[INFO] cloning repository https://github.com/daiLlew/rust-tutorials
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daiLlew/rust-tutorials" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdaiLlew%2Frust-tutorials", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdaiLlew%2Frust-tutorials'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d983506aab774ba008428b690ff071c0b61a053
[INFO] testing daiLlew/rust-tutorials against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdaiLlew%2Frust-tutorials" "/workspace/builds/worker-96/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-96/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daiLlew/rust-tutorials 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/daiLlew/rust-tutorials
[INFO] finished tweaking git repo https://github.com/daiLlew/rust-tutorials
[INFO] tweaked toml for git repo https://github.com/daiLlew/rust-tutorials written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] crate git repo https://github.com/daiLlew/rust-tutorials 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-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 7e44a0bbf98a5525b10b32a1d4b0bf839e7d92a6e356a258f0d7a0a4d7b04989
[INFO] running `Command { std: "docker" "start" "-a" "7e44a0bbf98a5525b10b32a1d4b0bf839e7d92a6e356a258f0d7a0a4d7b04989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e44a0bbf98a5525b10b32a1d4b0bf839e7d92a6e356a258f0d7a0a4d7b04989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e44a0bbf98a5525b10b32a1d4b0bf839e7d92a6e356a258f0d7a0a4d7b04989", kill_on_drop: false }`
[INFO] [stdout] 7e44a0bbf98a5525b10b32a1d4b0bf839e7d92a6e356a258f0d7a0a4d7b04989
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 70486b6d11133930645ced4bfe59c607273c48e175275787d177b7dcd8f28e11
[INFO] running `Command { std: "docker" "start" "-a" "70486b6d11133930645ced4bfe59c607273c48e175275787d177b7dcd8f28e11", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.09s
[INFO] running `Command { std: "docker" "inspect" "70486b6d11133930645ced4bfe59c607273c48e175275787d177b7dcd8f28e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70486b6d11133930645ced4bfe59c607273c48e175275787d177b7dcd8f28e11", kill_on_drop: false }`
[INFO] [stdout] 70486b6d11133930645ced4bfe59c607273c48e175275787d177b7dcd8f28e11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] 9e98f7c76d8fb1fbb54222e0900d15188115d661ce3169d1619461bef6d14aba
[INFO] running `Command { std: "docker" "start" "-a" "9e98f7c76d8fb1fbb54222e0900d15188115d661ce3169d1619461bef6d14aba", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "9e98f7c76d8fb1fbb54222e0900d15188115d661ce3169d1619461bef6d14aba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e98f7c76d8fb1fbb54222e0900d15188115d661ce3169d1619461bef6d14aba", kill_on_drop: false }`
[INFO] [stdout] 9e98f7c76d8fb1fbb54222e0900d15188115d661ce3169d1619461bef6d14aba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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] ac7a3ba7c204fe1847fc87a5f633b0c29ccd429bc4dfbeac2123d27fc8cb9100
[INFO] running `Command { std: "docker" "start" "-a" "ac7a3ba7c204fe1847fc87a5f633b0c29ccd429bc4dfbeac2123d27fc8cb9100", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-c7e7c2d46185c607)
[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" "ac7a3ba7c204fe1847fc87a5f633b0c29ccd429bc4dfbeac2123d27fc8cb9100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac7a3ba7c204fe1847fc87a5f633b0c29ccd429bc4dfbeac2123d27fc8cb9100", kill_on_drop: false }`
[INFO] [stdout] ac7a3ba7c204fe1847fc87a5f633b0c29ccd429bc4dfbeac2123d27fc8cb9100