[INFO] cloning repository https://github.com/hackia/silex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hackia/silex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhackia%2Fsilex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhackia%2Fsilex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19e005bf150ca182dc7645e1d0c558253ca5104b
[INFO] checking hackia/silex against master#3b1b0ef4d80d3117924d91352c8b6ca528708b3c for pr-152996
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhackia%2Fsilex" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hackia/silex
[INFO] finished tweaking git repo https://github.com/hackia/silex
[INFO] tweaked toml for git repo https://github.com/hackia/silex written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hackia/silex on toolchain 3b1b0ef4d80d3117924d91352c8b6ca528708b3c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3b1b0ef4d80d3117924d91352c8b6ca528708b3c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hackia/silex 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" "+3b1b0ef4d80d3117924d91352c8b6ca528708b3c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-4-tc1/source/silexium/Cargo.toml: version requirement `1.0.1+spec-1.1.0` for dependency `toml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: /workspace/builds/worker-4-tc1/source/uvd/Cargo.toml: version requirement `1.0.1+spec-1.1.0` for dependency `toml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded block-buffer v0.12.0
[INFO] [stderr]   Downloaded rlimit v0.11.0
[INFO] [stderr]   Downloaded crypto-common v0.2.1
[INFO] [stderr]   Downloaded digest v0.11.1
[INFO] [stderr]   Downloaded sqlite v0.37.0
[INFO] [stderr]   Downloaded hybrid-array v0.4.7
[INFO] [stderr]   Downloaded hunspell-rs v0.4.0
[INFO] [stderr]   Downloaded serde_jcs v0.1.0
[INFO] [stderr]   Downloaded ed25519 v3.0.0-rc.4
[INFO] [stderr]   Downloaded sqlite3-sys v0.18.0
[INFO] [stderr]   Downloaded ryu-js v0.2.2
[INFO] [stderr]   Downloaded toml v1.0.3+spec-1.1.0
[INFO] [stderr]   Downloaded const-oid v0.10.2
[INFO] [stderr]   Downloaded signature v3.0.0-rc.10
[INFO] [stderr]   Downloaded ed25519-dalek v3.0.0-pre.6
[INFO] [stderr]   Downloaded tabled_derive v0.11.0
[INFO] [stderr]   Downloaded rustyline v17.0.2
[INFO] [stderr]   Downloaded content_inspector v0.2.4
[INFO] [stderr]   Downloaded sha2 v0.11.0-rc.5
[INFO] [stderr]   Downloaded breathes v0.1.5
[INFO] [stderr]   Downloaded aws-lc-rs v1.16.0
[INFO] [stderr]   Downloaded curve25519-dalek v5.0.0-pre.6
[INFO] [stderr]   Downloaded hunspell-sys v0.3.1
[INFO] [stderr]   Downloaded sqlite3-src v0.7.0
[INFO] [stderr]   Downloaded aws-lc-sys v0.37.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+3b1b0ef4d80d3117924d91352c8b6ca528708b3c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 533ab8014f15e48076cf78de73709d039fdd38cac7b38d06d3aa8bf319659af1
[INFO] running `Command { std: "docker" "start" "-a" "533ab8014f15e48076cf78de73709d039fdd38cac7b38d06d3aa8bf319659af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "533ab8014f15e48076cf78de73709d039fdd38cac7b38d06d3aa8bf319659af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "533ab8014f15e48076cf78de73709d039fdd38cac7b38d06d3aa8bf319659af1", kill_on_drop: false }`
[INFO] [stdout] 533ab8014f15e48076cf78de73709d039fdd38cac7b38d06d3aa8bf319659af1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+3b1b0ef4d80d3117924d91352c8b6ca528708b3c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 852794ee714da218cf192654b10f6f9058a3d0159d8087abba134cc8365e4c38
[INFO] running `Command { std: "docker" "start" "-a" "852794ee714da218cf192654b10f6f9058a3d0159d8087abba134cc8365e4c38", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/silexium/Cargo.toml: version requirement `1.0.1+spec-1.1.0` for dependency `toml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr] warning: /opt/rustwide/workdir/uvd/Cargo.toml: version requirement `1.0.1+spec-1.1.0` for dependency `toml` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking hybrid-array v0.4.7
[INFO] [stderr]     Checking const-oid v0.10.2
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]    Compiling zerocopy v0.8.40
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling curve25519-dalek v5.0.0-pre.6
[INFO] [stderr]    Compiling unicase v2.9.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]    Compiling aws-lc-rs v1.16.0
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking signature v3.0.0-rc.10
[INFO] [stderr]     Checking bstr v1.12.1
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]     Checking data-encoding v2.10.0
[INFO] [stderr]     Checking ed25519 v3.0.0-rc.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking block-buffer v0.12.0
[INFO] [stderr]     Checking crypto-common v0.2.1
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling home v0.5.12
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]    Compiling bindgen v0.61.0
[INFO] [stderr]     Checking http-range-header v0.4.2
[INFO] [stderr]     Checking toml_parser v1.0.9+spec-1.1.0
[INFO] [stderr]    Compiling cc v1.2.56
[INFO] [stderr]     Checking axum-core v0.5.6
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[INFO] [stderr]     Checking digest v0.11.1
[INFO] [stderr]     Checking sha2 v0.11.0-rc.5
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking socket2 v0.6.2
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking signal-hook v0.3.18
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]     Checking toml_datetime v1.0.0+spec-1.1.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]     Checking signal-hook-mio v0.2.5
[INFO] [stderr]    Compiling rlimit v0.11.0
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]     Checking ryu-js v0.2.2
[INFO] [stderr]     Checking console v0.16.2
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]     Checking toml v1.0.3+spec-1.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]     Checking tempfile v3.26.0
[INFO] [stderr]     Checking fuzzy-matcher v0.3.7
[INFO] [stderr]     Checking rand v0.10.0
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]    Compiling nix v0.31.2
[INFO] [stderr]     Checking content_inspector v0.2.4
[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling pulldown-cmark v0.13.1
[INFO] [stderr]     Checking unit-prefix v0.5.2
[INFO] [stderr]     Checking papergrid v0.17.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking indicatif v0.18.4
[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/3b1b0ef4d80d3117924d91352c8b6ca528708b3c/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=-7c7437438a104b4b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d4cb564e807a9cd7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-28532d321a976b97.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-8c98a1a0e58216a9.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" "852794ee714da218cf192654b10f6f9058a3d0159d8087abba134cc8365e4c38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "852794ee714da218cf192654b10f6f9058a3d0159d8087abba134cc8365e4c38", kill_on_drop: false }`
[INFO] [stdout] 852794ee714da218cf192654b10f6f9058a3d0159d8087abba134cc8365e4c38