[INFO] fetching crate basic_dsp 0.9.4...
[INFO] testing basic_dsp-0.9.4 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate basic_dsp 0.9.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate basic_dsp 0.9.4 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate basic_dsp 0.9.4
[INFO] finished tweaking crates.io crate basic_dsp 0.9.4
[INFO] tweaked toml for crates.io crate basic_dsp 0.9.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate basic_dsp 0.9.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.4.0
[INFO] [stderr]   Downloaded serde_json v1.0.58
[INFO] [stderr]   Downloaded const_fn v0.4.2
[INFO] [stderr]   Downloaded docopt v1.1.0
[INFO] [stderr]   Downloaded num-bigint v0.4.0
[INFO] [stderr]   Downloaded transpose v0.2.0
[INFO] [stderr]   Downloaded time v0.2.22
[INFO] [stderr]   Downloaded packed_simd_2 v0.3.4
[INFO] [stderr]   Downloaded addr2line v0.13.0
[INFO] [stderr]   Downloaded basic_dsp_interop v0.9.3
[INFO] [stderr]   Downloaded basic_dsp_matrix v0.9.3
[INFO] [stderr]   Downloaded rustc-demangle v0.1.17
[INFO] [stderr]   Downloaded syn v1.0.43
[INFO] [stderr]   Downloaded object v0.20.0
[INFO] [stderr]   Downloaded backtrace v0.3.52
[INFO] [stderr]   Downloaded gimli v0.22.0
[INFO] [stderr]   Downloaded standback v0.2.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8e8ec05bac455d25718d5226f44a0b028c3d1f4d7f922cf5b5efae3f5ee79c8
[INFO] running `Command { std: "docker" "start" "-a" "f8e8ec05bac455d25718d5226f44a0b028c3d1f4d7f922cf5b5efae3f5ee79c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8e8ec05bac455d25718d5226f44a0b028c3d1f4d7f922cf5b5efae3f5ee79c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8e8ec05bac455d25718d5226f44a0b028c3d1f4d7f922cf5b5efae3f5ee79c8", kill_on_drop: false }`
[INFO] [stdout] f8e8ec05bac455d25718d5226f44a0b028c3d1f4d7f922cf5b5efae3f5ee79c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f1019d9ecfa7aab31a5258666eb6cb046ba3534d5eeab42877ceb1778767449
[INFO] running `Command { std: "docker" "start" "-a" "6f1019d9ecfa7aab31a5258666eb6cb046ba3534d5eeab42877ceb1778767449", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.43
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling strength_reduce v0.2.3
[INFO] [stderr]    Compiling arrayvec v0.7.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling primal-check v0.3.1
[INFO] [stderr]    Compiling transpose v0.2.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling rustfft v6.0.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling displaydoc v0.1.7
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling linreg v0.2.0
[INFO] [stderr]    Compiling basic_dsp_vector v0.9.4
[INFO] [stderr]    Compiling basic_dsp_matrix v0.9.3
[INFO] [stderr]    Compiling basic_dsp v0.9.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.64s
[INFO] running `Command { std: "docker" "inspect" "6f1019d9ecfa7aab31a5258666eb6cb046ba3534d5eeab42877ceb1778767449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f1019d9ecfa7aab31a5258666eb6cb046ba3534d5eeab42877ceb1778767449", kill_on_drop: false }`
[INFO] [stdout] 6f1019d9ecfa7aab31a5258666eb6cb046ba3534d5eeab42877ceb1778767449
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acb9f58c73afbec552a7e94963e63466c0988c6cd54fc7c274d22ea2f709f39c
[INFO] running `Command { std: "docker" "start" "-a" "acb9f58c73afbec552a7e94963e63466c0988c6cd54fc7c274d22ea2f709f39c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling hamcrest v0.1.5
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling basic_dsp v0.9.4 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `basic_dsp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name interpolation_test --edition=2018 tests/interpolation_test.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="basic_dsp_matrix"' --cfg 'feature="default"' --cfg 'feature="matrix"' --cfg 'feature="std"' -C metadata=adb87c11a253224e -C extra-filename=-adb87c11a253224e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern basic_dsp=/opt/rustwide/target/debug/deps/libbasic_dsp.so --extern basic_dsp=/opt/rustwide/target/debug/deps/libbasic_dsp.rlib --extern basic_dsp_matrix=/opt/rustwide/target/debug/deps/libbasic_dsp_matrix-48f489a5cbf08f51.rlib --extern basic_dsp_vector=/opt/rustwide/target/debug/deps/libbasic_dsp_vector-48715d20ff078133.rlib --extern docopt=/opt/rustwide/target/debug/deps/libdocopt-e76fa8ca6ebe3e42.rlib --extern hamcrest=/opt/rustwide/target/debug/deps/libhamcrest-fc34f143f616011f.rlib --extern hound=/opt/rustwide/target/debug/deps/libhound-d859fa9dcc8c7686.rlib --extern num=/opt/rustwide/target/debug/deps/libnum-f7488893601fa613.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-5add4b3fdf179e22.rlib --extern time=/opt/rustwide/target/debug/deps/libtime-fcfe3f143b18d5e1.rlib --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 `Command { std: "docker" "inspect" "acb9f58c73afbec552a7e94963e63466c0988c6cd54fc7c274d22ea2f709f39c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acb9f58c73afbec552a7e94963e63466c0988c6cd54fc7c274d22ea2f709f39c", kill_on_drop: false }`
[INFO] [stdout] acb9f58c73afbec552a7e94963e63466c0988c6cd54fc7c274d22ea2f709f39c