[INFO] crate romy 0.2.0 is already in cache
[INFO] checking romy-0.2.0 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate romy 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate romy 0.2.0 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate romy 0.2.0
[INFO] finished tweaking crates.io crate romy 0.2.0
[INFO] tweaked toml for crates.io crate romy 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate romy 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7668f7b86c78b34dfff68433dedde190b8d9c793df1d1e69f8fba58ecb44823e
[INFO] running `"docker" "start" "-a" "7668f7b86c78b34dfff68433dedde190b8d9c793df1d1e69f8fba58ecb44823e"`
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling cranelift-entity v0.44.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.44.0
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling constant_time_eq v0.1.4
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking sample v0.10.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking hibitset v0.6.2
[INFO] [stderr]     Checking blake2b_simd v0.5.9
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking page_size v0.4.2
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking alsa-sys v0.1.2
[INFO] [stderr]     Checking x11 v2.18.1
[INFO] [stderr]     Checking x11-dl v2.18.4
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking png v0.15.2
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking cranelift-bforest v0.44.0
[INFO] [stderr]     Checking mut_static v5.0.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.44.0
[INFO] [stderr]     Checking gfx-hal v0.4.1
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking ash v0.29.0
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking zerocopy v0.2.8
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling wasmer-runtime-core v0.12.0
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking wayland-client v0.23.6
[INFO] [stderr]     Checking thiserror v1.0.9
[INFO] [stderr]     Checking cpal v0.11.0
[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-1.0.104/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C debuginfo=2 --cfg 'feature="default"' -C metadata=d7f54f8eed500a79 -C extra-filename=-d7f54f8eed500a79 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-6195ca0ef893330b.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-be8f4f36e13cec66.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-80672d1b9dbb5788.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "7668f7b86c78b34dfff68433dedde190b8d9c793df1d1e69f8fba58ecb44823e"`
[INFO] running `"docker" "rm" "-f" "7668f7b86c78b34dfff68433dedde190b8d9c793df1d1e69f8fba58ecb44823e"`
[INFO] [stdout] 7668f7b86c78b34dfff68433dedde190b8d9c793df1d1e69f8fba58ecb44823e