[INFO] cloning repository https://github.com/jupyterkat/musecat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jupyterkat/musecat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjupyterkat%2Fmusecat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjupyterkat%2Fmusecat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 113dba9c07413a3e284a47ca2656b57db7885e10
[INFO] checking jupyterkat/musecat against try#50f413885985a8b0a0b6ca0766a0aedd45304953 for pr-155657
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjupyterkat%2Fmusecat" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/jupyterkat/musecat
[INFO] finished tweaking git repo https://github.com/jupyterkat/musecat
[INFO] tweaked toml for git repo https://github.com/jupyterkat/musecat written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jupyterkat/musecat on toolchain 50f413885985a8b0a0b6ca0766a0aedd45304953
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jupyterkat/musecat 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" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e942963a73fcb65538a559c3b13bb980cacc929f5f03692728e3678ea44fd2f0
[INFO] running `Command { std: "docker" "start" "-a" "e942963a73fcb65538a559c3b13bb980cacc929f5f03692728e3678ea44fd2f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e942963a73fcb65538a559c3b13bb980cacc929f5f03692728e3678ea44fd2f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e942963a73fcb65538a559c3b13bb980cacc929f5f03692728e3678ea44fd2f0", kill_on_drop: false }`
[INFO] [stdout] e942963a73fcb65538a559c3b13bb980cacc929f5f03692728e3678ea44fd2f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+50f413885985a8b0a0b6ca0766a0aedd45304953" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b89b0a33accadbe39b03ff824d44fccf55e3d0824c1dc0728bee1ddd0523abb
[INFO] running `Command { std: "docker" "start" "-a" "0b89b0a33accadbe39b03ff824d44fccf55e3d0824c1dc0728bee1ddd0523abb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]     Checking itoa v1.0.17
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling cc v1.2.56
[INFO] [stderr]     Checking bytes v1.11.1
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking futures-channel v0.3.32
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]     Checking futures-io v0.3.32
[INFO] [stderr]     Checking litemap v0.8.1
[INFO] [stderr]     Checking slab v0.4.12
[INFO] [stderr]     Checking writeable v0.6.2
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
[INFO] [stderr]     Checking rustls-pki-types v1.14.0
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling zerocopy v0.8.42
[INFO] [stderr]     Checking form_urlencoded v1.2.2
[INFO] [stderr]    Compiling rustls v0.23.37
[INFO] [stderr]     Checking tracing-core v0.1.36
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking tower-service v0.3.3
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking bitflags v2.11.0
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling rustls v0.22.4
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking webpki-roots v1.0.6
[INFO] [stderr]     Checking tower-layer v0.3.3
[INFO] [stderr]     Checking ipnet v2.12.0
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]     Checking data-encoding v2.10.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking unicase v2.9.0
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling time-core v0.1.8
[INFO] [stderr]     Checking mime v0.3.17
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling num-conv v0.2.0
[INFO] [stderr]     Checking iri-string v0.7.10
[INFO] [stderr]     Checking webpki-roots v0.26.11
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking iana-time-zone v0.1.65
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling cmake v0.1.57
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking errno v0.3.14
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]     Checking socket2 v0.6.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.8
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking rand_core v0.9.5
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking simd-adler32 v0.3.8
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking rand_core v0.10.0
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking primal-check v0.3.4
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking bytemuck v1.25.0
[INFO] [stderr]     Checking transpose v0.2.3
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking no-std-net v0.6.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling serenity v0.12.5
[INFO] [stderr]    Compiling audiopus_sys v0.2.2
[INFO] [stderr]     Checking pnet_base v0.34.0
[INFO] [stderr]     Checking polyval v0.6.2
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]     Checking ordered-float v2.10.1
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]     Checking typemap_rev v0.3.0
[INFO] [stderr]     Checking stable-vec v0.4.2
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking ghash v0.5.1
[INFO] [stderr]     Checking pnet_macros_support v0.34.0
[INFO] [stderr]     Checking rustfft v6.4.1
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]     Checking deranged v0.5.8
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking chacha20 v0.9.1
[INFO] [stderr]     Checking poly1305 v0.8.0
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking patricia_tree v0.8.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]     Checking cpufeatures v0.3.0
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]    Compiling songbird v0.5.0
[INFO] [stderr]     Checking winnow v0.7.15
[INFO] [stderr]     Checking flume v0.11.1
[INFO] [stderr]    Compiling darling_core v0.10.2
[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/50f413885985a8b0a0b6ca0766a0aedd45304953/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"' --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=181e8fee35d0a8c0 -C extra-filename=-2b6a57c2b48a6d73 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-774d2fb1b129607b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-e79a3b083d919da9.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-af4dab7b77cddc19.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" "0b89b0a33accadbe39b03ff824d44fccf55e3d0824c1dc0728bee1ddd0523abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b89b0a33accadbe39b03ff824d44fccf55e3d0824c1dc0728bee1ddd0523abb", kill_on_drop: false }`
[INFO] [stdout] 0b89b0a33accadbe39b03ff824d44fccf55e3d0824c1dc0728bee1ddd0523abb
