[INFO] fetching crate mongodb-ensure-index 0.1.1...
[INFO] building mongodb-ensure-index-0.1.1 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate mongodb-ensure-index 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mongodb-ensure-index 0.1.1
[INFO] finished tweaking crates.io crate mongodb-ensure-index 0.1.1
[INFO] tweaked toml for crates.io crate mongodb-ensure-index 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mongodb-ensure-index 0.1.1 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mongodb-ensure-index 0.1.1 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce1a210a1644b1c88e7c3f9ca158ace615cef3b09a09ecff757ad4c6f1718e2d
[INFO] running `Command { std: "docker" "start" "-a" "ce1a210a1644b1c88e7c3f9ca158ace615cef3b09a09ecff757ad4c6f1718e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce1a210a1644b1c88e7c3f9ca158ace615cef3b09a09ecff757ad4c6f1718e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce1a210a1644b1c88e7c3f9ca158ace615cef3b09a09ecff757ad4c6f1718e2d", kill_on_drop: false }`
[INFO] [stdout] ce1a210a1644b1c88e7c3f9ca158ace615cef3b09a09ecff757ad4c6f1718e2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bb3678d2e0308f8ed245bf5bbe7155e6a6fff3fb0d151926bf3b78a3b73f208
[INFO] running `Command { std: "docker" "start" "-a" "3bb3678d2e0308f8ed245bf5bbe7155e6a6fff3fb0d151926bf3b78a3b73f208", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling tinystr v0.8.1
[INFO] [stderr]    Compiling potential_utf v0.1.2
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling futures-channel 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 digest v0.10.7
[INFO] [stderr]    Compiling darling_core v0.20.11
[INFO] [stderr]    Compiling tokio v1.46.1
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling icu_locale_core v2.0.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]    Compiling enum-as-inner v0.6.1
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling rustc_version_runtime v0.3.0
[INFO] [stderr]    Compiling syn v1.0.109
[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/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name darling_core --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/darling_core-0.20.11/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=9b232dd2a6f65ada -C extra-filename=-13c6daca1001d27b --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_macro2-09040b10b620fa15.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-bff949ffe258c67d.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-24acdad2526b95b7.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-f9cb331781faf872.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `cc` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name cc --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cc-1.2.29/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 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("jobserver", "parallel"))' -C metadata=cd17d075d659bdd8 -C extra-filename=-24aa8ff707fa6991 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern shlex=/opt/rustwide/target/debug/deps/libshlex-258c8bec04b9d869.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "3bb3678d2e0308f8ed245bf5bbe7155e6a6fff3fb0d151926bf3b78a3b73f208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bb3678d2e0308f8ed245bf5bbe7155e6a6fff3fb0d151926bf3b78a3b73f208", kill_on_drop: false }`
[INFO] [stdout] 3bb3678d2e0308f8ed245bf5bbe7155e6a6fff3fb0d151926bf3b78a3b73f208