[INFO] fetching crate poem-ext 0.8.1...
[INFO] testing poem-ext-0.8.1 against try#d724b5ab2f4ac098ff483349a80b6a3799a5177b for pr-113843
[INFO] extracting crate poem-ext 0.8.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate poem-ext 0.8.1 on toolchain d724b5ab2f4ac098ff483349a80b6a3799a5177b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate poem-ext 0.8.1
[INFO] finished tweaking crates.io crate poem-ext 0.8.1
[INFO] tweaked toml for crates.io crate poem-ext 0.8.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d8f54ed9c558e0057c5412184f5821e4a048357fb60653a3fda138215ac6199
[INFO] running `Command { std: "docker" "start" "-a" "6d8f54ed9c558e0057c5412184f5821e4a048357fb60653a3fda138215ac6199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d8f54ed9c558e0057c5412184f5821e4a048357fb60653a3fda138215ac6199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d8f54ed9c558e0057c5412184f5821e4a048357fb60653a3fda138215ac6199", kill_on_drop: false }`
[INFO] [stdout] 6d8f54ed9c558e0057c5412184f5821e4a048357fb60653a3fda138215ac6199
[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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+d724b5ab2f4ac098ff483349a80b6a3799a5177b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dd25c58dce025eefa7801ed6473a62f2ddb34a45821882eac45bba36b7a1b9b
[INFO] running `Command { std: "docker" "start" "-a" "6dd25c58dce025eefa7801ed6473a62f2ddb34a45821882eac45bba36b7a1b9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.10
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling syn v2.0.26
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.0
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling inout v0.1.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling toml_datetime v0.6.3
[INFO] [stderr]    Compiling winnow v0.5.0
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling indexmap v2.0.0
[INFO] [stderr]    Compiling uncased v0.9.9
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling async-trait v0.1.71
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling time-macros v0.2.10
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling tempfile v3.6.0
[INFO] [stderr]    Compiling multer v2.1.0
[INFO] [stderr]    Compiling cookie v0.16.2
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling serde_json v1.0.103
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling try-lock v0.2.4
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling polyval v0.6.1
[INFO] [stderr]    Compiling toml_edit v0.19.14
[INFO] [stderr]    Compiling ctr v0.9.2
[INFO] [stderr]    Compiling aes v0.8.3
[INFO] [stderr]    Compiling ghash v0.5.0
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling aead v0.5.2
[INFO] [stderr]    Compiling sha1 v0.10.5
[INFO] [stderr]    Compiling sha2 v0.10.7
[INFO] [stderr]    Compiling hkdf v0.12.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling encoding_rs v0.8.32
[INFO] [stderr]    Compiling base64 v0.20.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling iana-time-zone v0.1.57
[INFO] [stderr]    Compiling aes-gcm v0.10.2
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.9
[INFO] [stderr]    Compiling time v0.3.23
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling regex-automata v0.3.3
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling chrono v0.4.26
[INFO] [stderr]    Compiling rfc7239 v0.1.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling headers v0.3.8
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling aliasable v0.1.3
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling url v2.4.0
[INFO] [stderr]    Compiling itertools v0.11.0
[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/d724b5ab2f4ac098ff483349a80b6a3799a5177b/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.26/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="quote"' --cfg 'feature="visit-mut"' -C metadata=2b0dda4add8e19ae -C extra-filename=-2b0dda4add8e19ae --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-c308a930a0e3b3ae.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f0d3d8608fbacc11.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-27c541bdd3194d90.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" "6dd25c58dce025eefa7801ed6473a62f2ddb34a45821882eac45bba36b7a1b9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dd25c58dce025eefa7801ed6473a62f2ddb34a45821882eac45bba36b7a1b9b", kill_on_drop: false }`
[INFO] [stdout] 6dd25c58dce025eefa7801ed6473a62f2ddb34a45821882eac45bba36b7a1b9b