[INFO] fetching crate basic_dsp 0.9.0...
[INFO] testing basic_dsp-0.9.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate basic_dsp 0.9.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate basic_dsp 0.9.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate basic_dsp 0.9.0
[INFO] finished tweaking crates.io crate basic_dsp 0.9.0
[INFO] tweaked toml for crates.io crate basic_dsp 0.9.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate basic_dsp 0.9.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8377415a1c751a0b8be4f63f7ab772210b8092acbf17051b79ad5956927e50e9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8377415a1c751a0b8be4f63f7ab772210b8092acbf17051b79ad5956927e50e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8377415a1c751a0b8be4f63f7ab772210b8092acbf17051b79ad5956927e50e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8377415a1c751a0b8be4f63f7ab772210b8092acbf17051b79ad5956927e50e9", kill_on_drop: false }`
[INFO] [stdout] 8377415a1c751a0b8be4f63f7ab772210b8092acbf17051b79ad5956927e50e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3e9ffadfcd85e31e57521bf1753d12951f192a511a461ae5d210d07cb6b57e6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b3e9ffadfcd85e31e57521bf1753d12951f192a511a461ae5d210d07cb6b57e6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.43
[INFO] [stderr]    Compiling libc v0.2.79
[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 v0.5.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling num-complex v0.3.0
[INFO] [stderr]    Compiling transpose v0.2.0
[INFO] [stderr]    Compiling rustfft v4.0.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling displaydoc v0.1.7
[INFO] [stderr]    Compiling linreg v0.2.0
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling basic_dsp_vector v0.9.0
[INFO] [stderr]    Compiling basic_dsp_matrix v0.9.0
[INFO] [stderr]    Compiling basic_dsp v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.00s
[INFO] running `Command { std: "docker" "inspect" "b3e9ffadfcd85e31e57521bf1753d12951f192a511a461ae5d210d07cb6b57e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3e9ffadfcd85e31e57521bf1753d12951f192a511a461ae5d210d07cb6b57e6", kill_on_drop: false }`
[INFO] [stdout] b3e9ffadfcd85e31e57521bf1753d12951f192a511a461ae5d210d07cb6b57e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc1ccf9ab3167c2a1fa70e55baa409c539f087447765b76acbb8c8fb866b6a86
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fc1ccf9ab3167c2a1fa70e55baa409c539f087447765b76acbb8c8fb866b6a86", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling num v0.3.0
[INFO] [stderr]    Compiling hamcrest v0.1.5
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling basic_dsp v0.9.0 (/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 real_test --edition=2018 tests/real_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=3987398bdbb8f328 -C extra-filename=-3987398bdbb8f328 --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-8d848c931f0caff5.rlib --extern basic_dsp_vector=/opt/rustwide/target/debug/deps/libbasic_dsp_vector-825276bde59b47cb.rlib --extern docopt=/opt/rustwide/target/debug/deps/libdocopt-c31f741c107fd34b.rlib --extern hamcrest=/opt/rustwide/target/debug/deps/libhamcrest-f418f601d2b2d235.rlib --extern hound=/opt/rustwide/target/debug/deps/libhound-580424e99f5f8100.rlib --extern num=/opt/rustwide/target/debug/deps/libnum-95c64e45abad40b2.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-cc3aec20cda73e7a.rlib --extern time=/opt/rustwide/target/debug/deps/libtime-ab1af41d372e556c.rlib --cap-lints=warn` (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" "fc1ccf9ab3167c2a1fa70e55baa409c539f087447765b76acbb8c8fb866b6a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc1ccf9ab3167c2a1fa70e55baa409c539f087447765b76acbb8c8fb866b6a86", kill_on_drop: false }`
[INFO] [stdout] fc1ccf9ab3167c2a1fa70e55baa409c539f087447765b76acbb8c8fb866b6a86