[INFO] crate apath 0.1.0 is already in cache
[INFO] checking apath-0.1.0 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate apath 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate apath 0.1.0 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate apath 0.1.0
[INFO] finished tweaking crates.io crate apath 0.1.0
[INFO] tweaked toml for crates.io crate apath 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 21d33cf3c3ed55fd33bcf17ba2166a662f4233742db3c302e4c947f266628739
[INFO] running `"docker" "start" "-a" "21d33cf3c3ed55fd33bcf17ba2166a662f4233742db3c302e4c947f266628739"`
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking nalgebra v0.8.2
[INFO] [stderr]     Checking apath v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:327:55
[INFO] [stderr]     |
[INFO] [stderr] 327 |     fn path_update_fringe(&mut self, goal: Vector2<i32>, mut fringe: &mut Fringe, closed: &mut Vec<Vector2<i32>>) -> bool
[INFO] [stderr]     |                                                          ----^^^^^^
[INFO] [stderr]     |                                                          |
[INFO] [stderr]     |                                                          help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rem_obs_at`
[INFO] [stderr]    --> src/lib.rs:112:2
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fn rem_obs_at(&mut self, pos: Vector2<i32>) -> ()
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:327:55
[INFO] [stderr]     |
[INFO] [stderr] 327 |     fn path_update_fringe(&mut self, goal: Vector2<i32>, mut fringe: &mut Fringe, closed: &mut Vec<Vector2<i32>>) -> bool
[INFO] [stderr]     |                                                          ----^^^^^^
[INFO] [stderr]     |                                                          |
[INFO] [stderr]     |                                                          help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `rem_obs_at`
[INFO] [stderr]    --> src/lib.rs:112:2
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fn rem_obs_at(&mut self, pos: Vector2<i32>) -> ()
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.62s
[INFO] running `"docker" "inspect" "21d33cf3c3ed55fd33bcf17ba2166a662f4233742db3c302e4c947f266628739"`
[INFO] running `"docker" "rm" "-f" "21d33cf3c3ed55fd33bcf17ba2166a662f4233742db3c302e4c947f266628739"`
[INFO] [stdout] 21d33cf3c3ed55fd33bcf17ba2166a662f4233742db3c302e4c947f266628739