[INFO] fetching crate koan-core 0.23.3...
[INFO] checking koan-core-0.23.3 against master#31a9463c6e2794a59ce57a8f37abc6966afc2a58 for pr-156807
[INFO] extracting crate koan-core 0.23.3 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate koan-core 0.23.3
[INFO] finished tweaking crates.io crate koan-core 0.23.3
[INFO] tweaked toml for crates.io crate koan-core 0.23.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate koan-core 0.23.3 on toolchain 31a9463c6e2794a59ce57a8f37abc6966afc2a58
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate koan-core 0.23.3 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" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml_writer v1.0.7+spec-1.1.0
[INFO] [stderr]   Downloaded symphonia-format-riff v0.5.5
[INFO] [stderr]   Downloaded toml_parser v1.0.10+spec-1.1.0
[INFO] [stderr]   Downloaded extended v0.1.0
[INFO] [stderr]   Downloaded symphonia-format-ogg v0.5.5
[INFO] [stderr]   Downloaded symphonia-codec-alac v0.5.5
[INFO] [stderr]   Downloaded symphonia-format-mkv v0.5.5
[INFO] [stderr]   Downloaded symphonia-codec-adpcm v0.5.5
[INFO] [stderr]   Downloaded symphonia-utils-xiph v0.5.5
[INFO] [stderr]   Downloaded symphonia-format-caf v0.5.5
[INFO] [stderr]   Downloaded symphonia-format-isomp4 v0.5.5
[INFO] [stderr]   Downloaded symphonia-bundle-flac v0.5.5
[INFO] [stderr]   Downloaded symphonia-codec-vorbis v0.5.5
[INFO] [stderr]   Downloaded symphonia-codec-pcm v0.5.5
[INFO] [stderr]   Downloaded symphonia-codec-aac v0.5.5
[INFO] [stderr]   Downloaded lofty_attr v0.12.0
[INFO] [stderr]   Downloaded ogg_pager v0.7.1
[INFO] [stderr]   Downloaded opus-decoder v0.1.1
[INFO] [stderr]   Downloaded dbus-secret-service v4.1.0
[INFO] [stderr]   Downloaded lofty v0.23.3
[INFO] [stderr]   Downloaded dasp_frame v0.11.0
[INFO] [stderr]   Downloaded ebur128 v0.1.10
[INFO] [stderr]   Downloaded toml_datetime v1.0.1+spec-1.1.0
[INFO] [stderr]   Downloaded bliss-audio-aubio-rs v0.2.4
[INFO] [stderr]   Downloaded noisy_float v0.2.1
[INFO] [stderr]   Downloaded rubato v0.16.2
[INFO] [stderr]   Downloaded rcue v0.1.3
[INFO] [stderr]   Downloaded bliss-audio v0.11.2
[INFO] [stderr]   Downloaded ndarray-stats v0.6.0
[INFO] [stderr]   Downloaded extended-isolation-forest v0.2.3
[INFO] [stderr]   Downloaded bliss-audio-aubio-sys v0.2.4
[INFO] [stderr]   Downloaded toml_edit v0.25.5+spec-1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5452dc21607e47e02e1da7a7232366f3d603e707e1cff9d35a841edae86d3a8
[INFO] running `Command { std: "docker" "start" "-a" "a5452dc21607e47e02e1da7a7232366f3d603e707e1cff9d35a841edae86d3a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5452dc21607e47e02e1da7a7232366f3d603e707e1cff9d35a841edae86d3a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5452dc21607e47e02e1da7a7232366f3d603e707e1cff9d35a841edae86d3a8", kill_on_drop: false }`
[INFO] [stdout] a5452dc21607e47e02e1da7a7232366f3d603e707e1cff9d35a841edae86d3a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+31a9463c6e2794a59ce57a8f37abc6966afc2a58" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2ea41c21fa09341445fdbfbd6f07fefaefe9d2b8e9a44cda0a95f8d2353c32d
[INFO] running `Command { std: "docker" "start" "-a" "e2ea41c21fa09341445fdbfbd6f07fefaefe9d2b8e9a44cda0a95f8d2353c32d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]    Compiling aws-lc-rs v1.16.1
[INFO] [stderr]    Compiling zerocopy v0.8.42
[INFO] [stderr]     Checking num-traits v0.2.19
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]     Checking tokio v1.50.0
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]    Compiling home v0.5.12
[INFO] [stderr]    Compiling bindgen v0.64.0
[INFO] [stderr]    Compiling rustls v0.23.37
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling libdbus-sys v0.2.7
[INFO] [stderr]     Checking rustls-pki-types v1.14.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]     Checking icu_normalizer v2.1.1
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking indexmap v2.13.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking idna_adapter v1.2.1
