[INFO] cloning repository https://github.com/niketkumar/combinations_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/niketkumar/combinations_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniketkumar%2Fcombinations_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniketkumar%2Fcombinations_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45dab151a5128bc8b47f7b178dcd0a44eef264e6
[INFO] testing niketkumar/combinations_rust against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniketkumar%2Fcombinations_rust" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/niketkumar/combinations_rust on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/niketkumar/combinations_rust
[INFO] finished tweaking git repo https://github.com/niketkumar/combinations_rust
[INFO] tweaked toml for git repo https://github.com/niketkumar/combinations_rust written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/niketkumar/combinations_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ffcf90d5e49f6698e994a86c3966d1678d3c320bb6cca943e57ccd2180a8830
[INFO] running `Command { std: "docker" "start" "-a" "8ffcf90d5e49f6698e994a86c3966d1678d3c320bb6cca943e57ccd2180a8830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ffcf90d5e49f6698e994a86c3966d1678d3c320bb6cca943e57ccd2180a8830", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ffcf90d5e49f6698e994a86c3966d1678d3c320bb6cca943e57ccd2180a8830", kill_on_drop: false }`
[INFO] [stdout] 8ffcf90d5e49f6698e994a86c3966d1678d3c320bb6cca943e57ccd2180a8830
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10c672afc54f5a0307059aa5f5232787a8977121bad2e06f42fb82f154acf6de
[INFO] running `Command { std: "docker" "start" "-a" "10c672afc54f5a0307059aa5f5232787a8977121bad2e06f42fb82f154acf6de", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling combinations v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "10c672afc54f5a0307059aa5f5232787a8977121bad2e06f42fb82f154acf6de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10c672afc54f5a0307059aa5f5232787a8977121bad2e06f42fb82f154acf6de", kill_on_drop: false }`
[INFO] [stdout] 10c672afc54f5a0307059aa5f5232787a8977121bad2e06f42fb82f154acf6de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3262d514b41273cfd5704505bcc551ed1fae1ab49b6b23afe8e0235030827ba
[INFO] running `Command { std: "docker" "start" "-a" "f3262d514b41273cfd5704505bcc551ed1fae1ab49b6b23afe8e0235030827ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling combinations v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "f3262d514b41273cfd5704505bcc551ed1fae1ab49b6b23afe8e0235030827ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3262d514b41273cfd5704505bcc551ed1fae1ab49b6b23afe8e0235030827ba", kill_on_drop: false }`
[INFO] [stdout] f3262d514b41273cfd5704505bcc551ed1fae1ab49b6b23afe8e0235030827ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 66c14ed4fc0f486398ea211b0409d0476bb85b6e699ac4273bafc7983c4c3ff0
[INFO] running `Command { std: "docker" "start" "-a" "66c14ed4fc0f486398ea211b0409d0476bb85b6e699ac4273bafc7983c4c3ff0", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/combinations-02aa707da13d050f)
[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] 
[INFO] running `Command { std: "docker" "inspect" "66c14ed4fc0f486398ea211b0409d0476bb85b6e699ac4273bafc7983c4c3ff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66c14ed4fc0f486398ea211b0409d0476bb85b6e699ac4273bafc7983c4c3ff0", kill_on_drop: false }`
[INFO] [stdout] 66c14ed4fc0f486398ea211b0409d0476bb85b6e699ac4273bafc7983c4c3ff0