[INFO] cloning repository https://github.com/ocecaco/token-borrowing-machine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ocecaco/token-borrowing-machine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Focecaco%2Ftoken-borrowing-machine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Focecaco%2Ftoken-borrowing-machine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 895310ea9d8b659de1a206d620b92545f74a9979
[INFO] testing ocecaco/token-borrowing-machine against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Focecaco%2Ftoken-borrowing-machine" "/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/ocecaco/token-borrowing-machine 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/ocecaco/token-borrowing-machine
[INFO] finished tweaking git repo https://github.com/ocecaco/token-borrowing-machine
[INFO] tweaked toml for git repo https://github.com/ocecaco/token-borrowing-machine written to /workspace/builds/worker-110/source/Cargo.toml
[INFO] crate git repo https://github.com/ocecaco/token-borrowing-machine 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] 4621280a0462243a5be048b691ff7d98003ed210add14d2719cbe9bc3f72c266
[INFO] running `Command { std: "docker" "start" "-a" "4621280a0462243a5be048b691ff7d98003ed210add14d2719cbe9bc3f72c266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4621280a0462243a5be048b691ff7d98003ed210add14d2719cbe9bc3f72c266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4621280a0462243a5be048b691ff7d98003ed210add14d2719cbe9bc3f72c266", kill_on_drop: false }`
[INFO] [stdout] 4621280a0462243a5be048b691ff7d98003ed210add14d2719cbe9bc3f72c266
[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] 71e01640d3bc3024ec6dbf6d31c20c722b6565ccf023761f15a00ea9cca75dd0
[INFO] running `Command { std: "docker" "start" "-a" "71e01640d3bc3024ec6dbf6d31c20c722b6565ccf023761f15a00ea9cca75dd0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling token-borrowing-machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.63s
[INFO] running `Command { std: "docker" "inspect" "71e01640d3bc3024ec6dbf6d31c20c722b6565ccf023761f15a00ea9cca75dd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71e01640d3bc3024ec6dbf6d31c20c722b6565ccf023761f15a00ea9cca75dd0", kill_on_drop: false }`
[INFO] [stdout] 71e01640d3bc3024ec6dbf6d31c20c722b6565ccf023761f15a00ea9cca75dd0
[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] 7ab81968f83086176a701358e6b1043487cec16cc0410077ad6a23ce9361c528
[INFO] running `Command { std: "docker" "start" "-a" "7ab81968f83086176a701358e6b1043487cec16cc0410077ad6a23ce9361c528", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling token-borrowing-machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "7ab81968f83086176a701358e6b1043487cec16cc0410077ad6a23ce9361c528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ab81968f83086176a701358e6b1043487cec16cc0410077ad6a23ce9361c528", kill_on_drop: false }`
[INFO] [stdout] 7ab81968f83086176a701358e6b1043487cec16cc0410077ad6a23ce9361c528
[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] 7219704937d10500bd4011135046bfa544f274c7a7a65ca6f5d23cbd6b31b2bb
[INFO] running `Command { std: "docker" "start" "-a" "7219704937d10500bd4011135046bfa544f274c7a7a65ca6f5d23cbd6b31b2bb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/token_borrowing_machine-2eff3c8bdfa5f419)
[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" "7219704937d10500bd4011135046bfa544f274c7a7a65ca6f5d23cbd6b31b2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7219704937d10500bd4011135046bfa544f274c7a7a65ca6f5d23cbd6b31b2bb", kill_on_drop: false }`
[INFO] [stdout] 7219704937d10500bd4011135046bfa544f274c7a7a65ca6f5d23cbd6b31b2bb