[INFO] fetching crate bandmix 0.1.6...
[INFO] testing bandmix-0.1.6 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739
[INFO] extracting crate bandmix 0.1.6 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate bandmix 0.1.6
[INFO] finished tweaking crates.io crate bandmix 0.1.6
[INFO] tweaked toml for crates.io crate bandmix 0.1.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bandmix 0.1.6 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate bandmix 0.1.6 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded reqwest-middleware v0.4.2
[INFO] [stderr]   Downloaded stream-download v0.22.4
[INFO] [stderr]   Downloaded anyhow v1.0.99
[INFO] [stderr]   Downloaded educe v0.6.0
[INFO] [stderr]   Downloaded enum-ordinalize v4.3.0
[INFO] [stderr]   Downloaded rangemap v1.6.0
[INFO] [stderr]   Downloaded mediatype v0.20.0
[INFO] [stderr]   Downloaded enum-ordinalize-derive v4.3.1
[INFO] [stderr]   Downloaded zbus v3.15.2
[INFO] [stderr]   Downloaded zbus_names v2.6.1
[INFO] [stderr]   Downloaded zbus_macros v3.15.2
[INFO] [stderr]   Downloaded zvariant_derive v3.15.2
[INFO] [stderr]   Downloaded zvariant v3.15.2
[INFO] [stderr]   Downloaded zvariant_utils v1.0.1
[INFO] [stderr]   Downloaded souvlaki v0.8.3
[INFO] [stderr]   Downloaded async-signal v0.2.12
[INFO] [stderr]   Downloaded async-io v2.5.0
[INFO] [stderr]   Downloaded polling v3.10.0
[INFO] [stderr]   Downloaded rustix v0.37.28
[INFO] [stderr]   Downloaded async-fs v1.6.0
[INFO] [stderr]   Downloaded pollster v0.3.0
[INFO] [stderr]   Downloaded cocoa-foundation v0.1.2
[INFO] [stderr]   Downloaded dbus-crossroads v0.5.2
[INFO] [stderr]   Downloaded dbus v0.9.8
[INFO] [stderr]   Downloaded libdbus-sys v0.2.6
[INFO] [stderr]   Downloaded getopts v0.2.23
[INFO] [stderr]   Downloaded savefile-derive v0.19.0
[INFO] [stderr]   Downloaded savefile v0.19.0
[INFO] [stderr]   Downloaded bytemuck v1.23.2
[INFO] [stderr]   Downloaded rodio v0.21.1
[INFO] [stderr]   Downloaded objc2-core-audio-types v0.3.1
[INFO] [stderr]   Downloaded objc2-core-audio v0.3.1
[INFO] [stderr]   Downloaded cpal v0.16.0
[INFO] [stderr]   Downloaded objc2 v0.6.2
[INFO] [stderr]   Downloaded objc2-audio-toolbox v0.3.1
[INFO] [stderr]   Downloaded objc2-foundation v0.3.1
[INFO] [stderr]   Downloaded coreaudio-rs v0.13.0
[INFO] [stderr]   Downloaded retry-policies v0.4.0
[INFO] [stderr]   Downloaded reqwest-retry v0.7.0
[INFO] [stderr]   Downloaded localsavefile-derive v0.2.14
[INFO] [stderr]   Downloaded sanitize-filename v0.6.0
[INFO] [stderr]   Downloaded libredox v0.1.9
[INFO] [stderr]   Downloaded http-cache-reqwest v0.16.0
[INFO] [stderr]   Downloaded http-cache-semantics v2.1.0
[INFO] [stderr]   Downloaded http-serde v2.1.1
[INFO] [stderr]   Downloaded cacache v13.1.0
[INFO] [stderr]   Downloaded sha-1 v0.10.1
[INFO] [stderr]   Downloaded utf8-width v0.1.7
[INFO] [stderr]   Downloaded vswhom v0.1.0
[INFO] [stderr]   Downloaded http-cache v0.21.0
[INFO] [stderr]   Downloaded embed-resource v3.0.5
[INFO] [stderr]   Downloaded ssri v9.2.0
[INFO] [stderr]   Downloaded vswhom-sys v0.1.3
[INFO] [stderr]   Downloaded reflink-copy v0.1.26
[INFO] [stderr]   Downloaded toml v0.9.5
[INFO] [stderr]   Downloaded criterion v0.7.0
[INFO] [stderr]   Downloaded toml_datetime v0.7.0
[INFO] [stderr]   Downloaded toml_writer v1.0.2
[INFO] [stderr]   Downloaded serde_spanned v1.0.0
[INFO] [stderr]   Downloaded criterion-plot v0.6.0
[INFO] [stderr]   Downloaded gjson v0.8.1
[INFO] [stderr]   Downloaded localsavefile v0.2.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 192aa321c95a5444cf054ce1092eaa7ed6ca2d589014b50d318261100b125eaf
[INFO] running `Command { std: "docker" "start" "-a" "192aa321c95a5444cf054ce1092eaa7ed6ca2d589014b50d318261100b125eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "192aa321c95a5444cf054ce1092eaa7ed6ca2d589014b50d318261100b125eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "192aa321c95a5444cf054ce1092eaa7ed6ca2d589014b50d318261100b125eaf", kill_on_drop: false }`
