[INFO] cloning repository https://github.com/JordanSpeake/lgca
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JordanSpeake/lgca" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJordanSpeake%2Flgca", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJordanSpeake%2Flgca'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e1577434204e183849bad4deaebc719aa655787a
[INFO] checking JordanSpeake/lgca against a7c37f9f0ee5e93396106e9de20f4a86b4154e63 for pr-129249-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJordanSpeake%2Flgca" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JordanSpeake/lgca
[INFO] finished tweaking git repo https://github.com/JordanSpeake/lgca
[INFO] tweaked toml for git repo https://github.com/JordanSpeake/lgca written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JordanSpeake/lgca on toolchain a7c37f9f0ee5e93396106e9de20f4a86b4154e63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7c37f9f0ee5e93396106e9de20f4a86b4154e63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JordanSpeake/lgca 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" "+a7c37f9f0ee5e93396106e9de20f4a86b4154e63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flate2 v1.0.33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 29e8cb08077e45cf068a3c5873a672e4d6fe0e07ae3e5dda9ab2d31f998ae76c
[INFO] running `Command { std: "docker" "start" "29e8cb08077e45cf068a3c5873a672e4d6fe0e07ae3e5dda9ab2d31f998ae76c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29e8cb08077e45cf068a3c5873a672e4d6fe0e07ae3e5dda9ab2d31f998ae76c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "29e8cb08077e45cf068a3c5873a672e4d6fe0e07ae3e5dda9ab2d31f998ae76c" "/opt/rustwide/cargo-home/bin/cargo" "+a7c37f9f0ee5e93396106e9de20f4a86b4154e63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29e8cb08077e45cf068a3c5873a672e4d6fe0e07ae3e5dda9ab2d31f998ae76c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "29e8cb08077e45cf068a3c5873a672e4d6fe0e07ae3e5dda9ab2d31f998ae76c" "/opt/rustwide/cargo-home/bin/cargo" "+a7c37f9f0ee5e93396106e9de20f4a86b4154e63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking flate2 v1.0.33
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking rust-lgca v0.1.0 (/opt/rustwide/workdir/lgca)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> lgca/src/main.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let mut sources = Vec::<lgca::Source>::new();
[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]    --> lgca/src/main.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |     let mut sources = Vec::<lgca::Source>::new();
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "29e8cb08077e45cf068a3c5873a672e4d6fe0e07ae3e5dda9ab2d31f998ae76c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29e8cb08077e45cf068a3c5873a672e4d6fe0e07ae3e5dda9ab2d31f998ae76c", kill_on_drop: false }`
[INFO] [stdout] 29e8cb08077e45cf068a3c5873a672e4d6fe0e07ae3e5dda9ab2d31f998ae76c