[INFO] cloning repository https://github.com/biggsco/event-seating-app2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/biggsco/event-seating-app2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbiggsco%2Fevent-seating-app2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbiggsco%2Fevent-seating-app2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0645ad672b7ed8d279855a7a11e864c5bc1adece
[INFO] documenting biggsco/event-seating-app2 against beta-2026-04-21 for beta-1.96-rustdoc-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbiggsco%2Fevent-seating-app2" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
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[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/biggsco/event-seating-app2
[INFO] finished tweaking git repo https://github.com/biggsco/event-seating-app2
[INFO] tweaked toml for git repo https://github.com/biggsco/event-seating-app2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/biggsco/event-seating-app2 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/biggsco/event-seating-app2 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e2f398d76a6a18002ceda666c85d22648b045fd4fcf75a3abd111265bc9d5e8
[INFO] running `Command { std: "docker" "start" "-a" "5e2f398d76a6a18002ceda666c85d22648b045fd4fcf75a3abd111265bc9d5e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e2f398d76a6a18002ceda666c85d22648b045fd4fcf75a3abd111265bc9d5e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e2f398d76a6a18002ceda666c85d22648b045fd4fcf75a3abd111265bc9d5e8", kill_on_drop: false }`
[INFO] [stdout] 5e2f398d76a6a18002ceda666c85d22648b045fd4fcf75a3abd111265bc9d5e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dca0dba59fcd06f8c478c29ef47593437e3525daf62e93899be68350403d4e6c
[INFO] running `Command { std: "docker" "start" "-a" "dca0dba59fcd06f8c478c29ef47593437e3525daf62e93899be68350403d4e6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking allocator-api2 v0.2.21
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[INFO] [stderr]     Checking unty v0.0.4
[INFO] [stderr]     Checking equivalent v1.0.2
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking foldhash v0.1.5
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking simdutf8 v0.1.5
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[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking icu_locid_transform_data v1.5.0
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[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking data-encoding v2.4.0
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking siphasher v0.3.11
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling jobserver v0.1.33
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[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking tap v1.0.1
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[INFO] [stderr]    Compiling cc v1.2.31
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[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking vsimd v0.8.0
[INFO] [stderr]    Compiling bincode_derive v2.0.1 (https://github.com/bgw/bincode.git?branch=bgw%2Fpatches#19f09c5f)
[INFO] [stderr]     Checking if_chain v1.0.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]     Checking unicode-id-start v1.2.0
[INFO] [stderr]     Checking unicode-width v0.2.1
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking cbor4ii v1.2.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking scoped-tls v1.0.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking better_scoped_tls v1.0.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking uuid v1.18.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking base64-simd v0.8.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]     Checking ryu-js v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]    Compiling seq-macro v0.3.6
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking bstr v1.10.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking half v2.4.1
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[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/beta-2026-04-21-x86_64-unknown-linux-gnu/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 opt-level=1 -C embed-bitcode=no -C debug-assertions=on --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-mut"' --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=04a00884c19a009d -C extra-filename=-7046eedaa68440dc --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-9476467ef2acbabf.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-96e4457aab68b439.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-d3158c828ae961ba.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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/beta-2026-04-21-x86_64-unknown-linux-gnu/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 opt-level=1 -C embed-bitcode=no -C debug-assertions=on --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=94840aa58d29dd57 -C extra-filename=-cdfaaf511da8b48f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-9476467ef2acbabf.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-96e4457aab68b439.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-d3158c828ae961ba.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "dca0dba59fcd06f8c478c29ef47593437e3525daf62e93899be68350403d4e6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dca0dba59fcd06f8c478c29ef47593437e3525daf62e93899be68350403d4e6c", kill_on_drop: false }`
[INFO] [stdout] dca0dba59fcd06f8c478c29ef47593437e3525daf62e93899be68350403d4e6c
