[INFO] fetching crate basic_dsp 0.9.4...
[INFO] testing basic_dsp-0.9.4 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate basic_dsp 0.9.4 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate basic_dsp 0.9.4 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-108/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 584a750226f4cdcb73ea99fb0edfddd2949e875faa5b802b8c55b8452a88a927
[INFO] running `Command { std: "docker" "start" "-a" "584a750226f4cdcb73ea99fb0edfddd2949e875faa5b802b8c55b8452a88a927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "584a750226f4cdcb73ea99fb0edfddd2949e875faa5b802b8c55b8452a88a927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "584a750226f4cdcb73ea99fb0edfddd2949e875faa5b802b8c55b8452a88a927", kill_on_drop: false }`
[INFO] [stdout] 584a750226f4cdcb73ea99fb0edfddd2949e875faa5b802b8c55b8452a88a927
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19955ea9b49aaf1d863b04d46a9d3f88c36189b28181351d449157e93666a9dc
[INFO] running `Command { std: "docker" "start" "-a" "19955ea9b49aaf1d863b04d46a9d3f88c36189b28181351d449157e93666a9dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.43
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling strength_reduce v0.2.3
[INFO] [stderr]    Compiling arrayvec v0.7.1
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling crossbeam v0.8.1
[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 rustfft v6.0.1
[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 26.47s
[INFO] running `Command { std: "docker" "inspect" "19955ea9b49aaf1d863b04d46a9d3f88c36189b28181351d449157e93666a9dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19955ea9b49aaf1d863b04d46a9d3f88c36189b28181351d449157e93666a9dc", kill_on_drop: false }`
[INFO] [stdout] 19955ea9b49aaf1d863b04d46a9d3f88c36189b28181351d449157e93666a9dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5423ce2be868eb2721af28481d843968c60e2afc9c0e29e8ee499403011de8b6
[INFO] running `Command { std: "docker" "start" "-a" "5423ce2be868eb2721af28481d843968c60e2afc9c0e29e8ee499403011de8b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling hound v3.4.0
[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 v1.0.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.4.0
[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=c5522a0ad70603d8 -C extra-filename=-c5522a0ad70603d8 --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-7b5772bea7c92715.rlib --extern basic_dsp_vector=/opt/rustwide/target/debug/deps/libbasic_dsp_vector-23e34cd21c8c185f.rlib --extern docopt=/opt/rustwide/target/debug/deps/libdocopt-c5db893d5a94a29f.rlib --extern hamcrest=/opt/rustwide/target/debug/deps/libhamcrest-8371fa30bb03f4b9.rlib --extern hound=/opt/rustwide/target/debug/deps/libhound-fbe611737b466ad1.rlib --extern num=/opt/rustwide/target/debug/deps/libnum-09a8f0d18fc6ea5a.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-93b44e5f5c1ea982.rlib --extern time=/opt/rustwide/target/debug/deps/libtime-c482cbb1372a11bd.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" "5423ce2be868eb2721af28481d843968c60e2afc9c0e29e8ee499403011de8b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5423ce2be868eb2721af28481d843968c60e2afc9c0e29e8ee499403011de8b6", kill_on_drop: false }`
[INFO] [stdout] 5423ce2be868eb2721af28481d843968c60e2afc9c0e29e8ee499403011de8b6