[INFO] fetching crate stepper 0.5.0...
[INFO] testing stepper-0.5.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate stepper 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate stepper 0.5.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stepper 0.5.0
[INFO] finished tweaking crates.io crate stepper 0.5.0
[INFO] tweaked toml for crates.io crate stepper 0.5.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 859811d0c6c258dee15385ec4a9ee55fc13c6cfe72762c721d1850c481c27c56
[INFO] running `Command { std: "docker" "start" "-a" "859811d0c6c258dee15385ec4a9ee55fc13c6cfe72762c721d1850c481c27c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "859811d0c6c258dee15385ec4a9ee55fc13c6cfe72762c721d1850c481c27c56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "859811d0c6c258dee15385ec4a9ee55fc13c6cfe72762c721d1850c481c27c56", kill_on_drop: false }`
[INFO] [stdout] 859811d0c6c258dee15385ec4a9ee55fc13c6cfe72762c721d1850c481c27c56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bd639398a420be097debd9ad7ff5c8c33c862518fa81bcd5f7f0f47605e406d
[INFO] running `Command { std: "docker" "start" "-a" "6bd639398a420be097debd9ad7ff5c8c33c862518fa81bcd5f7f0f47605e406d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling az v1.1.1
[INFO] [stderr]    Compiling fixed v1.9.0
[INFO] [stderr]    Compiling bytemuck v1.5.1
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling replace_with v0.1.7
[INFO] [stderr]    Compiling embedded-hal v1.0.0-alpha.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-complex v0.3.1
[INFO] [stderr]    Compiling integer-sqrt v0.1.5
[INFO] [stderr]    Compiling num v0.3.1
[INFO] [stderr]    Compiling embedded-time v0.10.1
[INFO] [stderr]    Compiling fixed-sqrt v0.2.4
[INFO] [stderr]    Compiling ramp-maker v0.2.0
[INFO] [stderr]    Compiling stepper v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.57s
[INFO] running `Command { std: "docker" "inspect" "6bd639398a420be097debd9ad7ff5c8c33c862518fa81bcd5f7f0f47605e406d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bd639398a420be097debd9ad7ff5c8c33c862518fa81bcd5f7f0f47605e406d", kill_on_drop: false }`
[INFO] [stdout] 6bd639398a420be097debd9ad7ff5c8c33c862518fa81bcd5f7f0f47605e406d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cfaf4d399cafa562a72a8320467701593024c71fe7be95eb90607b457597ecf
[INFO] running `Command { std: "docker" "start" "-a" "5cfaf4d399cafa562a72a8320467701593024c71fe7be95eb90607b457597ecf", kill_on_drop: false }`
[INFO] [stderr]    Compiling stepper v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "5cfaf4d399cafa562a72a8320467701593024c71fe7be95eb90607b457597ecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cfaf4d399cafa562a72a8320467701593024c71fe7be95eb90607b457597ecf", kill_on_drop: false }`
[INFO] [stdout] 5cfaf4d399cafa562a72a8320467701593024c71fe7be95eb90607b457597ecf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ee77c240d2435b88212cf671fe5384c33abbe954a6235f77ce2cbc3c7fa61760
[INFO] running `Command { std: "docker" "start" "-a" "ee77c240d2435b88212cf671fe5384c33abbe954a6235f77ce2cbc3c7fa61760", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stepper-0ec4caa848046ae5)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test step_mode::tests::step_mode_should_convert_from_microsteps_per_step ... ok
[INFO] [stdout] test step_mode::tests::step_mode_should_convert_into_microsteps_per_step ... ok
[INFO] [stdout] test step_mode::tests::step_mode_should_provide_iterator_over_modes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stepper
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ee77c240d2435b88212cf671fe5384c33abbe954a6235f77ce2cbc3c7fa61760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee77c240d2435b88212cf671fe5384c33abbe954a6235f77ce2cbc3c7fa61760", kill_on_drop: false }`
[INFO] [stdout] ee77c240d2435b88212cf671fe5384c33abbe954a6235f77ce2cbc3c7fa61760