[INFO] fetching crate auto-diff 0.5.0...
[INFO] building auto-diff-0.5.0 against master#a7f375789bab1a4e4a291c963081a8ca7d2b6bd7 for pr-93180
[INFO] extracting crate auto-diff 0.5.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate auto-diff 0.5.0 on toolchain a7f375789bab1a4e4a291c963081a8ca7d2b6bd7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate auto-diff 0.5.0
[INFO] finished tweaking crates.io crate auto-diff 0.5.0
[INFO] tweaked toml for crates.io crate auto-diff 0.5.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate auto-diff 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b3052cab8b037b82ee1fabad364b19c1256ff796a5427a601b417609e0108f9
[INFO] running `Command { std: "docker" "start" "-a" "0b3052cab8b037b82ee1fabad364b19c1256ff796a5427a601b417609e0108f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b3052cab8b037b82ee1fabad364b19c1256ff796a5427a601b417609e0108f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b3052cab8b037b82ee1fabad364b19c1256ff796a5427a601b417609e0108f9", kill_on_drop: false }`
[INFO] [stdout] 0b3052cab8b037b82ee1fabad364b19c1256ff796a5427a601b417609e0108f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d51c579a3b5675eaa1e8a8373be91bbd1d47f11d73f84c540a877f4c2ce1824b
[INFO] running `Command { std: "docker" "start" "-a" "d51c579a3b5675eaa1e8a8373be91bbd1d47f11d73f84c540a877f4c2ce1824b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling serde v1.0.135
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling blas-src v0.2.1
[INFO] [stderr]    Compiling lapack-src v0.3.0
[INFO] [stderr]    Compiling blas-src v0.3.0
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling lapacke-sys v0.1.4
[INFO] [stderr]    Compiling cblas-sys v0.1.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling cauchy v0.2.2
[INFO] [stderr]    Compiling lapacke v0.2.0
[INFO] [stderr]    Compiling ndarray-linalg v0.11.1
[INFO] [stderr]    Compiling tensor-rs v0.5.0
[INFO] [stderr]    Compiling auto-diff v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/collection/generational_index.rs:127:30
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn append(&mut self, other: &mut GenIndex<T>) {
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cmd`
[INFO] [stdout]    --> src/var.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 139 |     cmd: VarCmd,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.14s
[INFO] running `Command { std: "docker" "inspect" "d51c579a3b5675eaa1e8a8373be91bbd1d47f11d73f84c540a877f4c2ce1824b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d51c579a3b5675eaa1e8a8373be91bbd1d47f11d73f84c540a877f4c2ce1824b", kill_on_drop: false }`
[INFO] [stdout] d51c579a3b5675eaa1e8a8373be91bbd1d47f11d73f84c540a877f4c2ce1824b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ccabc5af633fb9fc948ae8d8999a8579870c1058645759f915fa6f68b912b5f
[INFO] running `Command { std: "docker" "start" "-a" "1ccabc5af633fb9fc948ae8d8999a8579870c1058645759f915fa6f68b912b5f", 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 lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.6
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.3.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.135
[INFO] [stderr]    Compiling protobuf v2.25.2
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling openblas-src v0.9.0
[INFO] [stderr]    Compiling bytemuck v1.7.3
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling gethostname v0.2.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]    --> src/collection/generational_index.rs:127:30
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn append(&mut self, other: &mut GenIndex<T>) {
[INFO] [stdout]     |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cmd`
[INFO] [stdout]    --> src/var.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 139 |     cmd: VarCmd,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling gif v0.11.3
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling plotters v0.3.1
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling criterion-plot v0.4.4
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling tensorboard-rs v0.2.4
[INFO] [stderr] error: could not compile `image`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name image --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/image-0.23.14/./src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="bmp"' --cfg 'feature="dds"' --cfg 'feature="default"' --cfg 'feature="dxt"' --cfg 'feature="farbfeld"' --cfg 'feature="gif"' --cfg 'feature="hdr"' --cfg 'feature="ico"' --cfg 'feature="jpeg"' --cfg 'feature="jpeg_rayon"' --cfg 'feature="png"' --cfg 'feature="pnm"' --cfg 'feature="scoped_threadpool"' --cfg 'feature="tga"' --cfg 'feature="tiff"' --cfg 'feature="webp"' -C metadata=157ad6bb6fd7db24 -C extra-filename=-157ad6bb6fd7db24 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytemuck=/opt/rustwide/target/debug/deps/libbytemuck-8953ddc24b454d75.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-4d098c56eb4115f5.rmeta --extern color_quant=/opt/rustwide/target/debug/deps/libcolor_quant-0fcc87d5c5b7938c.rmeta --extern gif=/opt/rustwide/target/debug/deps/libgif-0b44f2ae84632ee4.rmeta --extern jpeg=/opt/rustwide/target/debug/deps/libjpeg_decoder-49c13c04a5dd810f.rmeta --extern num_iter=/opt/rustwide/target/debug/deps/libnum_iter-f23f76719c42d268.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-3e7ac3c9ba926b8e.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-465a2bd5cb0fd6cd.rmeta --extern png=/opt/rustwide/target/debug/deps/libpng-ae17845d3d267bc6.rmeta --extern scoped_threadpool=/opt/rustwide/target/debug/deps/libscoped_threadpool-d60964a8b5ca3771.rmeta --extern tiff=/opt/rustwide/target/debug/deps/libtiff-d53c08eeb9210286.rmeta --cap-lints allow --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" "1ccabc5af633fb9fc948ae8d8999a8579870c1058645759f915fa6f68b912b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ccabc5af633fb9fc948ae8d8999a8579870c1058645759f915fa6f68b912b5f", kill_on_drop: false }`
[INFO] [stdout] 1ccabc5af633fb9fc948ae8d8999a8579870c1058645759f915fa6f68b912b5f