[INFO] fetching crate gut 0.7.2...
[INFO] testing gut-0.7.2 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate gut 0.7.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate gut 0.7.2 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 gut 0.7.2
[INFO] finished tweaking crates.io crate gut 0.7.2
[INFO] tweaked toml for crates.io crate gut 0.7.2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chashmap v2.2.2
[INFO] [stderr]   Downloaded lz4_flex v0.7.5
[INFO] [stderr]   Downloaded dync-derive v0.4.0
[INFO] [stderr]   Downloaded parking_lot v0.4.8
[INFO] [stderr]   Downloaded flatk v0.3.2
[INFO] [stderr]   Downloaded dync v0.5.0
[INFO] [stderr]   Downloaded reinterpret v0.2.1
[INFO] [stderr]   Downloaded gut-derive v0.5.0
[INFO] [stderr]   Downloaded flatk-derive v0.2.3
[INFO] [stderr]   Downloaded vtkio v0.6.3
[INFO] [stderr]   Downloaded autodiff v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 815ac02bdd9ba4692ab23d45d991a6a5e1da3991d4edfe0dca587eb52525ab71
[INFO] running `Command { std: "docker" "start" "-a" "815ac02bdd9ba4692ab23d45d991a6a5e1da3991d4edfe0dca587eb52525ab71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "815ac02bdd9ba4692ab23d45d991a6a5e1da3991d4edfe0dca587eb52525ab71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "815ac02bdd9ba4692ab23d45d991a6a5e1da3991d4edfe0dca587eb52525ab71", kill_on_drop: false }`
[INFO] [stdout] 815ac02bdd9ba4692ab23d45d991a6a5e1da3991d4edfe0dca587eb52525ab71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 75c1067f88bb100fa34e79793b1f0e8717de0101e8698a80f2ed01c65a6e9267
[INFO] running `Command { std: "docker" "start" "-a" "75c1067f88bb100fa34e79793b1f0e8717de0101e8698a80f2ed01c65a6e9267", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling cgmath v0.18.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling bytemuck v1.7.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling reinterpret v0.2.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling lz4_flex v0.7.5
[INFO] [stderr]    Compiling obj v0.10.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling xz2 v0.1.6
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling autodiff v0.3.2
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling dync-derive v0.4.0
[INFO] [stderr]    Compiling gut-derive v0.5.0
[INFO] [stderr]    Compiling dync v0.5.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling quick-xml v0.22.0
[INFO] [stderr]    Compiling vtkio v0.6.3
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling flatk-derive v0.2.3
[INFO] [stderr]    Compiling flatk v0.3.2
[INFO] [stderr]    Compiling gut v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.17s
[INFO] running `Command { std: "docker" "inspect" "75c1067f88bb100fa34e79793b1f0e8717de0101e8698a80f2ed01c65a6e9267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75c1067f88bb100fa34e79793b1f0e8717de0101e8698a80f2ed01c65a6e9267", kill_on_drop: false }`
[INFO] [stdout] 75c1067f88bb100fa34e79793b1f0e8717de0101e8698a80f2ed01c65a6e9267
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 0973567b58e1d81f3486565d290945b3bcd3d66f5d59b39a4162ec912f04e49c
[INFO] running `Command { std: "docker" "start" "-a" "0973567b58e1d81f3486565d290945b3bcd3d66f5d59b39a4162ec912f04e49c", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling gut v0.7.2 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `gut`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name gut --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="io"' --cfg 'feature="objio"' --cfg 'feature="vtkio"' -C metadata=27ad27becc53fda3 -C extra-filename=-27ad27becc53fda3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern approx=/opt/rustwide/target/debug/deps/libapprox-db16ba381523ce33.rlib --extern autodiff=/opt/rustwide/target/debug/deps/libautodiff-3488f7575e5da9b2.rlib --extern bytemuck=/opt/rustwide/target/debug/deps/libbytemuck-f7f4e9b942d02fcb.rlib --extern math=/opt/rustwide/target/debug/deps/libcgmath-eb87be3370c94abf.rlib --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-83fd44fefeefc655.rlib --extern dync=/opt/rustwide/target/debug/deps/libdync-9bb8fbbe6071e5d7.rlib --extern flatk=/opt/rustwide/target/debug/deps/libflatk-a981a78e82974269.rlib --extern gut_derive=/opt/rustwide/target/debug/deps/libgut_derive-a2a19a94cf47bfa1.so --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-d0d5ead944551603.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-819abb75827096f3.rlib --extern objio=/opt/rustwide/target/debug/deps/libobj-4a412d594fcf285e.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-94c61831611d2752.rlib --extern vtkio=/opt/rustwide/target/debug/deps/libvtkio-b6e1a4c3722331ff.rlib --cap-lints=forbid -L native=/usr/lib/x86_64-linux-gnu` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "0973567b58e1d81f3486565d290945b3bcd3d66f5d59b39a4162ec912f04e49c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0973567b58e1d81f3486565d290945b3bcd3d66f5d59b39a4162ec912f04e49c", kill_on_drop: false }`
[INFO] [stdout] 0973567b58e1d81f3486565d290945b3bcd3d66f5d59b39a4162ec912f04e49c