[INFO] crate salmon 0.5.0 is already in cache
[INFO] extracting crate salmon 0.5.0 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/salmon/0.5.0
[INFO] extracting crate salmon 0.5.0 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/salmon/0.5.0
[INFO] validating manifest of salmon-0.5.0 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of salmon-0.5.0 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing salmon-0.5.0
[INFO] finished frobbing salmon-0.5.0
[INFO] frobbed toml for salmon-0.5.0 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/salmon/0.5.0/Cargo.toml
[INFO] started frobbing salmon-0.5.0
[INFO] finished frobbing salmon-0.5.0
[INFO] frobbed toml for salmon-0.5.0 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/salmon/0.5.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking salmon-0.5.0 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-4/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/salmon/0.5.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fe859b44cb9831c85af8b9e1e4bd833585fcfec07f54411f3c191c19f194b254
[INFO] running `"docker" "start" "-a" "fe859b44cb9831c85af8b9e1e4bd833585fcfec07f54411f3c191c19f194b254"`
[INFO] [stderr]    Compiling pulldown-cmark v0.5.3
[INFO] [stderr]    Compiling sass-sys v0.4.13
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]     Checking selectors v0.21.0
[INFO] [stderr] error: Could not compile `serde`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.98/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="rc"' --cfg 'feature="serde_derive"' --cfg 'feature="std"' -C metadata=ae77c3c19bacfa40 -C extra-filename=-ae77c3c19bacfa40 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-c2300f408476489a.so --cap-lints allow --cap-lints=forbid --cfg ops_bound --cfg core_reverse --cfg de_boxed_c_str --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg num_nonzero --cfg core_try_from --cfg num_nonzero_signed --cfg std_atomic64 --cfg std_atomic` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `serde`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.98/src/lib.rs --color never --crate-type lib --emit=dep-info,metadata -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="rc"' --cfg 'feature="serde_derive"' --cfg 'feature="std"' -C metadata=c18f2d523849c3ef -C extra-filename=-c18f2d523849c3ef --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-c2300f408476489a.so --cap-lints allow --cap-lints=forbid --cfg ops_bound --cfg core_reverse --cfg de_boxed_c_str --cfg de_rc_dst --cfg core_duration --cfg integer128 --cfg range_inclusive --cfg num_nonzero --cfg core_try_from --cfg num_nonzero_signed --cfg std_atomic64 --cfg std_atomic` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `selectors`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name selectors /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/selectors-0.21.0/lib.rs --color never --crate-type lib --emit=dep-info,metadata -C debuginfo=2 -C metadata=a17ad9d3f5692715 -C extra-filename=-a17ad9d3f5692715 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern bitflags=/opt/crater/target/debug/deps/libbitflags-dfdcf5f48ed6d73e.rmeta --extern cssparser=/opt/crater/target/debug/deps/libcssparser-88bfd40e86166e20.rmeta --extern fxhash=/opt/crater/target/debug/deps/libfxhash-e44050fc241ee269.rmeta --extern log=/opt/crater/target/debug/deps/liblog-2459689cc3a951b4.rmeta --extern matches=/opt/crater/target/debug/deps/libmatches-65e6a2bbed5507f4.rmeta --extern phf=/opt/crater/target/debug/deps/libphf-7123dc92cab49207.rmeta --extern precomputed_hash=/opt/crater/target/debug/deps/libprecomputed_hash-6117b6ff54ef038e.rmeta --extern servo_arc=/opt/crater/target/debug/deps/libservo_arc-3a00b87438553984.rmeta --extern smallvec=/opt/crater/target/debug/deps/libsmallvec-7af28bcc2fec76d9.rmeta --extern thin_slice=/opt/crater/target/debug/deps/libthin_slice-b4903eaec00be8b2.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `pulldown-cmark`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name build_script_build /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pulldown-cmark-0.5.3/build.rs --color never --crate-type bin --emit=dep-info,link -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="getopts"' --cfg 'feature="simd"' -C metadata=5192f170e2234442 -C extra-filename=-5192f170e2234442 --out-dir /opt/crater/target/debug/build/pulldown-cmark-5192f170e2234442 -L dependency=/opt/crater/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `pest_generator`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name pest_generator /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pest_generator-2.1.0/src/lib.rs --color never --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=194d96d42dfaa899 -C extra-filename=-194d96d42dfaa899 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern pest=/opt/crater/target/debug/deps/libpest-2565bae0f89d4949.rmeta --extern pest_meta=/opt/crater/target/debug/deps/libpest_meta-51cbd148c443f126.rmeta --extern proc_macro2=/opt/crater/target/debug/deps/libproc_macro2-d01a993541c49116.rmeta --extern quote=/opt/crater/target/debug/deps/libquote-0aaee71341c3ad40.rmeta --extern syn=/opt/crater/target/debug/deps/libsyn-224039d8e9500fe9.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `which`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name which /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/which-2.0.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=6bdd3767f5ee8457 -C extra-filename=-6bdd3767f5ee8457 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern failure=/opt/crater/target/debug/deps/libfailure-0106dd6d5cc0b065.rmeta --extern libc=/opt/crater/target/debug/deps/liblibc-d7fe514fd175afa0.rmeta --cap-lints allow --cap-lints=forbid -L native=/opt/crater/target/debug/build/backtrace-sys-49cb4169a538448e/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[ERROR] error running command: no output for 300 seconds
[INFO] running `"docker" "inspect" "fe859b44cb9831c85af8b9e1e4bd833585fcfec07f54411f3c191c19f194b254"`
[INFO] running `"docker" "rm" "-f" "fe859b44cb9831c85af8b9e1e4bd833585fcfec07f54411f3c191c19f194b254"`
[INFO] [stdout] fe859b44cb9831c85af8b9e1e4bd833585fcfec07f54411f3c191c19f194b254