[INFO] fetching crate matrix-bot-sdk 0.2.4...
[INFO] checking matrix-bot-sdk-0.2.4 against try#b6bca0d7327839b5e3f7a7779947cb9113d08917+rustflags=-Zstrict-projection-item-bounds for 150662-leaf
[INFO] extracting crate matrix-bot-sdk 0.2.4 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate matrix-bot-sdk 0.2.4
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate matrix-bot-sdk 0.2.4
[INFO] tweaked toml for crates.io crate matrix-bot-sdk 0.2.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate matrix-bot-sdk 0.2.4 on toolchain b6bca0d7327839b5e3f7a7779947cb9113d08917
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate matrix-bot-sdk 0.2.4 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" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dcc46c30826e7e76cbff771172fd9524d4ea7c8ad59d3c8c663b5935e300a55
[INFO] running `Command { std: "docker" "start" "-a" "2dcc46c30826e7e76cbff771172fd9524d4ea7c8ad59d3c8c663b5935e300a55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dcc46c30826e7e76cbff771172fd9524d4ea7c8ad59d3c8c663b5935e300a55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dcc46c30826e7e76cbff771172fd9524d4ea7c8ad59d3c8c663b5935e300a55", kill_on_drop: false }`
[INFO] [stdout] 2dcc46c30826e7e76cbff771172fd9524d4ea7c8ad59d3c8c663b5935e300a55
[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 -Zstrict-projection-item-bounds" "-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" "+b6bca0d7327839b5e3f7a7779947cb9113d08917" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e8f5d407db6d4af1a77b5add43a7c0d77e08f7c606b81c5bfad778503b806b8
[INFO] running `Command { std: "docker" "start" "-a" "9e8f5d407db6d4af1a77b5add43a7c0d77e08f7c606b81c5bfad778503b806b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling aws-lc-rs v1.16.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking bitflags v2.11.0
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling rustls v0.23.37
[INFO] [stderr]    Compiling toml_parser v1.0.9+spec-1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]    Compiling time-core v0.1.8
[INFO] [stderr]    Compiling num-conv v0.2.0
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]    Compiling nix v0.31.1
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]     Checking alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling toml_edit v0.23.10+spec-1.0.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling mime-infer v4.0.1
[INFO] [stderr]     Checking deranged v0.5.8
[INFO] [stderr]    Compiling multer v3.1.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling cookie v0.18.1
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]     Checking simd-adler32 v0.3.8
[INFO] [stderr]     Checking rustix v1.1.3
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking headers-core v0.3.0
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking brotli-decompressor v5.0.0
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]    Compiling cc v1.2.56
[INFO] [stderr]     Checking unicase v2.9.0
[INFO] [stderr]     Checking xml v1.2.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking chardetng v0.1.17
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]     Checking content_inspector v0.2.4
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking iana-time-zone v0.1.65
[INFO] [stderr]     Checking nu-ansi-term v0.50.3
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]     Checking brotli v8.0.2
[INFO] [stderr]     Checking deadpool-runtime v0.1.4
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking similar v2.7.0
[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]     Checking yansi v1.0.1
[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/b6bca0d7327839b5e3f7a7779947cb9113d08917/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.117/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=ceb78e5bef6e4cb3 -C extra-filename=-433f256cdc6eae06 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-97c915aaa782a113.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-7902c0d868afcf4c.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-7bdb9946ee4fa346.rmeta --cap-lints allow --cap-lints=forbid -Zstrict-projection-item-bounds` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9e8f5d407db6d4af1a77b5add43a7c0d77e08f7c606b81c5bfad778503b806b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e8f5d407db6d4af1a77b5add43a7c0d77e08f7c606b81c5bfad778503b806b8", kill_on_drop: false }`
[INFO] [stdout] 9e8f5d407db6d4af1a77b5add43a7c0d77e08f7c606b81c5bfad778503b806b8