[INFO] fetching crate guessing_game_2022_02_28 0.1.2...
[INFO] testing guessing_game_2022_02_28-0.1.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate guessing_game_2022_02_28 0.1.2 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate guessing_game_2022_02_28 0.1.2 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_game_2022_02_28 0.1.2
[INFO] finished tweaking crates.io crate guessing_game_2022_02_28 0.1.2
[INFO] tweaked toml for crates.io crate guessing_game_2022_02_28 0.1.2 written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] crate crates.io crate guessing_game_2022_02_28 0.1.2 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-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] bb5a8099b6db4d2c429b20227121aa2530b10cb9338e7a68f048fbd7882f75a5
[INFO] running `Command { std: "docker" "start" "-a" "bb5a8099b6db4d2c429b20227121aa2530b10cb9338e7a68f048fbd7882f75a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb5a8099b6db4d2c429b20227121aa2530b10cb9338e7a68f048fbd7882f75a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb5a8099b6db4d2c429b20227121aa2530b10cb9338e7a68f048fbd7882f75a5", kill_on_drop: false }`
[INFO] [stdout] bb5a8099b6db4d2c429b20227121aa2530b10cb9338e7a68f048fbd7882f75a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 20e224a1b9b71097d94696e74558519739857ea69512ddf76d1adf191636a583
[INFO] running `Command { std: "docker" "start" "-a" "20e224a1b9b71097d94696e74558519739857ea69512ddf76d1adf191636a583", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling guessing_game_2022_02_28 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.29s
[INFO] running `Command { std: "docker" "inspect" "20e224a1b9b71097d94696e74558519739857ea69512ddf76d1adf191636a583", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20e224a1b9b71097d94696e74558519739857ea69512ddf76d1adf191636a583", kill_on_drop: false }`
[INFO] [stdout] 20e224a1b9b71097d94696e74558519739857ea69512ddf76d1adf191636a583
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 9e25b4b7119f1e68dedd7b21f6084ad85385921854fba62f94715f7edf11fdb7
[INFO] running `Command { std: "docker" "start" "-a" "9e25b4b7119f1e68dedd7b21f6084ad85385921854fba62f94715f7edf11fdb7", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game_2022_02_28 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.43s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/guessing_game_2022_02_28-1b6c29f074ce3c24)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_game_2022_02_28-40fe8fcb460947f4)
[INFO] running `Command { std: "docker" "inspect" "9e25b4b7119f1e68dedd7b21f6084ad85385921854fba62f94715f7edf11fdb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e25b4b7119f1e68dedd7b21f6084ad85385921854fba62f94715f7edf11fdb7", kill_on_drop: false }`
[INFO] [stdout] 9e25b4b7119f1e68dedd7b21f6084ad85385921854fba62f94715f7edf11fdb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 49101605f5942411952e107e64e54d3004293dd8b0a23f4f094ea4b095a7fe22
[INFO] running `Command { std: "docker" "start" "-a" "49101605f5942411952e107e64e54d3004293dd8b0a23f4f094ea4b095a7fe22", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/guessing_game_2022_02_28-1b6c29f074ce3c24)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_game_2022_02_28-40fe8fcb460947f4)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] [stderr]    Doc-tests guessing_game_2022_02_28
[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" "49101605f5942411952e107e64e54d3004293dd8b0a23f4f094ea4b095a7fe22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49101605f5942411952e107e64e54d3004293dd8b0a23f4f094ea4b095a7fe22", kill_on_drop: false }`
[INFO] [stdout] 49101605f5942411952e107e64e54d3004293dd8b0a23f4f094ea4b095a7fe22