[INFO] cloning repository https://github.com/kirhgoff/rust_utils
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kirhgoff/rust_utils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirhgoff%2Frust_utils", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirhgoff%2Frust_utils'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 662711b2e94f72c8636ca70fec98487260cb7a94
[INFO] checking kirhgoff/rust_utils against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirhgoff%2Frust_utils" "/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/kirhgoff/rust_utils on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kirhgoff/rust_utils
[INFO] finished tweaking git repo https://github.com/kirhgoff/rust_utils
[INFO] tweaked toml for git repo https://github.com/kirhgoff/rust_utils written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/kirhgoff/rust_utils already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "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 primal v0.2.3
[INFO] [stderr]   Downloaded fraction v0.3.7
[INFO] [stderr]   Downloaded hamming v0.1.3
[INFO] [stderr]   Downloaded primal-check v0.2.3
[INFO] [stderr]   Downloaded primal-sieve v0.2.8
[INFO] [stderr]   Downloaded num-rational v0.1.41
[INFO] [stderr]   Downloaded primal-estimate v0.2.1
[INFO] [stderr]   Downloaded primal-bit v0.2.4
[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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c290b750aa4e992b6ab8c8b3ddb1f30ac00895f554f02ec37ac1f297fff1065
[INFO] running `Command { std: "docker" "start" "-a" "9c290b750aa4e992b6ab8c8b3ddb1f30ac00895f554f02ec37ac1f297fff1065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c290b750aa4e992b6ab8c8b3ddb1f30ac00895f554f02ec37ac1f297fff1065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c290b750aa4e992b6ab8c8b3ddb1f30ac00895f554f02ec37ac1f297fff1065", kill_on_drop: false }`
[INFO] [stdout] 9c290b750aa4e992b6ab8c8b3ddb1f30ac00895f554f02ec37ac1f297fff1065
[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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a08c0c4224213f7dbfc0d23a045759211264ba897a81e4a9e308bf2c715831e5
[INFO] running `Command { std: "docker" "start" "-a" "a08c0c4224213f7dbfc0d23a045759211264ba897a81e4a9e308bf2c715831e5", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.42
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking primal-estimate v0.2.1
[INFO] [stderr]     Checking smallvec v0.4.4
[INFO] [stderr]     Checking primal-bit v0.2.4
[INFO] [stderr]     Checking primal-sieve v0.2.8
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking primal-check v0.2.3
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking primal v0.2.3
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking num-bigint v0.1.41
[INFO] [stderr]     Checking num-rational v0.1.41
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]     Checking fraction v0.3.7
[INFO] [stderr]     Checking rust_utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.34s
[INFO] running `Command { std: "docker" "inspect" "a08c0c4224213f7dbfc0d23a045759211264ba897a81e4a9e308bf2c715831e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a08c0c4224213f7dbfc0d23a045759211264ba897a81e4a9e308bf2c715831e5", kill_on_drop: false }`
[INFO] [stdout] a08c0c4224213f7dbfc0d23a045759211264ba897a81e4a9e308bf2c715831e5