[INFO] fetching crate iamb 0.0.10...
[INFO] checking iamb-0.0.10 against try#de0e80659cee4f27282e60d63bbb8c5271a0d147 for pr-129392
[INFO] extracting crate iamb 0.0.10 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate iamb 0.0.10 on toolchain de0e80659cee4f27282e60d63bbb8c5271a0d147
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iamb 0.0.10
[INFO] finished tweaking crates.io crate iamb 0.0.10
[INFO] tweaked toml for crates.io crate iamb 0.0.10 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate iamb 0.0.10 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" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eee6ebc86e047b33adc10893c2635b019aacaae8e2a2d5ebde80b85c67b05d15
[INFO] running `Command { std: "docker" "start" "-a" "eee6ebc86e047b33adc10893c2635b019aacaae8e2a2d5ebde80b85c67b05d15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eee6ebc86e047b33adc10893c2635b019aacaae8e2a2d5ebde80b85c67b05d15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eee6ebc86e047b33adc10893c2635b019aacaae8e2a2d5ebde80b85c67b05d15", kill_on_drop: false }`
[INFO] [stdout] eee6ebc86e047b33adc10893c2635b019aacaae8e2a2d5ebde80b85c67b05d15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc9d0f0c0eeaa75b196886de52a6cd9ee501fa4d32cc9e89f6310c2df63d73d0
[INFO] running `Command { std: "docker" "start" "-a" "bc9d0f0c0eeaa75b196886de52a6cd9ee501fa4d32cc9e89f6310c2df63d73d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.198
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling cc v1.0.94
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling zerocopy v0.7.32
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]    Compiling allocator-api2 v0.2.18
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking either v1.11.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]    Compiling winnow v0.6.6
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]    Compiling typewit_proc_macros v1.8.1
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling syn v2.0.59
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking typewit v1.9.0
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking konst_kernel v0.3.8
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling wayland-sys v0.31.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking libloading v0.8.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking const_panic v0.2.8
[INFO] [stderr]    Compiling platforms v3.4.0
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling ruma-common v0.12.1
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking konst v0.3.8
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking uuid v1.6.1
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]    Compiling wayland-backend v0.3.3
[INFO] [stderr]    Compiling curve25519-dalek v4.1.2
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking as_variant v1.2.0
[INFO] [stderr]     Checking flagset v0.4.5
[INFO] [stderr]     Checking wildmatch v2.3.3
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking event-listener v4.0.3
[INFO] [stderr]    Compiling quick-xml v0.31.0
[INFO] [stderr]     Checking downcast-rs v1.2.1
[INFO] [stderr]    Compiling ruma-client-api v0.17.4
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking event-listener v5.3.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking home v0.5.5
[INFO] [stderr]    Compiling cfg_aliases v0.1.1
[INFO] [stderr]    Compiling ruma v0.9.4
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking assign v1.1.1
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking weezl v0.1.8
[INFO] [stderr]     Checking event-listener-strategy v0.5.1
[INFO] [stderr]    Compiling nix v0.28.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.27.0
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]     Checking event-listener-strategy v0.4.0
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking rmp v0.8.13
[INFO] [stderr]    Compiling blake3 v1.5.1
[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]    Compiling wayland-scanner v0.31.1
[INFO] [stderr]     Checking fdeflate v0.3.4
[INFO] [stderr]     Checking flume v0.11.0
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking event-listener v2.5.3
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking bytemuck v1.15.0
[INFO] [stderr]     Checking bitmaps v3.2.1
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]    Compiling matrix-sdk-common v0.7.0
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]     Checking gif v0.13.1
[INFO] [stderr]     Checking png v0.17.13
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking exr v1.72.0
[INFO] [stderr]    Compiling markup5ever v0.11.0
[INFO] [stderr]     Checking poly1305 v0.8.0
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking async-lock v3.3.0
[INFO] [stderr]     Checking async-channel v2.2.1
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]     Checking pbkdf2 v0.12.2
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling zvariant_utils v1.0.1
[INFO] [stderr]     Checking imbl-sized-chunks v0.1.2
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking readlock v0.1.7
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking waker-fn v1.1.1
[INFO] [stderr]     Checking unicode-segmentation v1.11.0
[INFO] [stderr]     Checking async-task v4.7.0
[INFO] [stderr]     Checking tower-service v0.3.2
[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/de0e80659cee4f27282e60d63bbb8c5271a0d147/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.59/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="visit"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "test", "visit", "visit-mut"))' -C metadata=72d53fb3b2051420 -C extra-filename=-72d53fb3b2051420 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-74e0063a7fec9451.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b5a2fb2711d77956.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-7b828347d8713ecd.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" "bc9d0f0c0eeaa75b196886de52a6cd9ee501fa4d32cc9e89f6310c2df63d73d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc9d0f0c0eeaa75b196886de52a6cd9ee501fa4d32cc9e89f6310c2df63d73d0", kill_on_drop: false }`
[INFO] [stdout] bc9d0f0c0eeaa75b196886de52a6cd9ee501fa4d32cc9e89f6310c2df63d73d0