[INFO] fetching crate tracing-subscriber 0.3.20...
[INFO] building tracing-subscriber-0.3.20 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate tracing-subscriber 0.3.20 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate tracing-subscriber 0.3.20
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tracing-subscriber 0.3.20
[INFO] tweaked toml for crates.io crate tracing-subscriber 0.3.20 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-subscriber 0.3.20 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 tracing-subscriber 0.3.20 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-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d90a4da613f400f045acd8974a07f892ed48f6ba742258b22ae9e97145017d3
[INFO] running `Command { std: "docker" "start" "-a" "6d90a4da613f400f045acd8974a07f892ed48f6ba742258b22ae9e97145017d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d90a4da613f400f045acd8974a07f892ed48f6ba742258b22ae9e97145017d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d90a4da613f400f045acd8974a07f892ed48f6ba742258b22ae9e97145017d3", kill_on_drop: false }`
[INFO] [stdout] 6d90a4da613f400f045acd8974a07f892ed48f6ba742258b22ae9e97145017d3
[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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbac56ebef37e773deae27f18cbc28343cfcbea92aa22507c61cbc3e67e51862
[INFO] running `Command { std: "docker" "start" "-a" "cbac56ebef37e773deae27f18cbc28343cfcbea92aa22507c61cbc3e67e51862", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling nu-ansi-term v0.50.1
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.48s
[INFO] running `Command { std: "docker" "inspect" "cbac56ebef37e773deae27f18cbc28343cfcbea92aa22507c61cbc3e67e51862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbac56ebef37e773deae27f18cbc28343cfcbea92aa22507c61cbc3e67e51862", kill_on_drop: false }`
[INFO] [stdout] cbac56ebef37e773deae27f18cbc28343cfcbea92aa22507c61cbc3e67e51862
[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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a39f32d171cb38fd62958b84a1a781fd6ce0090505d2198178f86f29c6e179f0
[INFO] running `Command { std: "docker" "start" "-a" "a39f32d171cb38fd62958b84a1a781fd6ce0090505d2198178f86f29c6e179f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling csv-core v0.1.12
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling tracing-subscriber v0.3.20 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling time v0.3.41
[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/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name tracing_subscriber --edition=2018 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)' --check-cfg 'cfg(unsound_local_offset)' --cfg 'feature="alloc"' --cfg 'feature="ansi"' --cfg 'feature="default"' --cfg 'feature="fmt"' --cfg 'feature="nu-ansi-term"' --cfg 'feature="registry"' --cfg 'feature="sharded-slab"' --cfg 'feature="smallvec"' --cfg 'feature="std"' --cfg 'feature="thread_local"' --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=40943681c0f00cdb -C extra-filename=-0d7049258feb0a1f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern nu_ansi_term=/opt/rustwide/target/debug/deps/libnu_ansi_term-3bb03eaa72f55709.rmeta --extern sharded_slab=/opt/rustwide/target/debug/deps/libsharded_slab-8a8a8c9e27e64aa6.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-45f6e3b8047adea1.rmeta --extern thread_local=/opt/rustwide/target/debug/deps/libthread_local-58a5bffdafb22871.rmeta --extern tracing_core=/opt/rustwide/target/debug/deps/libtracing_core-2fa02b5ee2bcd648.rmeta --extern tracing_log=/opt/rustwide/target/debug/deps/libtracing_log-7a8b950d53681b3b.rmeta --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `regex-syntax` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/bin/rustc --crate-name regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.8.5/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 --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arbitrary", "default", "std", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=64b8ba789797fafd -C extra-filename=-2f734124a51b36fa --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "a39f32d171cb38fd62958b84a1a781fd6ce0090505d2198178f86f29c6e179f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a39f32d171cb38fd62958b84a1a781fd6ce0090505d2198178f86f29c6e179f0", kill_on_drop: false }`
[INFO] [stdout] a39f32d171cb38fd62958b84a1a781fd6ce0090505d2198178f86f29c6e179f0