[INFO] fetching crate stepper-driver 0.1.0...
[INFO] building stepper-driver-0.1.0 against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] extracting crate stepper-driver 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate stepper-driver 0.1.0 on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stepper-driver 0.1.0
[INFO] finished tweaking crates.io crate stepper-driver 0.1.0
[INFO] tweaked toml for crates.io crate stepper-driver 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6e5aba6bf55c96fe6a87b9820da08a2f62e536f5e6775897690b55b50d40406
[INFO] running `Command { std: "docker" "start" "-a" "d6e5aba6bf55c96fe6a87b9820da08a2f62e536f5e6775897690b55b50d40406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6e5aba6bf55c96fe6a87b9820da08a2f62e536f5e6775897690b55b50d40406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6e5aba6bf55c96fe6a87b9820da08a2f62e536f5e6775897690b55b50d40406", kill_on_drop: false }`
[INFO] [stdout] d6e5aba6bf55c96fe6a87b9820da08a2f62e536f5e6775897690b55b50d40406
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44c8203c6dba099f540cbba170e98d7b6b3289c511c67d66a47c9ec30198f724
[INFO] running `Command { std: "docker" "start" "-a" "44c8203c6dba099f540cbba170e98d7b6b3289c511c67d66a47c9ec30198f724", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling embedded-hal v0.1.3
[INFO] [stderr]    Compiling stepper-driver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "44c8203c6dba099f540cbba170e98d7b6b3289c511c67d66a47c9ec30198f724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44c8203c6dba099f540cbba170e98d7b6b3289c511c67d66a47c9ec30198f724", kill_on_drop: false }`
[INFO] [stdout] 44c8203c6dba099f540cbba170e98d7b6b3289c511c67d66a47c9ec30198f724
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 593d591c2801c8c8ed1f998ea8141cff9e825048148dfa76c73d1c4e8019525c
[INFO] running `Command { std: "docker" "start" "-a" "593d591c2801c8c8ed1f998ea8141cff9e825048148dfa76c73d1c4e8019525c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stepper-driver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/stepper_driver-13a72523849bcdee)
[INFO] running `Command { std: "docker" "inspect" "593d591c2801c8c8ed1f998ea8141cff9e825048148dfa76c73d1c4e8019525c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "593d591c2801c8c8ed1f998ea8141cff9e825048148dfa76c73d1c4e8019525c", kill_on_drop: false }`
[INFO] [stdout] 593d591c2801c8c8ed1f998ea8141cff9e825048148dfa76c73d1c4e8019525c