[INFO] fetching crate semaphore-rs 0.5.0...
[INFO] testing semaphore-rs-0.5.0 against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628-retry-1
[INFO] extracting crate semaphore-rs 0.5.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate semaphore-rs 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate semaphore-rs 0.5.0
[INFO] tweaked toml for crates.io crate semaphore-rs 0.5.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate semaphore-rs 0.5.0 on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate semaphore-rs 0.5.0 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" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3bef788e44014b1dc3773af0788f546a0d2c4ee32f7d58a688773fddb46e119
[INFO] running `Command { std: "docker" "start" "-a" "f3bef788e44014b1dc3773af0788f546a0d2c4ee32f7d58a688773fddb46e119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3bef788e44014b1dc3773af0788f546a0d2c4ee32f7d58a688773fddb46e119", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3bef788e44014b1dc3773af0788f546a0d2c4ee32f7d58a688773fddb46e119", kill_on_drop: false }`
[INFO] [stdout] f3bef788e44014b1dc3773af0788f546a0d2c4ee32f7d58a688773fddb46e119
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14cb08d66d6091669532b73cec6ca9f799618eda1523a1d3e3bb1ea583052812
[INFO] running `Command { std: "docker" "start" "-a" "14cb08d66d6091669532b73cec6ca9f799618eda1523a1d3e3bb1ea583052812", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling bytemuck v1.23.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling cc v1.2.25
[INFO] [stderr]    Compiling ruint-macro v1.2.1
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling hashbrown v0.15.3
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling owo-colors v4.2.1
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.8
[INFO] [stderr]    Compiling color-spantrace v0.3.0
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling const-hex v1.14.1
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling tracing-error v0.2.1
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling ark-std v0.4.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling try-lock v0.2.5
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling scratch v1.0.8
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling http-body v0.4.6
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling tower-service v0.3.3
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling unicode-width v0.2.0
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling codespan-reporting v0.12.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling combine v4.6.7
[INFO] [stderr]    Compiling semaphore-rs-hasher v0.5.0
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling webpki-roots v0.25.4
[INFO] [stderr]    Compiling semaphore-rs-depth-config v0.5.0
[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/16fbf98f22730e073c09e7b03f0eafb87a295545/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=bcb4ee812e8cb789 -C extra-filename=-b2cc943368993260 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0831a0dd93402fea.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-55601c24e4decb91.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" "14cb08d66d6091669532b73cec6ca9f799618eda1523a1d3e3bb1ea583052812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14cb08d66d6091669532b73cec6ca9f799618eda1523a1d3e3bb1ea583052812", kill_on_drop: false }`
[INFO] [stdout] 14cb08d66d6091669532b73cec6ca9f799618eda1523a1d3e3bb1ea583052812