[INFO] fetching crate kowalski-core 0.5.0...
[INFO] testing kowalski-core-0.5.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237
[INFO] extracting crate kowalski-core 0.5.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate kowalski-core 0.5.0
[INFO] finished tweaking crates.io crate kowalski-core 0.5.0
[INFO] tweaked toml for crates.io crate kowalski-core 0.5.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate kowalski-core 0.5.0 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 kowalski-core 0.5.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8bcb780fe114ace5b7fd5e42c90ec9075693512e395922efa0a4e84c45dd3b48
[INFO] running `Command { std: "docker" "start" "-a" "8bcb780fe114ace5b7fd5e42c90ec9075693512e395922efa0a4e84c45dd3b48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bcb780fe114ace5b7fd5e42c90ec9075693512e395922efa0a4e84c45dd3b48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bcb780fe114ace5b7fd5e42c90ec9075693512e395922efa0a4e84c45dd3b48", kill_on_drop: false }`
[INFO] [stdout] 8bcb780fe114ace5b7fd5e42c90ec9075693512e395922efa0a4e84c45dd3b48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 26b92a1f94f80cf630793bb790924561446fcc52cab98f9ccb47c64aa84efc89
[INFO] running `Command { std: "docker" "start" "-a" "26b92a1f94f80cf630793bb790924561446fcc52cab98f9ccb47c64aa84efc89", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.20
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling crunchy v0.2.3
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling openssl v0.10.72
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]    Compiling winnow v0.7.7
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling arraydeque v0.5.1
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling rustls-pemfile v2.2.0
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling tokio v1.44.2
[INFO] [stderr]    Compiling async-trait v0.1.88
[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-1.2.20/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=d42d4fc80f9179ce -C extra-filename=-f1e2572a50b4ef08 --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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `serde_derive` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name serde_derive --edition=2015 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_derive-1.0.219/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no --cfg 'feature="default"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "deserialize_in_place"))' -C metadata=16dcb04508f1495e -C extra-filename=-fe1a7498a142ea46 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-09040b10b620fa15.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-bff949ffe258c67d.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-8fbe4e885794bb83.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "26b92a1f94f80cf630793bb790924561446fcc52cab98f9ccb47c64aa84efc89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26b92a1f94f80cf630793bb790924561446fcc52cab98f9ccb47c64aa84efc89", kill_on_drop: false }`
[INFO] [stdout] 26b92a1f94f80cf630793bb790924561446fcc52cab98f9ccb47c64aa84efc89