[INFO] fetching crate stepper 0.5.0...
[INFO] testing stepper-0.5.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate stepper 0.5.0 into /workspace/builds/worker-45/source
[INFO] validating manifest of crates.io crate stepper 0.5.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-45/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9301daee9d0902e120a3005eb7910c71bfa171e5c9d5a6da534709389356c6e6
[INFO] running `Command { std: "docker" "start" "-a" "9301daee9d0902e120a3005eb7910c71bfa171e5c9d5a6da534709389356c6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9301daee9d0902e120a3005eb7910c71bfa171e5c9d5a6da534709389356c6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9301daee9d0902e120a3005eb7910c71bfa171e5c9d5a6da534709389356c6e6", kill_on_drop: false }`
[INFO] [stdout] 9301daee9d0902e120a3005eb7910c71bfa171e5c9d5a6da534709389356c6e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2c5aa92c5a101936f4a3b93ce8b38e387228e4fce7ea2b2e5ba6a0337ab00ce
[INFO] running `Command { std: "docker" "start" "-a" "c2c5aa92c5a101936f4a3b93ce8b38e387228e4fce7ea2b2e5ba6a0337ab00ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling az v1.2.0
[INFO] [stderr]    Compiling fixed v1.13.0
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling bytemuck v1.7.3
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling paste v1.0.6
[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-rational v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling integer-sqrt v0.1.5
[INFO] [stderr]    Compiling num-complex v0.3.1
[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 17.54s
[INFO] running `Command { std: "docker" "inspect" "c2c5aa92c5a101936f4a3b93ce8b38e387228e4fce7ea2b2e5ba6a0337ab00ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2c5aa92c5a101936f4a3b93ce8b38e387228e4fce7ea2b2e5ba6a0337ab00ce", kill_on_drop: false }`
[INFO] [stdout] c2c5aa92c5a101936f4a3b93ce8b38e387228e4fce7ea2b2e5ba6a0337ab00ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47c566a08cefd28ab71c42dfb9d5178ac9954d164fa3a961ef525d49bf8ba8fe
[INFO] running `Command { std: "docker" "start" "-a" "47c566a08cefd28ab71c42dfb9d5178ac9954d164fa3a961ef525d49bf8ba8fe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stepper v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "47c566a08cefd28ab71c42dfb9d5178ac9954d164fa3a961ef525d49bf8ba8fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47c566a08cefd28ab71c42dfb9d5178ac9954d164fa3a961ef525d49bf8ba8fe", kill_on_drop: false }`
[INFO] [stdout] 47c566a08cefd28ab71c42dfb9d5178ac9954d164fa3a961ef525d49bf8ba8fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e11563a0ae2f0cf44d682a80973a5e00e9883a3c986eded6db1408fc3b066ae6
[INFO] running `Command { std: "docker" "start" "-a" "e11563a0ae2f0cf44d682a80973a5e00e9883a3c986eded6db1408fc3b066ae6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.28s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stepper-2b0fd4fea2f2d309)
[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_provide_iterator_over_modes ... ok
[INFO] [stdout] test step_mode::tests::step_mode_should_convert_into_microsteps_per_step ... 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] [stderr] warning: lint `broken_intra_doc_links` has been renamed to `rustdoc::broken_intra_doc_links`
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:163:23
[INFO] [stderr]     |
[INFO] [stderr] 163 | #![deny(missing_docs, broken_intra_doc_links)]
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::broken_intra_doc_links`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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 0.56s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e11563a0ae2f0cf44d682a80973a5e00e9883a3c986eded6db1408fc3b066ae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e11563a0ae2f0cf44d682a80973a5e00e9883a3c986eded6db1408fc3b066ae6", kill_on_drop: false }`
[INFO] [stdout] e11563a0ae2f0cf44d682a80973a5e00e9883a3c986eded6db1408fc3b066ae6