[INFO] fetching crate exocore-apps-host 0.1.26...
[INFO] checking exocore-apps-host-0.1.26 against try#78c81ee3917a99dcff6e2e6822800f0492c415c3 for pr-148967
[INFO] extracting crate exocore-apps-host 0.1.26 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate exocore-apps-host 0.1.26
[INFO] finished tweaking crates.io crate exocore-apps-host 0.1.26
[INFO] tweaked toml for crates.io crate exocore-apps-host 0.1.26 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate exocore-apps-host 0.1.26 on toolchain 78c81ee3917a99dcff6e2e6822800f0492c415c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 539 packages to latest compatible versions
[INFO] [stderr]       Adding crypto-common v0.1.6 (available: v0.1.7)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] [stderr]       Adding uuid v1.6.1 (available: v1.18.1)
[INFO] [stderr]       Adding wasmtime v4.0.1 (available: v38.0.4)
[INFO] [stderr]       Adding wasmtime-wasi v4.0.1 (available: v38.0.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3cf3906fbbe5eca7082f3f6e5908b83c5663d5b2d0354a3d58204f92cb9d370
[INFO] running `Command { std: "docker" "start" "-a" "c3cf3906fbbe5eca7082f3f6e5908b83c5663d5b2d0354a3d58204f92cb9d370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3cf3906fbbe5eca7082f3f6e5908b83c5663d5b2d0354a3d58204f92cb9d370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3cf3906fbbe5eca7082f3f6e5908b83c5663d5b2d0354a3d58204f92cb9d370", kill_on_drop: false }`
[INFO] [stdout] c3cf3906fbbe5eca7082f3f6e5908b83c5663d5b2d0354a3d58204f92cb9d370
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a18debcdc62f530bc483fbf76fc81cb943d0c6c3bdf5b39a982d2a560c40d0bf
[INFO] running `Command { std: "docker" "start" "-a" "a18debcdc62f530bc483fbf76fc81cb943d0c6c3bdf5b39a982d2a560c40d0bf", kill_on_drop: false }`
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking base16ct v0.2.0
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]    Compiling cranelift-isle v0.91.1
[INFO] [stderr]     Checking unsigned-varint v0.8.0
[INFO] [stderr]     Checking mio v1.1.0
[INFO] [stderr]     Checking socket2 v0.6.1
[INFO] [stderr]    Compiling rustix v0.36.17
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ahash v0.7.8
[INFO] [stderr]     Checking multihash v0.19.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling cc v1.2.46
[INFO] [stderr]     Checking ff v0.13.1
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.91.1
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.91.1
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking const-str v0.4.3
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking quick-protobuf v0.8.1
[INFO] [stderr]     Checking asn1_der v0.7.6
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking slice-group-by v0.3.1
[INFO] [stderr]     Checking bs58 v0.5.1
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]    Compiling io-extras v0.17.4
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking unsigned-varint v0.7.2
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling wasm-encoder v0.241.2
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]     Checking web-time v1.1.0
[INFO] [stderr]    Compiling cap-primitives v1.0.15
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling tempfile v3.23.0
[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/78c81ee3917a99dcff6e2e6822800f0492c415c3/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=4909b76186910853 -C extra-filename=-19e5a4b697e1caf9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-3bfb43c5cc67983f.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-853188d8cb76d95a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9533002ac35f5809.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" "a18debcdc62f530bc483fbf76fc81cb943d0c6c3bdf5b39a982d2a560c40d0bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a18debcdc62f530bc483fbf76fc81cb943d0c6c3bdf5b39a982d2a560c40d0bf", kill_on_drop: false }`
[INFO] [stdout] a18debcdc62f530bc483fbf76fc81cb943d0c6c3bdf5b39a982d2a560c40d0bf