[INFO] cloning repository https://github.com/dnaka91/commentstats
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dnaka91/commentstats" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnaka91%2Fcommentstats", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnaka91%2Fcommentstats'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] abc107703c8d2f6db2ee90fb308aefd10ed04d34
[INFO] checking dnaka91/commentstats against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdnaka91%2Fcommentstats" "/workspace/builds/worker-62/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-62/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dnaka91/commentstats on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dnaka91/commentstats
[INFO] finished tweaking git repo https://github.com/dnaka91/commentstats
[INFO] tweaked toml for git repo https://github.com/dnaka91/commentstats written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate git repo https://github.com/dnaka91/commentstats already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memmap2 v0.3.0
[INFO] [stderr]   Downloaded dirs v3.0.2
[INFO] [stderr]   Downloaded simplecss v0.1.0
[INFO] [stderr]   Downloaded svgparser v0.6.4
[INFO] [stderr]   Downloaded humansize v1.1.1
[INFO] [stderr]   Downloaded grep-searcher v0.1.8
[INFO] [stderr]   Downloaded encoding_rs_io v0.1.7
[INFO] [stderr]   Downloaded grep-matcher v0.1.5
[INFO] [stderr]   Downloaded globwalk v0.8.1
[INFO] [stderr]   Downloaded pbr v1.0.4
[INFO] [stderr]   Downloaded ignore v0.4.18
[INFO] [stderr]   Downloaded tokei v12.1.2
[INFO] [stderr]   Downloaded xmlparser v0.1.2
[INFO] [stderr]   Downloaded chrono-tz v0.5.3
[INFO] [stderr]   Downloaded tera v1.12.0
[INFO] [stderr]   Downloaded svgdom v0.10.5
[INFO] [stderr]   Downloaded svgcleaner v0.9.5
[INFO] [stderr]   Downloaded float-cmp v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8708cd98af1adb11dfff376df5ea6f2b1a84b55b589f23d247c139cff0bce5f1
[INFO] running `Command { std: "docker" "start" "-a" "8708cd98af1adb11dfff376df5ea6f2b1a84b55b589f23d247c139cff0bce5f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8708cd98af1adb11dfff376df5ea6f2b1a84b55b589f23d247c139cff0bce5f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8708cd98af1adb11dfff376df5ea6f2b1a84b55b589f23d247c139cff0bce5f1", kill_on_drop: false }`
[INFO] [stdout] 8708cd98af1adb11dfff376df5ea6f2b1a84b55b589f23d247c139cff0bce5f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76b2814f57010a5d19bb3c8ba6d70b8397aea68c77f2c52d233a740b0b86ca9d
[INFO] running `Command { std: "docker" "start" "-a" "76b2814f57010a5d19bb3c8ba6d70b8397aea68c77f2c52d233a740b0b86ca9d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: failed to create jobserver
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to increase jobserver pipe capacity from 4096 to 8192; jobserver otherwise might deadlock
[INFO] running `Command { std: "docker" "inspect" "76b2814f57010a5d19bb3c8ba6d70b8397aea68c77f2c52d233a740b0b86ca9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76b2814f57010a5d19bb3c8ba6d70b8397aea68c77f2c52d233a740b0b86ca9d", kill_on_drop: false }`
[INFO] [stdout] 76b2814f57010a5d19bb3c8ba6d70b8397aea68c77f2c52d233a740b0b86ca9d