[INFO] cloning repository https://github.com/Nomyfan/rasfan
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Nomyfan/rasfan" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNomyfan%2Frasfan", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNomyfan%2Frasfan'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a60aa121bf1d5a1845b0f6591e51ff048582ada4
[INFO] checking Nomyfan/rasfan against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNomyfan%2Frasfan" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nomyfan/rasfan on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nomyfan/rasfan
[INFO] finished tweaking git repo https://github.com/Nomyfan/rasfan
[INFO] tweaked toml for git repo https://github.com/Nomyfan/rasfan written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Nomyfan/rasfan already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc754cf5cbf1f40d633750ae7457c79b5b73df4fd27725070ea96623546c9a0d
[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" "bc754cf5cbf1f40d633750ae7457c79b5b73df4fd27725070ea96623546c9a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc754cf5cbf1f40d633750ae7457c79b5b73df4fd27725070ea96623546c9a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc754cf5cbf1f40d633750ae7457c79b5b73df4fd27725070ea96623546c9a0d", kill_on_drop: false }`
[INFO] [stdout] bc754cf5cbf1f40d633750ae7457c79b5b73df4fd27725070ea96623546c9a0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] d7a41ee96ede8df1f607c26cb9833f63862aeaf4fe9ca351f23ef04236692a29
[INFO] running `Command { std: "docker" "start" "-a" "d7a41ee96ede8df1f607c26cb9833f63862aeaf4fe9ca351f23ef04236692a29", kill_on_drop: false }`
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling xshell-macros v0.1.10
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking xshell v0.1.10
[INFO] [stderr]     Checking sysfs_gpio v0.5.4
[INFO] [stderr]     Checking rasfan v0.1.0 (/opt/rustwide/workdir/rasfan)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> rasfan/src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut app = App::new("Raspberry fan controller")
[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]   --> rasfan/src/main.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut app = App::new("Raspberry fan controller")
[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 8.32s
[INFO] running `Command { std: "docker" "inspect" "d7a41ee96ede8df1f607c26cb9833f63862aeaf4fe9ca351f23ef04236692a29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7a41ee96ede8df1f607c26cb9833f63862aeaf4fe9ca351f23ef04236692a29", kill_on_drop: false }`
[INFO] [stdout] d7a41ee96ede8df1f607c26cb9833f63862aeaf4fe9ca351f23ef04236692a29