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]     Checking dasp_sample v0.11.0
[INFO] [stderr]     Checking extended v0.1.0
[INFO] [stderr]     Checking rustls-native-certs v0.8.3
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]    Compiling pear_codegen v0.2.9
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking transpose v0.2.3
[INFO] [stderr]     Checking primal-check v0.3.4
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking dbus v0.9.10
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking rustfft v6.4.1
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking noisy_float v0.2.1
[INFO] [stderr]     Checking toml_edit v0.22.27
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]    Compiling cc v1.2.57
[INFO] [stderr]    Compiling figment v0.10.19
[INFO] [stderr]    Compiling ebur128 v0.1.10
[INFO] [stderr]     Checking winnow v1.0.0
[INFO] [stderr]    Compiling bliss-audio v0.11.2
[INFO] [stderr]     Checking inlinable_string v0.1.15
[INFO] [stderr]    Compiling cpal v0.15.3
[INFO] [stderr]     Checking toml_parser v1.0.10+spec-1.1.0
[INFO] [stderr]     Checking simple_asn1 v0.6.4
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]     Checking password-hash v0.5.0
[INFO] [stderr]     Checking pear v0.2.9
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]     Checking ogg_pager v0.7.1
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]     Checking alsa v0.9.1
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/31a9463c6e2794a59ce57a8f37abc6966afc2a58/bin/rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-1.0.109/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="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit-mut"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("clone-impls", "default", "derive", "extra-traits", "fold", "full", "parsing", "printing", "proc-macro", "quote", "test", "visit", "visit-mut"))' -C metadata=b098ac78cbaf7634 -C extra-filename=-a78447d02e60323a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d4cb564e807a9cd7.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-aa2c5b8519914b46.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-8c98a1a0e58216a9.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `tokio` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/31a9463c6e2794a59ce57a8f37abc6966afc2a58/bin/rustc --crate-name tokio --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.50.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --warn=unexpected_cfgs --check-cfg 'cfg(fuzzing)' --check-cfg 'cfg(loom)' --check-cfg 'cfg(mio_unsupported_force_poll_poll)' --check-cfg 'cfg(tokio_allow_from_blocking_fd)' --check-cfg 'cfg(tokio_internal_mt_counters)' --check-cfg 'cfg(tokio_no_parking_lot)' --check-cfg 'cfg(tokio_no_tuning_tests)' --check-cfg 'cfg(tokio_unstable)' --check-cfg 'cfg(target_os, values("cygwin"))' --cfg 'feature="bytes"' --cfg 'feature="default"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="rt"' --cfg 'feature="socket2"' --cfg 'feature="sync"' --cfg 'feature="time"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("bytes", "default", "fs", "full", "io-std", "io-uring", "io-util", "libc", "macros", "mio", "net", "parking_lot", "process", "rt", "rt-multi-thread", "signal", "signal-hook-registry", "socket2", "sync", "taskdump", "test-util", "time", "tokio-macros", "tracing", "windows-sys"))' -C metadata=77555fcf2346e080 -C extra-filename=-cb4bf8388f5f18d3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-c3c82aecfaa31497.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-6f65a897ddedb32c.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-46f64652e77ffaca.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-7176d3be2b7ee2e1.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-c0ba1ba8b4b3a90a.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "e2ea41c21fa09341445fdbfbd6f07fefaefe9d2b8e9a44cda0a95f8d2353c32d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2ea41c21fa09341445fdbfbd6f07fefaefe9d2b8e9a44cda0a95f8d2353c32d", kill_on_drop: false }`
[INFO] [stdout] e2ea41c21fa09341445fdbfbd6f07fefaefe9d2b8e9a44cda0a95f8d2353c32d
