[INFO] crate salmon 0.5.0 is already in cache
[INFO] extracting crate salmon 0.5.0 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/salmon/0.5.0
[INFO] extracting crate salmon 0.5.0 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/salmon/0.5.0
[INFO] validating manifest of salmon-0.5.0 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of salmon-0.5.0 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-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-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/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-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/salmon/0.5.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking salmon-0.5.0 against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-7/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f24f837c6be1cd521bf5d3e74a0ac16fdddfb7560be85865f0bf2f2f9379fc24
[INFO] running `"docker" "start" "-a" "f24f837c6be1cd521bf5d3e74a0ac16fdddfb7560be85865f0bf2f2f9379fc24"`
[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 v1.0.99
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]     Checking cssparser v0.25.9
[INFO] [stderr]    Compiling bindgen v0.50.0
[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-1.0.99/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=77e0252b9b702749 -C extra-filename=-77e0252b9b702749 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-4cd2e73b0072a38b.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-1.0.99/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=e5c1eb345ff11ad3 -C extra-filename=-e5c1eb345ff11ad3 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern serde_derive=/opt/crater/target/debug/deps/libserde_derive-4cd2e73b0072a38b.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 `pulldown-cmark`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name pulldown_cmark /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pulldown-cmark-0.5.3/src/lib.rs --color never --crate-type lib --emit=dep-info,metadata -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="getopts"' --cfg 'feature="simd"' -C metadata=db90a7cf789bbed7 -C extra-filename=-db90a7cf789bbed7 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern bitflags=/opt/crater/target/debug/deps/libbitflags-b65d5f6e2d61d1ee.rmeta --extern getopts=/opt/crater/target/debug/deps/libgetopts-0626c32656e0e68a.rmeta --extern memchr=/opt/crater/target/debug/deps/libmemchr-8d25362a086aa8cc.rmeta --extern unicase=/opt/crater/target/debug/deps/libunicase-a743d094283cf5f9.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 `cssparser`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cssparser /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cssparser-0.25.9/src/lib.rs --color never --crate-type lib --emit=dep-info,metadata -C debuginfo=2 -C metadata=ac9c84f46f2f45f1 -C extra-filename=-ac9c84f46f2f45f1 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern cssparser_macros=/opt/crater/target/debug/deps/libcssparser_macros-a1db8a041a7cac24.so --extern dtoa_short=/opt/crater/target/debug/deps/libdtoa_short-fb35de311e28c0e2.rmeta --extern itoa=/opt/crater/target/debug/deps/libitoa-f8ead499c52b8d1c.rmeta --extern matches=/opt/crater/target/debug/deps/libmatches-612ebe002cb36406.rmeta --extern phf=/opt/crater/target/debug/deps/libphf-b4f350dba8611029.rmeta --extern procedural_masquerade=/opt/crater/target/debug/deps/libprocedural_masquerade-2ab62c42dbaac8b0.rmeta --extern smallvec=/opt/crater/target/debug/deps/libsmallvec-b1a7e22e180460c6.rmeta --cap-lints allow --cap-lints=forbid --cfg rustc_has_pr45225 --cfg has_std__mem__MaybeUninit` (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=b90f67f714caaf13 -C extra-filename=-b90f67f714caaf13 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern pest=/opt/crater/target/debug/deps/libpest-a8abcf2c44623f18.rmeta --extern pest_meta=/opt/crater/target/debug/deps/libpest_meta-4abdac2b3e18bd6c.rmeta --extern proc_macro2=/opt/crater/target/debug/deps/libproc_macro2-94b155e57ee82eed.rmeta --extern quote=/opt/crater/target/debug/deps/libquote-c636ee78cabb7e77.rmeta --extern syn=/opt/crater/target/debug/deps/libsyn-446d459d78c47013.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 `bindgen`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name bindgen /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/bindgen-0.50.0/src/lib.rs --color never --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="clap"' --cfg 'feature="default"' --cfg 'feature="env_logger"' --cfg 'feature="log"' --cfg 'feature="logging"' -C metadata=cb3cb505ad5b1683 -C extra-filename=-cb3cb505ad5b1683 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern bitflags=/opt/crater/target/debug/deps/libbitflags-094242bf7098b964.rmeta --extern cexpr=/opt/crater/target/debug/deps/libcexpr-19b34733a0dbe066.rmeta --extern cfg_if=/opt/crater/target/debug/deps/libcfg_if-1230cbb4aa3fa878.rmeta --extern clang_sys=/opt/crater/target/debug/deps/libclang_sys-95f75d6c54ceea86.rmeta --extern clap=/opt/crater/target/debug/deps/libclap-d0447a6cdb0b9d83.rmeta --extern env_logger=/opt/crater/target/debug/deps/libenv_logger-6d0cf35a646da698.rmeta --extern fxhash=/opt/crater/target/debug/deps/libfxhash-9eee542b2ea6ebdb.rmeta --extern lazy_static=/opt/crater/target/debug/deps/liblazy_static-11a53442a42f0bf0.rmeta --extern log=/opt/crater/target/debug/deps/liblog-207acd9d9f604e40.rmeta --extern peeking_take_while=/opt/crater/target/debug/deps/libpeeking_take_while-57890a60e4acc80f.rmeta --extern proc_macro2=/opt/crater/target/debug/deps/libproc_macro2-94b155e57ee82eed.rmeta --extern quote=/opt/crater/target/debug/deps/libquote-c636ee78cabb7e77.rmeta --extern regex=/opt/crater/target/debug/deps/libregex-6f8142cfe4ca2616.rmeta --extern shlex=/opt/crater/target/debug/deps/libshlex-ae12673c0035ce59.rmeta --extern which=/opt/crater/target/debug/deps/libwhich-5910992c53931372.rmeta --cap-lints allow --cap-lints=forbid -L native=/opt/crater/target/debug/build/libloading-19e0f72d1b372f71/out -L native=/opt/crater/target/debug/build/backtrace-sys-bf1aab3783aecf35/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" "f24f837c6be1cd521bf5d3e74a0ac16fdddfb7560be85865f0bf2f2f9379fc24"`
[INFO] running `"docker" "rm" "-f" "f24f837c6be1cd521bf5d3e74a0ac16fdddfb7560be85865f0bf2f2f9379fc24"`
[INFO] [stdout] f24f837c6be1cd521bf5d3e74a0ac16fdddfb7560be85865f0bf2f2f9379fc24