[INFO] fetching crate evcxr_jupyter 0.11.0...
[INFO] checking evcxr_jupyter-0.11.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate evcxr_jupyter 0.11.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate evcxr_jupyter 0.11.0 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate evcxr_jupyter 0.11.0
[INFO] finished tweaking crates.io crate evcxr_jupyter 0.11.0
[INFO] tweaked toml for crates.io crate evcxr_jupyter 0.11.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate evcxr_jupyter 0.11.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b76a46382754c9daa0d1ca65acf6fe99d398e780e155ac4b7ce197f7da8f4d5
[INFO] running `Command { std: "docker" "start" "-a" "5b76a46382754c9daa0d1ca65acf6fe99d398e780e155ac4b7ce197f7da8f4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b76a46382754c9daa0d1ca65acf6fe99d398e780e155ac4b7ce197f7da8f4d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b76a46382754c9daa0d1ca65acf6fe99d398e780e155ac4b7ce197f7da8f4d5", kill_on_drop: false }`
[INFO] [stdout] 5b76a46382754c9daa0d1ca65acf6fe99d398e780e155ac4b7ce197f7da8f4d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ebf7df51b9c27a6ff16fee7f2b4567d3cac6e21b00bb02838186c1bd528aa53
[INFO] running `Command { std: "docker" "start" "-a" "2ebf7df51b9c27a6ff16fee7f2b4567d3cac6e21b00bb02838186c1bd528aa53", 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]    Compiling libc v0.2.98
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling fst v0.4.7
[INFO] [stderr]     Checking ra_ap_la-arena v0.0.66
[INFO] [stderr]     Checking drop_bomb v0.1.5
[INFO] [stderr]     Checking cov-mark v2.0.0-pre.1
[INFO] [stderr]     Checking dissimilar v1.0.2
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking ra_ap_limit v0.0.66
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling snap v1.0.5
[INFO] [stderr]    Compiling camino v1.0.4
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking jod-thread v0.1.2
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking dot v0.1.4
[INFO] [stderr]     Checking evcxr_input v1.0.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v725.0.0
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.22
[INFO] [stderr]    Compiling zeromq-src v0.1.10+4.3.2
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking ra_ap_text_edit v0.0.66
[INFO] [stderr]     Checking ra_ap_parser v0.0.66
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking expect-test v1.1.0
[INFO] [stderr]     Checking ra_ap_toolchain v0.0.66
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking always-assert v0.1.2
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking ra_ap_stdx v0.0.66
[INFO] [stderr]     Checking perf-event-open-sys v1.0.1
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking memmap2 v0.3.0
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking sig v1.0.0
[INFO] [stderr]     Checking which v4.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking inotify v0.9.3
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking pulldown-cmark v0.8.0
[INFO] [stderr]     Checking perf-event v0.4.7
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking notify v5.0.0-pre.11
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking mimalloc v0.1.26
[INFO] [stderr]     Checking countme v2.0.4
[INFO] [stderr]     Checking ra_ap_profile v0.0.66
[INFO] [stderr]     Checking rowan v0.13.0-pre.7
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]     Checking ra_ap_test_utils v0.0.66
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking pulldown-cmark-to-cmark v6.0.2
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling salsa-macros v0.17.0-pre.1
[INFO] [stderr]    Compiling chalk-derive v0.69.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]     Checking chalk-ir v0.69.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking salsa v0.17.0-pre.1
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.126/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=c0a9ebb1d39ac92e -C extra-filename=-c0a9ebb1d39ac92e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-72dd94e62781faf3.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-754b571958ad5368.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-7c8a09896a0f22e4.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid --cfg underscore_consts` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2ebf7df51b9c27a6ff16fee7f2b4567d3cac6e21b00bb02838186c1bd528aa53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ebf7df51b9c27a6ff16fee7f2b4567d3cac6e21b00bb02838186c1bd528aa53", kill_on_drop: false }`
[INFO] [stdout] 2ebf7df51b9c27a6ff16fee7f2b4567d3cac6e21b00bb02838186c1bd528aa53