[INFO] cloning repository https://github.com/rust-learning-examples/guess_number
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-learning-examples/guess_number" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-learning-examples%2Fguess_number", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-learning-examples%2Fguess_number'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 588d40174893f979d6fe21f65f2bfa0429155cee
[INFO] testing rust-learning-examples/guess_number against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-learning-examples%2Fguess_number" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-learning-examples/guess_number 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/rust-learning-examples/guess_number
[INFO] finished tweaking git repo https://github.com/rust-learning-examples/guess_number
[INFO] tweaked toml for git repo https://github.com/rust-learning-examples/guess_number written to /workspace/builds/worker-23/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-learning-examples/guess_number 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-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] a30dc74cf3f86dc8ce060b823d3dddd75ed5940c5db4a25440074bf4f8d70dba
[INFO] running `Command { std: "docker" "start" "-a" "a30dc74cf3f86dc8ce060b823d3dddd75ed5940c5db4a25440074bf4f8d70dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a30dc74cf3f86dc8ce060b823d3dddd75ed5940c5db4a25440074bf4f8d70dba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a30dc74cf3f86dc8ce060b823d3dddd75ed5940c5db4a25440074bf4f8d70dba", kill_on_drop: false }`
[INFO] [stdout] a30dc74cf3f86dc8ce060b823d3dddd75ed5940c5db4a25440074bf4f8d70dba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 2b4c44672323deb2ff677c801bc0199c923deace165fca9602b8cddaf3081798
[INFO] running `Command { std: "docker" "start" "-a" "2b4c44672323deb2ff677c801bc0199c923deace165fca9602b8cddaf3081798", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling guess_number v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.82s
[INFO] running `Command { std: "docker" "inspect" "2b4c44672323deb2ff677c801bc0199c923deace165fca9602b8cddaf3081798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b4c44672323deb2ff677c801bc0199c923deace165fca9602b8cddaf3081798", kill_on_drop: false }`
[INFO] [stdout] 2b4c44672323deb2ff677c801bc0199c923deace165fca9602b8cddaf3081798
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] adf83bb70e98f4a87127dbbdcac8dd0e69a01a566a954f9dc77cc82f2325aa63
[INFO] running `Command { std: "docker" "start" "-a" "adf83bb70e98f4a87127dbbdcac8dd0e69a01a566a954f9dc77cc82f2325aa63", kill_on_drop: false }`
[INFO] [stderr]    Compiling guess_number v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "adf83bb70e98f4a87127dbbdcac8dd0e69a01a566a954f9dc77cc82f2325aa63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adf83bb70e98f4a87127dbbdcac8dd0e69a01a566a954f9dc77cc82f2325aa63", kill_on_drop: false }`
[INFO] [stdout] adf83bb70e98f4a87127dbbdcac8dd0e69a01a566a954f9dc77cc82f2325aa63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 7894931c906b8bc6e0075c8a01abdfb72c50a2ae6a3f54cdeaab349582918f3f
[INFO] running `Command { std: "docker" "start" "-a" "7894931c906b8bc6e0075c8a01abdfb72c50a2ae6a3f54cdeaab349582918f3f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guess_number-5580d2c39135ad60)
[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" "7894931c906b8bc6e0075c8a01abdfb72c50a2ae6a3f54cdeaab349582918f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7894931c906b8bc6e0075c8a01abdfb72c50a2ae6a3f54cdeaab349582918f3f", kill_on_drop: false }`
[INFO] [stdout] 7894931c906b8bc6e0075c8a01abdfb72c50a2ae6a3f54cdeaab349582918f3f