[INFO] fetching crate nu_plugin_dcm 0.1.8...
[INFO] testing nu_plugin_dcm-0.1.8 against master#159ba8a92c9e2fa4121f106176309521f4af87e9+rustflags=-Copt-level=3 for pr-107051
[INFO] extracting crate nu_plugin_dcm 0.1.8 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate nu_plugin_dcm 0.1.8 on toolchain 159ba8a92c9e2fa4121f106176309521f4af87e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nu_plugin_dcm 0.1.8
[INFO] finished tweaking crates.io crate nu_plugin_dcm 0.1.8
[INFO] tweaked toml for crates.io crate nu_plugin_dcm 0.1.8 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate nu_plugin_dcm 0.1.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byte-order v0.3.0
[INFO] [stderr]   Downloaded dicom-transfer-syntax-registry v0.5.0
[INFO] [stderr]   Downloaded sysinfo v0.25.3
[INFO] [stderr]   Downloaded nu-protocol v0.68.0
[INFO] [stderr]   Downloaded ndarray v0.15.6
[INFO] [stderr]   Downloaded dicom-ul v0.4.2
[INFO] [stderr]   Downloaded dicom v0.5.2
[INFO] [stderr]   Downloaded cstr_core v0.2.6
[INFO] [stderr]   Downloaded sys-locale v0.2.1
[INFO] [stderr]   Downloaded supports-color v1.3.0
[INFO] [stderr]   Downloaded noisy_float v0.2.0
[INFO] [stderr]   Downloaded miette-derive v5.3.0
[INFO] [stderr]   Downloaded ndarray-stats v0.5.1
[INFO] [stderr]   Downloaded miette v5.3.0
[INFO] [stderr]   Downloaded dicom-parser v0.5.1
[INFO] [stderr]   Downloaded nu-path v0.68.0
[INFO] [stderr]   Downloaded dicom-encoding v0.5.1
[INFO] [stderr]   Downloaded nu-json v0.68.0
[INFO] [stderr]   Downloaded nu-utils v0.68.0
[INFO] [stderr]   Downloaded dicom-core v0.5.1
[INFO] [stderr]   Downloaded nu-glob v0.68.0
[INFO] [stderr]   Downloaded nu-plugin v0.68.0
[INFO] [stderr]   Downloaded nu-engine v0.68.0
[INFO] [stderr]   Downloaded dicom-object v0.5.2
[INFO] [stderr]   Downloaded dicom-pixeldata v0.1.3
[INFO] [stderr]   Downloaded num-format v0.4.0
[INFO] [stderr]   Downloaded snafu v0.7.1
[INFO] [stderr]   Downloaded snafu-derive v0.7.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac4c8fe4dce4f3a44e89a602d13aded88004238d59af6c4ddd24fc151f4cd588
[INFO] running `Command { std: "docker" "start" "-a" "ac4c8fe4dce4f3a44e89a602d13aded88004238d59af6c4ddd24fc151f4cd588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac4c8fe4dce4f3a44e89a602d13aded88004238d59af6c4ddd24fc151f4cd588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac4c8fe4dce4f3a44e89a602d13aded88004238d59af6c4ddd24fc151f4cd588", kill_on_drop: false }`
[INFO] [stdout] ac4c8fe4dce4f3a44e89a602d13aded88004238d59af6c4ddd24fc151f4cd588
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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 -Copt-level=3" "-e" "RUSTDOCFLAGS=--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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+159ba8a92c9e2fa4121f106176309521f4af87e9" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 112c2d984abe8f0aedeb604ef07cd112be74fb5ed80d6408e04369fc8b5bec78
[INFO] running `Command { std: "docker" "start" "-a" "112c2d984abe8f0aedeb604ef07cd112be74fb5ed80d6408e04369fc8b5bec78", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling once_cell v1.14.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling iana-time-zone v0.1.47
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling miniz_oxide v0.5.4
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling safe-transmute v0.11.2
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling byteordered v0.6.0
[INFO] [stderr]    Compiling tracing-core v0.1.29
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling mio v0.8.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling erased-serde v0.3.23
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling gimli v0.26.2
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling crossterm v0.24.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling flate2 v1.0.24
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling object v0.29.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling smawk v0.3.1
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling is_ci v1.1.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling num-format v0.4.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling supports-color v1.3.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.99/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=d0d401f3a47d324a -C extra-filename=-d0d401f3a47d324a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0975f7164c8c3ab4.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-967674c9b7b1b4f6.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b56236affa4c1d72.rmeta --cap-lints allow --cap-lints=forbid -Copt-level=3` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "112c2d984abe8f0aedeb604ef07cd112be74fb5ed80d6408e04369fc8b5bec78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "112c2d984abe8f0aedeb604ef07cd112be74fb5ed80d6408e04369fc8b5bec78", kill_on_drop: false }`
[INFO] [stdout] 112c2d984abe8f0aedeb604ef07cd112be74fb5ed80d6408e04369fc8b5bec78