[INFO] cloning repository https://github.com/ulyssa/iamb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ulyssa/iamb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fulyssa%2Fiamb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fulyssa%2Fiamb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af96bfbb41a8d165776f7e463c8fdc9d3804d4fc
[INFO] checking ulyssa/iamb against try#15e8bc6907ab2b3623cb52acc726f4787458df64 for pr-141352
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fulyssa%2Fiamb" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ulyssa/iamb on toolchain 15e8bc6907ab2b3623cb52acc726f4787458df64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/ulyssa/iamb
[INFO] finished tweaking git repo https://github.com/ulyssa/iamb
[INFO] tweaked toml for git repo https://github.com/ulyssa/iamb written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ulyssa/iamb 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" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0955c2b8f34eaf2ac65f3080a3ef41b0b871fe6ef11d05fa761629763387c659
[INFO] running `Command { std: "docker" "start" "-a" "0955c2b8f34eaf2ac65f3080a3ef41b0b871fe6ef11d05fa761629763387c659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0955c2b8f34eaf2ac65f3080a3ef41b0b871fe6ef11d05fa761629763387c659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0955c2b8f34eaf2ac65f3080a3ef41b0b871fe6ef11d05fa761629763387c659", kill_on_drop: false }`
[INFO] [stdout] 0955c2b8f34eaf2ac65f3080a3ef41b0b871fe6ef11d05fa761629763387c659
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+15e8bc6907ab2b3623cb52acc726f4787458df64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd56a4607bab832fa83f610b6594ab2a17c9c8be3d70e60ac5464000eb978624
[INFO] running `Command { std: "docker" "start" "-a" "cd56a4607bab832fa83f610b6594ab2a17c9c8be3d70e60ac5464000eb978624", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking once_cell v1.20.3
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking bytes v1.10.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling anyhow v1.0.96
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking litemap v0.7.4
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking writeable v0.5.5
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling thiserror v2.0.11
[INFO] [stderr]     Checking cpufeatures v0.2.13
[INFO] [stderr]    Compiling thiserror v1.0.63
[INFO] [stderr]     Checking http v1.2.0
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling winnow v0.6.18
[INFO] [stderr]     Checking icu_locid_transform_data v1.5.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking icu_properties_data v1.5.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking icu_normalizer_data v1.5.0
[INFO] [stderr]    Compiling serde_json v1.0.139
[INFO] [stderr]     Checking utf8_iter v1.0.4
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking write16 v1.0.0
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]     Checking utf16_iter v1.0.5
[INFO] [stderr]     Checking fastrand v2.1.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.93
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling typewit_proc_macros v1.8.1
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]     Checking typewit v1.9.0
[INFO] [stderr]     Checking num-conv v0.1.0
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[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]    Compiling bumpalo v3.16.0
[INFO] [stderr]    Compiling wayland-sys v0.31.4
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling cc v1.1.15
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking konst_kernel v0.3.9
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking crypto-common v0.1.6
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[INFO] [stderr]     Checking time v0.3.37
[INFO] [stderr]     Checking flate2 v1.0.33
[INFO] [stderr]    Compiling ruma-common v0.15.1
[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]    Compiling zerocopy v0.8.20
[INFO] [stderr]     Checking const_panic v0.2.9
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking uuid v1.10.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]     Checking konst v0.3.9
[INFO] [stderr]     Checking wildmatch v2.3.4
[INFO] [stderr]     Checking as_variant v1.2.0
[INFO] [stderr]     Checking web-time v1.1.0
[INFO] [stderr]    Compiling built v0.7.7
[INFO] [stderr]    Compiling ruma-events v0.30.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.93
[INFO] [stderr]     Checking aligned-vec v0.5.0
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling quick-xml v0.34.0
[INFO] [stderr]     Checking v_frame v0.3.8
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking rustls-pki-types v1.10.0
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]     Checking downcast-rs v1.2.1
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling wayland-client v0.31.5
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]     Checking bitmaps v3.2.1
[INFO] [stderr]    Compiling ruma-client-api v0.20.1
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking static_assertions v1.1.0
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[INFO] [stderr]     Checking poly1305 v0.8.0
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]     Checking imbl-sized-chunks v0.1.3
[INFO] [stderr]     Checking event-listener v5.4.0
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling wayland-backend v0.3.6
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]     Checking itertools v0.12.1
[INFO] [stderr]     Checking date_header v1.0.5
[INFO] [stderr]    Compiling wayland-scanner v0.31.4
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking imgref v1.11.0
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking assign v1.1.1
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking bitstream-io v2.6.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking loop9 v0.1.5
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling blake3 v1.6.0
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]     Checking maybe-rayon v0.1.1
[INFO] [stderr]    Compiling include_dir_macros v0.7.4
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking zune-core v0.4.12
[INFO] [stderr]     Checking jpeg-decoder v0.3.1
[INFO] [stderr]     Checking byteorder-lite v0.1.0
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
[INFO] [stderr]    Compiling rustls v0.23.19
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.93
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]     Checking rgb v0.8.50
[INFO] [stderr]     Checking bytemuck v1.17.1
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking rand_core v0.9.1
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]    Compiling matrix-sdk-common v0.10.0
[INFO] [stderr]    Compiling include_dir v0.7.4
[INFO] [stderr]    Compiling zvariant_utils v1.0.1
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]     Checking zune-jpeg v0.4.14
[INFO] [stderr]     Checking image-webp v0.2.1
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking gif v0.13.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.4
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking memmap2 v0.9.5
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.93
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking arrayref v0.3.8
[INFO] [stderr]     Checking readlock v0.1.8
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking waker-fn v1.2.0
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]    Compiling decancer v3.2.8
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]     Checking constant_time_eq v0.3.1
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking futures-lite v1.13.0
[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/15e8bc6907ab2b3623cb52acc726f4787458df64/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.90/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=46b86864a2a43f90 -C extra-filename=-a21a0a5f26c18379 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-6fc98258aac1c2ce.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-edb19c1b787cbb94.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f2de522ba645d884.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" "cd56a4607bab832fa83f610b6594ab2a17c9c8be3d70e60ac5464000eb978624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd56a4607bab832fa83f610b6594ab2a17c9c8be3d70e60ac5464000eb978624", kill_on_drop: false }`
[INFO] [stdout] cd56a4607bab832fa83f610b6594ab2a17c9c8be3d70e60ac5464000eb978624