[INFO] cloning repository https://github.com/rustomax/rust-collatz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rustomax/rust-collatz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustomax%2Frust-collatz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustomax%2Frust-collatz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e1decc553aabe0f0619dab9ba750c704e664781
[INFO] testing rustomax/rust-collatz against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frustomax%2Frust-collatz" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rustomax/rust-collatz on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rustomax/rust-collatz
[INFO] finished tweaking git repo https://github.com/rustomax/rust-collatz
[INFO] tweaked toml for git repo https://github.com/rustomax/rust-collatz written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/rustomax/rust-collatz already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc844f85b45ba9448a33484a8aff6611294797e4dc37ed4d22695cbc5634584c
[INFO] running `Command { std: "docker" "start" "-a" "bc844f85b45ba9448a33484a8aff6611294797e4dc37ed4d22695cbc5634584c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc844f85b45ba9448a33484a8aff6611294797e4dc37ed4d22695cbc5634584c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc844f85b45ba9448a33484a8aff6611294797e4dc37ed4d22695cbc5634584c", kill_on_drop: false }`
[INFO] [stdout] bc844f85b45ba9448a33484a8aff6611294797e4dc37ed4d22695cbc5634584c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 260c5339e0e37f0459a15c61360df583a6a200192bfb3c4e1d8da1d0ebb0699a
[INFO] running `Command { std: "docker" "start" "-a" "260c5339e0e37f0459a15c61360df583a6a200192bfb3c4e1d8da1d0ebb0699a", kill_on_drop: false }`
[INFO] [stderr]    Compiling collatz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "260c5339e0e37f0459a15c61360df583a6a200192bfb3c4e1d8da1d0ebb0699a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "260c5339e0e37f0459a15c61360df583a6a200192bfb3c4e1d8da1d0ebb0699a", kill_on_drop: false }`
[INFO] [stdout] 260c5339e0e37f0459a15c61360df583a6a200192bfb3c4e1d8da1d0ebb0699a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7f26a6f7c97812db955bc92a967adae66b2d1191d76bcdb00630f2208bb0b8c4
[INFO] running `Command { std: "docker" "start" "-a" "7f26a6f7c97812db955bc92a967adae66b2d1191d76bcdb00630f2208bb0b8c4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling collatz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "7f26a6f7c97812db955bc92a967adae66b2d1191d76bcdb00630f2208bb0b8c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f26a6f7c97812db955bc92a967adae66b2d1191d76bcdb00630f2208bb0b8c4", kill_on_drop: false }`
[INFO] [stdout] 7f26a6f7c97812db955bc92a967adae66b2d1191d76bcdb00630f2208bb0b8c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 322c6c37a72f4203d10b53a819311616c66d033e6a45f3a03f68e92faebf0e3f
[INFO] running `Command { std: "docker" "start" "-a" "322c6c37a72f4203d10b53a819311616c66d033e6a45f3a03f68e92faebf0e3f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/collatz-de8d1684dbe5e56f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test collatz::test_collatz ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "322c6c37a72f4203d10b53a819311616c66d033e6a45f3a03f68e92faebf0e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "322c6c37a72f4203d10b53a819311616c66d033e6a45f3a03f68e92faebf0e3f", kill_on_drop: false }`
[INFO] [stdout] 322c6c37a72f4203d10b53a819311616c66d033e6a45f3a03f68e92faebf0e3f