[INFO] crate duo 0.1.0-alpha.0 is already in cache
[INFO] extracting crate duo 0.1.0-alpha.0 into work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/duo/0.1.0-alpha.0
[INFO] extracting crate duo 0.1.0-alpha.0 into work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/duo/0.1.0-alpha.0
[INFO] validating manifest of duo-0.1.0-alpha.0 on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of duo-0.1.0-alpha.0 on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing duo-0.1.0-alpha.0
[INFO] finished frobbing duo-0.1.0-alpha.0
[INFO] frobbed toml for duo-0.1.0-alpha.0 written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/duo/0.1.0-alpha.0/Cargo.toml
[INFO] started frobbing duo-0.1.0-alpha.0
[INFO] finished frobbing duo-0.1.0-alpha.0
[INFO] frobbed toml for duo-0.1.0-alpha.0 written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/reg/duo/0.1.0-alpha.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking duo-0.1.0-alpha.0 against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-6/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/reg/duo/0.1.0-alpha.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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bd0844e95506c261b8383632e646e06b21d6e72466b372811e17c93a8589c3ba
[INFO] running `"docker" "start" "-a" "bd0844e95506c261b8383632e646e06b21d6e72466b372811e17c93a8589c3ba"`
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling numext-constructor v0.1.4
[INFO] [stderr]    Compiling backtrace v0.3.33
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling numext-fixed-uint-core v0.1.4
[INFO] [stderr]    Compiling numext-fixed-uint-hack v0.1.4
[INFO] [stderr]    Compiling numext-fixed-uint v0.1.4
[INFO] [stderr]    Compiling numext-fixed-hash-core v0.1.4
[INFO] [stderr] error: Could not compile `numext-fixed-hash-core`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name numext_fixed_hash_core /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/numext-fixed-hash-core-0.1.4/src/lib.rs --color never --crate-type lib --emit=dep-info,metadata -C debuginfo=2 --cfg 'feature="default"' -C metadata=880875f641373a03 -C extra-filename=-880875f641373a03 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern failure=/opt/crater/target/debug/deps/libfailure-41e16362451d28f1.rmeta --extern numext_constructor=/opt/crater/target/debug/deps/libnumext_constructor-65a861ac2fa26355.so --extern numext_fixed_uint=/opt/crater/target/debug/deps/libnumext_fixed_uint-968bffab2a41baf9.rmeta --cap-lints allow --cap-lints=forbid -L native=/opt/crater/target/debug/build/backtrace-sys-0fd859772b260d88/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `numext-fixed-hash-core`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --edition=2018 --crate-name numext_fixed_hash_core /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/numext-fixed-hash-core-0.1.4/src/lib.rs --color never --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="default"' -C metadata=b47319f525625354 -C extra-filename=-b47319f525625354 --out-dir /opt/crater/target/debug/deps -L dependency=/opt/crater/target/debug/deps --extern failure=/opt/crater/target/debug/deps/libfailure-3328b971e880f48e.rlib --extern numext_constructor=/opt/crater/target/debug/deps/libnumext_constructor-65a861ac2fa26355.so --extern numext_fixed_uint=/opt/crater/target/debug/deps/libnumext_fixed_uint-a1224b7f8c408f45.rlib --cap-lints allow --cap-lints=forbid -L native=/opt/crater/target/debug/build/backtrace-sys-0fd859772b260d88/out` (signal: 9, SIGKILL: kill)
[INFO] running `"docker" "inspect" "bd0844e95506c261b8383632e646e06b21d6e72466b372811e17c93a8589c3ba"`
[INFO] running `"docker" "rm" "-f" "bd0844e95506c261b8383632e646e06b21d6e72466b372811e17c93a8589c3ba"`
[INFO] [stdout] bd0844e95506c261b8383632e646e06b21d6e72466b372811e17c93a8589c3ba