[INFO] cloning repository https://github.com/haldor8/snake_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/haldor8/snake_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaldor8%2Fsnake_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaldor8%2Fsnake_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 627c79cbf95be55e399aba8a6809344c3c4835cd
[INFO] checking haldor8/snake_rust against try#b28cc4eb48a6415b914e8ad0308be255ff8d73ed for pr-156508
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaldor8%2Fsnake_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/haldor8/snake_rust
[INFO] finished tweaking git repo https://github.com/haldor8/snake_rust
[INFO] tweaked toml for git repo https://github.com/haldor8/snake_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/haldor8/snake_rust on toolchain b28cc4eb48a6415b914e8ad0308be255ff8d73ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/haldor8/snake_rust 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" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88360fdb88fef70045e795152fa49a94c1abe14c4d0c84d1d2bbf97b48d626d3
[INFO] running `Command { std: "docker" "start" "-a" "88360fdb88fef70045e795152fa49a94c1abe14c4d0c84d1d2bbf97b48d626d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88360fdb88fef70045e795152fa49a94c1abe14c4d0c84d1d2bbf97b48d626d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88360fdb88fef70045e795152fa49a94c1abe14c4d0c84d1d2bbf97b48d626d3", kill_on_drop: false }`
[INFO] [stdout] 88360fdb88fef70045e795152fa49a94c1abe14c4d0c84d1d2bbf97b48d626d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b28cc4eb48a6415b914e8ad0308be255ff8d73ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea8fd9547762d279310828e2fdff64823d61bc9e2c50fec14c68088872ac7751
[INFO] running `Command { std: "docker" "start" "-a" "ea8fd9547762d279310828e2fdff64823d61bc9e2c50fec14c68088872ac7751", kill_on_drop: false }`
[INFO] [stderr]     Checking snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `tableau`
[INFO] [stdout]    --> src/main.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn run(tableau: &mut Vec<Vec<char>>){
[INFO] [stdout]     |        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tableau`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `taille`
[INFO] [stdout]    --> src/main.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |     let taille = 7;
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_taille`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:173:10
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let (mut queue, mut tete) = initialiser_serpent(longueur, largeur);
[INFO] [stdout]     |          ----^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:173:21
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let (mut queue, mut tete) = initialiser_serpent(longueur, largeur);
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let mut mon_tableau = initialiser_tableau(&queue, longueur, largeur);
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tete`
[INFO] [stdout]    --> src/main.rs:173:21
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let (mut queue, mut tete) = initialiser_serpent(longueur, largeur);
[INFO] [stdout]     |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tete`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]   --> src/main.rs:54:6
[INFO] [stdout]    |
[INFO] [stdout] 54 | enum Direction {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `maj_coords` is never used
[INFO] [stdout]   --> src/main.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn maj_coords(tableau: &mut Vec<Vec<char>>, ligne: usize, colonne: usize, est_tete: bool) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `avancer` is never used
[INFO] [stdout]   --> src/main.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn avancer(tableau: &mut Vec<Vec<char>>, tete: &mut Box<NoeudSerpent>, queue: &mut Box<NoeudSerpent>, direction: Direction, doit_sup...
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]    --> src/main.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn run(tableau: &mut Vec<Vec<char>>){
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tableau`
[INFO] [stdout]    --> src/main.rs:120:8
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn run(tableau: &mut Vec<Vec<char>>){
[INFO] [stdout]     |        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tableau`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `taille`
[INFO] [stdout]    --> src/main.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |     let taille = 7;
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_taille`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:173:10
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let (mut queue, mut tete) = initialiser_serpent(longueur, largeur);
[INFO] [stdout]     |          ----^^^^^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:173:21
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let (mut queue, mut tete) = initialiser_serpent(longueur, largeur);
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:175:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     let mut mon_tableau = initialiser_tableau(&queue, longueur, largeur);
[INFO] [stdout]     |         ----^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tete`
[INFO] [stdout]    --> src/main.rs:173:21
[INFO] [stdout]     |
[INFO] [stdout] 173 |     let (mut queue, mut tete) = initialiser_serpent(longueur, largeur);
[INFO] [stdout]     |                     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tete`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Direction` is never used
[INFO] [stdout]   --> src/main.rs:54:6
[INFO] [stdout]    |
[INFO] [stdout] 54 | enum Direction {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `maj_coords` is never used
[INFO] [stdout]   --> src/main.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn maj_coords(tableau: &mut Vec<Vec<char>>, ligne: usize, colonne: usize, est_tete: bool) {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `avancer` is never used
[INFO] [stdout]   --> src/main.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn avancer(tableau: &mut Vec<Vec<char>>, tete: &mut Box<NoeudSerpent>, queue: &mut Box<NoeudSerpent>, direction: Direction, doit_sup...
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]    --> src/main.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn run(tableau: &mut Vec<Vec<char>>){
[INFO] [stdout]     |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "ea8fd9547762d279310828e2fdff64823d61bc9e2c50fec14c68088872ac7751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea8fd9547762d279310828e2fdff64823d61bc9e2c50fec14c68088872ac7751", kill_on_drop: false }`
[INFO] [stdout] ea8fd9547762d279310828e2fdff64823d61bc9e2c50fec14c68088872ac7751