[INFO] [stdout] 192aa321c95a5444cf054ce1092eaa7ed6ca2d589014b50d318261100b125eaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8889c01a93aa27ce26de190f4358e595edc069f63e52f7accfab4ca462935ea9
[INFO] running `Command { std: "docker" "start" "-a" "8889c01a93aa27ce26de190f4358e595edc069f63e52f7accfab4ca462935ea9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling bitflags v2.9.3
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling litemap v0.8.0
[INFO] [stderr]    Compiling bytemuck v1.23.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling writeable v0.6.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling symphonia-core v0.5.4
[INFO] [stderr]    Compiling http v1.3.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling concurrent-queue v2.5.0
[INFO] [stderr]    Compiling indexmap v2.11.0
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling event-listener v5.4.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling symphonia-metadata v0.5.4
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling iri-string v0.7.8
[INFO] [stderr]    Compiling zeroize v1.8.1
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]    Compiling rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling web_atoms v0.1.3
[INFO] [stderr]    Compiling symphonia-utils-xiph v0.5.4
[INFO] [stderr]    Compiling event-listener-strategy v0.5.4
[INFO] [stderr]    Compiling bzip2-sys v0.1.13+1.0.8
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling futures-lite v2.6.1
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling tempfile v3.21.0
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling async-channel v2.5.0
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling sha-1 v0.10.1
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling blocking v1.6.2
[INFO] [stderr]    Compiling savefile v0.19.0
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling reflink-copy v0.1.26
[INFO] [stderr]    Compiling socket2 v0.4.10
[INFO] [stderr]    Compiling memmap2 v0.5.10
[INFO] [stderr]    Compiling selectors v0.31.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling extended v0.1.0
[INFO] [stderr]    Compiling cpal v0.16.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling iana-time-zone v0.1.63
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling thiserror v2.0.16
[INFO] [stderr]    Compiling chrono v0.4.41
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling symphonia-format-riff v0.5.4
[INFO] [stderr]    Compiling alsa v0.9.1
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling bzip2 v0.4.4
[INFO] [stderr]    Compiling async-executor v1.13.2
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling xdg-home v1.3.0
[INFO] [stderr]    Compiling symphonia-codec-vorbis v0.5.4
[INFO] [stderr]    Compiling symphonia-bundle-flac v0.5.4
[INFO] [stderr]    Compiling symphonia-format-ogg v0.5.4
[INFO] [stderr]    Compiling symphonia-format-isomp4 v0.5.4
[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/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.106/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="fold"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="visit"' --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", "test", "visit", "visit-mut"))' -C metadata=91eae630af298c58 -C extra-filename=-0efc030e4fa39701 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4bb2e3bd3e6de83e.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-228374cb82a96ee0.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-63696b82ec5b5f94.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" "8889c01a93aa27ce26de190f4358e595edc069f63e52f7accfab4ca462935ea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8889c01a93aa27ce26de190f4358e595edc069f63e52f7accfab4ca462935ea9", kill_on_drop: false }`
[INFO] [stdout] 8889c01a93aa27ce26de190f4358e595edc069f63e52f7accfab4ca462935ea9
