[INFO] fetching crate guessing_game1234567 0.1.0...
[INFO] testing guessing_game1234567-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate guessing_game1234567 0.1.0 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate guessing_game1234567 0.1.0 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 crates.io crate guessing_game1234567 0.1.0
[INFO] finished tweaking crates.io crate guessing_game1234567 0.1.0
[INFO] tweaked toml for crates.io crate guessing_game1234567 0.1.0 written to /workspace/builds/worker-106/source/Cargo.toml
[INFO] crate crates.io crate guessing_game1234567 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 7e8ad627fa0614979e2604abdd2568f003a2cf0ddc04b44786e82aa53d2a1c63
[INFO] running `Command { std: "docker" "start" "-a" "7e8ad627fa0614979e2604abdd2568f003a2cf0ddc04b44786e82aa53d2a1c63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e8ad627fa0614979e2604abdd2568f003a2cf0ddc04b44786e82aa53d2a1c63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8ad627fa0614979e2604abdd2568f003a2cf0ddc04b44786e82aa53d2a1c63", kill_on_drop: false }`
[INFO] [stdout] 7e8ad627fa0614979e2604abdd2568f003a2cf0ddc04b44786e82aa53d2a1c63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 744acfd8f2ded2ef7e313bd2a4921964c6cce0875565bfc960167f668d375b18
[INFO] running `Command { std: "docker" "start" "-a" "744acfd8f2ded2ef7e313bd2a4921964c6cce0875565bfc960167f668d375b18", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling guessing_game1234567 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.39s
[INFO] running `Command { std: "docker" "inspect" "744acfd8f2ded2ef7e313bd2a4921964c6cce0875565bfc960167f668d375b18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "744acfd8f2ded2ef7e313bd2a4921964c6cce0875565bfc960167f668d375b18", kill_on_drop: false }`
[INFO] [stdout] 744acfd8f2ded2ef7e313bd2a4921964c6cce0875565bfc960167f668d375b18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 5f5009506e7f60e0c0423442b8c019586e95bd731bc33712d577a0a34079c45f
[INFO] running `Command { std: "docker" "start" "-a" "5f5009506e7f60e0c0423442b8c019586e95bd731bc33712d577a0a34079c45f", 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]    Compiling guessing_game1234567 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_game1234567-555e85b2df9ca40a)
[INFO] running `Command { std: "docker" "inspect" "5f5009506e7f60e0c0423442b8c019586e95bd731bc33712d577a0a34079c45f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f5009506e7f60e0c0423442b8c019586e95bd731bc33712d577a0a34079c45f", kill_on_drop: false }`
[INFO] [stdout] 5f5009506e7f60e0c0423442b8c019586e95bd731bc33712d577a0a34079c45f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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] 63ee6237c87be78411ba5efbfe47bcbe170ec4a70ecad8b4f5c6ff20ec4809eb
[INFO] running `Command { std: "docker" "start" "-a" "63ee6237c87be78411ba5efbfe47bcbe170ec4a70ecad8b4f5c6ff20ec4809eb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_game1234567-555e85b2df9ca40a)
[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" "63ee6237c87be78411ba5efbfe47bcbe170ec4a70ecad8b4f5c6ff20ec4809eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63ee6237c87be78411ba5efbfe47bcbe170ec4a70ecad8b4f5c6ff20ec4809eb", kill_on_drop: false }`
[INFO] [stdout] 63ee6237c87be78411ba5efbfe47bcbe170ec4a70ecad8b4f5c6ff20ec4809eb