[INFO] fetching crate mongodb-ro 2.3.0...
[INFO] building mongodb-ro-2.3.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate mongodb-ro 2.3.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate mongodb-ro 2.3.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mongodb-ro 2.3.0
[INFO] tweaked toml for crates.io crate mongodb-ro 2.3.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mongodb-ro 2.3.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mongodb-ro 2.3.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbe3ee5a1b1310d71ae26647b41460a5c3d806b14e7546639806c80c16c27a1b
[INFO] running `Command { std: "docker" "start" "-a" "cbe3ee5a1b1310d71ae26647b41460a5c3d806b14e7546639806c80c16c27a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbe3ee5a1b1310d71ae26647b41460a5c3d806b14e7546639806c80c16c27a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbe3ee5a1b1310d71ae26647b41460a5c3d806b14e7546639806c80c16c27a1b", kill_on_drop: false }`
[INFO] [stdout] cbe3ee5a1b1310d71ae26647b41460a5c3d806b14e7546639806c80c16c27a1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4174b44abfa08f6387a1e1e2bd6fa09340a14fd7376849b1c02c87bfcf931403
[INFO] running `Command { std: "docker" "start" "-a" "4174b44abfa08f6387a1e1e2bd6fa09340a14fd7376849b1c02c87bfcf931403", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling semver v1.0.24
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling tinyvec v1.8.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling serde_json v1.0.135
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling match_cfg v0.1.0
[INFO] [stderr]    Compiling time-macros v0.2.19
[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling log v0.4.25
[INFO] [stderr]    Compiling data-encoding v2.7.0
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling resolv-conf v0.7.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling webpki-roots v0.25.4
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling chrono v0.4.39
[INFO] [stderr]    Compiling sha-1 v0.10.1
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling unicode-normalization v0.1.24
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling pbkdf2 v0.11.0
[INFO] [stderr]    Compiling md-5 v0.10.6
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling stringprep v0.1.5
[INFO] [stderr]    Compiling rustc_version_runtime v0.3.0
[INFO] [stderr]    Compiling time v0.3.37
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling darling_core v0.20.10
[INFO] [stderr]    Compiling typed-builder v0.10.0
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling zerofrom-derive v0.1.5
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling derive-syn-parse v0.2.0
[INFO] [stderr]    Compiling macro_magic_core_macros v0.5.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr] error: could not compile `darling_core` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name darling_core --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/darling_core-0.20.10/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="strsim"' --cfg 'feature="suggestions"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("diagnostics", "strsim", "suggestions"))' -C metadata=0e243100053ffe42 -C extra-filename=-6de8aa8955e9a695 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fnv=/opt/rustwide/target/debug/deps/libfnv-bd60753855300b18.rmeta --extern ident_case=/opt/rustwide/target/debug/deps/libident_case-ecc112105bc5215b.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-844c68018ef35cd7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-5e899913a7e6f36c.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-24acdad2526b95b7.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-843800906dbcd92b.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" "4174b44abfa08f6387a1e1e2bd6fa09340a14fd7376849b1c02c87bfcf931403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4174b44abfa08f6387a1e1e2bd6fa09340a14fd7376849b1c02c87bfcf931403", kill_on_drop: false }`
[INFO] [stdout] 4174b44abfa08f6387a1e1e2bd6fa09340a14fd7376849b1c02c87bfcf931403