[INFO] cloning repository https://github.com/olanod/domodoro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/olanod/domodoro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folanod%2Fdomodoro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folanod%2Fdomodoro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d936f629bada4266b61030027d4eba3514b7a45
[INFO] checking olanod/domodoro against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folanod%2Fdomodoro" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/olanod/domodoro on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/olanod/domodoro
[INFO] finished tweaking git repo https://github.com/olanod/domodoro
[INFO] tweaked toml for git repo https://github.com/olanod/domodoro written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/olanod/domodoro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c10d36153d997ae3d1e807c672216c3d00853c17e8e8633da1292cb5ac076f4c
[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" "c10d36153d997ae3d1e807c672216c3d00853c17e8e8633da1292cb5ac076f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c10d36153d997ae3d1e807c672216c3d00853c17e8e8633da1292cb5ac076f4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c10d36153d997ae3d1e807c672216c3d00853c17e8e8633da1292cb5ac076f4c", kill_on_drop: false }`
[INFO] [stdout] c10d36153d997ae3d1e807c672216c3d00853c17e8e8633da1292cb5ac076f4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+90442458ac46b1d5eed752c316da25450f67285b" "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] 4ab2523c59fc18270f2dcca59807b61a410daf4a6c922319ae29c9e17cb62f68
[INFO] running `Command { std: "docker" "start" "-a" "4ab2523c59fc18270f2dcca59807b61a410daf4a6c922319ae29c9e17cb62f68", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking serde v1.0.55
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling syn v0.13.10
[INFO] [stderr]    Compiling serde_derive v1.0.55
[INFO] [stderr]     Checking docopt v1.0.0
[INFO] [stderr]     Checking domodoro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Stop`
[INFO] [stdout]  --> src/domodoro.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Stop,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Stop`
[INFO] [stdout]  --> src/domodoro.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Stop,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.64s
[INFO] running `Command { std: "docker" "inspect" "4ab2523c59fc18270f2dcca59807b61a410daf4a6c922319ae29c9e17cb62f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ab2523c59fc18270f2dcca59807b61a410daf4a6c922319ae29c9e17cb62f68", kill_on_drop: false }`
[INFO] [stdout] 4ab2523c59fc18270f2dcca59807b61a410daf4a6c922319ae29c9e17cb62f68