[INFO] cloning repository https://github.com/aidanplunkitt/rust-book-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aidanplunkitt/rust-book-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faidanplunkitt%2Frust-book-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faidanplunkitt%2Frust-book-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1555f962ac93218a08fbc6cd27d8f89c05ef5ab8
[INFO] testing aidanplunkitt/rust-book-example against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faidanplunkitt%2Frust-book-example" "/workspace/builds/worker-102/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-102/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aidanplunkitt/rust-book-example 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/aidanplunkitt/rust-book-example
[INFO] finished tweaking git repo https://github.com/aidanplunkitt/rust-book-example
[INFO] tweaked toml for git repo https://github.com/aidanplunkitt/rust-book-example written to /workspace/builds/worker-102/source/Cargo.toml
[INFO] crate git repo https://github.com/aidanplunkitt/rust-book-example 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] [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-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] f449df52e0f946d4c22c857df61a74d152e7317912ab860070625d68498e860f
[INFO] running `Command { std: "docker" "start" "-a" "f449df52e0f946d4c22c857df61a74d152e7317912ab860070625d68498e860f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f449df52e0f946d4c22c857df61a74d152e7317912ab860070625d68498e860f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f449df52e0f946d4c22c857df61a74d152e7317912ab860070625d68498e860f", kill_on_drop: false }`
[INFO] [stdout] f449df52e0f946d4c22c857df61a74d152e7317912ab860070625d68498e860f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 1a4f05fecccfa57281d53b6f2da8f4a71a46154489b78be6d844c235f0c585c0
[INFO] running `Command { std: "docker" "start" "-a" "1a4f05fecccfa57281d53b6f2da8f4a71a46154489b78be6d844c235f0c585c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.32
[INFO] [stderr]    Compiling rand v0.3.17
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.44s
[INFO] running `Command { std: "docker" "inspect" "1a4f05fecccfa57281d53b6f2da8f4a71a46154489b78be6d844c235f0c585c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a4f05fecccfa57281d53b6f2da8f4a71a46154489b78be6d844c235f0c585c0", kill_on_drop: false }`
[INFO] [stdout] 1a4f05fecccfa57281d53b6f2da8f4a71a46154489b78be6d844c235f0c585c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] b161ba193bb03fd2b3338cd0ef285db61bdcad99242cd024186f59febcb83f33
[INFO] running `Command { std: "docker" "start" "-a" "b161ba193bb03fd2b3338cd0ef285db61bdcad99242cd024186f59febcb83f33", 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 1.33s
[INFO] running `Command { std: "docker" "inspect" "b161ba193bb03fd2b3338cd0ef285db61bdcad99242cd024186f59febcb83f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b161ba193bb03fd2b3338cd0ef285db61bdcad99242cd024186f59febcb83f33", kill_on_drop: false }`
[INFO] [stdout] b161ba193bb03fd2b3338cd0ef285db61bdcad99242cd024186f59febcb83f33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 1b4e7bed4efa0cb4d73821fc66394d23f94746d98fea50160dd3032e84fce65d
[INFO] running `Command { std: "docker" "start" "-a" "1b4e7bed4efa0cb4d73821fc66394d23f94746d98fea50160dd3032e84fce65d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-e3d308df3aa31d2f)
[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" "1b4e7bed4efa0cb4d73821fc66394d23f94746d98fea50160dd3032e84fce65d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b4e7bed4efa0cb4d73821fc66394d23f94746d98fea50160dd3032e84fce65d", kill_on_drop: false }`
[INFO] [stdout] 1b4e7bed4efa0cb4d73821fc66394d23f94746d98fea50160dd3032e84fce65d