[INFO] fetching crate yttrium_std_math 1.0.0...
[INFO] building yttrium_std_math-1.0.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate yttrium_std_math 1.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate yttrium_std_math 1.0.0
[INFO] finished tweaking crates.io crate yttrium_std_math 1.0.0
[INFO] tweaked toml for crates.io crate yttrium_std_math 1.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate yttrium_std_math 1.0.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 224 packages to latest compatible versions
[INFO] [stderr]       Adding serenity v0.10.10 (available: v0.12.4)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a86edb7bee799f9901c6517e495b5a23b4e59be570f473f4ae343ff898ee8c19
[INFO] running `Command { std: "docker" "start" "-a" "a86edb7bee799f9901c6517e495b5a23b4e59be570f473f4ae343ff898ee8c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a86edb7bee799f9901c6517e495b5a23b4e59be570f473f4ae343ff898ee8c19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a86edb7bee799f9901c6517e495b5a23b4e59be570f473f4ae343ff898ee8c19", kill_on_drop: false }`
[INFO] [stdout] a86edb7bee799f9901c6517e495b5a23b4e59be570f473f4ae343ff898ee8c19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] bd37b9109dfef3b0f99835fd8e98aec81bac55a9d7f4eeaa903df44b5dbdfe5d
[INFO] running `Command { std: "docker" "start" "-a" "bd37b9109dfef3b0f99835fd8e98aec81bac55a9d7f4eeaa903df44b5dbdfe5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling link-cplusplus v1.0.12
[INFO] [stderr]    Compiling opaque-debug v0.3.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling scratch v1.0.9
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling cxxbridge-flags v1.0.186
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling rustls-pemfile v1.0.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling cxx v1.0.186
[INFO] [stderr]    Compiling codespan-reporting v0.12.0
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling webpki-roots v0.25.4
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling sync_wrapper v0.1.2
[INFO] [stderr]    Compiling serenity v0.10.10
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling typemap_rev v0.1.5
[INFO] [stderr]    Compiling uwl v0.6.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling foldhash v0.2.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling sha-1 v0.9.8
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling cxx-build v1.0.186
[INFO] [stderr]    Compiling command_attr v0.3.8
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.10
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.0
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr] error: could not compile `cxx-build` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/4987e9d4227139400384ab59296ffee3b0fb1183/bin/rustc --crate-name cxx_build --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cxx-build-1.0.186/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 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("parallel"))' -C metadata=bad515c46635b9c5 -C extra-filename=-8b475cbcaf9a0241 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cc=/opt/rustwide/target/debug/deps/libcc-c60929b4b68e147b.rmeta --extern codespan_reporting=/opt/rustwide/target/debug/deps/libcodespan_reporting-70ade4b3ee83b21d.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-af0e6b348448aa24.rmeta --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-9248f370e3bf331a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-f171060c36ecc86e.rmeta --extern scratch=/opt/rustwide/target/debug/deps/libscratch-564bed13cb8440d7.rmeta --extern syn=/opt/rustwide/target/debug/deps/libsyn-82fd5487f9be672f.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" "bd37b9109dfef3b0f99835fd8e98aec81bac55a9d7f4eeaa903df44b5dbdfe5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd37b9109dfef3b0f99835fd8e98aec81bac55a9d7f4eeaa903df44b5dbdfe5d", kill_on_drop: false }`
[INFO] [stdout] bd37b9109dfef3b0f99835fd8e98aec81bac55a9d7f4eeaa903df44b5dbdfe5d