[INFO] fetching crate nnv-rs 0.5.3...
[INFO] checking nnv-rs-0.5.3 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate nnv-rs 0.5.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate nnv-rs 0.5.3 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nnv-rs 0.5.3
[INFO] finished tweaking crates.io crate nnv-rs 0.5.3
[INFO] tweaked toml for crates.io crate nnv-rs 0.5.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate nnv-rs 0.5.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28e90359d7229147b26a301f073732df8e29b6a1d49eeabbcc96ad2eb16e18bf
[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" "28e90359d7229147b26a301f073732df8e29b6a1d49eeabbcc96ad2eb16e18bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28e90359d7229147b26a301f073732df8e29b6a1d49eeabbcc96ad2eb16e18bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28e90359d7229147b26a301f073732df8e29b6a1d49eeabbcc96ad2eb16e18bf", kill_on_drop: false }`
[INFO] [stdout] 28e90359d7229147b26a301f073732df8e29b6a1d49eeabbcc96ad2eb16e18bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b98e1666cddff162943e1a0223578068d21210c5a0daca0746e91bf648040042
[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" "b98e1666cddff162943e1a0223578068d21210c5a0daca0746e91bf648040042", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling slog-async v2.7.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling shlex v1.0.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling cpp_demangle v0.3.3
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling symbolic-demangle v8.3.0
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking coin_cbc_sys v0.1.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling pprof v0.5.0
[INFO] [stderr]    Compiling cargo-husky v1.5.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]     Checking debugid v0.7.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]     Checking coin_cbc v0.1.6
[INFO] [stderr]    Compiling clang-sys v1.2.0
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking good_lp v1.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling bindgen v0.58.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking object v0.26.0
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking approx v0.5.0
[INFO] [stderr]     Checking noisy_float v0.2.0
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking ordered-float v2.8.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking cblas-sys v0.1.4
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking lapack-sys v0.12.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking nix v0.20.1
[INFO] [stderr]     Checking shh v1.0.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking symbolic-common v8.3.0
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking inferno v0.10.7
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-0.15.44/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' -C metadata=b232c172eeb01781 -C extra-filename=-b232c172eeb01781 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-74cf65b213176c4b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-520fec877571f6ee.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-17df5e5ca0bb5bda.rmeta --cap-lints allow --cap-lints=forbid --cfg syn_can_match_trailing_dollar --cfg syn_can_use_thread_id --cfg syn_can_use_associated_constants --cfg syn_can_call_macro_by_path` (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" "b98e1666cddff162943e1a0223578068d21210c5a0daca0746e91bf648040042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b98e1666cddff162943e1a0223578068d21210c5a0daca0746e91bf648040042", kill_on_drop: false }`
[INFO] [stdout] b98e1666cddff162943e1a0223578068d21210c5a0daca0746e91bf648040042