[INFO] cloning repository https://github.com/charmfocus/rust-chat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/charmfocus/rust-chat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharmfocus%2Frust-chat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharmfocus%2Frust-chat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d107e30d470f12f0e15ebed3e985d27493a8841e
[INFO] checking charmfocus/rust-chat against try#4797991aa2efb6d658150f10425b3f3b5d10eceb for pr-143193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcharmfocus%2Frust-chat" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/charmfocus/rust-chat
[INFO] finished tweaking git repo https://github.com/charmfocus/rust-chat
[INFO] tweaked toml for git repo https://github.com/charmfocus/rust-chat written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/charmfocus/rust-chat on toolchain 4797991aa2efb6d658150f10425b3f3b5d10eceb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/charmfocus/rust-chat 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" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5de7a43ffeed74a432ef1dc5e109c5f9ee94f6877ca0bd51100a63361c0e60e5
[INFO] running `Command { std: "docker" "start" "-a" "5de7a43ffeed74a432ef1dc5e109c5f9ee94f6877ca0bd51100a63361c0e60e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5de7a43ffeed74a432ef1dc5e109c5f9ee94f6877ca0bd51100a63361c0e60e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5de7a43ffeed74a432ef1dc5e109c5f9ee94f6877ca0bd51100a63361c0e60e5", kill_on_drop: false }`
[INFO] [stdout] 5de7a43ffeed74a432ef1dc5e109c5f9ee94f6877ca0bd51100a63361c0e60e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4797991aa2efb6d658150f10425b3f3b5d10eceb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1953ad252f5a220bb4f5e04dbf45a2bf1850f80a7068d1ef458a9afeb872a87
[INFO] running `Command { std: "docker" "start" "-a" "f1953ad252f5a220bb4f5e04dbf45a2bf1850f80a7068d1ef458a9afeb872a87", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.166
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling serde_json v1.0.133
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]    Compiling rustls v0.23.19
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling writeable v0.5.5
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]    Compiling litemap v0.7.4
[INFO] [stderr]     Checking indexmap v2.6.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling icu_locid_transform_data v1.5.0
[INFO] [stderr]     Checking rustls-pki-types v1.10.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling icu_properties_data v1.5.0
[INFO] [stderr]     Checking pem-rfc7468 v0.7.0
[INFO] [stderr]    Compiling utf16_iter v1.0.5
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling icu_normalizer_data v1.5.0
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling write16 v1.0.0
[INFO] [stderr]    Compiling untrusted v0.9.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking der v0.7.9
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]     Checking base16ct v0.2.0
[INFO] [stderr]    Compiling allocator-api2 v0.2.20
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling tinyvec v1.8.0
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]     Checking webpki-roots v0.26.7
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling libloading v0.8.5
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]     Checking hkdf v0.12.4
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling crc-catalog v2.4.0
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling rustix v0.38.41
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking socket2 v0.5.8
[INFO] [stderr]     Checking mio v1.0.2
[INFO] [stderr]    Compiling cpufeatures v0.2.16
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling event-listener v5.3.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling crc v3.2.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling sqlformat v0.2.6
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking crypto-bigint v0.5.5
[INFO] [stderr]    Compiling jobserver v0.1.32
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling chrono v0.4.38
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling cc v1.2.1
[INFO] [stderr]    Compiling tokio v1.41.1
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling crossbeam-queue v0.3.11
[INFO] [stderr]     Checking spki v0.7.3
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]     Checking pkcs8 v0.10.2
[INFO] [stderr]    Compiling unicode-properties v0.1.3
[INFO] [stderr]     Checking sec1 v0.7.3
[INFO] [stderr]    Compiling unicase v2.8.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.17
[INFO] [stderr]    Compiling cmake v0.1.52
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling fslock v0.2.1
[INFO] [stderr]     Checking signature v2.2.0
[INFO] [stderr]     Checking rfc6979 v0.4.0
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]    Compiling whoami v1.5.2
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling zstd-safe v7.2.1
[INFO] [stderr]    Compiling home v0.5.9
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling dotenvy v0.15.7
[INFO] [stderr]    Compiling stringprep v0.1.5
[INFO] [stderr]    Compiling fastrand v2.2.0
[INFO] [stderr]     Checking elliptic-curve v0.13.8
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling zstd-sys v2.0.13+zstd.1.5.6
[INFO] [stderr]    Compiling multer v3.1.0
[INFO] [stderr]     Checking ecdsa v0.16.9
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]     Checking primeorder v0.13.6
[INFO] [stderr]     Checking foreign-types-shared v0.3.1
[INFO] [stderr]     Checking flate2 v1.0.35
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]     Checking brotli v7.0.0
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking headers-core v0.3.0
[INFO] [stderr]     Checking ct-codecs v1.1.2
[INFO] [stderr]    Compiling tempfile v3.14.0
[INFO] [stderr]     Checking constant_time_eq v0.3.1
[INFO] [stderr]     Checking matchit v0.7.3
[INFO] [stderr]     Checking arrayref v0.3.9
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking headers v0.4.0
[INFO] [stderr]     Checking ed25519-compact v2.1.1
[INFO] [stderr]     Checking p384 v0.13.0
[INFO] [stderr]     Checking blake2b_simd v1.0.2
[INFO] [stderr]     Checking p256 v0.13.2
[INFO] [stderr]     Checking k256 v0.13.4
[INFO] [stderr]     Checking coarsetime v0.1.34
[INFO] [stderr]     Checking hmac-sha256 v1.1.7
[INFO] [stderr]     Checking hmac-sha512 v1.1.5
[INFO] [stderr]     Checking http-range-header v0.4.2
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking hmac-sha1-compact v1.1.4
[INFO] [stderr]     Checking binstring v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]    Compiling thiserror v2.0.3
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking unsafe-libyaml v0.2.11
[INFO] [stderr]     Checking password-hash v0.5.0
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking ipnet v2.10.1
[INFO] [stderr]     Checking eventsource-stream v0.2.3
[INFO] [stderr]     Checking futures-timer v3.0.3
[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/4797991aa2efb6d658150f10425b3f3b5d10eceb/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.89/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=fee30db923951836 -C extra-filename=-609e9bf969712c75 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-f77d51280df25a86.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-b19d02e79eb7f315.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-13328ff8d6cc16fd.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" "f1953ad252f5a220bb4f5e04dbf45a2bf1850f80a7068d1ef458a9afeb872a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1953ad252f5a220bb4f5e04dbf45a2bf1850f80a7068d1ef458a9afeb872a87", kill_on_drop: false }`
[INFO] [stdout] f1953ad252f5a220bb4f5e04dbf45a2bf1850f80a7068d1ef458a9afeb872a87