[INFO] fetching crate gut 0.7.2...
[INFO] building gut-0.7.2 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate gut 0.7.2 into /workspace/builds/worker-43/source
[INFO] validating manifest of crates.io crate gut 0.7.2 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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-43/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 942cf77265d85404e0dee406cf889064c2bdd5f8b7ffce4ad21342820d3f9a73
[INFO] running `Command { std: "docker" "start" "-a" "942cf77265d85404e0dee406cf889064c2bdd5f8b7ffce4ad21342820d3f9a73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "942cf77265d85404e0dee406cf889064c2bdd5f8b7ffce4ad21342820d3f9a73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "942cf77265d85404e0dee406cf889064c2bdd5f8b7ffce4ad21342820d3f9a73", kill_on_drop: false }`
[INFO] [stdout] 942cf77265d85404e0dee406cf889064c2bdd5f8b7ffce4ad21342820d3f9a73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f7619f22c8d04d05382f367994180a06032ea101443242e0f65b4c9ed031881
[INFO] running `Command { std: "docker" "start" "-a" "8f7619f22c8d04d05382f367994180a06032ea101443242e0f65b4c9ed031881", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling cgmath v0.18.0
[INFO] [stderr]    Compiling bytemuck v1.7.2
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling lz4_flex v0.7.5
[INFO] [stderr]    Compiling reinterpret v0.2.1
[INFO] [stderr]    Compiling obj v0.10.2
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[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 flate2 v1.0.20
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling xz2 v0.1.6
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling autodiff v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.127
[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 serde v1.0.127
[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 39.81s
[INFO] running `Command { std: "docker" "inspect" "8f7619f22c8d04d05382f367994180a06032ea101443242e0f65b4c9ed031881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f7619f22c8d04d05382f367994180a06032ea101443242e0f65b4c9ed031881", kill_on_drop: false }`
[INFO] [stdout] 8f7619f22c8d04d05382f367994180a06032ea101443242e0f65b4c9ed031881
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-43/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89842581a7685ff04bb3d5e707d0967921266dbde1e992a4c274a2f3148bc89d
[INFO] running `Command { std: "docker" "start" "-a" "89842581a7685ff04bb3d5e707d0967921266dbde1e992a4c274a2f3148bc89d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling clap v2.33.3
[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 serde_json v1.0.66
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling criterion v0.3.5
[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=2157817fbb7a238e -C extra-filename=-2157817fbb7a238e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern approx=/opt/rustwide/target/debug/deps/libapprox-b86fa6a2f38d1e5f.rlib --extern autodiff=/opt/rustwide/target/debug/deps/libautodiff-bbcede46837e6108.rlib --extern bytemuck=/opt/rustwide/target/debug/deps/libbytemuck-2116903e3a393faa.rlib --extern math=/opt/rustwide/target/debug/deps/libcgmath-de6c0fac08e8a46c.rlib --extern criterion=/opt/rustwide/target/debug/deps/libcriterion-633a5ede3b7e67ff.rlib --extern dync=/opt/rustwide/target/debug/deps/libdync-e30f0fbc63c17c8a.rlib --extern flatk=/opt/rustwide/target/debug/deps/libflatk-afa83330324d2f60.rlib --extern gut_derive=/opt/rustwide/target/debug/deps/libgut_derive-723feb9ac48b3604.so --extern hashbrown=/opt/rustwide/target/debug/deps/libhashbrown-50bf05353806eae6.rlib --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-c8f3dacd1a0c53c0.rlib --extern objio=/opt/rustwide/target/debug/deps/libobj-d2d0da72ff28a026.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-db38c5ca175061b8.rlib --extern vtkio=/opt/rustwide/target/debug/deps/libvtkio-0675f5ac25a36d3a.rlib --cap-lints=forbid -L native=/usr/lib/x86_64-linux-gnu` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "89842581a7685ff04bb3d5e707d0967921266dbde1e992a4c274a2f3148bc89d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89842581a7685ff04bb3d5e707d0967921266dbde1e992a4c274a2f3148bc89d", kill_on_drop: false }`
[INFO] [stdout] 89842581a7685ff04bb3d5e707d0967921266dbde1e992a4c274a2f3148bc89d