[INFO] fetching crate cargo-watch 8.3.0...
[INFO] building cargo-watch-8.3.0 against try#f41a2ab7b0d9462073425dd6c04abbeb4805cb77 for pr-97334-2
[INFO] extracting crate cargo-watch 8.3.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate cargo-watch 8.3.0 on toolchain f41a2ab7b0d9462073425dd6c04abbeb4805cb77
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f41a2ab7b0d9462073425dd6c04abbeb4805cb77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-watch 8.3.0
[INFO] finished tweaking crates.io crate cargo-watch 8.3.0
[INFO] tweaked toml for crates.io crate cargo-watch 8.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate cargo-watch 8.3.0 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" "+f41a2ab7b0d9462073425dd6c04abbeb4805cb77" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+f41a2ab7b0d9462073425dd6c04abbeb4805cb77" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 825a01fff869b90b7924a491e27fa6489b8fef694b7e2945382186aa34c34019
[INFO] running `Command { std: "docker" "start" "-a" "825a01fff869b90b7924a491e27fa6489b8fef694b7e2945382186aa34c34019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "825a01fff869b90b7924a491e27fa6489b8fef694b7e2945382186aa34c34019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "825a01fff869b90b7924a491e27fa6489b8fef694b7e2945382186aa34c34019", kill_on_drop: false }`
[INFO] [stdout] 825a01fff869b90b7924a491e27fa6489b8fef694b7e2945382186aa34c34019
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+f41a2ab7b0d9462073425dd6c04abbeb4805cb77" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6430177399ceaebc0d772991c02341c25ef6f4d9132723c401dbe808e53d4cf0
[INFO] running `Command { std: "docker" "start" "-a" "6430177399ceaebc0d772991c02341c25ef6f4d9132723c401dbe808e53d4cf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling polling v2.5.2
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling async-io v1.12.0
[INFO] [stderr]    Compiling concurrent-queue v2.0.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling async-trait v0.1.60
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stderr]    Compiling camino v1.1.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling async-lock v2.6.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.3
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.38
[INFO] [stderr]    Compiling digest v0.10.6
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling async-task v4.3.0
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling terminfo v0.7.3
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling async-executor v1.5.0
[INFO] [stderr]    Compiling which v4.3.0
[INFO] [stderr]    Compiling sha1 v0.10.5
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling async-broadcast v0.4.1
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling nix v0.22.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling filetime v0.2.19
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling nix v0.25.1
[INFO] [stderr]    Compiling async-channel v1.8.0
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling toml v0.5.10
[INFO] [stderr]    Compiling ordered-stream v0.1.2
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling iana-time-zone v0.1.53
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling chrono v0.4.23
[INFO] [stderr]    Compiling notify v4.0.17
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.107/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=0791d9a609efc649 -C extra-filename=-0791d9a609efc649 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-2d43ea299ac6dfe2.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-17af61df904456d1.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-488d9b1a6199d7b2.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" "6430177399ceaebc0d772991c02341c25ef6f4d9132723c401dbe808e53d4cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6430177399ceaebc0d772991c02341c25ef6f4d9132723c401dbe808e53d4cf0", kill_on_drop: false }`
[INFO] [stdout] 6430177399ceaebc0d772991c02341c25ef6f4d9132723c401dbe808e53d4cf0