[INFO] cloning repository https://github.com/enigmampc/u256-sqrt-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/enigmampc/u256-sqrt-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenigmampc%2Fu256-sqrt-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenigmampc%2Fu256-sqrt-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa7693890a42eb5afd0215889038a02cd8c56904
[INFO] testing enigmampc/u256-sqrt-test against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fenigmampc%2Fu256-sqrt-test" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/enigmampc/u256-sqrt-test on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/enigmampc/u256-sqrt-test
[INFO] finished tweaking git repo https://github.com/enigmampc/u256-sqrt-test
[INFO] tweaked toml for git repo https://github.com/enigmampc/u256-sqrt-test written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/enigmampc/u256-sqrt-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc578630491335ec10d3d21b9d6691a954b51aa167aaf97f971084725df71754
[INFO] running `Command { std: "docker" "start" "-a" "cc578630491335ec10d3d21b9d6691a954b51aa167aaf97f971084725df71754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc578630491335ec10d3d21b9d6691a954b51aa167aaf97f971084725df71754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc578630491335ec10d3d21b9d6691a954b51aa167aaf97f971084725df71754", kill_on_drop: false }`
[INFO] [stdout] cc578630491335ec10d3d21b9d6691a954b51aa167aaf97f971084725df71754
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b62a6e51e24c561159a26b3a263ef0fcd47357a43b2cfdfb8aada0d53ad50e2a
[INFO] running `Command { std: "docker" "start" "-a" "b62a6e51e24c561159a26b3a263ef0fcd47357a43b2cfdfb8aada0d53ad50e2a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling fixed-hash v0.7.0
[INFO] [stderr]    Compiling uint v0.9.0
[INFO] [stderr]    Compiling primitive-types v0.9.0
[INFO] [stderr]    Compiling u256-sqrt-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "b62a6e51e24c561159a26b3a263ef0fcd47357a43b2cfdfb8aada0d53ad50e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b62a6e51e24c561159a26b3a263ef0fcd47357a43b2cfdfb8aada0d53ad50e2a", kill_on_drop: false }`
[INFO] [stdout] b62a6e51e24c561159a26b3a263ef0fcd47357a43b2cfdfb8aada0d53ad50e2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc7c194b51540d4b310b4da4f63dc883d9beb8f74722d60c8fae9363ea53727f
[INFO] running `Command { std: "docker" "start" "-a" "dc7c194b51540d4b310b4da4f63dc883d9beb8f74722d60c8fae9363ea53727f", kill_on_drop: false }`
[INFO] [stderr]    Compiling u256-sqrt-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "dc7c194b51540d4b310b4da4f63dc883d9beb8f74722d60c8fae9363ea53727f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc7c194b51540d4b310b4da4f63dc883d9beb8f74722d60c8fae9363ea53727f", kill_on_drop: false }`
[INFO] [stdout] dc7c194b51540d4b310b4da4f63dc883d9beb8f74722d60c8fae9363ea53727f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] db1c990b76c0a74ed2f7a25f1e9a9d307ad727813b9e4dafa3f758e4f34a7883
[INFO] running `Command { std: "docker" "start" "-a" "db1c990b76c0a74ed2f7a25f1e9a9d307ad727813b9e4dafa3f758e4f34a7883", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.81s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/u256_sqrt_test-fef9666b48ea248b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "db1c990b76c0a74ed2f7a25f1e9a9d307ad727813b9e4dafa3f758e4f34a7883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db1c990b76c0a74ed2f7a25f1e9a9d307ad727813b9e4dafa3f758e4f34a7883", kill_on_drop: false }`
[INFO] [stdout] db1c990b76c0a74ed2f7a25f1e9a9d307ad727813b9e4dafa3f758e4f34a7883