[INFO] fetching crate fstn 0.10.0...
[INFO] testing fstn-0.10.0 against master#23949593103d03a82c7ebc2e84434ce6c6edc561 for pr-115235
[INFO] extracting crate fstn 0.10.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate fstn 0.10.0 on toolchain 23949593103d03a82c7ebc2e84434ce6c6edc561
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fstn 0.10.0
[INFO] finished tweaking crates.io crate fstn 0.10.0
[INFO] tweaked toml for crates.io crate fstn 0.10.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate fstn 0.10.0 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" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zstd-safe v6.0.6
[INFO] [stderr]   Downloaded rustix v0.38.10
[INFO] [stderr]   Downloaded zstd v0.12.4
[INFO] [stderr]   Downloaded byte-unit v4.0.19
[INFO] [stderr]   Downloaded clap_complete v4.3.2
[INFO] [stderr]   Downloaded utf8-width v0.1.6
[INFO] [stderr]   Downloaded deku_derive v0.16.0
[INFO] [stderr]   Downloaded deku v0.16.0
[INFO] [stderr]   Downloaded memchr v2.6.2
[INFO] [stderr]   Downloaded rust-lzo v0.6.2
[INFO] [stderr]   Downloaded backhand v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c324b0e1bfc94de6e6bf6c43d71a4a63f8c9bf4e90f2068c9510ec938b6df32
[INFO] running `Command { std: "docker" "start" "-a" "8c324b0e1bfc94de6e6bf6c43d71a4a63f8c9bf4e90f2068c9510ec938b6df32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c324b0e1bfc94de6e6bf6c43d71a4a63f8c9bf4e90f2068c9510ec938b6df32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c324b0e1bfc94de6e6bf6c43d71a4a63f8c9bf4e90f2068c9510ec938b6df32", kill_on_drop: false }`
[INFO] [stdout] 8c324b0e1bfc94de6e6bf6c43d71a4a63f8c9bf4e90f2068c9510ec938b6df32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23949593103d03a82c7ebc2e84434ce6c6edc561" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c9be010e8a6d596ed4ab73f30295a709a5e6142b46b1595635f762a48594ee8
[INFO] running `Command { std: "docker" "start" "-a" "0c9be010e8a6d596ed4ab73f30295a709a5e6142b46b1595635f762a48594ee8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling rustix v0.38.10
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling linux-raw-sys v0.4.5
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling memchr v2.6.2
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling anstyle v1.0.2
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling winnow v0.5.15
[INFO] [stderr]    Compiling rustls v0.21.7
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling try-lock v0.2.4
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling zstd-safe v6.0.6
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.7.5
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling anstream v0.3.2
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling httpdate v1.0.3
[INFO] [stderr]    Compiling clap_builder v4.3.24
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling thiserror v1.0.47
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling serde_json v1.0.105
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling socket2 v0.5.3
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling tokio v1.32.0
[INFO] [stderr]    Compiling regex-automata v0.3.7
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling zstd-sys v2.0.8+zstd.1.5.5
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]    Compiling toml_edit v0.19.14
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling utf8-width v0.1.6
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling base64 v0.21.3
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling xz2 v0.1.7
[INFO] [stderr]    Compiling url v2.4.1
[INFO] [stderr]    Compiling rustls-pemfile v1.0.3
[INFO] [stderr]    Compiling flate2 v1.0.27
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[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/23949593103d03a82c7ebc2e84434ce6c6edc561/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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"' -C metadata=e50de5495f7ca04e -C extra-filename=-e50de5495f7ca04e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c308a930a0e3b3ae.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-1425e0fbf51b7cbe.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-27c541bdd3194d90.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" "0c9be010e8a6d596ed4ab73f30295a709a5e6142b46b1595635f762a48594ee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c9be010e8a6d596ed4ab73f30295a709a5e6142b46b1595635f762a48594ee8", kill_on_drop: false }`
[INFO] [stdout] 0c9be010e8a6d596ed4ab73f30295a709a5e6142b46b1595635f762a48594ee8