[INFO] fetching crate seshat-watcher 0.8.0...
[INFO] testing seshat-watcher-0.8.0 against 1.100.0-beta.1 for beta-1.100-2
[INFO] extracting crate seshat-watcher 0.8.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate seshat-watcher 0.8.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate seshat-watcher 0.8.0
[INFO] tweaked toml for crates.io crate seshat-watcher 0.8.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate seshat-watcher 0.8.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate seshat-watcher 0.8.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f92eb3043326714313af91f61dd33fccdb4c4d0ceb1ca38f7953899ffe85e43c
[INFO] running `Command { std: "docker" "start" "f92eb3043326714313af91f61dd33fccdb4c4d0ceb1ca38f7953899ffe85e43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f92eb3043326714313af91f61dd33fccdb4c4d0ceb1ca38f7953899ffe85e43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f92eb3043326714313af91f61dd33fccdb4c4d0ceb1ca38f7953899ffe85e43c" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f92eb3043326714313af91f61dd33fccdb4c4d0ceb1ca38f7953899ffe85e43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f92eb3043326714313af91f61dd33fccdb4c4d0ceb1ca38f7953899ffe85e43c" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.26
[INFO] [stderr]    Compiling libc v0.2.189
[INFO] [stderr]    Compiling cfg-if v1.0.5
[INFO] [stderr]    Compiling memchr v2.8.3
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling shlex v2.0.1
[INFO] [stderr]    Compiling find-msvc-tools v0.1.14
[INFO] [stderr]    Compiling smallvec v1.16.2
[INFO] [stderr]    Compiling bitflags v2.13.2
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling autocfg v1.5.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.5.2
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling log v0.4.34
[INFO] [stderr]    Compiling fastrand v2.5.0
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling cc v1.5.1
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling aho-corasick v1.1.5
[INFO] [stderr]    Compiling gix-trace v0.2.0
[INFO] [stderr]    Compiling tinyvec v1.13.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling pkg-config v0.3.34
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling faster-hex v0.10.1
[INFO] [stderr]    Compiling hash32 v0.3.1
[INFO] [stderr]    Compiling bytes v1.12.1
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling rustix v1.1.5
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling crossbeam-channel v0.5.17
[INFO] [stderr]    Compiling syn v3.0.6
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling sha1dc v0.1.5
[INFO] [stderr]    Compiling litemap v0.8.3
[INFO] [stderr]    Compiling writeable v0.6.4
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.21
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling icu_normalizer_data v2.3.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling crossbeam-deque v0.8.8
[INFO] [stderr]    Compiling icu_properties_data v2.3.0
[INFO] [stderr]    Compiling prodash v31.0.1
[INFO] [stderr]    Compiling thiserror v2.0.21
[INFO] [stderr]    Compiling jiff-core v0.1.1
[INFO] [stderr]    Compiling zeroize v1.9.0
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling openssl-sys v0.9.117
[INFO] [stderr]    Compiling openssl v0.10.81
[INFO] [stderr]    Compiling zmij v1.0.23
[INFO] [stderr]    Compiling rustversion v1.0.23
[INFO] [stderr]    Compiling memmap2 v0.9.11
[INFO] [stderr]    Compiling dashmap v6.2.1
[INFO] [stderr]    Compiling jiff v0.2.37
[INFO] [stderr]    Compiling mio v1.2.3
[INFO] [stderr]    Compiling futures-core v0.3.34
[INFO] [stderr]    Compiling http v1.5.0
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling zerocopy v0.8.59
[INFO] [stderr]    Compiling simd-adler32 v0.3.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling socket2 v0.6.5
[INFO] [stderr]    Compiling tracing-core v0.1.36
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling arrayvec v0.7.8
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling base64ct v1.8.3
[INFO] [stderr]    Compiling either v1.18.0
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling tree-sitter-language v0.1.8
[INFO] [stderr]    Compiling num-integer v0.1.47
[INFO] [stderr]    Compiling pem-rfc7468 v1.0.0
[INFO] [stderr]    Compiling nonempty v0.12.0
[INFO] [stderr]    Compiling encoding_rs v0.8.42
[INFO] [stderr]    Compiling rayon v1.12.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling rustls-pki-types v1.15.1
[INFO] [stderr]    Compiling indexmap v2.14.2
[INFO] [stderr]    Compiling socks v0.3.4
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling utf8-zero v0.8.1
[INFO] [stderr]    Compiling der v0.8.2
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling native-tls v0.2.18
[INFO] [stderr]    Compiling unicode-bom v2.0.3
[INFO] [stderr]    Compiling http-body v1.1.0
[INFO] [stderr]    Compiling miniz_oxide v0.9.1
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling core_detect v1.0.0
[INFO] [stderr]    Compiling multiversion_no_op v1.0.0
[INFO] [stderr]    Compiling futures-task v0.3.34
[INFO] [stderr]    Compiling base64 v0.23.1
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling anyhow v1.0.104
[INFO] [stderr]    Compiling simdutf8 v0.1.5
[INFO] [stderr]    Compiling bytemuck v1.25.2
[INFO] [stderr]    Compiling futures-sink v0.3.34
[INFO] [stderr]    Compiling futures-util v0.3.34
[INFO] [stderr]    Compiling num-bigint v0.4.8
[INFO] [stderr]    Compiling flate2 v1.1.10
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling time-core v0.1.9
[INFO] [stderr]    Compiling num-conv v0.2.2
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling webpki-root-certs v1.0.9
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling synstructure v0.14.0
[INFO] [stderr]    Compiling bstr v1.13.1
[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/1.100.0-beta.1-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-3.0.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat,unused-externs-silent --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=3f69b356b7a36f08 -C extra-filename=-6cd91ae8e062f563 --out-dir /opt/rustwide/target/debug/build/syn/6cd91ae8e062f563/out -L dependency=/opt/rustwide/target/debug/build/proc-macro2/9777a2717d7b7d19/out -L dependency=/opt/rustwide/target/debug/build/unicode-ident/7d090ccf0d71aea6/out --extern proc_macro2=/opt/rustwide/target/debug/build/proc-macro2/9777a2717d7b7d19/out/libproc_macro2-9777a2717d7b7d19.rmeta --extern quote=/opt/rustwide/target/debug/build/quote/12eb74adb1fe7137/out/libquote-12eb74adb1fe7137.rmeta --extern unicode_ident=/opt/rustwide/target/debug/build/unicode-ident/7d090ccf0d71aea6/out/libunicode_ident-7d090ccf0d71aea6.rmeta --cap-lints allow --cap-lints=warn --force-warn=unused_crate_dependencies` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f92eb3043326714313af91f61dd33fccdb4c4d0ceb1ca38f7953899ffe85e43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f92eb3043326714313af91f61dd33fccdb4c4d0ceb1ca38f7953899ffe85e43c", kill_on_drop: false }`
[INFO] [stdout] f92eb3043326714313af91f61dd33fccdb4c4d0ceb1ca38f7953899ffe85e43c
