[INFO] cloning repository https://github.com/PhdTrollSlayer/maq-estado-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PhdTrollSlayer/maq-estado-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhdTrollSlayer%2Fmaq-estado-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhdTrollSlayer%2Fmaq-estado-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36884e390ef25379f199b5aae512d7a9428bf7d2
[INFO] checking PhdTrollSlayer/maq-estado-rust against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhdTrollSlayer%2Fmaq-estado-rust" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PhdTrollSlayer/maq-estado-rust on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PhdTrollSlayer/maq-estado-rust
[INFO] finished tweaking git repo https://github.com/PhdTrollSlayer/maq-estado-rust
[INFO] tweaked toml for git repo https://github.com/PhdTrollSlayer/maq-estado-rust written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/PhdTrollSlayer/maq-estado-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b4be35334661ad453b503d7d512d11cef8aae144abdd0a682a392b6ba35df6c9
[INFO] running `Command { std: "docker" "start" "-a" "b4be35334661ad453b503d7d512d11cef8aae144abdd0a682a392b6ba35df6c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4be35334661ad453b503d7d512d11cef8aae144abdd0a682a392b6ba35df6c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4be35334661ad453b503d7d512d11cef8aae144abdd0a682a392b6ba35df6c9", kill_on_drop: false }`
[INFO] [stdout] b4be35334661ad453b503d7d512d11cef8aae144abdd0a682a392b6ba35df6c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a9dff0e35944a8b297d2e4a4a447d2a971c0bef25d9d8a2e586a4af86367f33
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9a9dff0e35944a8b297d2e4a4a447d2a971c0bef25d9d8a2e586a4af86367f33", kill_on_drop: false }`
[INFO] [stderr]     Checking mq-aviao v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tipos.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut s;
[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] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tipos.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut s;
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "9a9dff0e35944a8b297d2e4a4a447d2a971c0bef25d9d8a2e586a4af86367f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a9dff0e35944a8b297d2e4a4a447d2a971c0bef25d9d8a2e586a4af86367f33", kill_on_drop: false }`
[INFO] [stdout] 9a9dff0e35944a8b297d2e4a4a447d2a971c0bef25d9d8a2e586a4af86367f33