[INFO] fetching crate prest-npm 0.2.0-debug2...
[INFO] building prest-npm-0.2.0-debug2 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate prest-npm 0.2.0-debug2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate prest-npm 0.2.0-debug2
[INFO] finished tweaking crates.io crate prest-npm 0.2.0-debug2
[INFO] tweaked toml for crates.io crate prest-npm 0.2.0-debug2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate prest-npm 0.2.0-debug2 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate prest-npm 0.2.0-debug2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8dae2b31f426ad5552137a8db9ab8258c5b1f0ac339916bfe16ecb270aeb4f58
[INFO] running `Command { std: "docker" "start" "-a" "8dae2b31f426ad5552137a8db9ab8258c5b1f0ac339916bfe16ecb270aeb4f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dae2b31f426ad5552137a8db9ab8258c5b1f0ac339916bfe16ecb270aeb4f58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dae2b31f426ad5552137a8db9ab8258c5b1f0ac339916bfe16ecb270aeb4f58", kill_on_drop: false }`
[INFO] [stdout] 8dae2b31f426ad5552137a8db9ab8258c5b1f0ac339916bfe16ecb270aeb4f58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e1c2da44133192f459a211c7c160b7248fd0bb60919f6d452cbab53259ed258
[INFO] running `Command { std: "docker" "start" "-a" "8e1c2da44133192f459a211c7c160b7248fd0bb60919f6d452cbab53259ed258", kill_on_drop: false }`
[INFO] [stderr]    Compiling slab v0.4.10
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustls v0.23.28
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling color-spantrace v0.3.0
[INFO] [stderr]    Compiling brotli v8.0.1
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling webpki-roots v1.0.1
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling cached_proc_macro_types v0.1.1
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling winnow v0.7.11
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling inotify v0.11.0
[INFO] [stderr]    Compiling castaway v0.2.3
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling xattr v0.2.3
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling notify-types v2.0.0
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling bytecount v0.6.9
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling notify v8.0.0
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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 --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"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=d96c107fed961ed7 -C extra-filename=-ba19de617ecbe125 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-09040b10b620fa15.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-bff949ffe258c67d.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8e1c2da44133192f459a211c7c160b7248fd0bb60919f6d452cbab53259ed258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e1c2da44133192f459a211c7c160b7248fd0bb60919f6d452cbab53259ed258", kill_on_drop: false }`
[INFO] [stdout] 8e1c2da44133192f459a211c7c160b7248fd0bb60919f6d452cbab53259ed258