[INFO] fetching crate railroad_dsl 0.2.2...
[INFO] building railroad_dsl-0.2.2 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate railroad_dsl 0.2.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate railroad_dsl 0.2.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate railroad_dsl 0.2.2
[INFO] tweaked toml for crates.io crate railroad_dsl 0.2.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate railroad_dsl 0.2.2 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate railroad_dsl 0.2.2 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1028244872b9846d648e7a1393d46bf32a9b53543488960952484404ab23aa95
[INFO] running `Command { std: "docker" "start" "-a" "1028244872b9846d648e7a1393d46bf32a9b53543488960952484404ab23aa95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1028244872b9846d648e7a1393d46bf32a9b53543488960952484404ab23aa95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1028244872b9846d648e7a1393d46bf32a9b53543488960952484404ab23aa95", kill_on_drop: false }`
[INFO] [stdout] 1028244872b9846d648e7a1393d46bf32a9b53543488960952484404ab23aa95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3b2f8ae92fb3bf20106a7cf223b9a4b36b0fe6bde1a4758773a0d654d6d9cac
[INFO] running `Command { std: "docker" "start" "-a" "a3b2f8ae92fb3bf20106a7cf223b9a4b36b0fe6bde1a4758773a0d654d6d9cac", kill_on_drop: false }`
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling bytemuck v1.16.1
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling float-cmp v0.9.0
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling arrayref v0.3.8
[INFO] [stderr]    Compiling ttf-parser v0.21.1
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling roxmltree v0.19.0
[INFO] [stderr]    Compiling tinyvec v1.8.0
[INFO] [stderr]    Compiling unicode-properties v0.1.1
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]    Compiling unicode-ccc v0.2.0
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]    Compiling memmap2 v0.9.4
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling strict-num v0.1.1
[INFO] [stderr]    Compiling unicode-script v0.5.6
[INFO] [stderr]    Compiling unicode-bidi-mirroring v0.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.4
[INFO] [stderr]    Compiling fdeflate v0.3.4
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling kurbo v0.11.0
[INFO] [stderr]    Compiling tiny-skia-path v0.11.4
[INFO] [stderr]    Compiling fontconfig-parser v0.5.6
[INFO] [stderr]    Compiling anstyle-parse v0.2.5
[INFO] [stderr]    Compiling simplecss v0.2.1
[INFO] [stderr]    Compiling unicode-vo v0.1.0
[INFO] [stderr]    Compiling anstyle-query v1.1.1
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling colorchoice v1.0.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling flate2 v1.0.30
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling xmlwriter v0.1.0
[INFO] [stderr]    Compiling imagesize v0.12.0
[INFO] [stderr]    Compiling weezl v0.1.8
[INFO] [stderr]    Compiling data-url v0.3.1
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling roxmltree v0.20.0
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling rgb v0.8.45
[INFO] [stderr]    Compiling gif v0.13.1
[INFO] [stderr]    Compiling svgtypes v0.15.1
[INFO] [stderr]    Compiling png v0.17.13
[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/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.72/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="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=bfdd9d9589d10a43 -C extra-filename=-f95f7523ab384a17 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-90f4d189e3c1781a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ea54d792119c380c.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f2de522ba645d884.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" "a3b2f8ae92fb3bf20106a7cf223b9a4b36b0fe6bde1a4758773a0d654d6d9cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3b2f8ae92fb3bf20106a7cf223b9a4b36b0fe6bde1a4758773a0d654d6d9cac", kill_on_drop: false }`
[INFO] [stdout] a3b2f8ae92fb3bf20106a7cf223b9a4b36b0fe6bde1a4758773a0d654d6d9cac