[INFO] cloning repository https://github.com/jdhorwitz/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/jdhorwitz/rust_guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdhorwitz%2Frust_guessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdhorwitz%2Frust_guessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 266bc7bae279718be58baacd8ced5aeb376d427e
[INFO] testing jdhorwitz/rust_guessing_game against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjdhorwitz%2Frust_guessing_game" "/workspace/builds/worker-110/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-110/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jdhorwitz/rust_guessing_game on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jdhorwitz/rust_guessing_game
[INFO] finished tweaking git repo https://github.com/jdhorwitz/rust_guessing_game
[INFO] tweaked toml for git repo https://github.com/jdhorwitz/rust_guessing_game written to /workspace/builds/worker-110/source/Cargo.toml
[INFO] crate git repo https://github.com/jdhorwitz/rust_guessing_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 822fe44feeebbdb37c675791d98580b1e85c956ded64407924812fc7a62df0aa
[INFO] running `Command { std: "docker" "start" "-a" "822fe44feeebbdb37c675791d98580b1e85c956ded64407924812fc7a62df0aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "822fe44feeebbdb37c675791d98580b1e85c956ded64407924812fc7a62df0aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "822fe44feeebbdb37c675791d98580b1e85c956ded64407924812fc7a62df0aa", kill_on_drop: false }`
[INFO] [stdout] 822fe44feeebbdb37c675791d98580b1e85c956ded64407924812fc7a62df0aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f33ede92aa1ff1115cfc1fa654ce4e0e4dbe9ca98a470eb92ff73c6f4666e88
[INFO] running `Command { std: "docker" "start" "-a" "9f33ede92aa1ff1115cfc1fa654ce4e0e4dbe9ca98a470eb92ff73c6f4666e88", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.19
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.09s
[INFO] running `Command { std: "docker" "inspect" "9f33ede92aa1ff1115cfc1fa654ce4e0e4dbe9ca98a470eb92ff73c6f4666e88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f33ede92aa1ff1115cfc1fa654ce4e0e4dbe9ca98a470eb92ff73c6f4666e88", kill_on_drop: false }`
[INFO] [stdout] 9f33ede92aa1ff1115cfc1fa654ce4e0e4dbe9ca98a470eb92ff73c6f4666e88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df691725cd648de24792e05debb3f4d82bf28e59aba7757c0e198473708d4507
[INFO] running `Command { std: "docker" "start" "-a" "df691725cd648de24792e05debb3f4d82bf28e59aba7757c0e198473708d4507", 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 3.86s
[INFO] running `Command { std: "docker" "inspect" "df691725cd648de24792e05debb3f4d82bf28e59aba7757c0e198473708d4507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df691725cd648de24792e05debb3f4d82bf28e59aba7757c0e198473708d4507", kill_on_drop: false }`
[INFO] [stdout] df691725cd648de24792e05debb3f4d82bf28e59aba7757c0e198473708d4507
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6a3a67a89cd70572acb43089f57d75a0e5344f41b33ed36b837a5c271636ddb4
[INFO] running `Command { std: "docker" "start" "-a" "6a3a67a89cd70572acb43089f57d75a0e5344f41b33ed36b837a5c271636ddb4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-3b3077658a12be86)
[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" "6a3a67a89cd70572acb43089f57d75a0e5344f41b33ed36b837a5c271636ddb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3a67a89cd70572acb43089f57d75a0e5344f41b33ed36b837a5c271636ddb4", kill_on_drop: false }`
[INFO] [stdout] 6a3a67a89cd70572acb43089f57d75a0e5344f41b33ed36b837a5c271636ddb4