[INFO] fetching crate mdbook-jupyter 0.1.1...
[INFO] testing mdbook-jupyter-0.1.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate mdbook-jupyter 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate mdbook-jupyter 0.1.1
[INFO] finished tweaking crates.io crate mdbook-jupyter 0.1.1
[INFO] tweaked toml for crates.io crate mdbook-jupyter 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mdbook-jupyter 0.1.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mdbook-jupyter 0.1.1 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pulldown-cmark-escape v0.10.1
[INFO] [stderr]   Downloaded notify-types v2.0.0
[INFO] [stderr]   Downloaded notify-debouncer-mini v0.6.0
[INFO] [stderr]   Downloaded markup5ever v0.35.0
[INFO] [stderr]   Downloaded match_token v0.35.0
[INFO] [stderr]   Downloaded terminal_size v0.4.3
[INFO] [stderr]   Downloaded pest_generator v2.8.4
[INFO] [stderr]   Downloaded web_atoms v0.1.3
[INFO] [stderr]   Downloaded clap_complete v4.5.61
[INFO] [stderr]   Downloaded cssparser v0.35.0
[INFO] [stderr]   Downloaded html5ever v0.35.0
[INFO] [stderr]   Downloaded hyper-util v0.1.18
[INFO] [stderr]   Downloaded pest v2.8.4
[INFO] [stderr]   Downloaded tower-http v0.6.7
[INFO] [stderr]   Downloaded handlebars v6.3.2
[INFO] [stderr]   Downloaded elasticlunr-rs v3.0.2
[INFO] [stderr]   Downloaded jiff-static v0.2.16
[INFO] [stderr]   Downloaded pulldown-cmark v0.10.3
[INFO] [stderr]   Downloaded ammonia v4.1.2
[INFO] [stderr]   Downloaded pest_meta v2.8.4
[INFO] [stderr]   Downloaded pest_derive v2.8.4
[INFO] [stderr]   Downloaded num-modular v0.6.1
[INFO] [stderr]   Downloaded num-order v1.2.0
[INFO] [stderr]   Downloaded inotify v0.11.0
[INFO] [stderr]   Downloaded opener v0.8.3
[INFO] [stderr]   Downloaded jiff v0.2.16
[INFO] [stderr]   Downloaded mdbook v0.4.52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1877b61fb89d1563d7da3d3ff30650fd3fc716474f7127d8412ed82439063140
[INFO] running `Command { std: "docker" "start" "-a" "1877b61fb89d1563d7da3d3ff30650fd3fc716474f7127d8412ed82439063140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1877b61fb89d1563d7da3d3ff30650fd3fc716474f7127d8412ed82439063140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1877b61fb89d1563d7da3d3ff30650fd3fc716474f7127d8412ed82439063140", kill_on_drop: false }`
[INFO] [stdout] 1877b61fb89d1563d7da3d3ff30650fd3fc716474f7127d8412ed82439063140
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f43b195420a10c427b3682fe76d499eaf43bab8982cb91127ad8a5ce8fd3ca3b
[INFO] running `Command { std: "docker" "start" "-a" "f43b195420a10c427b3682fe76d499eaf43bab8982cb91127ad8a5ce8fd3ca3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling bytes v1.11.0
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling writeable v0.6.2
[INFO] [stderr]    Compiling litemap v0.8.1
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling zerocopy v0.8.30
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling icu_properties_data v2.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling tracing-core v0.1.35
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling mac v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling futf v0.1.5
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling string_cache_codegen v0.5.4
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling tower-layer v0.3.3
[INFO] [stderr]    Compiling tracing v0.1.43
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling http v1.4.0
[INFO] [stderr]    Compiling pest v2.8.4
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling tendril v0.4.3
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling dtoa v1.0.10
[INFO] [stderr]    Compiling data-encoding v2.9.0
[INFO] [stderr]    Compiling atomic-waker v1.1.2
[INFO] [stderr]    Compiling sync_wrapper v1.0.2
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling dtoa-short v0.3.5
[INFO] [stderr]    Compiling num-modular v0.6.1
[INFO] [stderr]    Compiling pulldown-cmark v0.10.3
[INFO] [stderr]    Compiling notify-types v2.0.0
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling web_atoms v0.1.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling matchit v0.8.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling mio v1.1.0
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling http-body v1.0.1
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling http-body-util v0.1.3
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling num-order v1.2.0
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling inotify v0.11.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling pulldown-cmark-escape v0.10.1
[INFO] [stderr]    Compiling http-range-header v0.4.2
[INFO] [stderr]    Compiling jiff v0.2.16
[INFO] [stderr]    Compiling iana-time-zone v0.1.64
[INFO] [stderr]    Compiling axum-core v0.5.5
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling notify v8.2.0
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling pest_meta v2.8.4
[INFO] [stderr]    Compiling topological-sort v0.2.2
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling terminal_size v0.4.3
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling clap_builder v4.5.53
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling darling_core v0.20.11
[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/562dee4820c458d823175268e41601d4c060588a/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.111/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"' --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=8ef2d010c0ba03f7 -C extra-filename=-0cebe3886d28ec1e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-43e32a25692bf44a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-01cdf4ac6a2aaf5b.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-9533002ac35f5809.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" "f43b195420a10c427b3682fe76d499eaf43bab8982cb91127ad8a5ce8fd3ca3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f43b195420a10c427b3682fe76d499eaf43bab8982cb91127ad8a5ce8fd3ca3b", kill_on_drop: false }`
[INFO] [stdout] f43b195420a10c427b3682fe76d499eaf43bab8982cb91127ad8a5ce8fd3ca3b