[INFO] fetching crate quickswitch 0.2.1...
[INFO] building quickswitch-0.2.1 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate quickswitch 0.2.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate quickswitch 0.2.1
[INFO] finished tweaking crates.io crate quickswitch 0.2.1
[INFO] tweaked toml for crates.io crate quickswitch 0.2.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate quickswitch 0.2.1 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 quickswitch 0.2.1 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90e62bb59c7030d997c35b0b8612c34c470549f4c79dc960ff5cab75ef63dcf2
[INFO] running `Command { std: "docker" "start" "-a" "90e62bb59c7030d997c35b0b8612c34c470549f4c79dc960ff5cab75ef63dcf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90e62bb59c7030d997c35b0b8612c34c470549f4c79dc960ff5cab75ef63dcf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90e62bb59c7030d997c35b0b8612c34c470549f4c79dc960ff5cab75ef63dcf2", kill_on_drop: false }`
[INFO] [stdout] 90e62bb59c7030d997c35b0b8612c34c470549f4c79dc960ff5cab75ef63dcf2
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d441ebcd5a75804a645ab0c3f82fff4361cd983a3be3db54db7f8b3280a1a7f7
[INFO] running `Command { std: "docker" "start" "-a" "d441ebcd5a75804a645ab0c3f82fff4361cd983a3be3db54db7f8b3280a1a7f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling block-padding v0.3.3
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling built v0.7.7
[INFO] [stderr]    Compiling weezl v0.1.10
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling maybe-rayon v0.1.1
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling imgref v1.11.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling bitstream-io v2.6.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]    Compiling quick-error v2.0.1
[INFO] [stderr]    Compiling loop9 v0.1.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling nom v8.0.0
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling avif-serialize v0.8.5
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling fdeflate v0.3.7
[INFO] [stderr]    Compiling castaway v0.2.3
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling jpeg-decoder v0.3.2
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling rgb v0.8.52
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling pom v1.1.0
[INFO] [stderr]    Compiling byteorder-lite v0.1.0
[INFO] [stderr]    Compiling bytecount v0.6.9
[INFO] [stderr]    Compiling bytemuck v1.23.1
[INFO] [stderr]    Compiling zune-core v0.4.12
[INFO] [stderr]    Compiling compact_str v0.8.1
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling zune-jpeg v0.4.19
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling gif v0.13.3
[INFO] [stderr]    Compiling png v0.17.16
[INFO] [stderr]    Compiling unicode-truncate v1.1.0
[INFO] [stderr]    Compiling exr v1.73.0
[INFO] [stderr]    Compiling image-webp v0.2.3
[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=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.104/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"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=fc2d761d356240d4 -C extra-filename=-9f5c9e5ae785503f --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" "d441ebcd5a75804a645ab0c3f82fff4361cd983a3be3db54db7f8b3280a1a7f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d441ebcd5a75804a645ab0c3f82fff4361cd983a3be3db54db7f8b3280a1a7f7", kill_on_drop: false }`
[INFO] [stdout] d441ebcd5a75804a645ab0c3f82fff4361cd983a3be3db54db7f8b3280a1a7f7