[INFO] cloning repository https://github.com/BlaineHeffron/paper-search-mcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BlaineHeffron/paper-search-mcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlaineHeffron%2Fpaper-search-mcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlaineHeffron%2Fpaper-search-mcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad616391f938d8806ff7d90d148114d1ab57081b
[INFO] checking BlaineHeffron/paper-search-mcp against try#0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef for pr-147859
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBlaineHeffron%2Fpaper-search-mcp" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/BlaineHeffron/paper-search-mcp
[INFO] finished tweaking git repo https://github.com/BlaineHeffron/paper-search-mcp
[INFO] tweaked toml for git repo https://github.com/BlaineHeffron/paper-search-mcp written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/BlaineHeffron/paper-search-mcp on toolchain 0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/BlaineHeffron/paper-search-mcp 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" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a6252ec26a389fae8fa5a4ca01380e2caf783502a95c6e797b06094fca27161
[INFO] running `Command { std: "docker" "start" "-a" "5a6252ec26a389fae8fa5a4ca01380e2caf783502a95c6e797b06094fca27161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a6252ec26a389fae8fa5a4ca01380e2caf783502a95c6e797b06094fca27161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a6252ec26a389fae8fa5a4ca01380e2caf783502a95c6e797b06094fca27161", kill_on_drop: false }`
[INFO] [stdout] 5a6252ec26a389fae8fa5a4ca01380e2caf783502a95c6e797b06094fca27161
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1037ece04c4fb19911a6f4646b22c4319e03c46b79df6b8edb0421a53525ec4b
[INFO] running `Command { std: "docker" "start" "-a" "1037ece04c4fb19911a6f4646b22c4319e03c46b79df6b8edb0421a53525ec4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking siphasher v1.0.2
[INFO] [stderr]     Checking zmij v1.0.20
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling chrono-tz v0.10.4
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking mio v1.1.1
[INFO] [stderr]    Compiling zstd-sys v2.0.16+zstd.1.5.7
[INFO] [stderr]     Checking lexical-util v1.0.7
[INFO] [stderr]     Checking ryu v1.0.23
[INFO] [stderr]    Compiling zstd-safe v7.2.4
[INFO] [stderr]     Checking http v1.4.0
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking comfy-table v7.2.2
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling flatbuffers v25.12.19
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]     Checking simdutf8 v0.1.5
[INFO] [stderr]     Checking humantime v2.3.0
[INFO] [stderr]     Checking datafusion-doc v51.0.0
[INFO] [stderr]     Checking phf_shared v0.12.1
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking phf v0.12.1
[INFO] [stderr]     Checking uuid v1.20.0
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]     Checking fixedbitset v0.5.7
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking petgraph v0.8.3
[INFO] [stderr]     Checking lexical-write-integer v1.0.6
[INFO] [stderr]     Checking lexical-parse-integer v1.0.6
[INFO] [stderr]    Compiling blake3 v1.8.3
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking lexical-parse-float v1.0.6
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking constant_time_eq v0.4.2
[INFO] [stderr]     Checking lexical-write-float v1.0.6
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking arrow-schema v57.3.0
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking md-5 v0.10.6
[INFO] [stderr]     Checking lexical-core v1.0.6
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling heapless v0.8.0
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]    Compiling bigdecimal v0.4.10
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]    Compiling toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]     Checking rstar v0.12.2
[INFO] [stderr]    Compiling toml_edit v0.23.10+spec-1.0.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking http-body v1.0.1
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking tempfile v3.24.0
[INFO] [stderr]     Checking ordered-float v5.1.0
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]     Checking fast-float2 v0.2.3
[INFO] [stderr]    Compiling portable-atomic v1.13.1
[INFO] [stderr]    Compiling multimap v0.10.1
[INFO] [stderr]     Checking ethnum v1.5.2
[INFO] [stderr]     Checking jiff v0.2.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]    Compiling proc-macro-crate v3.4.0
[INFO] [stderr]     Checking simd-adler32 v0.3.8
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking async-lock v3.4.2
[INFO] [stderr]     Checking ownedbytes v0.9.0
[INFO] [stderr]    Compiling rustls v0.23.36
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking tagptr v0.2.0
[INFO] [stderr]     Checking bytemuck v1.25.0
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking rustls-webpki v0.103.9
[INFO] [stderr]     Checking roaring v0.10.12
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking compression-core v0.4.31
[INFO] [stderr]     Checking mock_instant v0.6.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking geo-types v0.7.18
[INFO] [stderr]    Compiling unicase v2.9.0
[INFO] [stderr]     Checking compression-codecs v0.4.36
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling darling_core v0.23.0
[INFO] [stderr]     Checking geo-traits v0.3.0
[INFO] [stderr]     Checking bitpacking v0.9.3
[INFO] [stderr]     Checking http-body-util v0.1.3
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking openssl-probe v0.2.1
[INFO] [stderr]    Compiling rstest_macros v0.26.1
[INFO] [stderr]     Checking rustls-native-certs v0.8.3
[INFO] [stderr] error: could not compile `regex-automata` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef/bin/rustc --crate-name regex_automata --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-automata-0.4.14/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 --allow=unexpected_cfgs --check-cfg 'cfg(docsrs_regex)' --cfg 'feature="alloc"' --cfg 'feature="dfa-onepass"' --cfg 'feature="hybrid"' --cfg 'feature="meta"' --cfg 'feature="nfa-backtrack"' --cfg 'feature="nfa-pikevm"' --cfg 'feature="nfa-thompson"' --cfg 'feature="perf-inline"' --cfg 'feature="perf-literal"' --cfg 'feature="perf-literal-multisubstring"' --cfg 'feature="perf-literal-substring"' --cfg 'feature="std"' --cfg 'feature="syntax"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --cfg 'feature="unicode-word-boundary"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "dfa", "dfa-build", "dfa-onepass", "dfa-search", "hybrid", "internal-instrument", "internal-instrument-pikevm", "logging", "meta", "nfa", "nfa-backtrack", "nfa-pikevm", "nfa-thompson", "perf", "perf-inline", "perf-literal", "perf-literal-multisubstring", "perf-literal-substring", "std", "syntax", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment", "unicode-word-boundary"))' -C metadata=31c1061189e9a4c7 -C extra-filename=-ed4d8891c9a94fcb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern aho_corasick=/opt/rustwide/target/debug/deps/libaho_corasick-90b6c7dd30819dd8.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-ab0a0affe7ea740d.rmeta --extern regex_syntax=/opt/rustwide/target/debug/deps/libregex_syntax-3c139c9abef78377.rmeta --cap-lints allow --cap-lints=forbid` (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/0269aeccce4fd29ce9ad0ebd47a62e584d7e25ef/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.114/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=33e611a759ff1bc7 -C extra-filename=-d8864bc1138b3794 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-183f829d39b9e7b0.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-923d3c87caf631c6.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-da5762ff2c56da29.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "1037ece04c4fb19911a6f4646b22c4319e03c46b79df6b8edb0421a53525ec4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1037ece04c4fb19911a6f4646b22c4319e03c46b79df6b8edb0421a53525ec4b", kill_on_drop: false }`
[INFO] [stdout] 1037ece04c4fb19911a6f4646b22c4319e03c46b79df6b8edb0421a53525ec4b
