[INFO] cloning repository https://github.com/asdofindia/rust_reverse_collatz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asdofindia/rust_reverse_collatz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasdofindia%2Frust_reverse_collatz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasdofindia%2Frust_reverse_collatz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4fcd113b09e6ba66ec6b45d14b18444edb414124
[INFO] testing asdofindia/rust_reverse_collatz against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasdofindia%2Frust_reverse_collatz" "/workspace/builds/worker-110/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-110/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asdofindia/rust_reverse_collatz 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/asdofindia/rust_reverse_collatz
[INFO] finished tweaking git repo https://github.com/asdofindia/rust_reverse_collatz
[INFO] tweaked toml for git repo https://github.com/asdofindia/rust_reverse_collatz written to /workspace/builds/worker-110/source/Cargo.toml
[INFO] crate git repo https://github.com/asdofindia/rust_reverse_collatz 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-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] 70392eaf905c1b37eaa718b5cebaeee7a1ba7b7a0460b6c00b06d211e4d9ce6f
[INFO] running `Command { std: "docker" "start" "-a" "70392eaf905c1b37eaa718b5cebaeee7a1ba7b7a0460b6c00b06d211e4d9ce6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "70392eaf905c1b37eaa718b5cebaeee7a1ba7b7a0460b6c00b06d211e4d9ce6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70392eaf905c1b37eaa718b5cebaeee7a1ba7b7a0460b6c00b06d211e4d9ce6f", kill_on_drop: false }`
[INFO] [stdout] 70392eaf905c1b37eaa718b5cebaeee7a1ba7b7a0460b6c00b06d211e4d9ce6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] b22d56b7d1997c13f6aecd0317c7d32acaf89449b5986db2d26ac2d2d6e72fbc
[INFO] running `Command { std: "docker" "start" "-a" "b22d56b7d1997c13f6aecd0317c7d32acaf89449b5986db2d26ac2d2d6e72fbc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling clap v2.29.0
[INFO] [stderr]    Compiling reverse_collatz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.20s
[INFO] running `Command { std: "docker" "inspect" "b22d56b7d1997c13f6aecd0317c7d32acaf89449b5986db2d26ac2d2d6e72fbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b22d56b7d1997c13f6aecd0317c7d32acaf89449b5986db2d26ac2d2d6e72fbc", kill_on_drop: false }`
[INFO] [stdout] b22d56b7d1997c13f6aecd0317c7d32acaf89449b5986db2d26ac2d2d6e72fbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] f8320da9bd0e2e0f82fb1d2b5ee15244d3dfbad197fa8e59cbdbe885f4e82ee1
[INFO] running `Command { std: "docker" "start" "-a" "f8320da9bd0e2e0f82fb1d2b5ee15244d3dfbad197fa8e59cbdbe885f4e82ee1", kill_on_drop: false }`
[INFO] [stderr]    Compiling reverse_collatz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "f8320da9bd0e2e0f82fb1d2b5ee15244d3dfbad197fa8e59cbdbe885f4e82ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8320da9bd0e2e0f82fb1d2b5ee15244d3dfbad197fa8e59cbdbe885f4e82ee1", kill_on_drop: false }`
[INFO] [stdout] f8320da9bd0e2e0f82fb1d2b5ee15244d3dfbad197fa8e59cbdbe885f4e82ee1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] 9ca6fbfe05f8aabfd801a7da32239ad4e7dc4da8a1f82b0f228ec8400f7dd897
[INFO] running `Command { std: "docker" "start" "-a" "9ca6fbfe05f8aabfd801a7da32239ad4e7dc4da8a1f82b0f228ec8400f7dd897", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.59s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/reverse_collatz-8e462b8db6fdbfe9)
[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" "9ca6fbfe05f8aabfd801a7da32239ad4e7dc4da8a1f82b0f228ec8400f7dd897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ca6fbfe05f8aabfd801a7da32239ad4e7dc4da8a1f82b0f228ec8400f7dd897", kill_on_drop: false }`
[INFO] [stdout] 9ca6fbfe05f8aabfd801a7da32239ad4e7dc4da8a1f82b0f228ec8400f7dd897