[INFO] cloning repository https://github.com/mfdorst/combinatorics_birthdays
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mfdorst/combinatorics_birthdays" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfdorst%2Fcombinatorics_birthdays", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfdorst%2Fcombinatorics_birthdays'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58a8bdcfd4e319cf13583ce7600c82d5b41a8742
[INFO] testing mfdorst/combinatorics_birthdays against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfdorst%2Fcombinatorics_birthdays" "/workspace/builds/worker-76/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-76/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mfdorst/combinatorics_birthdays on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mfdorst/combinatorics_birthdays
[INFO] finished tweaking git repo https://github.com/mfdorst/combinatorics_birthdays
[INFO] tweaked toml for git repo https://github.com/mfdorst/combinatorics_birthdays written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate git repo https://github.com/mfdorst/combinatorics_birthdays already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c54762ad5147fcb7d16320eb1654bbfc513489f0b72fe2554d835521e420150
[INFO] running `Command { std: "docker" "start" "-a" "1c54762ad5147fcb7d16320eb1654bbfc513489f0b72fe2554d835521e420150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c54762ad5147fcb7d16320eb1654bbfc513489f0b72fe2554d835521e420150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c54762ad5147fcb7d16320eb1654bbfc513489f0b72fe2554d835521e420150", kill_on_drop: false }`
[INFO] [stdout] 1c54762ad5147fcb7d16320eb1654bbfc513489f0b72fe2554d835521e420150
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36a5a38b51d0731cf60b1f19652836a26b9b8bc064d897f3569ca3f190d31fc1
[INFO] running `Command { std: "docker" "start" "-a" "36a5a38b51d0731cf60b1f19652836a26b9b8bc064d897f3569ca3f190d31fc1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling overlapping_birthdays v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "36a5a38b51d0731cf60b1f19652836a26b9b8bc064d897f3569ca3f190d31fc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36a5a38b51d0731cf60b1f19652836a26b9b8bc064d897f3569ca3f190d31fc1", kill_on_drop: false }`
[INFO] [stdout] 36a5a38b51d0731cf60b1f19652836a26b9b8bc064d897f3569ca3f190d31fc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] daa70504e13fcb7ed96421d46cc0656545572326c88a91c7e9f0f5e0514d50a8
[INFO] running `Command { std: "docker" "start" "-a" "daa70504e13fcb7ed96421d46cc0656545572326c88a91c7e9f0f5e0514d50a8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling overlapping_birthdays v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "daa70504e13fcb7ed96421d46cc0656545572326c88a91c7e9f0f5e0514d50a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daa70504e13fcb7ed96421d46cc0656545572326c88a91c7e9f0f5e0514d50a8", kill_on_drop: false }`
[INFO] [stdout] daa70504e13fcb7ed96421d46cc0656545572326c88a91c7e9f0f5e0514d50a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 43f2475f500125e02f81e84d0fe396344692ee05399956005c0ad9af18bad302
[INFO] running `Command { std: "docker" "start" "-a" "43f2475f500125e02f81e84d0fe396344692ee05399956005c0ad9af18bad302", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.63s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/overlapping_birthdays-9c183b88e54c8c01)
[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" "43f2475f500125e02f81e84d0fe396344692ee05399956005c0ad9af18bad302", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43f2475f500125e02f81e84d0fe396344692ee05399956005c0ad9af18bad302", kill_on_drop: false }`
[INFO] [stdout] 43f2475f500125e02f81e84d0fe396344692ee05399956005c0ad9af18bad302