[INFO] cloning repository https://github.com/bernardobelchior/monty-hall-problem-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bernardobelchior/monty-hall-problem-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbernardobelchior%2Fmonty-hall-problem-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbernardobelchior%2Fmonty-hall-problem-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 711991c4c874cf2dd83ca13aba0ccbea931f6cbc
[INFO] testing bernardobelchior/monty-hall-problem-rs 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%2Fbernardobelchior%2Fmonty-hall-problem-rs" "/workspace/builds/worker-55/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-55/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bernardobelchior/monty-hall-problem-rs 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/bernardobelchior/monty-hall-problem-rs
[INFO] finished tweaking git repo https://github.com/bernardobelchior/monty-hall-problem-rs
[INFO] tweaked toml for git repo https://github.com/bernardobelchior/monty-hall-problem-rs written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate git repo https://github.com/bernardobelchior/monty-hall-problem-rs 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-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] e89289ea35f81cf95ecc42a585c54776c70ccb14ec2cbf71d9df3708ec7cd0ae
[INFO] running `Command { std: "docker" "start" "-a" "e89289ea35f81cf95ecc42a585c54776c70ccb14ec2cbf71d9df3708ec7cd0ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e89289ea35f81cf95ecc42a585c54776c70ccb14ec2cbf71d9df3708ec7cd0ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e89289ea35f81cf95ecc42a585c54776c70ccb14ec2cbf71d9df3708ec7cd0ae", kill_on_drop: false }`
[INFO] [stdout] e89289ea35f81cf95ecc42a585c54776c70ccb14ec2cbf71d9df3708ec7cd0ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 9a6b5c2681ecb9b34da06c778b7627653831882413d512ae01ecf3916aaf02a9
[INFO] running `Command { std: "docker" "start" "-a" "9a6b5c2681ecb9b34da06c778b7627653831882413d512ae01ecf3916aaf02a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.30
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling semasio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.44s
[INFO] running `Command { std: "docker" "inspect" "9a6b5c2681ecb9b34da06c778b7627653831882413d512ae01ecf3916aaf02a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a6b5c2681ecb9b34da06c778b7627653831882413d512ae01ecf3916aaf02a9", kill_on_drop: false }`
[INFO] [stdout] 9a6b5c2681ecb9b34da06c778b7627653831882413d512ae01ecf3916aaf02a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] c736889f4fe5c0f5051f5367b6676a4a258ad3e5a5b51ee4dcbd4690e6e29969
[INFO] running `Command { std: "docker" "start" "-a" "c736889f4fe5c0f5051f5367b6676a4a258ad3e5a5b51ee4dcbd4690e6e29969", kill_on_drop: false }`
[INFO] [stderr]    Compiling semasio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "c736889f4fe5c0f5051f5367b6676a4a258ad3e5a5b51ee4dcbd4690e6e29969", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c736889f4fe5c0f5051f5367b6676a4a258ad3e5a5b51ee4dcbd4690e6e29969", kill_on_drop: false }`
[INFO] [stdout] c736889f4fe5c0f5051f5367b6676a4a258ad3e5a5b51ee4dcbd4690e6e29969
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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] 217693a9b1051f54bea922ec6a17559326532ee6698f738d71fd4c75986d36b5
[INFO] running `Command { std: "docker" "start" "-a" "217693a9b1051f54bea922ec6a17559326532ee6698f738d71fd4c75986d36b5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/semasio-f20caf1e436d62a7)
[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" "217693a9b1051f54bea922ec6a17559326532ee6698f738d71fd4c75986d36b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "217693a9b1051f54bea922ec6a17559326532ee6698f738d71fd4c75986d36b5", kill_on_drop: false }`
[INFO] [stdout] 217693a9b1051f54bea922ec6a17559326532ee6698f738d71fd4c75986d36b5