[INFO] fetching crate evcxr_jupyter 0.9.0...
[INFO] checking evcxr_jupyter-0.9.0 against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] extracting crate evcxr_jupyter 0.9.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate evcxr_jupyter 0.9.0 on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate evcxr_jupyter 0.9.0
[INFO] finished tweaking crates.io crate evcxr_jupyter 0.9.0
[INFO] tweaked toml for crates.io crate evcxr_jupyter 0.9.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate evcxr_jupyter 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ad0521b0738daf311f8f92f567bde7ea9765309241e91e32d1cb3d01eacc345
[INFO] running `Command { std: "docker" "start" "-a" "6ad0521b0738daf311f8f92f567bde7ea9765309241e91e32d1cb3d01eacc345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ad0521b0738daf311f8f92f567bde7ea9765309241e91e32d1cb3d01eacc345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ad0521b0738daf311f8f92f567bde7ea9765309241e91e32d1cb3d01eacc345", kill_on_drop: false }`
[INFO] [stdout] 6ad0521b0738daf311f8f92f567bde7ea9765309241e91e32d1cb3d01eacc345
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0fb4adc3cabd25b7a84b80dd128c7b5dfbcfc8afa788364f512a734a06bf1af
[INFO] running `Command { std: "docker" "start" "-a" "c0fb4adc3cabd25b7a84b80dd128c7b5dfbcfc8afa788364f512a734a06bf1af", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling fst v0.4.5
[INFO] [stderr]     Checking ra_ap_la-arena v0.0.45
[INFO] [stderr]     Checking ra_ap_paths v0.0.45
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking cov-mark v1.1.0
[INFO] [stderr]     Checking arrayvec v0.6.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking dissimilar v1.0.2
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling camino v1.0.4
[INFO] [stderr]    Compiling snap v1.0.4
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking jod-thread v0.1.2
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking evcxr_input v1.0.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking rustc-ap-rustc_lexer v710.0.0
[INFO] [stderr]     Checking ra_ap_text_edit v0.0.45
[INFO] [stderr]     Checking lock_api v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking ra_ap_parser v0.0.45
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking ra_ap_toolchain v0.0.45
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking perf-event-open-sys v1.0.1
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking which v4.1.0
[INFO] [stderr]     Checking sig v1.0.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]    Compiling zeromq-src v0.1.10+4.3.2
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking inotify v0.9.2
[INFO] [stderr]     Checking always-assert v0.1.2
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking perf-event v0.4.6
[INFO] [stderr]     Checking ra_ap_stdx v0.0.45
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking ra_ap_vfs v0.0.45
[INFO] [stderr]     Checking countme v2.0.4
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking notify v5.0.0-pre.6
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]     Checking ra_ap_profile v0.0.45
[INFO] [stderr]     Checking rowan v0.13.0-pre.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking ra_ap_test_utils v0.0.45
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking ra_ap_vfs-notify v0.0.45
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking pulldown-cmark-to-cmark v6.0.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking idna v0.2.2
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling salsa-macros v0.16.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling chalk-derive v0.60.0
[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-1.0.125/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=a11803cc94dad38d -C extra-filename=-a11803cc94dad38d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-eadab0c611d04674.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-784a93889a1f4ca7.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-60d1c7e7c2ee7cd4.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" "c0fb4adc3cabd25b7a84b80dd128c7b5dfbcfc8afa788364f512a734a06bf1af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0fb4adc3cabd25b7a84b80dd128c7b5dfbcfc8afa788364f512a734a06bf1af", kill_on_drop: false }`
[INFO] [stdout] c0fb4adc3cabd25b7a84b80dd128c7b5dfbcfc8afa788364f512a734a06bf1af