[INFO] cloning repository https://github.com/o-xian999/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/o-xian999/rust-guessing-game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fo-xian999%2Frust-guessing-game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fo-xian999%2Frust-guessing-game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e858b939951cd2ba5c54a8e84309fdb329cacf4
[INFO] testing o-xian999/rust-guessing-game against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fo-xian999%2Frust-guessing-game" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/o-xian999/rust-guessing-game 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/o-xian999/rust-guessing-game
[INFO] finished tweaking git repo https://github.com/o-xian999/rust-guessing-game
[INFO] tweaked toml for git repo https://github.com/o-xian999/rust-guessing-game written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/o-xian999/rust-guessing-game 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 99df0f40eb50befaa7c079192cc8ffbfb928a29bd62822e618d7d8cbeb1e46ff
[INFO] running `Command { std: "docker" "start" "-a" "99df0f40eb50befaa7c079192cc8ffbfb928a29bd62822e618d7d8cbeb1e46ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99df0f40eb50befaa7c079192cc8ffbfb928a29bd62822e618d7d8cbeb1e46ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99df0f40eb50befaa7c079192cc8ffbfb928a29bd62822e618d7d8cbeb1e46ff", kill_on_drop: false }`
[INFO] [stdout] 99df0f40eb50befaa7c079192cc8ffbfb928a29bd62822e618d7d8cbeb1e46ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f7b2bad9d0d27d54d482cb7a01c7eaf1a517239f21e6ed3a9fa791d31852df81
[INFO] running `Command { std: "docker" "start" "-a" "f7b2bad9d0d27d54d482cb7a01c7eaf1a517239f21e6ed3a9fa791d31852df81", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[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 8.38s
[INFO] running `Command { std: "docker" "inspect" "f7b2bad9d0d27d54d482cb7a01c7eaf1a517239f21e6ed3a9fa791d31852df81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7b2bad9d0d27d54d482cb7a01c7eaf1a517239f21e6ed3a9fa791d31852df81", kill_on_drop: false }`
[INFO] [stdout] f7b2bad9d0d27d54d482cb7a01c7eaf1a517239f21e6ed3a9fa791d31852df81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1f7e834c41c8ec983dfd3a470dca5407fedeb0479bee6dd278bda8084d32de57
[INFO] running `Command { std: "docker" "start" "-a" "1f7e834c41c8ec983dfd3a470dca5407fedeb0479bee6dd278bda8084d32de57", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "1f7e834c41c8ec983dfd3a470dca5407fedeb0479bee6dd278bda8084d32de57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f7e834c41c8ec983dfd3a470dca5407fedeb0479bee6dd278bda8084d32de57", kill_on_drop: false }`
[INFO] [stdout] 1f7e834c41c8ec983dfd3a470dca5407fedeb0479bee6dd278bda8084d32de57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1e65e4b73cf874e46db7abe91bf5c872409f49c0d2b9740d6e2812dcf88d0bc6
[INFO] running `Command { std: "docker" "start" "-a" "1e65e4b73cf874e46db7abe91bf5c872409f49c0d2b9740d6e2812dcf88d0bc6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-32ea638c261c14cc)
[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" "1e65e4b73cf874e46db7abe91bf5c872409f49c0d2b9740d6e2812dcf88d0bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e65e4b73cf874e46db7abe91bf5c872409f49c0d2b9740d6e2812dcf88d0bc6", kill_on_drop: false }`
[INFO] [stdout] 1e65e4b73cf874e46db7abe91bf5c872409f49c0d2b9740d6e2812dcf88d0bc6