[INFO] fetching crate degauss 0.1.6...
[INFO] checking degauss-0.1.6 against try#77ee4623672f6bca3e33ba60b6479de48d44b1f9 for pr-99217
[INFO] extracting crate degauss 0.1.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate degauss 0.1.6 on toolchain 77ee4623672f6bca3e33ba60b6479de48d44b1f9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate degauss 0.1.6
[INFO] finished tweaking crates.io crate degauss 0.1.6
[INFO] tweaked toml for crates.io crate degauss 0.1.6 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate degauss 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83e7918f243d4df50db7b92e82b355765f8aa30849d72439e0ca86c4f0a79d46
[INFO] running `Command { std: "docker" "start" "-a" "83e7918f243d4df50db7b92e82b355765f8aa30849d72439e0ca86c4f0a79d46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83e7918f243d4df50db7b92e82b355765f8aa30849d72439e0ca86c4f0a79d46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83e7918f243d4df50db7b92e82b355765f8aa30849d72439e0ca86c4f0a79d46", kill_on_drop: false }`
[INFO] [stdout] 83e7918f243d4df50db7b92e82b355765f8aa30849d72439e0ca86c4f0a79d46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+77ee4623672f6bca3e33ba60b6479de48d44b1f9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37684c7c52a818922973c621ec628bf4b2a27ec90a1a55b8fe5115d843b61746
[INFO] running `Command { std: "docker" "start" "-a" "37684c7c52a818922973c621ec628bf4b2a27ec90a1a55b8fe5115d843b61746", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]    Compiling encoding_rs v0.8.29
[INFO] [stderr]    Compiling curl v0.4.41
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking paw-raw v1.0.0
[INFO] [stderr]    Compiling isahc v1.6.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking castaway v0.1.1
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling openssl-src v300.0.2+3.0.0
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking libflate_lz77 v1.1.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.7+1.45.0
[INFO] [stderr]    Compiling curl-sys v0.4.51+curl-7.80.0
[INFO] [stderr]    Compiling openssl-sys v0.9.71
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking sluice v0.5.5
[INFO] [stderr]     Checking libflate v1.1.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking polling v2.2.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking crossterm v0.20.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]    Compiling paw-attributes v1.0.2
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling strum_macros v0.22.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]    Compiling typed-builder v0.5.1
[INFO] [stderr]     Checking paw v1.0.0
[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-1.0.130/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=b519a14ec929e104 -C extra-filename=-b519a14ec929e104 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-5562ae05e003b0a1.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-3b172002d0fab3d4.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-2e38c14c9bcf7ef0.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid --cfg underscore_consts --cfg ptr_addr_of` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "37684c7c52a818922973c621ec628bf4b2a27ec90a1a55b8fe5115d843b61746", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37684c7c52a818922973c621ec628bf4b2a27ec90a1a55b8fe5115d843b61746", kill_on_drop: false }`
[INFO] [stdout] 37684c7c52a818922973c621ec628bf4b2a27ec90a1a55b8fe5115d843b61746