[INFO] cloning repository https://github.com/tuzz/superpermutation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tuzz/superpermutation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fsuperpermutation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fsuperpermutation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01c6553b5898024fcdff77e0473a37d28b9e9b1d
[INFO] checking tuzz/superpermutation against try#7c3a44cf5f95fa5cf164a312bdcf845157af7093 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fsuperpermutation" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tuzz/superpermutation on toolchain 7c3a44cf5f95fa5cf164a312bdcf845157af7093
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tuzz/superpermutation
[INFO] finished tweaking git repo https://github.com/tuzz/superpermutation
[INFO] tweaked toml for git repo https://github.com/tuzz/superpermutation written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/tuzz/superpermutation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72be4d154d713709681639e864498bc118d4cf77966293bb49c716e25967203a
[INFO] running `Command { std: "docker" "start" "-a" "72be4d154d713709681639e864498bc118d4cf77966293bb49c716e25967203a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72be4d154d713709681639e864498bc118d4cf77966293bb49c716e25967203a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72be4d154d713709681639e864498bc118d4cf77966293bb49c716e25967203a", kill_on_drop: false }`
[INFO] [stdout] 72be4d154d713709681639e864498bc118d4cf77966293bb49c716e25967203a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 092b8025b03d250b5d256129e1836d38166e673f3d17ccaefddef1b1209b0822
[INFO] running `Command { std: "docker" "start" "-a" "092b8025b03d250b5d256129e1836d38166e673f3d17ccaefddef1b1209b0822", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling flate2-crc v0.1.1
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking lehmer v2.0.0
[INFO] [stderr]     Checking bucket_queue v2.0.0
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking arrayvec v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking bit-set v0.5.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking flate2 v1.0.5
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking serde_bytes v0.10.4
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]     Checking leaps-and-bounds v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.77s
[INFO] running `Command { std: "docker" "inspect" "092b8025b03d250b5d256129e1836d38166e673f3d17ccaefddef1b1209b0822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "092b8025b03d250b5d256129e1836d38166e673f3d17ccaefddef1b1209b0822", kill_on_drop: false }`
[INFO] [stdout] 092b8025b03d250b5d256129e1836d38166e673f3d17ccaefddef1b1209b0822