[INFO] fetching crate scpi 0.4.1...
[INFO] testing scpi-0.4.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate scpi 0.4.1 into /workspace/builds/worker-96/source
[INFO] validating manifest of crates.io crate scpi 0.4.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scpi 0.4.1
[INFO] finished tweaking crates.io crate scpi 0.4.1
[INFO] tweaked toml for crates.io crate scpi 0.4.1 written to /workspace/builds/worker-96/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded uom v0.31.1
[INFO] [stderr]   Downloaded scpi_derive v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a1b085be1350fa198ac4118ab2cc3ba880c43ca6ce4ef388f01e7389727558d
[INFO] running `Command { std: "docker" "start" "-a" "8a1b085be1350fa198ac4118ab2cc3ba880c43ca6ce4ef388f01e7389727558d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a1b085be1350fa198ac4118ab2cc3ba880c43ca6ce4ef388f01e7389727558d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a1b085be1350fa198ac4118ab2cc3ba880c43ca6ce4ef388f01e7389727558d", kill_on_drop: false }`
[INFO] [stdout] 8a1b085be1350fa198ac4118ab2cc3ba880c43ca6ce4ef388f01e7389727558d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01e077bb32d59b5eec31e47e5e9dbee00d986f6193e9b18f2247b831e4563178
[INFO] running `Command { std: "docker" "start" "-a" "01e077bb32d59b5eec31e47e5e9dbee00d986f6193e9b18f2247b831e4563178", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling arrayvec v0.7.2
[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 quote v1.0.10
[INFO] [stderr]    Compiling uom v0.31.1
[INFO] [stderr]    Compiling scpi_derive v0.4.1
[INFO] [stderr] error: could not compile `uom`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name uom --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/uom-0.31.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="autoconvert"' --cfg 'feature="f32"' --cfg 'feature="f64"' --cfg 'feature="i16"' --cfg 'feature="i32"' --cfg 'feature="i64"' --cfg 'feature="i8"' --cfg 'feature="isize"' --cfg 'feature="num-rational"' --cfg 'feature="rational-support"' --cfg 'feature="si"' --cfg 'feature="try-from"' --cfg 'feature="u16"' --cfg 'feature="u32"' --cfg 'feature="u64"' --cfg 'feature="u8"' --cfg 'feature="usize"' -C metadata=fab68cc03f23e173 -C extra-filename=-fab68cc03f23e173 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-283f1825efba069d.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-adaf24e53b3fc4ba.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-a068e508627c4989.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "01e077bb32d59b5eec31e47e5e9dbee00d986f6193e9b18f2247b831e4563178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01e077bb32d59b5eec31e47e5e9dbee00d986f6193e9b18f2247b831e4563178", kill_on_drop: false }`
[INFO] [stdout] 01e077bb32d59b5eec31e47e5e9dbee00d986f6193e9b18f2247b831e4563178