[INFO] cloning repository https://github.com/whitequark/i3gamma
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whitequark/i3gamma" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhitequark%2Fi3gamma", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhitequark%2Fi3gamma'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad99d33f365cc01aed8eb1eff5769ad08c080493
[INFO] checking whitequark/i3gamma against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhitequark%2Fi3gamma" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whitequark/i3gamma 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/whitequark/i3gamma
[INFO] finished tweaking git repo https://github.com/whitequark/i3gamma
[INFO] tweaked toml for git repo https://github.com/whitequark/i3gamma written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/whitequark/i3gamma 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded i3ipc v0.8.4
[INFO] [stderr]   Downloaded syn v0.15.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] ebb8e0c57118ef1208a01d741eccd6984bde4bf0e4485bd1228a2ffd236c5680
[INFO] running `Command { std: "docker" "start" "-a" "ebb8e0c57118ef1208a01d741eccd6984bde4bf0e4485bd1228a2ffd236c5680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebb8e0c57118ef1208a01d741eccd6984bde4bf0e4485bd1228a2ffd236c5680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebb8e0c57118ef1208a01d741eccd6984bde4bf0e4485bd1228a2ffd236c5680", kill_on_drop: false }`
[INFO] [stdout] ebb8e0c57118ef1208a01d741eccd6984bde4bf0e4485bd1228a2ffd236c5680
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] ccd7e0ab6f76113e27211dd9db727106c87ab1b13109ff4997d7b5f80d7fdb84
[INFO] running `Command { std: "docker" "start" "-a" "ccd7e0ab6f76113e27211dd9db727106c87ab1b13109ff4997d7b5f80d7fdb84", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking toml v0.4.8
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]     Checking i3ipc v0.8.4
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking i3gamma v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.95s
[INFO] running `Command { std: "docker" "inspect" "ccd7e0ab6f76113e27211dd9db727106c87ab1b13109ff4997d7b5f80d7fdb84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccd7e0ab6f76113e27211dd9db727106c87ab1b13109ff4997d7b5f80d7fdb84", kill_on_drop: false }`
[INFO] [stdout] ccd7e0ab6f76113e27211dd9db727106c87ab1b13109ff4997d7b5f80d7fdb84