[INFO] fetching crate qualinvest 0.2.1...
[INFO] checking qualinvest-0.2.1 against master#4c60a0ea5b2385d7400df9db1ad04e96f2a4c154 for 92191_revert
[INFO] extracting crate qualinvest 0.2.1 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate qualinvest 0.2.1 on toolchain 4c60a0ea5b2385d7400df9db1ad04e96f2a4c154
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qualinvest 0.2.1
[INFO] finished tweaking crates.io crate qualinvest 0.2.1
[INFO] tweaked toml for crates.io crate qualinvest 0.2.1 written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] crate crates.io crate qualinvest 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-sink v0.3.4
[INFO] [stderr]   Downloaded async-trait v0.1.30
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.60
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.60
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.60
[INFO] [stderr]   Downloaded js-sys v0.3.37
[INFO] [stderr]   Downloaded postgres v0.17.2
[INFO] [stderr]   Downloaded cc v1.0.52
[INFO] [stderr]   Downloaded rusqlite v0.21.0
[INFO] [stderr]   Downloaded ndarray-rand v0.11.0
[INFO] [stderr]   Downloaded blas-src v0.2.1
[INFO] [stderr]   Downloaded ndarray-linalg v0.12.0
[INFO] [stderr]   Downloaded arrayvec v0.3.25
[INFO] [stderr]   Downloaded blas-src v0.4.0
[INFO] [stderr]   Downloaded cauchy v0.2.2
[INFO] [stderr]   Downloaded lapack-src v0.4.0
[INFO] [stderr]   Downloaded cblas-sys v0.1.4
[INFO] [stderr]   Downloaded paste-impl v0.1.10
[INFO] [stderr]   Downloaded paste v0.1.10
[INFO] [stderr]   Downloaded lapacke-sys v0.1.4
[INFO] [stderr]   Downloaded odds v0.2.26
[INFO] [stderr]   Downloaded lapacke v0.2.0
[INFO] [stderr]   Downloaded tokio-postgres v0.5.3
[INFO] [stderr]   Downloaded base64 v0.12.0
[INFO] [stderr]   Downloaded erased-serde v0.3.11
[INFO] [stderr]   Downloaded argmin_testfunctions v0.1.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.60
[INFO] [stderr]   Downloaded futures-channel v0.3.4
[INFO] [stderr]   Downloaded mac v0.0.2
[INFO] [stderr]   Downloaded buffer v0.1.8
[INFO] [stderr]   Downloaded futures v0.3.4
[INFO] [stderr]   Downloaded futures-io v0.3.4
[INFO] [stderr]   Downloaded futures-macro v0.3.4
[INFO] [stderr]   Downloaded siphasher v0.3.2
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.60
[INFO] [stderr]   Downloaded modcholesky v0.1.2
[INFO] [stderr]   Downloaded finitediff v0.1.2
[INFO] [stderr]   Downloaded tokio v0.2.18
[INFO] [stderr]   Downloaded argmin_core v0.2.5
[INFO] [stderr]   Downloaded web-sys v0.3.37
[INFO] [stderr]   Downloaded backtrace-sys v0.1.36
[INFO] [stderr]   Downloaded finql v0.5.4
[INFO] [stderr]   Downloaded argmin v0.2.6
[INFO] [stderr]   Downloaded libsqlite3-sys v0.17.3
[INFO] [stderr]   Downloaded ring v0.16.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0bbc916b1a7d3313c9bbe334e14b6971457ec650af8b0b76e9fb2e36e0da9339
[INFO] running `Command { std: "docker" "start" "-a" "0bbc916b1a7d3313c9bbe334e14b6971457ec650af8b0b76e9fb2e36e0da9339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0bbc916b1a7d3313c9bbe334e14b6971457ec650af8b0b76e9fb2e36e0da9339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bbc916b1a7d3313c9bbe334e14b6971457ec650af8b0b76e9fb2e36e0da9339", kill_on_drop: false }`
[INFO] [stdout] 0bbc916b1a7d3313c9bbe334e14b6971457ec650af8b0b76e9fb2e36e0da9339
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+4c60a0ea5b2385d7400df9db1ad04e96f2a4c154" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] baa60b0efea6904b5dd01c2f67f9dc3c1c41a961d55de905e799c3e57b051d07
[INFO] running `Command { std: "docker" "start" "-a" "baa60b0efea6904b5dd01c2f67f9dc3c1c41a961d55de905e799c3e57b051d07", 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] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking blas-src v0.2.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking lapack-src v0.4.0
[INFO] [stderr]     Checking siphasher v0.3.2
[INFO] [stderr]     Checking blas-src v0.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking base64 v0.12.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking finitediff v0.1.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking text_io v0.1.8
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking computus v1.0.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking mac v0.0.2
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking data-encoding v2.2.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.17/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=32be3be563f85566 -C extra-filename=-32be3be563f85566 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "baa60b0efea6904b5dd01c2f67f9dc3c1c41a961d55de905e799c3e57b051d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "baa60b0efea6904b5dd01c2f67f9dc3c1c41a961d55de905e799c3e57b051d07", kill_on_drop: false }`
[INFO] [stdout] baa60b0efea6904b5dd01c2f67f9dc3c1c41a961d55de905e799c3e57b051d07