stderr] 891 |             unimplemented!{}
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-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]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/build.rs:992:9
[INFO] [stderr]     |
[INFO] [stderr] 992 |         unimplemented!{}
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]     --> src/build.rs:1095:9
[INFO] [stderr]      |
[INFO] [stderr] 1095 |         unimplemented!();
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]     --> src/build.rs:1108:9
[INFO] [stderr]      |
[INFO] [stderr] 1108 |         unimplemented!()
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/disk_interface.rs:191:9
[INFO] [stderr]     |
[INFO] [stderr] 191 |         unimplemented!()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/graph.rs:421:9
[INFO] [stderr]     |
[INFO] [stderr] 421 |         unimplemented!{}
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/subprocess.rs:835:9
[INFO] [stderr]     |
[INFO] [stderr] 835 |         unimplemented!{}
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/line_printer.rs:180:13
[INFO] [stderr]     |
[INFO] [stderr] 180 |             unimplemented!();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/build_log.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |         unimplemented!()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/build_log.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         unimplemented!()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/build_log.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         unimplemented!{}
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/build_log.rs:100:9
[INFO] [stderr]     |
[INFO] [stderr] 100 |         unimplemented!{}
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/deps_log.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |         unimplemented!{}
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/deps_log.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         unimplemented!()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/deps_log.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         unimplemented!()
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-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] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `ninja-build`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/disk_interface.rs:191:9
[INFO] [stderr]     |
[INFO] [stderr] 191 |         unimplemented!()
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/subprocess.rs:835:9
[INFO] [stderr]     |
[INFO] [stderr] 835 |         unimplemented!{}
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/line_printer.rs:180:13
[INFO] [stderr]     |
[INFO] [stderr] 180 |             unimplemented!();
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-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] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `ninja-build`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2e5114225dd043aaa6f39d3a80645fe842ef08bf498703eccb74f7a32a384347"`
[INFO] running `"docker" "rm" "-f" "2e5114225dd043aaa6f39d3a80645fe842ef08bf498703eccb74f7a32a384347"`
[INFO] [stdout] 2e5114225dd043aaa6f39d3a80645fe842ef08bf498703eccb74f7a32a384347