[INFO] fetching crate watchexec-cli 1.20.6...
[INFO] building watchexec-cli-1.20.6 against try#3bbb5242a8064de4ca3af4036745ddf603ddaa85 for pr-101929
[INFO] extracting crate watchexec-cli 1.20.6 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate watchexec-cli 1.20.6 on toolchain 3bbb5242a8064de4ca3af4036745ddf603ddaa85
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bbb5242a8064de4ca3af4036745ddf603ddaa85" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate watchexec-cli 1.20.6
[INFO] finished tweaking crates.io crate watchexec-cli 1.20.6
[INFO] tweaked toml for crates.io crate watchexec-cli 1.20.6 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate watchexec-cli 1.20.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bbb5242a8064de4ca3af4036745ddf603ddaa85" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:e92e462e59ac3446a933540fd361ddeb5362c86f92d432d6a560a917a465022e" "/opt/rustwide/cargo-home/bin/cargo" "+3bbb5242a8064de4ca3af4036745ddf603ddaa85" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88264effda379cc3667dc62dab6cd84cf2b4f522fd37eebea0429fa3f3a2a3b6
[INFO] running `Command { std: "docker" "start" "-a" "88264effda379cc3667dc62dab6cd84cf2b4f522fd37eebea0429fa3f3a2a3b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88264effda379cc3667dc62dab6cd84cf2b4f522fd37eebea0429fa3f3a2a3b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88264effda379cc3667dc62dab6cd84cf2b4f522fd37eebea0429fa3f3a2a3b6", kill_on_drop: false }`
[INFO] [stdout] 88264effda379cc3667dc62dab6cd84cf2b4f522fd37eebea0429fa3f3a2a3b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:e92e462e59ac3446a933540fd361ddeb5362c86f92d432d6a560a917a465022e" "/opt/rustwide/cargo-home/bin/cargo" "+3bbb5242a8064de4ca3af4036745ddf603ddaa85" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 000a218705e9a349e117d2f6df238cc918ca5e75caa668e4425c138acdba7de3
[INFO] running `Command { std: "docker" "start" "-a" "000a218705e9a349e117d2f6df238cc918ca5e75caa668e4425c138acdba7de3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling once_cell v1.14.0
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-core v0.3.24
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling futures-io v0.3.24
[INFO] [stderr]    Compiling futures-channel v0.3.24
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling futures-task v0.3.24
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling itoa v1.0.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling futures-util v0.3.24
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling sha1_smol v1.0.0
[INFO] [stderr]    Compiling futures-sink v0.3.24
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling tracing-core v0.1.29
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling signal-hook v0.3.14
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling tokio v1.21.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling async-trait v0.1.57
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling mio v0.8.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dashmap v5.4.0
[INFO] [stderr]    Compiling btoi v0.4.2
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]    Compiling git-tempfile v2.0.4
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling gimli v0.26.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling smawk v0.3.1
[INFO] [stderr]    Compiling git-lock v2.1.1
[INFO] [stderr]    Compiling miniz_oxide v0.5.4
[INFO] [stderr]    Compiling terminfo v0.7.3
[INFO] [stderr]    Compiling memmap2 v0.5.7
[INFO] [stderr]    Compiling object v0.29.0
[INFO] [stderr]    Compiling time v0.3.14
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling is_ci v1.1.1
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling supports-color v1.3.0
[INFO] [stderr]    Compiling git-validate v0.5.5
[INFO] [stderr]    Compiling git-glob v0.3.2
[INFO] [stderr]    Compiling globset v0.4.9
[INFO] [stderr]    Compiling supports-unicode v1.0.2
[INFO] [stderr]    Compiling git-date v0.1.0
[INFO] [stderr]    Compiling supports-hyperlinks v1.2.0
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling git-actor v0.11.4
[INFO] [stderr]    Compiling git-sec v0.3.1
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling cache-padded v1.2.0
[INFO] [stderr]    Compiling semver v1.0.13
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling unicode-bom v1.1.4
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.4
[INFO] [stderr]    Compiling ignore v0.4.18
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling which v4.3.0
[INFO] [stderr]    Compiling nix v0.22.3
[INFO] [stderr]    Compiling nix v0.24.2
[INFO] [stderr]    Compiling filetime v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling polling v2.3.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling dunce v1.0.2
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling notify v5.0.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling async-priority-channel v0.1.0
[INFO] [stderr]    Compiling async-io v1.9.0
[INFO] [stderr]    Compiling toml v0.5.9
[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-1.0.99/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=2af7e45d102d08ec -C extra-filename=-2af7e45d102d08ec --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0975f7164c8c3ab4.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-967674c9b7b1b4f6.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b56236affa4c1d72.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" "000a218705e9a349e117d2f6df238cc918ca5e75caa668e4425c138acdba7de3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "000a218705e9a349e117d2f6df238cc918ca5e75caa668e4425c138acdba7de3", kill_on_drop: false }`
[INFO] [stdout] 000a218705e9a349e117d2f6df238cc918ca5e75caa668e4425c138acdba7de3