[INFO] fetching crate twine_protocol 0.1.3...
[INFO] building twine_protocol-0.1.3 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate twine_protocol 0.1.3 into /workspace/builds/worker-2-tc2/source
[INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate twine_protocol 0.1.3
[INFO] finished tweaking crates.io crate twine_protocol 0.1.3
[INFO] tweaked toml for crates.io crate twine_protocol 0.1.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate twine_protocol 0.1.3 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 twine_protocol 0.1.3 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] 280c830cd02dc2b7faac13c1c9e8765534039f23b978967bf4ec028cf17c54c2
[INFO] running `Command { std: "docker" "start" "-a" "280c830cd02dc2b7faac13c1c9e8765534039f23b978967bf4ec028cf17c54c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "280c830cd02dc2b7faac13c1c9e8765534039f23b978967bf4ec028cf17c54c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "280c830cd02dc2b7faac13c1c9e8765534039f23b978967bf4ec028cf17c54c2", kill_on_drop: false }`
[INFO] [stdout] 280c830cd02dc2b7faac13c1c9e8765534039f23b978967bf4ec028cf17c54c2
[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] 1351132486b24cec7e9118e5d3424f5f0f3611dd55b3f8a9ce6ada469c4c8a82
[INFO] running `Command { std: "docker" "start" "-a" "1351132486b24cec7e9118e5d3424f5f0f3611dd55b3f8a9ce6ada469c4c8a82", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling base-x v0.2.11
[INFO] [stderr]    Compiling der v0.7.10
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling cc v1.2.19
[INFO] [stderr]    Compiling unsigned-varint v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling unsigned-varint v0.7.2
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling winnow v0.7.6
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling constant_time_eq v0.3.1
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling num-bigint-dig v0.8.4
[INFO] [stderr]    Compiling ff v0.13.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling group v0.13.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-bigint v0.5.5
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling blake2b_simd v1.0.3
[INFO] [stderr] error: could not compile `serde` (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 --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde-1.0.219/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="default"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "derive", "rc", "serde_derive", "std", "unstable"))' -C metadata=1095e418619b0c3b -C extra-filename=-2d6f6b6ec57d0a6d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid --check-cfg 'cfg(no_core_cstr)' --check-cfg 'cfg(no_core_error)' --check-cfg 'cfg(no_core_net)' --check-cfg 'cfg(no_core_num_saturating)' --check-cfg 'cfg(no_core_try_from)' --check-cfg 'cfg(no_diagnostic_namespace)' --check-cfg 'cfg(no_float_copysign)' --check-cfg 'cfg(no_num_nonzero_signed)' --check-cfg 'cfg(no_relaxed_trait_bounds)' --check-cfg 'cfg(no_serde_derive)' --check-cfg 'cfg(no_std_atomic)' --check-cfg 'cfg(no_std_atomic64)' --check-cfg 'cfg(no_systemtime_checked_add)' --check-cfg 'cfg(no_target_has_atomic)'` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1351132486b24cec7e9118e5d3424f5f0f3611dd55b3f8a9ce6ada469c4c8a82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1351132486b24cec7e9118e5d3424f5f0f3611dd55b3f8a9ce6ada469c4c8a82", kill_on_drop: false }`
[INFO] [stdout] 1351132486b24cec7e9118e5d3424f5f0f3611dd55b3f8a9ce6ada469c4c8a82