[INFO] fetching crate rcheat 0.2.0...
[INFO] testing rcheat-0.2.0 against try#a7ee93192a766fb0dafa23def7154fc03cfcfc3e for pr-146989
[INFO] extracting crate rcheat 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate rcheat 0.2.0
[INFO] finished tweaking crates.io crate rcheat 0.2.0
[INFO] tweaked toml for crates.io crate rcheat 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rcheat 0.2.0 on toolchain a7ee93192a766fb0dafa23def7154fc03cfcfc3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rcheat 0.2.0 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" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90587ea8647c861589253572f51f8f6f98cf982966af9cf52441afc2421d1568
[INFO] running `Command { std: "docker" "start" "-a" "90587ea8647c861589253572f51f8f6f98cf982966af9cf52441afc2421d1568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90587ea8647c861589253572f51f8f6f98cf982966af9cf52441afc2421d1568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90587ea8647c861589253572f51f8f6f98cf982966af9cf52441afc2421d1568", kill_on_drop: false }`
[INFO] [stdout] 90587ea8647c861589253572f51f8f6f98cf982966af9cf52441afc2421d1568
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7ee93192a766fb0dafa23def7154fc03cfcfc3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 698873b72ef6dff1b829e1a2d4439f331d5c137e39ccd21bc8cb440c6080f727
[INFO] running `Command { std: "docker" "start" "-a" "698873b72ef6dff1b829e1a2d4439f331d5c137e39ccd21bc8cb440c6080f727", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]    Compiling const_fn v0.4.10
[INFO] [stderr]    Compiling rustix v0.38.41
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling itoa v1.0.12
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling cc v1.2.1
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling is_debug v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cpp_demangle v0.4.4
[INFO] [stderr]    Compiling uuid v1.11.0
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling crc32fast v1.4.2
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling hashbrown v0.15.1
[INFO] [stderr]    Compiling clap_lex v0.7.3
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]    Compiling debugid v0.8.0
[INFO] [stderr]    Compiling tz-rs v0.6.14
[INFO] [stderr]    Compiling symbolic-demangle v12.12.1
[INFO] [stderr]    Compiling bytecount v0.6.8
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling flate2 v1.0.35
[INFO] [stderr]    Compiling clap_builder v4.5.21
[INFO] [stderr]    Compiling papergrid v0.12.0
[INFO] [stderr]    Compiling lua-src v547.0.0
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling ruzstd v0.7.2
[INFO] [stderr]    Compiling indexmap v2.6.0
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]    Compiling bstr v1.11.0
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.33
[INFO] [stderr]    Compiling tzdb_data v0.1.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling rustc-hash v2.0.0
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling const_format v0.2.33
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling fallible-iterator v0.3.0
[INFO] [stderr]    Compiling symbolic-common v12.12.1
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling which v6.0.3
[INFO] [stderr]    Compiling luajit-src v210.5.11+97813fb
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling object v0.36.5
[INFO] [stderr]    Compiling mlua-sys v0.6.5
[INFO] [stderr]    Compiling bytes v1.8.0
[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/a7ee93192a766fb0dafa23def7154fc03cfcfc3e/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.87/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=5079aed4d07c4d40 -C extra-filename=-b0faff6e08caa521 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0bdc431eb96d85d4.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b2d73e5ea675401b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-13328ff8d6cc16fd.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" "698873b72ef6dff1b829e1a2d4439f331d5c137e39ccd21bc8cb440c6080f727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "698873b72ef6dff1b829e1a2d4439f331d5c137e39ccd21bc8cb440c6080f727", kill_on_drop: false }`
[INFO] [stdout] 698873b72ef6dff1b829e1a2d4439f331d5c137e39ccd21bc8cb440c6080f727