[INFO] fetching crate napa 0.2.1...
[INFO] building napa-0.2.1 against master#a7f375789bab1a4e4a291c963081a8ca7d2b6bd7 for pr-93180
[INFO] extracting crate napa 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate napa 0.2.1 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 napa 0.2.1
[INFO] finished tweaking crates.io crate napa 0.2.1
[INFO] tweaked toml for crates.io crate napa 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate napa 0.2.1 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-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf3c8803e80e7c2d2d687bf381d07612df56818e6e45493757ede184fb1f68e8
[INFO] running `Command { std: "docker" "start" "-a" "cf3c8803e80e7c2d2d687bf381d07612df56818e6e45493757ede184fb1f68e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf3c8803e80e7c2d2d687bf381d07612df56818e6e45493757ede184fb1f68e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf3c8803e80e7c2d2d687bf381d07612df56818e6e45493757ede184fb1f68e8", kill_on_drop: false }`
[INFO] [stdout] cf3c8803e80e7c2d2d687bf381d07612df56818e6e45493757ede184fb1f68e8
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a104007441b992cf73b74f661425638a2a23d85fcf0d2712f5c1749d92852cf9
[INFO] running `Command { std: "docker" "start" "-a" "a104007441b992cf73b74f661425638a2a23d85fcf0d2712f5c1749d92852cf9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling minisign-verify v0.2.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling wayland-sys v0.27.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling libflate_lz77 v1.1.0
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling tar v0.4.38
[INFO] [stderr]    Compiling libflate v1.1.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling wayland-scanner v0.27.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling libsodium-sys-stable v1.19.19
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling term_size v0.3.2
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling os_pipe v0.9.2
[INFO] [stderr]    Compiling fd-lock v3.0.2
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling rlimit v0.6.2
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling wayland-client v0.27.0
[INFO] [stderr]    Compiling wayland-protocols v0.27.0
[INFO] [stderr]    Compiling eff-wordlist v1.0.2
[INFO] [stderr]    Compiling tree_magic v0.2.3
[INFO] [stderr]    Compiling stderrlog v0.4.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling wayland-commons v0.27.0
[INFO] [stderr]    Compiling rustyline v9.1.1
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.82/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="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=db6921b197c6610a -C extra-filename=-db6921b197c6610a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-cec411b88c3c5668.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-3b64c251b639f64f.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-3c8a88541efd8c80.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" "a104007441b992cf73b74f661425638a2a23d85fcf0d2712f5c1749d92852cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a104007441b992cf73b74f661425638a2a23d85fcf0d2712f5c1749d92852cf9", kill_on_drop: false }`
[INFO] [stdout] a104007441b992cf73b74f661425638a2a23d85fcf0d2712f5c1749d92852cf9