[INFO] cloning repository https://github.com/vinceniko/tetrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vinceniko/tetrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvinceniko%2Ftetrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvinceniko%2Ftetrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0cf0007b3e5b84e491e2cf3c50a7e4b3dd176092
[INFO] checking vinceniko/tetrust against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvinceniko%2Ftetrust" "/workspace/builds/worker-57/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-57/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vinceniko/tetrust 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/vinceniko/tetrust
[INFO] finished tweaking git repo https://github.com/vinceniko/tetrust
[INFO] tweaked toml for git repo https://github.com/vinceniko/tetrust written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] crate git repo https://github.com/vinceniko/tetrust 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] 6e059350b42d27fa1f66ddd7d129ed47f99617f6b5611ff04239bfc4b9d7ce2c
[INFO] running `Command { std: "docker" "start" "-a" "6e059350b42d27fa1f66ddd7d129ed47f99617f6b5611ff04239bfc4b9d7ce2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e059350b42d27fa1f66ddd7d129ed47f99617f6b5611ff04239bfc4b9d7ce2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e059350b42d27fa1f66ddd7d129ed47f99617f6b5611ff04239bfc4b9d7ce2c", kill_on_drop: false }`
[INFO] [stdout] 6e059350b42d27fa1f66ddd7d129ed47f99617f6b5611ff04239bfc4b9d7ce2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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] f896d508a5d1592ea7e5edcbb7964ae3bf86ba47a7d369be6f60b92d609980a9
[INFO] running `Command { std: "docker" "start" "-a" "f896d508a5d1592ea7e5edcbb7964ae3bf86ba47a7d369be6f60b92d609980a9", 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" "f896d508a5d1592ea7e5edcbb7964ae3bf86ba47a7d369be6f60b92d609980a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f896d508a5d1592ea7e5edcbb7964ae3bf86ba47a7d369be6f60b92d609980a9", kill_on_drop: false }`
[INFO] [stdout] f896d508a5d1592ea7e5edcbb7964ae3bf86ba47a7d369be6f60b92d609980a9