[INFO] cloning repository https://github.com/benfjohnson/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/benfjohnson/rust_guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenfjohnson%2Frust_guessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenfjohnson%2Frust_guessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1b080b6f2d8a6fbfc44fa6929613ce2c9a58c9a
[INFO] testing benfjohnson/rust_guessing_game against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenfjohnson%2Frust_guessing_game" "/workspace/builds/worker-21/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benfjohnson/rust_guessing_game on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/benfjohnson/rust_guessing_game
[INFO] finished tweaking git repo https://github.com/benfjohnson/rust_guessing_game
[INFO] tweaked toml for git repo https://github.com/benfjohnson/rust_guessing_game written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate git repo https://github.com/benfjohnson/rust_guessing_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14430f826cc306be1073353bc58baee313569fac51a29295f6853df6d7f9827c
[INFO] running `Command { std: "docker" "start" "-a" "14430f826cc306be1073353bc58baee313569fac51a29295f6853df6d7f9827c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14430f826cc306be1073353bc58baee313569fac51a29295f6853df6d7f9827c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14430f826cc306be1073353bc58baee313569fac51a29295f6853df6d7f9827c", kill_on_drop: false }`
[INFO] [stdout] 14430f826cc306be1073353bc58baee313569fac51a29295f6853df6d7f9827c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5daceeb2cd5de690fba5ab32cfa84ecb5e7cc91285dd1a27974e0a6de163d14
[INFO] running `Command { std: "docker" "start" "-a" "a5daceeb2cd5de690fba5ab32cfa84ecb5e7cc91285dd1a27974e0a6de163d14", 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 2.04s
[INFO] running `Command { std: "docker" "inspect" "a5daceeb2cd5de690fba5ab32cfa84ecb5e7cc91285dd1a27974e0a6de163d14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5daceeb2cd5de690fba5ab32cfa84ecb5e7cc91285dd1a27974e0a6de163d14", kill_on_drop: false }`
[INFO] [stdout] a5daceeb2cd5de690fba5ab32cfa84ecb5e7cc91285dd1a27974e0a6de163d14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb6e6cec6f0bdef973c018b7b97b94ad9423bd79977304014ddff8b78dd15e2c
[INFO] running `Command { std: "docker" "start" "-a" "bb6e6cec6f0bdef973c018b7b97b94ad9423bd79977304014ddff8b78dd15e2c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "bb6e6cec6f0bdef973c018b7b97b94ad9423bd79977304014ddff8b78dd15e2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb6e6cec6f0bdef973c018b7b97b94ad9423bd79977304014ddff8b78dd15e2c", kill_on_drop: false }`
[INFO] [stdout] bb6e6cec6f0bdef973c018b7b97b94ad9423bd79977304014ddff8b78dd15e2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 95ac5c6c11df4fa2ad6b3b4ce29a45cb1a1a0546492774d57d75859a17eeb48a
[INFO] running `Command { std: "docker" "start" "-a" "95ac5c6c11df4fa2ad6b3b4ce29a45cb1a1a0546492774d57d75859a17eeb48a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-d832facc9a0a97f0)
[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" "95ac5c6c11df4fa2ad6b3b4ce29a45cb1a1a0546492774d57d75859a17eeb48a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95ac5c6c11df4fa2ad6b3b4ce29a45cb1a1a0546492774d57d75859a17eeb48a", kill_on_drop: false }`
[INFO] [stdout] 95ac5c6c11df4fa2ad6b3b4ce29a45cb1a1a0546492774d57d75859a17eeb48a