[INFO] fetching crate save_my_code 2.0.0...
[INFO] checking save_my_code-2.0.0 against master#568b11762723b001bfa693d0f21c5dad01d4e813 for pr-149058
[INFO] extracting crate save_my_code 2.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate save_my_code 2.0.0
[INFO] finished tweaking crates.io crate save_my_code 2.0.0
[INFO] tweaked toml for crates.io crate save_my_code 2.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate save_my_code 2.0.0 on toolchain 568b11762723b001bfa693d0f21c5dad01d4e813
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate save_my_code 2.0.0 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" "+568b11762723b001bfa693d0f21c5dad01d4e813" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded toml v0.9.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9209e8079b61f9005c6577a7d78c9562b4f72c4f54262fee61eb93bd7157c531
[INFO] running `Command { std: "docker" "start" "-a" "9209e8079b61f9005c6577a7d78c9562b4f72c4f54262fee61eb93bd7157c531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9209e8079b61f9005c6577a7d78c9562b4f72c4f54262fee61eb93bd7157c531", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9209e8079b61f9005c6577a7d78c9562b4f72c4f54262fee61eb93bd7157c531", kill_on_drop: false }`
[INFO] [stdout] 9209e8079b61f9005c6577a7d78c9562b4f72c4f54262fee61eb93bd7157c531
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+568b11762723b001bfa693d0f21c5dad01d4e813" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8eb813da402aca6f1a3f625b2538d54d9dd7f335d8933a4a7f07c9942f4412e3
[INFO] running `Command { std: "docker" "start" "-a" "8eb813da402aca6f1a3f625b2538d54d9dd7f335d8933a4a7f07c9942f4412e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]     Checking gix-trace v0.1.13
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking tinyvec v1.9.0
[INFO] [stderr]     Checking crc32fast v1.5.0
[INFO] [stderr]     Checking zlib-rs v0.5.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking human_format v1.1.0
[INFO] [stderr]     Checking bytesize v2.0.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]     Checking winnow v0.7.12
[INFO] [stderr]     Checking jiff v0.2.15
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking memmap2 v0.9.7
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]     Checking base64ct v1.8.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking hashbrown v0.14.5
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[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]     Checking unicode-bom v2.0.3
[INFO] [stderr]     Checking kstring v2.0.2
[INFO] [stderr]     Checking faster-hex v0.10.0
[INFO] [stderr]     Checking unicode-normalization v0.1.24
[INFO] [stderr]     Checking shell-words v1.1.0
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking gix-sec v0.12.0
[INFO] [stderr]     Checking libz-rs-sys v0.5.1
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]     Checking ff v0.13.1
[INFO] [stderr]     Checking filetime v0.2.25
[INFO] [stderr]     Checking base16ct v0.2.0
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling cc v1.2.30
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling libloading v0.8.8
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling bindgen v0.63.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]     Checking tempfile v3.20.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling ena v0.14.3
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling portable-atomic v1.11.1
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling lalrpop-util v0.20.2
[INFO] [stderr]     Checking anstyle-parse v0.2.7
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]     Checking uluru v3.1.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]     Checking imara-diff v0.1.8
[INFO] [stderr]     Checking anstyle v1.0.11
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]     Checking anstyle-query v1.1.3
[INFO] [stderr]     Checking clru v0.6.2
[INFO] [stderr]     Checking colorchoice v1.0.4
[INFO] [stderr]     Checking libbz2-rs-sys v0.2.1
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling liblzma-sys v0.4.4
[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/568b11762723b001bfa693d0f21c5dad01d4e813/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' --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=de973827722597b6 -C extra-filename=-80efd27035400d69 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-e6fd386b8b8d865f.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-4e354ff8336ad124.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" "8eb813da402aca6f1a3f625b2538d54d9dd7f335d8933a4a7f07c9942f4412e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eb813da402aca6f1a3f625b2538d54d9dd7f335d8933a4a7f07c9942f4412e3", kill_on_drop: false }`
[INFO] [stdout] 8eb813da402aca6f1a3f625b2538d54d9dd7f335d8933a4a7f07c9942f4412e3