[INFO] cloning repository https://github.com/arvindh-manian/guessing_game_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arvindh-manian/guessing_game_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farvindh-manian%2Fguessing_game_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farvindh-manian%2Fguessing_game_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cfcb4fcd337f53e9ae5c53f9a52ed9c8ff0a3f31
[INFO] testing arvindh-manian/guessing_game_rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farvindh-manian%2Fguessing_game_rust" "/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/arvindh-manian/guessing_game_rust 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/arvindh-manian/guessing_game_rust
[INFO] finished tweaking git repo https://github.com/arvindh-manian/guessing_game_rust
[INFO] tweaked toml for git repo https://github.com/arvindh-manian/guessing_game_rust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/arvindh-manian/guessing_game_rust 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] 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] 5ab04f335a4b85293ee63eb802846e8e62d11b61eaf83843b7fef8d7a2ceaf54
[INFO] running `Command { std: "docker" "start" "-a" "5ab04f335a4b85293ee63eb802846e8e62d11b61eaf83843b7fef8d7a2ceaf54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ab04f335a4b85293ee63eb802846e8e62d11b61eaf83843b7fef8d7a2ceaf54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ab04f335a4b85293ee63eb802846e8e62d11b61eaf83843b7fef8d7a2ceaf54", kill_on_drop: false }`
[INFO] [stdout] 5ab04f335a4b85293ee63eb802846e8e62d11b61eaf83843b7fef8d7a2ceaf54
[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] 34bd615040ec93e647ec9c1fd34978706053c05eef2ffb4d0508a591f03dcc6d
[INFO] running `Command { std: "docker" "start" "-a" "34bd615040ec93e647ec9c1fd34978706053c05eef2ffb4d0508a591f03dcc6d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.98s
[INFO] running `Command { std: "docker" "inspect" "34bd615040ec93e647ec9c1fd34978706053c05eef2ffb4d0508a591f03dcc6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34bd615040ec93e647ec9c1fd34978706053c05eef2ffb4d0508a591f03dcc6d", kill_on_drop: false }`
[INFO] [stdout] 34bd615040ec93e647ec9c1fd34978706053c05eef2ffb4d0508a591f03dcc6d
[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] 2eab3c8092a0309d848a6444ce29cebe6f5784263b0d7cf1f7e4e4616cff414b
[INFO] running `Command { std: "docker" "start" "-a" "2eab3c8092a0309d848a6444ce29cebe6f5784263b0d7cf1f7e4e4616cff414b", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "2eab3c8092a0309d848a6444ce29cebe6f5784263b0d7cf1f7e4e4616cff414b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eab3c8092a0309d848a6444ce29cebe6f5784263b0d7cf1f7e4e4616cff414b", kill_on_drop: false }`
[INFO] [stdout] 2eab3c8092a0309d848a6444ce29cebe6f5784263b0d7cf1f7e4e4616cff414b
[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] 5f571d4c9c74afad373d3ecc8c266251f0921ae1c63a9905a1e329e790e917e2
[INFO] running `Command { std: "docker" "start" "-a" "5f571d4c9c74afad373d3ecc8c266251f0921ae1c63a9905a1e329e790e917e2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-2753e2bad297fa64)
[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" "5f571d4c9c74afad373d3ecc8c266251f0921ae1c63a9905a1e329e790e917e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f571d4c9c74afad373d3ecc8c266251f0921ae1c63a9905a1e329e790e917e2", kill_on_drop: false }`
[INFO] [stdout] 5f571d4c9c74afad373d3ecc8c266251f0921ae1c63a9905a1e329e790e917e2