[INFO] cloning repository https://github.com/ameliorater/rust-mastermind
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ameliorater/rust-mastermind" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fameliorater%2Frust-mastermind", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fameliorater%2Frust-mastermind'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17e1e76c9acaae39c16fef7db02336d123929f23
[INFO] testing ameliorater/rust-mastermind against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fameliorater%2Frust-mastermind" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ameliorater/rust-mastermind 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/ameliorater/rust-mastermind
[INFO] finished tweaking git repo https://github.com/ameliorater/rust-mastermind
[INFO] tweaked toml for git repo https://github.com/ameliorater/rust-mastermind written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/ameliorater/rust-mastermind 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d4484fc2f0e97aeb6e29a1a268fd309b9a01c77fadfa2133c60afcde7a57aead
[INFO] running `Command { std: "docker" "start" "-a" "d4484fc2f0e97aeb6e29a1a268fd309b9a01c77fadfa2133c60afcde7a57aead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4484fc2f0e97aeb6e29a1a268fd309b9a01c77fadfa2133c60afcde7a57aead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4484fc2f0e97aeb6e29a1a268fd309b9a01c77fadfa2133c60afcde7a57aead", kill_on_drop: false }`
[INFO] [stdout] d4484fc2f0e97aeb6e29a1a268fd309b9a01c77fadfa2133c60afcde7a57aead
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] e1eca4b651545feb7aabdd6daf7c521641b76b5cf7684c671bf025b3b24317d2
[INFO] running `Command { std: "docker" "start" "-a" "e1eca4b651545feb7aabdd6daf7c521641b76b5cf7684c671bf025b3b24317d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling rust-mastermind v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.39s
[INFO] running `Command { std: "docker" "inspect" "e1eca4b651545feb7aabdd6daf7c521641b76b5cf7684c671bf025b3b24317d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1eca4b651545feb7aabdd6daf7c521641b76b5cf7684c671bf025b3b24317d2", kill_on_drop: false }`
[INFO] [stdout] e1eca4b651545feb7aabdd6daf7c521641b76b5cf7684c671bf025b3b24317d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 73deabeed6a04fada7abafe37b97ef2882da2c368f6a133961ff376284924cb7
[INFO] running `Command { std: "docker" "start" "-a" "73deabeed6a04fada7abafe37b97ef2882da2c368f6a133961ff376284924cb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-mastermind v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "73deabeed6a04fada7abafe37b97ef2882da2c368f6a133961ff376284924cb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73deabeed6a04fada7abafe37b97ef2882da2c368f6a133961ff376284924cb7", kill_on_drop: false }`
[INFO] [stdout] 73deabeed6a04fada7abafe37b97ef2882da2c368f6a133961ff376284924cb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] a5e9e8d3d3df23279ef26ad476f984298b3d427e704a10bb0b6afad92b731be5
[INFO] running `Command { std: "docker" "start" "-a" "a5e9e8d3d3df23279ef26ad476f984298b3d427e704a10bb0b6afad92b731be5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_mastermind-703fb126f6611428)
[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" "a5e9e8d3d3df23279ef26ad476f984298b3d427e704a10bb0b6afad92b731be5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5e9e8d3d3df23279ef26ad476f984298b3d427e704a10bb0b6afad92b731be5", kill_on_drop: false }`
[INFO] [stdout] a5e9e8d3d3df23279ef26ad476f984298b3d427e704a10bb0b6afad92b731be5