[INFO] cloning repository https://github.com/manorajesh/maze-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/manorajesh/maze-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanorajesh%2Fmaze-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanorajesh%2Fmaze-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 59b63b02a4ea81e7c60fd4c2133bf2dad77832b5
[INFO] checking manorajesh/maze-rs against try#51b1964e35e5e26f8cd938940f0da6f7b5cc54fc for pr-138176
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanorajesh%2Fmaze-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/manorajesh/maze-rs on toolchain 51b1964e35e5e26f8cd938940f0da6f7b5cc54fc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/manorajesh/maze-rs
[INFO] finished tweaking git repo https://github.com/manorajesh/maze-rs
[INFO] tweaked toml for git repo https://github.com/manorajesh/maze-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/manorajesh/maze-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded built v0.7.4
[INFO] [stderr]   Downloaded ravif v0.11.9
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[INFO] [stderr]   Downloaded libfuzzer-sys v0.4.7
[INFO] [stderr]   Downloaded exr v1.72.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5aed2c0d9022ed5184250eec6deb84b903dd74fc3a218d84de0c1ad5fe4c020c
[INFO] running `Command { std: "docker" "start" "-a" "5aed2c0d9022ed5184250eec6deb84b903dd74fc3a218d84de0c1ad5fe4c020c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5aed2c0d9022ed5184250eec6deb84b903dd74fc3a218d84de0c1ad5fe4c020c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aed2c0d9022ed5184250eec6deb84b903dd74fc3a218d84de0c1ad5fe4c020c", kill_on_drop: false }`
[INFO] [stdout] 5aed2c0d9022ed5184250eec6deb84b903dd74fc3a218d84de0c1ad5fe4c020c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+51b1964e35e5e26f8cd938940f0da6f7b5cc54fc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ae2e4cb5a16371648aca0752bf26af5d80ad02457b1d880aeaf9f78dd1cb653
[INFO] running `Command { std: "docker" "start" "-a" "2ae2e4cb5a16371648aca0752bf26af5d80ad02457b1d880aeaf9f78dd1cb653", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]    Compiling built v0.7.4
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking aligned-vec v0.5.0
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking bytemuck v1.16.3
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]     Checking maybe-rayon v0.1.1
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking imgref v1.10.1
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]     Checking bitstream-io v2.5.0
[INFO] [stderr]     Checking itertools v0.12.1
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[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling arg_enum_proc_macro v0.3.4
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]     Checking profiling v1.0.15
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking thiserror v1.0.63
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[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]     Checking ravif v0.11.9
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[INFO] [stderr]     Checking maze-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `is_wall` is never used
[INFO] [stdout]   --> src/main.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Cell {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 31 |     fn is_wall(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_mut` is never used
[INFO] [stdout]   --> src/flat2darr.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl<T: Default + Copy> Flat2DArray<T> {
[INFO] [stdout]    | -------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn get_mut(&mut self, row: usize, col: usize) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_wall` is never used
[INFO] [stdout]   --> src/main.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl Cell {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] 31 |     fn is_wall(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_mut` is never used
[INFO] [stdout]   --> src/flat2darr.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl<T: Default + Copy> Flat2DArray<T> {
[INFO] [stdout]    | -------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn get_mut(&mut self, row: usize, col: usize) -> Option<&mut T> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.78s
[INFO] running `Command { std: "docker" "inspect" "2ae2e4cb5a16371648aca0752bf26af5d80ad02457b1d880aeaf9f78dd1cb653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ae2e4cb5a16371648aca0752bf26af5d80ad02457b1d880aeaf9f78dd1cb653", kill_on_drop: false }`
[INFO] [stdout] 2ae2e4cb5a16371648aca0752bf26af5d80ad02457b1d880aeaf9f78dd1cb653