[INFO] cloning repository https://github.com/LeffdePeff/BigPower
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LeffdePeff/BigPower" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeffdePeff%2FBigPower", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeffdePeff%2FBigPower'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af9ca4abb3c8a21e8c303abe18ecceb6e9952b9d
[INFO] testing LeffdePeff/BigPower against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLeffdePeff%2FBigPower" "/workspace/builds/worker-65/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-65/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LeffdePeff/BigPower on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LeffdePeff/BigPower
[INFO] finished tweaking git repo https://github.com/LeffdePeff/BigPower
[INFO] tweaked toml for git repo https://github.com/LeffdePeff/BigPower written to /workspace/builds/worker-65/source/Cargo.toml
[INFO] crate git repo https://github.com/LeffdePeff/BigPower already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75cd05c44d01b2b4dd74df24aff56d6cf718ea8ed1c46f3a9d668e991d4edb41
[INFO] running `Command { std: "docker" "start" "-a" "75cd05c44d01b2b4dd74df24aff56d6cf718ea8ed1c46f3a9d668e991d4edb41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75cd05c44d01b2b4dd74df24aff56d6cf718ea8ed1c46f3a9d668e991d4edb41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75cd05c44d01b2b4dd74df24aff56d6cf718ea8ed1c46f3a9d668e991d4edb41", kill_on_drop: false }`
[INFO] [stdout] 75cd05c44d01b2b4dd74df24aff56d6cf718ea8ed1c46f3a9d668e991d4edb41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c11b2fa871b5dd17683c34738e3663e80a88070d11e4bf3707952508b503070c
[INFO] running `Command { std: "docker" "start" "-a" "c11b2fa871b5dd17683c34738e3663e80a88070d11e4bf3707952508b503070c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling rust-gmp v0.5.0
[INFO] [stderr]    Compiling big_power v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "c11b2fa871b5dd17683c34738e3663e80a88070d11e4bf3707952508b503070c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c11b2fa871b5dd17683c34738e3663e80a88070d11e4bf3707952508b503070c", kill_on_drop: false }`
[INFO] [stdout] c11b2fa871b5dd17683c34738e3663e80a88070d11e4bf3707952508b503070c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfb13b90ac765fb0dfe38b5302c99d2f6decbf819d3dc4568e310650dfd06dbe
[INFO] running `Command { std: "docker" "start" "-a" "cfb13b90ac765fb0dfe38b5302c99d2f6decbf819d3dc4568e310650dfd06dbe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling big_power v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.53s
[INFO] running `Command { std: "docker" "inspect" "cfb13b90ac765fb0dfe38b5302c99d2f6decbf819d3dc4568e310650dfd06dbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfb13b90ac765fb0dfe38b5302c99d2f6decbf819d3dc4568e310650dfd06dbe", kill_on_drop: false }`
[INFO] [stdout] cfb13b90ac765fb0dfe38b5302c99d2f6decbf819d3dc4568e310650dfd06dbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 21d1c53529e40c5c3c888d5de0f5099addec47150050ba76b60a61ac45220364
[INFO] running `Command { std: "docker" "start" "-a" "21d1c53529e40c5c3c888d5de0f5099addec47150050ba76b60a61ac45220364", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.92s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/big_power-d843285b8a6ac242)
[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" "21d1c53529e40c5c3c888d5de0f5099addec47150050ba76b60a61ac45220364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21d1c53529e40c5c3c888d5de0f5099addec47150050ba76b60a61ac45220364", kill_on_drop: false }`
[INFO] [stdout] 21d1c53529e40c5c3c888d5de0f5099addec47150050ba76b60a61ac45220364