[INFO] fetching crate mrpc 0.0.6...
[INFO] building mrpc-0.0.6 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate mrpc 0.0.6 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate mrpc 0.0.6
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mrpc 0.0.6
[INFO] tweaked toml for crates.io crate mrpc 0.0.6 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mrpc 0.0.6 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mrpc 0.0.6 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99c444b4bb18225693ea39cf9bcef239bda071e2062eae4bd665bf4a79d607fc
[INFO] running `Command { std: "docker" "start" "-a" "99c444b4bb18225693ea39cf9bcef239bda071e2062eae4bd665bf4a79d607fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99c444b4bb18225693ea39cf9bcef239bda071e2062eae4bd665bf4a79d607fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c444b4bb18225693ea39cf9bcef239bda071e2062eae4bd665bf4a79d607fc", kill_on_drop: false }`
[INFO] [stdout] 99c444b4bb18225693ea39cf9bcef239bda071e2062eae4bd665bf4a79d607fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58eba123f007d4014ecc40d9be5c8d00fc060c96351d2b3a3000c658396043c7
[INFO] running `Command { std: "docker" "start" "-a" "58eba123f007d4014ecc40d9be5c8d00fc060c96351d2b3a3000c658396043c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling bytes v1.9.0
[INFO] [stderr]    Compiling thiserror v2.0.9
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling syn v2.0.92
[INFO] [stderr]    Compiling rmpv v1.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling socket2 v0.5.8
[INFO] [stderr]    Compiling mio v1.0.3
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.9
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling async-trait v0.1.83
[INFO] [stderr]    Compiling tokio v1.42.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tokio-util v0.7.13
[INFO] [stderr]    Compiling mrpc v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.07s
[INFO] running `Command { std: "docker" "inspect" "58eba123f007d4014ecc40d9be5c8d00fc060c96351d2b3a3000c658396043c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58eba123f007d4014ecc40d9be5c8d00fc060c96351d2b3a3000c658396043c7", kill_on_drop: false }`
[INFO] [stdout] 58eba123f007d4014ecc40d9be5c8d00fc060c96351d2b3a3000c658396043c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b12560693f6a96e909008cce17e527cfdcee910ff0d118e819eb2d3a73dbaf6
[INFO] running `Command { std: "docker" "start" "-a" "4b12560693f6a96e909008cce17e527cfdcee910ff0d118e819eb2d3a73dbaf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling serde_json v1.0.134
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling rustix v0.38.42
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling tokio-util v0.7.13
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling clap_builder v4.5.23
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling tracing-test-macro v0.2.5
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling mrpc v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling tracing-test v0.2.5
[INFO] [stderr] error: could not compile `tracing-subscriber` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name tracing_subscriber --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tracing-subscriber-0.3.19/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="alloc"' --cfg 'feature="ansi"' --cfg 'feature="default"' --cfg 'feature="env-filter"' --cfg 'feature="fmt"' --cfg 'feature="matchers"' --cfg 'feature="nu-ansi-term"' --cfg 'feature="once_cell"' --cfg 'feature="regex"' --cfg 'feature="registry"' --cfg 'feature="sharded-slab"' --cfg 'feature="smallvec"' --cfg 'feature="std"' --cfg 'feature="thread_local"' --cfg 'feature="tracing"' --cfg 'feature="tracing-log"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "ansi", "chrono", "default", "env-filter", "fmt", "json", "local-time", "matchers", "nu-ansi-term", "once_cell", "parking_lot", "regex", "registry", "serde", "serde_json", "sharded-slab", "smallvec", "std", "thread_local", "time", "tracing", "tracing-log", "tracing-serde", "valuable", "valuable-serde", "valuable_crate"))' -C metadata=e67fac024a4c0b1e -C extra-filename=-2999042660091798 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern matchers=/opt/rustwide/target/debug/deps/libmatchers-325c66ff3d6c0610.rmeta --extern nu_ansi_term=/opt/rustwide/target/debug/deps/libnu_ansi_term-c634e6ff7c6e5c03.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-debe7c411cf97340.rmeta --extern regex=/opt/rustwide/target/debug/deps/libregex-e1e92277ca53e021.rmeta --extern sharded_slab=/opt/rustwide/target/debug/deps/libsharded_slab-8a8a8c9e27e64aa6.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-8045c56aeb050430.rmeta --extern thread_local=/opt/rustwide/target/debug/deps/libthread_local-0f0b93b43b5e76ce.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-f0f79ae7280c8087.rmeta --extern tracing_core=/opt/rustwide/target/debug/deps/libtracing_core-00042915e72642a2.rmeta --extern tracing_log=/opt/rustwide/target/debug/deps/libtracing_log-f51603121d545558.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" "4b12560693f6a96e909008cce17e527cfdcee910ff0d118e819eb2d3a73dbaf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b12560693f6a96e909008cce17e527cfdcee910ff0d118e819eb2d3a73dbaf6", kill_on_drop: false }`
[INFO] [stdout] 4b12560693f6a96e909008cce17e527cfdcee910ff0d118e819eb2d3a73dbaf6