[INFO] cloning repository https://github.com/laurasimmons30/rust-guessing-game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/laurasimmons30/rust-guessing-game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaurasimmons30%2Frust-guessing-game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaurasimmons30%2Frust-guessing-game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccb5c0b03305021a14a28c098e9ad704de7c1e89
[INFO] testing laurasimmons30/rust-guessing-game against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaurasimmons30%2Frust-guessing-game" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/laurasimmons30/rust-guessing-game 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/laurasimmons30/rust-guessing-game
[INFO] finished tweaking git repo https://github.com/laurasimmons30/rust-guessing-game
[INFO] tweaked toml for git repo https://github.com/laurasimmons30/rust-guessing-game written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/laurasimmons30/rust-guessing-game 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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 89087fb3f9c4eb7a7a245079444333ac64e5ca45739f04a5fab0b6b14b47eead
[INFO] running `Command { std: "docker" "start" "-a" "89087fb3f9c4eb7a7a245079444333ac64e5ca45739f04a5fab0b6b14b47eead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89087fb3f9c4eb7a7a245079444333ac64e5ca45739f04a5fab0b6b14b47eead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89087fb3f9c4eb7a7a245079444333ac64e5ca45739f04a5fab0b6b14b47eead", kill_on_drop: false }`
[INFO] [stdout] 89087fb3f9c4eb7a7a245079444333ac64e5ca45739f04a5fab0b6b14b47eead
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 428604f9f10134fd27f5cdd5ba9451ef4f03b7465ad800053ef219ac50b158b9
[INFO] running `Command { std: "docker" "start" "-a" "428604f9f10134fd27f5cdd5ba9451ef4f03b7465ad800053ef219ac50b158b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.15
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `Command { std: "docker" "inspect" "428604f9f10134fd27f5cdd5ba9451ef4f03b7465ad800053ef219ac50b158b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "428604f9f10134fd27f5cdd5ba9451ef4f03b7465ad800053ef219ac50b158b9", kill_on_drop: false }`
[INFO] [stdout] 428604f9f10134fd27f5cdd5ba9451ef4f03b7465ad800053ef219ac50b158b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 125b7ba7e2344f4a2db4efdd4d5e4f26e99da287601d45375f62917c142ff387
[INFO] running `Command { std: "docker" "start" "-a" "125b7ba7e2344f4a2db4efdd4d5e4f26e99da287601d45375f62917c142ff387", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "125b7ba7e2344f4a2db4efdd4d5e4f26e99da287601d45375f62917c142ff387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "125b7ba7e2344f4a2db4efdd4d5e4f26e99da287601d45375f62917c142ff387", kill_on_drop: false }`
[INFO] [stdout] 125b7ba7e2344f4a2db4efdd4d5e4f26e99da287601d45375f62917c142ff387
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] d8c64ab3f7341e44e263ad6728fea8991fe066d45211a2c02b12632254a5da43
[INFO] running `Command { std: "docker" "start" "-a" "d8c64ab3f7341e44e263ad6728fea8991fe066d45211a2c02b12632254a5da43", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-a1a60e267e67ef24)
[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" "d8c64ab3f7341e44e263ad6728fea8991fe066d45211a2c02b12632254a5da43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8c64ab3f7341e44e263ad6728fea8991fe066d45211a2c02b12632254a5da43", kill_on_drop: false }`
[INFO] [stdout] d8c64ab3f7341e44e263ad6728fea8991fe066d45211a2c02b12632254a5da43