[INFO] fetching crate stempel 0.15.0...
[INFO] testing stempel-0.15.0 against try#613d1972a772987ed4ee06faccbab0e2fc839871+rustflags=-Copt-level=3 for pr-107051
[INFO] extracting crate stempel 0.15.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate stempel 0.15.0 on toolchain 613d1972a772987ed4ee06faccbab0e2fc839871
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stempel 0.15.0
[INFO] finished tweaking crates.io crate stempel 0.15.0
[INFO] tweaked toml for crates.io crate stempel 0.15.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate stempel 0.15.0 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" "+613d1972a772987ed4ee06faccbab0e2fc839871" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b9eed2fe028df3d6c5e6c4f9ed76c1f975ff8cd56a2ce44c22f6059cc0987d9
[INFO] running `Command { std: "docker" "start" "-a" "9b9eed2fe028df3d6c5e6c4f9ed76c1f975ff8cd56a2ce44c22f6059cc0987d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b9eed2fe028df3d6c5e6c4f9ed76c1f975ff8cd56a2ce44c22f6059cc0987d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b9eed2fe028df3d6c5e6c4f9ed76c1f975ff8cd56a2ce44c22f6059cc0987d9", kill_on_drop: false }`
[INFO] [stdout] 9b9eed2fe028df3d6c5e6c4f9ed76c1f975ff8cd56a2ce44c22f6059cc0987d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Copt-level=3" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d05ed29e16ebb59b0a9094764fb69107cb1c11dec1763ffaac6c50d63b24f0b
[INFO] running `Command { std: "docker" "start" "-a" "8d05ed29e16ebb59b0a9094764fb69107cb1c11dec1763ffaac6c50d63b24f0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling io-lifetimes v1.0.4
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling rustix v0.36.6
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling gimli v0.27.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling object v0.30.2
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling indenter v0.3.3
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling num_enum_derive v0.5.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling owo-colors v3.5.0
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling is-terminal v0.4.2
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling env_logger v0.10.0
[INFO] [stderr]    Compiling addr2line v0.19.0
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.152/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 -C debuginfo=2 --cfg 'feature="default"' -C metadata=9408b9e74170e7f3 -C extra-filename=-9408b9e74170e7f3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d9fe6e0f6cdad197.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-5509efe862298d6f.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-abae0a576ae6d7a7.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid -Copt-level=3` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8d05ed29e16ebb59b0a9094764fb69107cb1c11dec1763ffaac6c50d63b24f0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d05ed29e16ebb59b0a9094764fb69107cb1c11dec1763ffaac6c50d63b24f0b", kill_on_drop: false }`
[INFO] [stdout] 8d05ed29e16ebb59b0a9094764fb69107cb1c11dec1763ffaac6c50d63b24f0b