[INFO] fetching crate semaphore-protocol 0.1.0...
[INFO] testing semaphore-protocol-0.1.0 against master#d933cf483edf1605142ac6899ff32536c0ad8b22 for pr-150933
[INFO] extracting crate semaphore-protocol 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate semaphore-protocol 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate semaphore-protocol 0.1.0
[INFO] tweaked toml for crates.io crate semaphore-protocol 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate semaphore-protocol 0.1.0 on toolchain d933cf483edf1605142ac6899ff32536c0ad8b22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate semaphore-protocol 0.1.0 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" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7644e924426ec9dc4fd5fe6992db8185c251a7d0148f7fa029a9024404b961b8
[INFO] running `Command { std: "docker" "start" "-a" "7644e924426ec9dc4fd5fe6992db8185c251a7d0148f7fa029a9024404b961b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7644e924426ec9dc4fd5fe6992db8185c251a7d0148f7fa029a9024404b961b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7644e924426ec9dc4fd5fe6992db8185c251a7d0148f7fa029a9024404b961b8", kill_on_drop: false }`
[INFO] [stdout] 7644e924426ec9dc4fd5fe6992db8185c251a7d0148f7fa029a9024404b961b8
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+d933cf483edf1605142ac6899ff32536c0ad8b22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d541b3edfefdbedf77010b609b7e6e676592ffa2f86acdc18129780e0c5046a1
[INFO] running `Command { std: "docker" "start" "-a" "d541b3edfefdbedf77010b609b7e6e676592ffa2f86acdc18129780e0c5046a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling typenum v1.18.0
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[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling const-oid v0.9.6
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling winnow v0.7.13
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling parity-scale-codec v3.7.4
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling crunchy v0.2.3
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling cc v1.2.19
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling rustix v1.0.5
[INFO] [stderr]    Compiling writeable v0.5.5
[INFO] [stderr]    Compiling litemap v0.7.5
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.1
[INFO] [stderr]    Compiling prettyplease v0.2.32
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling byte-slice-cast v1.2.3
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling icu_properties_data v1.5.1
[INFO] [stderr]    Compiling const_format v0.2.34
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling keccak v0.1.5
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling libloading v0.8.8
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling openssl v0.10.72
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling bindgen v0.72.1
[INFO] [stderr]    Compiling openssl-src v300.5.0+3.5.0
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling uint v0.9.5
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling utf16_iter v1.0.5
[INFO] [stderr]    Compiling base16ct v0.2.0
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling ark-std v0.5.0
[INFO] [stderr]    Compiling fixed-hash v0.8.0
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling write16 v1.0.0
[INFO] [stderr]    Compiling multimap v0.10.1
[INFO] [stderr]    Compiling portable-atomic v1.11.0
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling unicode-width v0.2.0
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling openssl-probe v0.1.6
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling ruint-macro v1.2.1
[INFO] [stderr]    Compiling openssl-sys v0.9.107
[INFO] [stderr]    Compiling rust-witness v0.1.4
[INFO] [stderr]    Compiling tempfile v3.19.1
[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/d933cf483edf1605142ac6899ff32536c0ad8b22/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.100/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=2fe6cf3b1abd605e -C extra-filename=-04fad5a3d97ef7f7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d8665169c487d19b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-60c6fa93c90874f2.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" "d541b3edfefdbedf77010b609b7e6e676592ffa2f86acdc18129780e0c5046a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d541b3edfefdbedf77010b609b7e6e676592ffa2f86acdc18129780e0c5046a1", kill_on_drop: false }`
[INFO] [stdout] d541b3edfefdbedf77010b609b7e6e676592ffa2f86acdc18129780e0c5046a1