[INFO] cloning repository https://github.com/MathiasStadler/rust-test-driven-development
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MathiasStadler/rust-test-driven-development" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasStadler%2Frust-test-driven-development", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasStadler%2Frust-test-driven-development'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ae472df7f50db540645fa3b80e18f49bea7a8e0
[INFO] building MathiasStadler/rust-test-driven-development against master#70591dc15db32941fe3595fdbf98e58d6975f95e for pr-127731
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasStadler%2Frust-test-driven-development" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MathiasStadler/rust-test-driven-development on toolchain 70591dc15db32941fe3595fdbf98e58d6975f95e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MathiasStadler/rust-test-driven-development
[INFO] finished tweaking git repo https://github.com/MathiasStadler/rust-test-driven-development
[INFO] tweaked toml for git repo https://github.com/MathiasStadler/rust-test-driven-development written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MathiasStadler/rust-test-driven-development already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70591dc15db32941fe3595fdbf98e58d6975f95e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] building MathiasStadler/rust-test-driven-development against try#7587ff3622fbec0abf6ac551eab5226f22f5d958 for pr-127731
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasStadler%2Frust-test-driven-development" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MathiasStadler/rust-test-driven-development on toolchain 7587ff3622fbec0abf6ac551eab5226f22f5d958
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MathiasStadler/rust-test-driven-development
[INFO] finished tweaking git repo https://github.com/MathiasStadler/rust-test-driven-development
[INFO] tweaked toml for git repo https://github.com/MathiasStadler/rust-test-driven-development written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MathiasStadler/rust-test-driven-development already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "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
[ERROR] error running command: no output for 300 seconds
[INFO] building MathiasStadler/rust-test-driven-development against try#7587ff3622fbec0abf6ac551eab5226f22f5d958 for pr-127731
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasStadler%2Frust-test-driven-development" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MathiasStadler/rust-test-driven-development on toolchain 7587ff3622fbec0abf6ac551eab5226f22f5d958
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MathiasStadler/rust-test-driven-development
[INFO] finished tweaking git repo https://github.com/MathiasStadler/rust-test-driven-development
[INFO] tweaked toml for git repo https://github.com/MathiasStadler/rust-test-driven-development written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MathiasStadler/rust-test-driven-development already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 097d39785b0789d2d393c7f1c3ad92c510f5ee628eb5c275e82ee2e45eff8f97
[INFO] running `Command { std: "docker" "start" "-a" "097d39785b0789d2d393c7f1c3ad92c510f5ee628eb5c275e82ee2e45eff8f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "097d39785b0789d2d393c7f1c3ad92c510f5ee628eb5c275e82ee2e45eff8f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "097d39785b0789d2d393c7f1c3ad92c510f5ee628eb5c275e82ee2e45eff8f97", kill_on_drop: false }`
[INFO] [stdout] 097d39785b0789d2d393c7f1c3ad92c510f5ee628eb5c275e82ee2e45eff8f97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba1b6fb01e21006a14752ffb8e2fb0bf5f01380ea816ffff4489cc330b0d8ee4
[INFO] running `Command { std: "docker" "start" "-a" "ba1b6fb01e21006a14752ffb8e2fb0bf5f01380ea816ffff4489cc330b0d8ee4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-test-driven-development v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "ba1b6fb01e21006a14752ffb8e2fb0bf5f01380ea816ffff4489cc330b0d8ee4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba1b6fb01e21006a14752ffb8e2fb0bf5f01380ea816ffff4489cc330b0d8ee4", kill_on_drop: false }`
[INFO] [stdout] ba1b6fb01e21006a14752ffb8e2fb0bf5f01380ea816ffff4489cc330b0d8ee4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+7587ff3622fbec0abf6ac551eab5226f22f5d958" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e09a51c80c84eab53654e4b5611480a9861c42aee8a8da60c0e65f5146d6a57
[INFO] running `Command { std: "docker" "start" "-a" "4e09a51c80c84eab53654e4b5611480a9861c42aee8a8da60c0e65f5146d6a57", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-test-driven-development v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "4e09a51c80c84eab53654e4b5611480a9861c42aee8a8da60c0e65f5146d6a57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e09a51c80c84eab53654e4b5611480a9861c42aee8a8da60c0e65f5146d6a57", kill_on_drop: false }`
[INFO] [stdout] 4e09a51c80c84eab53654e4b5611480a9861c42aee8a8da60c0e65f5146d6a57