[INFO] fetching crate evcxr_jupyter 0.11.0...
[INFO] testing evcxr_jupyter-0.11.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate evcxr_jupyter 0.11.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate evcxr_jupyter 0.11.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-13/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" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crypto-mac v0.10.1
[INFO] [stderr]   Downloaded zmq-sys v0.11.0
[INFO] [stderr]   Downloaded zeromq-src v0.1.10+4.3.2
[INFO] [stderr]   Downloaded metadeps v1.1.2
[INFO] [stderr]   Downloaded zmq v0.9.2
[INFO] [stderr]   Downloaded toml v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab108cd3a79386c995e10f3ed2b79dceff21a2b76c61f9f43c609966b6d8783a
[INFO] running `Command { std: "docker" "start" "-a" "ab108cd3a79386c995e10f3ed2b79dceff21a2b76c61f9f43c609966b6d8783a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab108cd3a79386c995e10f3ed2b79dceff21a2b76c61f9f43c609966b6d8783a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab108cd3a79386c995e10f3ed2b79dceff21a2b76c61f9f43c609966b6d8783a", kill_on_drop: false }`
[INFO] [stdout] ab108cd3a79386c995e10f3ed2b79dceff21a2b76c61f9f43c609966b6d8783a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f42676e1022c57abbdf0f2bc2519ea86b3f962b4bd250d58a0dcbdc8e99233d6
[INFO] running `Command { std: "docker" "start" "-a" "f42676e1022c57abbdf0f2bc2519ea86b3f962b4bd250d58a0dcbdc8e99233d6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling text-size v1.1.0
[INFO] [stderr]    Compiling ra_ap_la-arena v0.0.66
[INFO] [stderr]    Compiling fst v0.4.7
[INFO] [stderr]    Compiling drop_bomb v0.1.5
[INFO] [stderr]    Compiling arrayvec v0.7.1
[INFO] [stderr]    Compiling cov-mark v2.0.0-pre.1
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling ra_ap_limit v0.0.66
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[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]    Compiling anyhow v1.0.42
[INFO] [stderr]    Compiling jod-thread v0.1.2
[INFO] [stderr]    Compiling dot v0.1.4
[INFO] [stderr]    Compiling zmq v0.9.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling evcxr_input v1.0.0
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling rustc-ap-rustc_lexer v725.0.0
[INFO] [stderr]    Compiling expect-test v1.1.0
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling ra_ap_toolchain v0.0.66
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling perf-event-open-sys v1.0.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling memmap2 v0.3.0
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling which v4.1.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling sig v1.0.0
[INFO] [stderr]    Compiling always-assert v0.1.2
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling object v0.25.3
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling ra_ap_parser v0.0.66
[INFO] [stderr]    Compiling perf-event v0.4.7
[INFO] [stderr]    Compiling ra_ap_text_edit v0.0.66
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling metadeps v1.1.2
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling ra_ap_stdx v0.0.66
[INFO] [stderr]    Compiling crypto-mac v0.10.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling inotify v0.9.3
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling zeromq-src v0.1.10+4.3.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling countme v2.0.4
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling notify v5.0.0-pre.11
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling ra_ap_profile v0.0.66
[INFO] [stderr]    Compiling rowan v0.13.0-pre.7
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling zmq-sys v0.11.0
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.22
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling pulldown-cmark-to-cmark v6.0.2
[INFO] [stderr]    Compiling ra_ap_test_utils v0.0.66
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling mimalloc v0.1.26
[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 tracing-attributes v0.1.15
[INFO] [stderr]    Compiling chalk-derive v0.69.0
[INFO] [stderr]    Compiling chalk-ir v0.69.0
[INFO] [stderr]    Compiling salsa v0.17.0-pre.1
[INFO] [stderr]    Compiling tracing v0.1.26
[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=c109c8f6a7f0609d -C extra-filename=-c109c8f6a7f0609d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-7fd25c3770c30c44.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-4f2ff32975dd8b04.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-3c00b959750c9924.rlib --extern proc_macro --cap-lints allow --cap-lints=warn --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" "f42676e1022c57abbdf0f2bc2519ea86b3f962b4bd250d58a0dcbdc8e99233d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f42676e1022c57abbdf0f2bc2519ea86b3f962b4bd250d58a0dcbdc8e99233d6", kill_on_drop: false }`
[INFO] [stdout] f42676e1022c57abbdf0f2bc2519ea86b3f962b4bd250d58a0dcbdc8e99233d6