[INFO] cloning repository https://github.com/garypen/towering
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/garypen/towering" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarypen%2Ftowering", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarypen%2Ftowering'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a157a625df2de40cc66414ad22be6b73d5390f7
[INFO] checking garypen/towering against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgarypen%2Ftowering" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/garypen/towering
[INFO] finished tweaking git repo https://github.com/garypen/towering
[INFO] tweaked toml for git repo https://github.com/garypen/towering written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/garypen/towering on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/garypen/towering 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c75498c350987f5956a73f3a5e7c61f0b7c189050a77b768257ba4c7114990e
[INFO] running `Command { std: "docker" "start" "-a" "8c75498c350987f5956a73f3a5e7c61f0b7c189050a77b768257ba4c7114990e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c75498c350987f5956a73f3a5e7c61f0b7c189050a77b768257ba4c7114990e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c75498c350987f5956a73f3a5e7c61f0b7c189050a77b768257ba4c7114990e", kill_on_drop: false }`
[INFO] [stdout] 8c75498c350987f5956a73f3a5e7c61f0b7c189050a77b768257ba4c7114990e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c7f7a0571efa4d1fbb9921f748189bd104e1058cb48072cc4aad32b3ef12af2
[INFO] running `Command { std: "docker" "start" "-a" "6c7f7a0571efa4d1fbb9921f748189bd104e1058cb48072cc4aad32b3ef12af2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]    Compiling portable-atomic v1.13.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.6
[INFO] [stderr]     Checking critical-section v1.2.0
[INFO] [stderr]     Checking bytes v1.11.0
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling zmij v1.0.3
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling serde_json v1.0.148
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling cranelift-srcgen v0.124.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]    Compiling cranelift-assembler-x64-meta v0.124.3
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling cranelift-bitset v0.124.3
[INFO] [stderr]    Compiling pkg-config v0.3.31
[INFO] [stderr]    Compiling rustix v0.38.37
[INFO] [stderr]    Compiling cranelift-isle v0.124.3
[INFO] [stderr]     Checking bumpalo v3.16.0
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]     Checking ipnet v2.10.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]    Compiling dunce v1.0.5
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]     Checking percent-encoding v2.3.2
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.124.3
[INFO] [stderr]    Compiling target-lexicon v0.13.4
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]    Compiling io-lifetimes v2.0.3
[INFO] [stderr]     Checking writeable v0.6.2
[INFO] [stderr]     Checking litemap v0.8.1
[INFO] [stderr]     Checking wasmtime-internal-math v37.0.3
[INFO] [stderr]    Compiling cc v1.2.51
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]    Compiling zstd-safe v7.2.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]     Checking arbitrary v1.4.2
[INFO] [stderr]     Checking leb128fmt v0.1.0
[INFO] [stderr]     Checking rustls-pki-types v1.13.2
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking uuid v1.10.0
[INFO] [stderr]    Compiling aws-lc-rs v1.15.2
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling wasmparser v0.239.0
[INFO] [stderr]     Checking indexmap v2.12.1
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]    Compiling io-extras v0.18.4
[INFO] [stderr]     Checking cranelift-control v0.124.3
[INFO] [stderr]    Compiling proc-macro-utils v0.10.0
[INFO] [stderr]     Checking sync_wrapper v1.0.1
[INFO] [stderr]     Checking cobs v0.2.3
[INFO] [stderr]    Compiling wasm-encoder v0.243.0
[INFO] [stderr]    Compiling cap-primitives v3.4.5
[INFO] [stderr]    Compiling cpp_demangle v0.4.4
[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]     Checking ambient-authority v0.0.2
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling wasm-encoder v0.239.0
[INFO] [stderr]    Compiling manyhow-macros v0.11.4
[INFO] [stderr]    Compiling cranelift-assembler-x64 v0.124.3
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]    Compiling toml_edit v0.22.22
[INFO] [stderr]     Checking hdrhistogram v7.5.4
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]    Compiling zstd-sys v2.0.13+zstd.1.5.6
[INFO] [stderr]    Compiling aws-lc-sys v0.35.0
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking fs-set-times v0.20.1
[INFO] [stderr]    Compiling ittapi-sys v0.4.0
[INFO] [stderr]    Compiling id-arena v2.2.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling wasmtime-internal-unwinder v37.0.3
[INFO] [stderr]    Compiling leb128 v0.2.5
[INFO] [stderr]     Checking maybe-owned v0.3.4
[INFO] [stderr]     Checking rustix-linux-procfs v0.1.1
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling wast v35.0.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling manyhow v0.11.4
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]    Compiling proc-macro-crate v3.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling winnow v0.7.14
[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/b1f2594eac607c1f051534800237eeedb5590a49/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.87/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=f20739eece710d0a -C extra-filename=-90388ba5c24f163c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-940521cad3ba570c.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-dfa9d4d1a6b90b2b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-d14904b1232aa2ec.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" "6c7f7a0571efa4d1fbb9921f748189bd104e1058cb48072cc4aad32b3ef12af2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c7f7a0571efa4d1fbb9921f748189bd104e1058cb48072cc4aad32b3ef12af2", kill_on_drop: false }`
[INFO] [stdout] 6c7f7a0571efa4d1fbb9921f748189bd104e1058cb48072cc4aad32b3ef12af2