[INFO] fetching crate koan-core 0.23.3...
[INFO] checking koan-core-0.23.3 against master#03c609abb6638f9d7f49f34326d4137d07f5cd61 for pr-155945
[INFO] extracting crate koan-core 0.23.3 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate koan-core 0.23.3 on toolchain 03c609abb6638f9d7f49f34326d4137d07f5cd61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "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" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee069160b6b8c3be3a5c9df3f85f99a84a0ab93f8bfc5f12edc1dfa9f89805a4
[INFO] running `Command { std: "docker" "start" "-a" "ee069160b6b8c3be3a5c9df3f85f99a84a0ab93f8bfc5f12edc1dfa9f89805a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee069160b6b8c3be3a5c9df3f85f99a84a0ab93f8bfc5f12edc1dfa9f89805a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee069160b6b8c3be3a5c9df3f85f99a84a0ab93f8bfc5f12edc1dfa9f89805a4", kill_on_drop: false }`
[INFO] [stdout] ee069160b6b8c3be3a5c9df3f85f99a84a0ab93f8bfc5f12edc1dfa9f89805a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+03c609abb6638f9d7f49f34326d4137d07f5cd61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ac21849b487a88922396a65c509d6ecdbe255ab17c5221f2e6c664a5048b62a
[INFO] running `Command { std: "docker" "start" "-a" "1ac21849b487a88922396a65c509d6ecdbe255ab17c5221f2e6c664a5048b62a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.16
[INFO] [stderr]     Checking bytemuck v1.25.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]    Compiling zerocopy v0.8.42
[INFO] [stderr]    Compiling aws-lc-rs v1.16.1
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling aws-lc-sys v0.38.0
[INFO] [stderr]     Checking futures-sink v0.3.32
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]     Checking tokio v1.50.0
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling bindgen v0.64.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking rustls-pki-types v1.14.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling rustls v0.23.37
[INFO] [stderr]     Checking futures-util v0.3.32
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[INFO] [stderr]    Compiling libdbus-sys v0.2.7
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]    Compiling rustix v0.38.44
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[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking winnow v0.7.15
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
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[INFO] [stderr]    Compiling libsqlite3-sys v0.36.0
[INFO] [stderr]     Checking deranged v0.5.8
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[INFO] [stderr]     Checking toml_datetime v0.6.11
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[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling which v4.4.2
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[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking noisy_float v0.2.1
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]     Checking toml_edit v0.22.27
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]     Checking transpose v0.2.3
[INFO] [stderr]     Checking primal-check v0.3.4
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking rustfft v6.4.1
[INFO] [stderr]     Checking ndarray v0.16.1
[INFO] [stderr]     Checking hyper-util v0.1.20
[INFO] [stderr]     Checking tower v0.5.3
[INFO] [stderr]    Compiling pear_codegen v0.2.9
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling figment v0.10.19
[INFO] [stderr]    Compiling cpal v0.15.3
[INFO] [stderr]     Checking inlinable_string v0.1.15
[INFO] [stderr]    Compiling bliss-audio v0.11.2
[INFO] [stderr]    Compiling ebur128 v0.1.10
[INFO] [stderr]     Checking winnow v1.0.0
[INFO] [stderr]     Checking ogg_pager v0.7.1
[INFO] [stderr]     Checking toml_parser v1.0.10+spec-1.1.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking pear v0.2.9
[INFO] [stderr]     Checking tower-http v0.6.8
[INFO] [stderr]     Checking toml v0.8.23
[INFO] [stderr]     Checking password-hash v0.5.0
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[INFO] [stderr]     Checking dbus-secret-service v4.1.0
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[INFO] [stderr]     Checking alsa v0.9.1
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[INFO] [stderr]     Checking dasp_frame v0.11.0
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]    Compiling lofty_attr v0.12.0
[INFO] [stderr]     Checking serde_spanned v1.0.4
[INFO] [stderr]     Checking toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]    Compiling koan-core v0.23.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking toml_writer v1.0.7+spec-1.1.0
[INFO] [stderr]     Checking strum v0.27.2
[INFO] [stderr]     Checking rcue v0.1.3
[INFO] [stderr]     Checking argon2 v0.5.3
[INFO] [stderr]     Checking rustix v1.1.4
[INFO] [stderr]     Checking chrono v0.4.44
[INFO] [stderr]     Checking toml v0.9.12+spec-1.1.0
[INFO] [stderr]     Checking keyring v3.6.3
[INFO] [stderr]     Checking uuid v1.22.0
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[INFO] [stderr]     Checking jsonwebtoken v9.3.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
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[INFO] [stderr]     Checking md5 v0.8.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking ndarray-stats v0.6.0
[INFO] [stderr]     Checking extended-isolation-forest v0.2.3
[INFO] [stderr]     Checking symphonia-core v0.5.5
[INFO] [stderr]     Checking realfft v3.5.0
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[INFO] [stderr]    Compiling bliss-audio-aubio-sys v0.2.4
[INFO] [stderr]     Checking symphonia-metadata v0.5.5
[INFO] [stderr]     Checking symphonia-codec-alac v0.5.5
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[INFO] [stderr]     Checking symphonia-bundle-flac v0.5.5
[INFO] [stderr]     Checking symphonia v0.5.5
[INFO] [stderr]     Checking bliss-audio-aubio-rs v0.2.4
[INFO] [stderr]     Checking rusqlite v0.38.0
[INFO] [stderr]     Checking rustls-webpki v0.103.9
[INFO] [stderr]     Checking tokio-rustls v0.26.4
[INFO] [stderr]     Checking rustls-platform-verifier v0.6.2
[INFO] [stderr]     Checking hyper-rustls v0.27.7
[INFO] [stderr]     Checking reqwest v0.13.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `Command { std: "docker" "inspect" "1ac21849b487a88922396a65c509d6ecdbe255ab17c5221f2e6c664a5048b62a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ac21849b487a88922396a65c509d6ecdbe255ab17c5221f2e6c664a5048b62a", kill_on_drop: false }`
[INFO] [stdout] 1ac21849b487a88922396a65c509d6ecdbe255ab17c5221f2e6c664a5048b62a