[INFO] cloning repository https://github.com/jbg/backlightd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jbg/backlightd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbg%2Fbacklightd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbg%2Fbacklightd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7d114a1e15e6716e2de011bb1920c63a87675d31
[INFO] checking jbg/backlightd against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjbg%2Fbacklightd" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jbg/backlightd on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jbg/backlightd
[INFO] finished tweaking git repo https://github.com/jbg/backlightd
[INFO] tweaked toml for git repo https://github.com/jbg/backlightd written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/jbg/backlightd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.16
[INFO] [stderr]   Downloaded itertools v0.6.5
[INFO] [stderr]   Downloaded serde_json v1.0.4
[INFO] [stderr]   Downloaded serde v1.0.16
[INFO] [stderr]   Downloaded clippy_lints v0.0.166
[INFO] [stderr]   Downloaded clippy v0.0.166
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b3180bf8d05231adabca08d9cfb42250259fed7f4468a2fbe5397db9823a65b
[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" "8b3180bf8d05231adabca08d9cfb42250259fed7f4468a2fbe5397db9823a65b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b3180bf8d05231adabca08d9cfb42250259fed7f4468a2fbe5397db9823a65b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b3180bf8d05231adabca08d9cfb42250259fed7f4468a2fbe5397db9823a65b", kill_on_drop: false }`
[INFO] [stdout] 8b3180bf8d05231adabca08d9cfb42250259fed7f4468a2fbe5397db9823a65b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50c1de939dabb2d1a1d08a772735ed99abbf5b0263632dcfdd89a13ca64ddf9c
[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" "50c1de939dabb2d1a1d08a772735ed99abbf5b0263632dcfdd89a13ca64ddf9c", kill_on_drop: false }`
[INFO] [stderr]     Checking backlightd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "50c1de939dabb2d1a1d08a772735ed99abbf5b0263632dcfdd89a13ca64ddf9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50c1de939dabb2d1a1d08a772735ed99abbf5b0263632dcfdd89a13ca64ddf9c", kill_on_drop: false }`
[INFO] [stdout] 50c1de939dabb2d1a1d08a772735ed99abbf5b0263632dcfdd89a13ca64ddf9c