[INFO] crate ninja-build 0.0.1 is already in cache
[INFO] extracting crate ninja-build 0.0.1 into work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/ninja-build/0.0.1
[INFO] extracting crate ninja-build 0.0.1 into work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/ninja-build/0.0.1
[INFO] validating manifest of ninja-build-0.0.1 on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ninja-build-0.0.1 on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-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-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/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-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/reg/ninja-build/0.0.1/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ninja-build-0.0.1 against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-5/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/reg/ninja-build/0.0.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d536174dfed028c426b51a7484465e49e3b332aa027355e44ec41a26692cd23e
[INFO] running `"docker" "start" "-a" "d536174dfed028c426b51a7484465e49e3b332aa027355e44ec41a26692cd23e"`
[INFO] [stderr]    Compiling libc-spawn v0.0.1
[INFO] [stderr]    Compiling libc-stdhandle v0.1.0
[INFO] [stderr]     Checking murmurhash64 v0.3.1
[INFO] [stderr]     Checking ninja-build v0.0.1 (/opt/crater/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: 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: 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: 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: `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: 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: 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: 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: 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: 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: 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] 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/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/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/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_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/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: 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] 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing with an underscore: `_path`
[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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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 used: `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 used: `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 used: `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 used: `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 used: `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 used: `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 used: `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 used: `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 used: `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 used: `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: `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 used: `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 used: `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 used: `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 used: `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 used: `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 used: `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 used: `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 used: `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 used: `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 used: `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 used: `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 used: `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 used: `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 used: `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: `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: 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing 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: consider prefixing with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `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 used: `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 used: `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 used: `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 used: `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 used: `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 5.60s
[INFO] running `"docker" "inspect" "d536174dfed028c426b51a7484465e49e3b332aa027355e44ec41a26692cd23e"`
[INFO] running `"docker" "rm" "-f" "d536174dfed028c426b51a7484465e49e3b332aa027355e44ec41a26692cd23e"`
[INFO] [stdout] d536174dfed028c426b51a7484465e49e3b332aa027355e44ec41a26692cd23e