[INFO] cloning repository https://github.com/ArcenioCourtar/snake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ArcenioCourtar/snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArcenioCourtar%2Fsnake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArcenioCourtar%2Fsnake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 846531cb92e274d63f13ca059299ee0abb3bc382
[INFO] building ArcenioCourtar/snake against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArcenioCourtar%2Fsnake" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ArcenioCourtar/snake on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ArcenioCourtar/snake
[INFO] finished tweaking git repo https://github.com/ArcenioCourtar/snake
[INFO] tweaked toml for git repo https://github.com/ArcenioCourtar/snake written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ArcenioCourtar/snake 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pancurses v0.17.0
[INFO] [stderr]   Downloaded ncurses v5.101.0
[INFO] [stderr]   Downloaded winreg v0.5.1
[INFO] [stderr]   Downloaded pdcurses-sys v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 005e9aa7f024fff6054c66f712e90128a7b75a4d13bc42538a0390f7c954059f
[INFO] running `Command { std: "docker" "start" "-a" "005e9aa7f024fff6054c66f712e90128a7b75a4d13bc42538a0390f7c954059f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "005e9aa7f024fff6054c66f712e90128a7b75a4d13bc42538a0390f7c954059f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "005e9aa7f024fff6054c66f712e90128a7b75a4d13bc42538a0390f7c954059f", kill_on_drop: false }`
[INFO] [stdout] 005e9aa7f024fff6054c66f712e90128a7b75a4d13bc42538a0390f7c954059f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abc391986aa0c79b6fa0b977cb8410f9fae3f414c9161a28a977420192379ce1
[INFO] running `Command { std: "docker" "start" "-a" "abc391986aa0c79b6fa0b977cb8410f9fae3f414c9161a28a977420192379ce1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling pancurses v0.17.0
[INFO] [stderr]    Compiling snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:52:7
[INFO] [stdout]    |
[INFO] [stdout] 52 |         for mut segment in &mut self.tail {
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.07s
[INFO] running `Command { std: "docker" "inspect" "abc391986aa0c79b6fa0b977cb8410f9fae3f414c9161a28a977420192379ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abc391986aa0c79b6fa0b977cb8410f9fae3f414c9161a28a977420192379ce1", kill_on_drop: false }`
[INFO] [stdout] abc391986aa0c79b6fa0b977cb8410f9fae3f414c9161a28a977420192379ce1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 529d930353af79235895f1dc8221adb9eaa34956eb9b37fd40b4f5bae30ca4f0
[INFO] running `Command { std: "docker" "start" "-a" "529d930353af79235895f1dc8221adb9eaa34956eb9b37fd40b4f5bae30ca4f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:52:7
[INFO] [stdout]    |
[INFO] [stdout] 52 |         for mut segment in &mut self.tail {
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "529d930353af79235895f1dc8221adb9eaa34956eb9b37fd40b4f5bae30ca4f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "529d930353af79235895f1dc8221adb9eaa34956eb9b37fd40b4f5bae30ca4f0", kill_on_drop: false }`
[INFO] [stdout] 529d930353af79235895f1dc8221adb9eaa34956eb9b37fd40b4f5bae30ca4f0
