[INFO] fetching crate scalc 0.2.1...
[INFO] testing scalc-0.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate scalc 0.2.1 into /workspace/builds/worker-71/source
[INFO] validating manifest of crates.io crate scalc 0.2.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scalc 0.2.1
[INFO] finished tweaking crates.io crate scalc 0.2.1
[INFO] tweaked toml for crates.io crate scalc 0.2.1 written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56fc121615e9ee219474d227bd7d96995db0255456979a76b6bf5f0f1ccd8ae3
[INFO] running `Command { std: "docker" "start" "-a" "56fc121615e9ee219474d227bd7d96995db0255456979a76b6bf5f0f1ccd8ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56fc121615e9ee219474d227bd7d96995db0255456979a76b6bf5f0f1ccd8ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56fc121615e9ee219474d227bd7d96995db0255456979a76b6bf5f0f1ccd8ae3", kill_on_drop: false }`
[INFO] [stdout] 56fc121615e9ee219474d227bd7d96995db0255456979a76b6bf5f0f1ccd8ae3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0ee08cbde01634ec59fea19bcfc8e077f181a29dab86cf283020b5ab5017f79
[INFO] running `Command { std: "docker" "start" "-a" "f0ee08cbde01634ec59fea19bcfc8e077f181a29dab86cf283020b5ab5017f79", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling paste v0.1.18
[INFO] [stderr]    Compiling scalc v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.83s
[INFO] running `Command { std: "docker" "inspect" "f0ee08cbde01634ec59fea19bcfc8e077f181a29dab86cf283020b5ab5017f79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0ee08cbde01634ec59fea19bcfc8e077f181a29dab86cf283020b5ab5017f79", kill_on_drop: false }`
[INFO] [stdout] f0ee08cbde01634ec59fea19bcfc8e077f181a29dab86cf283020b5ab5017f79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2520671533c19f4cdab41622c5f398a479ee17d8eac299573659bf9acbfbf045
[INFO] running `Command { std: "docker" "start" "-a" "2520671533c19f4cdab41622c5f398a479ee17d8eac299573659bf9acbfbf045", 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 scalc v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.75s
[INFO] running `Command { std: "docker" "inspect" "2520671533c19f4cdab41622c5f398a479ee17d8eac299573659bf9acbfbf045", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2520671533c19f4cdab41622c5f398a479ee17d8eac299573659bf9acbfbf045", kill_on_drop: false }`
[INFO] [stdout] 2520671533c19f4cdab41622c5f398a479ee17d8eac299573659bf9acbfbf045
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 741182835edc56bfc527d28e538569837188d123374980b246b5dfe28ea5324e
[INFO] running `Command { std: "docker" "start" "-a" "741182835edc56bfc527d28e538569837188d123374980b246b5dfe28ea5324e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/scalc-f69bb1f8bab02a96)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::overflow_add ... ok
[INFO] [stdout] test tests::test_fromstr ... ok
[INFO] [stdout] test tests::overflow_mul ... ok
[INFO] [stdout] test tests::overflow_sub ... ok
[INFO] [stdout] test tests::overflow_abs ... ok
[INFO] [stdout] test tests::overflow_div ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scalc
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "741182835edc56bfc527d28e538569837188d123374980b246b5dfe28ea5324e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "741182835edc56bfc527d28e538569837188d123374980b246b5dfe28ea5324e", kill_on_drop: false }`
[INFO] [stdout] 741182835edc56bfc527d28e538569837188d123374980b246b5dfe28ea5324e