[INFO] fetching crate semaphore-rs 0.5.0...
[INFO] building semaphore-rs-0.5.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate semaphore-rs 0.5.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate semaphore-rs 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate semaphore-rs 0.5.0
[INFO] tweaked toml for crates.io crate semaphore-rs 0.5.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate semaphore-rs 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 semaphore-rs 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83af603b3cce78f68bdcd695e3e3e0d197a3b4f986136c0c5dfe55f7663dcdc9
[INFO] running `Command { std: "docker" "start" "-a" "83af603b3cce78f68bdcd695e3e3e0d197a3b4f986136c0c5dfe55f7663dcdc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83af603b3cce78f68bdcd695e3e3e0d197a3b4f986136c0c5dfe55f7663dcdc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83af603b3cce78f68bdcd695e3e3e0d197a3b4f986136c0c5dfe55f7663dcdc9", kill_on_drop: false }`
[INFO] [stdout] 83af603b3cce78f68bdcd695e3e3e0d197a3b4f986136c0c5dfe55f7663dcdc9
[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" "-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] 719aba5a9a884a03e12ccc931bf7ef97e5f37b1bffefaa8c4801d45eb10f592b
[INFO] running `Command { std: "docker" "start" "-a" "719aba5a9a884a03e12ccc931bf7ef97e5f37b1bffefaa8c4801d45eb10f592b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling bytemuck v1.23.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling ruint-macro v1.2.1
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling crunchy v0.2.3
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling hashbrown v0.13.2
[INFO] [stderr]    Compiling owo-colors v4.2.1
[INFO] [stderr]    Compiling miniz_oxide v0.8.8
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling color-spantrace v0.3.0
[INFO] [stderr] error: could not compile `tracing-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 tracing_core --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-core-0.1.33/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 -C debuginfo=2 --warn=unexpected_cfgs --check-cfg 'cfg(flaky_tests)' --check-cfg 'cfg(tracing_unstable)' --cfg 'feature="default"' --cfg 'feature="once_cell"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("default", "once_cell", "std", "valuable"))' -C metadata=a3c06563549eed92 -C extra-filename=-1a2ca7348b8c761e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-0ba6aecba7086d38.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" "719aba5a9a884a03e12ccc931bf7ef97e5f37b1bffefaa8c4801d45eb10f592b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "719aba5a9a884a03e12ccc931bf7ef97e5f37b1bffefaa8c4801d45eb10f592b", kill_on_drop: false }`
[INFO] [stdout] 719aba5a9a884a03e12ccc931bf7ef97e5f37b1bffefaa8c4801d45eb10f592b