[INFO] cloning repository https://github.com/Rua/ferret
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rua/ferret" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRua%2Fferret", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRua%2Fferret'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e37027d20a1833b21c249666bc570a89de28e8c3
[INFO] checking Rua/ferret against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRua%2Fferret" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rua/ferret on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Rua/ferret
[INFO] finished tweaking git repo https://github.com/Rua/ferret
[INFO] tweaked toml for git repo https://github.com/Rua/ferret written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Rua/ferret already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rua/legion`
[INFO] [stderr]     Updating git repository `https://github.com/vulkano-rs/vulkano`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded colored v2.0.0
[INFO] [stderr]   Downloaded paste v1.0.2
[INFO] [stderr]   Downloaded num-derive v0.3.3
[INFO] [stderr]   Downloaded cpal v0.13.1
[INFO] [stderr]   Downloaded jni v0.17.0
[INFO] [stderr]   Downloaded jni v0.14.0
[INFO] [stderr]   Downloaded chunked_transfer v1.3.0
[INFO] [stderr]   Downloaded combine v4.3.2
[INFO] [stderr]   Downloaded alsa v0.4.3
[INFO] [stderr]   Downloaded fetch_unroll v0.2.1
[INFO] [stderr]   Downloaded xcursor v0.3.2
[INFO] [stderr]   Downloaded cesu8 v1.1.0
[INFO] [stderr]   Downloaded backtrace v0.3.54
[INFO] [stderr]   Downloaded ureq v0.11.4
[INFO] [stderr]   Downloaded oboe-sys v0.3.0
[INFO] [stderr]   Downloaded oboe v0.3.0
[INFO] [stderr]   Downloaded relative-path v1.3.2
[INFO] [stderr]   Downloaded cc v1.0.62
[INFO] [stderr]   Downloaded rustls v0.16.0
[INFO] [stderr]   Downloaded nalgebra v0.23.0
[INFO] [stderr]   Downloaded rodio v0.13.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc9aa014431034105ff03884cecedecf343e717f4074302d70d3a5be3340b330
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dc9aa014431034105ff03884cecedecf343e717f4074302d70d3a5be3340b330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc9aa014431034105ff03884cecedecf343e717f4074302d70d3a5be3340b330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc9aa014431034105ff03884cecedecf343e717f4074302d70d3a5be3340b330", kill_on_drop: false }`
[INFO] [stdout] dc9aa014431034105ff03884cecedecf343e717f4074302d70d3a5be3340b330
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4b67909777f5ea221b83cde9759674cadb16029ffa71c2ec22b3f12fc5c901a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d4b67909777f5ea221b83cde9759674cadb16029ffa71c2ec22b3f12fc5c901a", 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]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.4
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling vulkano v0.19.0 (https://github.com/vulkano-rs/vulkano#ccd22a4a)
[INFO] [stderr]    Compiling cpal v0.13.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling paste v1.0.2
[INFO] [stderr]     Checking vk-sys v0.5.2 (https://github.com/vulkano-rs/vulkano#ccd22a4a)
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling anyhow v1.0.34
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking relative-path v1.3.2
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking shrev v1.1.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking libloading v0.6.5
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling winit v0.23.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling wayland-sys v0.28.2
[INFO] [stderr]    Compiling alsa-sys v0.3.0
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling shaderc-sys v0.6.3
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling wayland-scanner v0.28.2
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr] error: could not compile `nom`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nom --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nom-5.1.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C opt-level=1 -C embed-bitcode=no -C debuginfo=2 -C debug-assertions=on --cfg 'feature="alloc"' --cfg 'feature="std"' -C metadata=cd02672fe365613e -C extra-filename=-cd02672fe365613e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-00bf3d0e3ab7daee.rmeta --cap-lints allow --cap-lints=forbid --cfg stable_i128` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d4b67909777f5ea221b83cde9759674cadb16029ffa71c2ec22b3f12fc5c901a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4b67909777f5ea221b83cde9759674cadb16029ffa71c2ec22b3f12fc5c901a", kill_on_drop: false }`
[INFO] [stdout] d4b67909777f5ea221b83cde9759674cadb16029ffa71c2ec22b3f12fc5c901a