[INFO] fetching crate tract-tensorflow 0.15.8...
[INFO] testing tract-tensorflow-0.15.8 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate tract-tensorflow 0.15.8 into /workspace/builds/worker-115/source
[INFO] validating manifest of crates.io crate tract-tensorflow 0.15.8 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tract-tensorflow 0.15.8
[INFO] finished tweaking crates.io crate tract-tensorflow 0.15.8
[INFO] tweaked toml for crates.io crate tract-tensorflow 0.15.8 written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] crate crates.io crate tract-tensorflow 0.15.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a473036a3f4e6a8546d7526b7a80e59f442f43080e2877679926923d4f30eec
[INFO] running `Command { std: "docker" "start" "-a" "4a473036a3f4e6a8546d7526b7a80e59f442f43080e2877679926923d4f30eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a473036a3f4e6a8546d7526b7a80e59f442f43080e2877679926923d4f30eec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a473036a3f4e6a8546d7526b7a80e59f442f43080e2877679926923d4f30eec", kill_on_drop: false }`
[INFO] [stdout] 4a473036a3f4e6a8546d7526b7a80e59f442f43080e2877679926923d4f30eec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e370852c5cb753133843245e82801784f93a3a78f14f75fa50bb8427262c591
[INFO] running `Command { std: "docker" "start" "-a" "5e370852c5cb753133843245e82801784f93a3a78f14f75fa50bb8427262c591", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling anymap2 v0.13.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling dyn-clone v1.0.4
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling fixedbitset v0.4.0
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling matrixmultiply v0.3.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling tinyvec v1.5.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling which v4.2.2
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling mapr v0.8.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling tar v0.4.37
[INFO] [stderr]    Compiling prost-build v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling proc-quote-impl v0.3.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling petgraph v0.6.0
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling ndarray v0.15.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling proc-quote v0.4.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling liquid-derive v0.23.0
[INFO] [stderr]    Compiling enum-ordinalize v3.1.10
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling prost-derive v0.9.0
[INFO] [stderr]    Compiling educe v0.4.18
[INFO] [stderr]    Compiling prost v0.9.0
[INFO] [stderr]    Compiling prost-types v0.9.0
[INFO] [stderr]    Compiling tract-data v0.15.8
[INFO] [stderr]    Compiling tract-tensorflow v0.15.8 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling kstring v1.0.6
[INFO] [stderr]    Compiling liquid-core v0.23.0
[INFO] [stderr]    Compiling liquid-lib v0.23.0
[INFO] [stderr]    Compiling liquid v0.23.0
[INFO] [stderr]    Compiling tract-linalg v0.15.8
[INFO] [stderr]    Compiling tract-core v0.15.8
[INFO] [stderr]    Compiling tract-nnef v0.15.8
[INFO] [stderr]    Compiling tract-hir v0.15.8
[INFO] [stderr]    Compiling tract-pulse-opl v0.15.8
[INFO] [stderr]    Compiling tract-pulse v0.15.8
[INFO] [stderr] error: could not compile `tract-core`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tract_core --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tract-core-0.15.8/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=b73f8ccd1f640062 -C extra-filename=-b73f8ccd1f640062 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-b13849b6101a8a36.rmeta --extern bit_set=/opt/rustwide/target/debug/deps/libbit_set-5a0ec0b9f989ea16.rmeta --extern derive_new=/opt/rustwide/target/debug/deps/libderive_new-e6da9e38f91a1a0d.so --extern downcast_rs=/opt/rustwide/target/debug/deps/libdowncast_rs-8a3b02fa2485b373.rmeta --extern dyn_clone=/opt/rustwide/target/debug/deps/libdyn_clone-35ad6e72167a99d3.rmeta --extern educe=/opt/rustwide/target/debug/deps/libeduce-94a5a79a2acf920f.so --extern half=/opt/rustwide/target/debug/deps/libhalf-d757bd2acf15bca0.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b33cd6b8ee13db74.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-41607b4997ff699e.rmeta --extern maplit=/opt/rustwide/target/debug/deps/libmaplit-f87334d4ddfcf750.rmeta --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-6d0078f4b8a273bd.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-3db027cfb3bd97d4.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-465a2bd5cb0fd6cd.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-1fbe5b6a2871d455.rmeta --extern tract_data=/opt/rustwide/target/debug/deps/libtract_data-abf45afe621fa52f.rmeta --extern tract_linalg=/opt/rustwide/target/debug/deps/libtract_linalg-5d0b1ec3ee80f46e.rmeta --cap-lints allow --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/tract-linalg-263fea5030e739a9/out` (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" "5e370852c5cb753133843245e82801784f93a3a78f14f75fa50bb8427262c591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e370852c5cb753133843245e82801784f93a3a78f14f75fa50bb8427262c591", kill_on_drop: false }`
[INFO] [stdout] 5e370852c5cb753133843245e82801784f93a3a78f14f75fa50bb8427262c591