[INFO] fetching crate pagetop-mdbook 0.0.21...
[INFO] testing pagetop-mdbook-0.0.21 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate pagetop-mdbook 0.0.21 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate pagetop-mdbook 0.0.21
[INFO] finished tweaking crates.io crate pagetop-mdbook 0.0.21
[INFO] tweaked toml for crates.io crate pagetop-mdbook 0.0.21 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pagetop-mdbook 0.0.21 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 328 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b59f2220b47ce97d23cabb0b87742d220c74ca2b303955066b53000366d1c477
[INFO] running `Command { std: "docker" "start" "-a" "b59f2220b47ce97d23cabb0b87742d220c74ca2b303955066b53000366d1c477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b59f2220b47ce97d23cabb0b87742d220c74ca2b303955066b53000366d1c477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b59f2220b47ce97d23cabb0b87742d220c74ca2b303955066b53000366d1c477", kill_on_drop: false }`
[INFO] [stdout] b59f2220b47ce97d23cabb0b87742d220c74ca2b303955066b53000366d1c477
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 675ab4f70ab5329b24bab4bc19024389b89675cac61e9163a73e8d7a574001f7
[INFO] running `Command { std: "docker" "start" "-a" "675ab4f70ab5329b24bab4bc19024389b89675cac61e9163a73e8d7a574001f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling subtle v2.6.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling tracing-core v0.1.34
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling path-slash v0.1.5
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.5
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling path-matchers v1.0.2
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling change-detection v1.2.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling opaque-debug v0.3.1
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling polyval v0.6.2
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling ghash v0.5.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling clap_builder v4.5.40
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling brotli-decompressor v5.0.0
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling static-files v0.2.5
[INFO] [stderr]    Compiling ctr v0.9.2
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling aead v0.5.2
[INFO] [stderr]    Compiling cookie v0.16.2
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling codemap v0.1.3
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling actix-router v0.5.3
[INFO] [stderr]    Compiling aes-gcm v0.10.3
[INFO] [stderr]    Compiling lasso v0.7.3
[INFO] [stderr]    Compiling brotli v8.0.1
[INFO] [stderr]    Compiling hkdf v0.12.4
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling sha1 v0.10.6
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling base64 v0.20.0
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling impl-more v0.1.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling rustc-hash v2.1.1
[INFO] [stderr]    Compiling syn v1.0.109
[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/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.104/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 -C debuginfo=2 --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=a36ad7b07b20c668 -C extra-filename=-c3decd220a5cbe57 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-795b2b19042097af.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-67d79357fbc357df.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-00291e71c3df335a.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "675ab4f70ab5329b24bab4bc19024389b89675cac61e9163a73e8d7a574001f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "675ab4f70ab5329b24bab4bc19024389b89675cac61e9163a73e8d7a574001f7", kill_on_drop: false }`
[INFO] [stdout] 675ab4f70ab5329b24bab4bc19024389b89675cac61e9163a73e8d7a574001f7