[INFO] fetching crate IntegerScaling 1.3.2...
[INFO] testing IntegerScaling-1.3.2 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate IntegerScaling 1.3.2 into /workspace/builds/worker-107/source
[INFO] validating manifest of crates.io crate IntegerScaling 1.3.2 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 IntegerScaling 1.3.2
[INFO] finished tweaking crates.io crate IntegerScaling 1.3.2
[INFO] tweaked toml for crates.io crate IntegerScaling 1.3.2 written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 75b348c04f1366c1cd397f609a2fb40b0d42ef80a713c105b659b2ae18184fe7
[INFO] running `Command { std: "docker" "start" "-a" "75b348c04f1366c1cd397f609a2fb40b0d42ef80a713c105b659b2ae18184fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75b348c04f1366c1cd397f609a2fb40b0d42ef80a713c105b659b2ae18184fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75b348c04f1366c1cd397f609a2fb40b0d42ef80a713c105b659b2ae18184fe7", kill_on_drop: false }`
[INFO] [stdout] 75b348c04f1366c1cd397f609a2fb40b0d42ef80a713c105b659b2ae18184fe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 13448f35d83996d38a9bd60dc74e6462a1f15255d4bbba736fbb7e18106c1d08
[INFO] running `Command { std: "docker" "start" "-a" "13448f35d83996d38a9bd60dc74e6462a1f15255d4bbba736fbb7e18106c1d08", kill_on_drop: false }`
[INFO] [stderr]    Compiling IntegerScaling v1.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "13448f35d83996d38a9bd60dc74e6462a1f15255d4bbba736fbb7e18106c1d08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13448f35d83996d38a9bd60dc74e6462a1f15255d4bbba736fbb7e18106c1d08", kill_on_drop: false }`
[INFO] [stdout] 13448f35d83996d38a9bd60dc74e6462a1f15255d4bbba736fbb7e18106c1d08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] d695212fb1df8a7eda5ac6ff4ce3523940a33030f18aeecbcc3c51e49a467692
[INFO] running `Command { std: "docker" "start" "-a" "d695212fb1df8a7eda5ac6ff4ce3523940a33030f18aeecbcc3c51e49a467692", kill_on_drop: false }`
[INFO] [stderr]    Compiling IntegerScaling v1.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] [stderr]   Executable unittests src/IntegerScaling.rs (/opt/rustwide/target/debug/deps/IntegerScaling-5fd016feea89540c)
[INFO] running `Command { std: "docker" "inspect" "d695212fb1df8a7eda5ac6ff4ce3523940a33030f18aeecbcc3c51e49a467692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d695212fb1df8a7eda5ac6ff4ce3523940a33030f18aeecbcc3c51e49a467692", kill_on_drop: false }`
[INFO] [stdout] d695212fb1df8a7eda5ac6ff4ce3523940a33030f18aeecbcc3c51e49a467692
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 0a94003a90491138c929b97df007c2b86321afc0c6c345f93aedc77481a370e2
[INFO] running `Command { std: "docker" "start" "-a" "0a94003a90491138c929b97df007c2b86321afc0c6c345f93aedc77481a370e2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/IntegerScaling.rs (/opt/rustwide/target/debug/deps/IntegerScaling-5fd016feea89540c)
[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 IntegerScaling
[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" "0a94003a90491138c929b97df007c2b86321afc0c6c345f93aedc77481a370e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a94003a90491138c929b97df007c2b86321afc0c6c345f93aedc77481a370e2", kill_on_drop: false }`
[INFO] [stdout] 0a94003a90491138c929b97df007c2b86321afc0c6c345f93aedc77481a370e2