[INFO] cloning repository https://github.com/yangtopia/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/yangtopia/guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyangtopia%2Fguessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyangtopia%2Fguessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d571cd036845e0d7c015ade03a43678eeda4bf7
[INFO] testing yangtopia/guessing_game against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyangtopia%2Fguessing_game" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yangtopia/guessing_game on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yangtopia/guessing_game
[INFO] finished tweaking git repo https://github.com/yangtopia/guessing_game
[INFO] tweaked toml for git repo https://github.com/yangtopia/guessing_game written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/yangtopia/guessing_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85dae4ed0dd5f1cede42cca1b170df8f45e8cc91315dd3b2cd7399b35cf66f60
[INFO] running `Command { std: "docker" "start" "-a" "85dae4ed0dd5f1cede42cca1b170df8f45e8cc91315dd3b2cd7399b35cf66f60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85dae4ed0dd5f1cede42cca1b170df8f45e8cc91315dd3b2cd7399b35cf66f60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85dae4ed0dd5f1cede42cca1b170df8f45e8cc91315dd3b2cd7399b35cf66f60", kill_on_drop: false }`
[INFO] [stdout] 85dae4ed0dd5f1cede42cca1b170df8f45e8cc91315dd3b2cd7399b35cf66f60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0f356615d8d0f974c0e873942e62078c47edaecc320635a7b023ef6ddf8ab8b
[INFO] running `Command { std: "docker" "start" "-a" "f0f356615d8d0f974c0e873942e62078c47edaecc320635a7b023ef6ddf8ab8b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling rustfmt v0.10.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling extprim v1.7.1
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling strings v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling syntex_pos v0.59.1
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling syntex_errors v0.59.1
[INFO] [stderr]    Compiling syntex_syntax v0.59.1
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.95s
[INFO] running `Command { std: "docker" "inspect" "f0f356615d8d0f974c0e873942e62078c47edaecc320635a7b023ef6ddf8ab8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f356615d8d0f974c0e873942e62078c47edaecc320635a7b023ef6ddf8ab8b", kill_on_drop: false }`
[INFO] [stdout] f0f356615d8d0f974c0e873942e62078c47edaecc320635a7b023ef6ddf8ab8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfdac9e0f57378dbf73b4f398ccf7ff3d2c2c8acb70ddbcd4cce03eeccd6c187
[INFO] running `Command { std: "docker" "start" "-a" "cfdac9e0f57378dbf73b4f398ccf7ff3d2c2c8acb70ddbcd4cce03eeccd6c187", 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 0.57s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_game-9b4209b3cf3b4aeb)
[INFO] running `Command { std: "docker" "inspect" "cfdac9e0f57378dbf73b4f398ccf7ff3d2c2c8acb70ddbcd4cce03eeccd6c187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfdac9e0f57378dbf73b4f398ccf7ff3d2c2c8acb70ddbcd4cce03eeccd6c187", kill_on_drop: false }`
[INFO] [stdout] cfdac9e0f57378dbf73b4f398ccf7ff3d2c2c8acb70ddbcd4cce03eeccd6c187
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 070f9879471e68f6b0591816004a80b1745b1952942e83e99648c31940697954
[INFO] running `Command { std: "docker" "start" "-a" "070f9879471e68f6b0591816004a80b1745b1952942e83e99648c31940697954", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_game-9b4209b3cf3b4aeb)
[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" "070f9879471e68f6b0591816004a80b1745b1952942e83e99648c31940697954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "070f9879471e68f6b0591816004a80b1745b1952942e83e99648c31940697954", kill_on_drop: false }`
[INFO] [stdout] 070f9879471e68f6b0591816004a80b1745b1952942e83e99648c31940697954