[INFO] cloning repository https://github.com/Quantomatic/quizx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Quantomatic/quizx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuantomatic%2Fquizx", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuantomatic%2Fquizx'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8f5117838f1903581472d6d10cf6e15d8315a3dc
[INFO] checking Quantomatic/quizx against try#b66808126f24f2f30898306a881e1676824ea80c for pr-133502-23
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FQuantomatic%2Fquizx" "/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/Quantomatic/quizx
[INFO] finished tweaking git repo https://github.com/Quantomatic/quizx
[INFO] tweaked toml for git repo https://github.com/Quantomatic/quizx written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Quantomatic/quizx on toolchain b66808126f24f2f30898306a881e1676824ea80c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Quantomatic/quizx 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" "+b66808126f24f2f30898306a881e1676824ea80c" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8eeea79a1658da860dd715a4b3ffb6cd14aed5295949329e331182df2215142d
[INFO] running `Command { std: "docker" "start" "8eeea79a1658da860dd715a4b3ffb6cd14aed5295949329e331182df2215142d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8eeea79a1658da860dd715a4b3ffb6cd14aed5295949329e331182df2215142d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8eeea79a1658da860dd715a4b3ffb6cd14aed5295949329e331182df2215142d" "/opt/rustwide/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8eeea79a1658da860dd715a4b3ffb6cd14aed5295949329e331182df2215142d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8eeea79a1658da860dd715a4b3ffb6cd14aed5295949329e331182df2215142d" "/opt/rustwide/cargo-home/bin/cargo" "+b66808126f24f2f30898306a881e1676824ea80c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]     Checking anstyle-query v1.1.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling ena v0.14.3
[INFO] [stderr]     Checking anstream v0.6.19
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling winnow v0.7.12
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]     Checking slab v0.4.10
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]    Compiling rstest_macros v0.23.0
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]    Compiling ref-cast v1.0.24
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking clap_builder v4.5.42
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling relative-path v1.9.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking lalrpop-util v0.19.12
[INFO] [stderr]     Checking rustc-hash v2.1.1
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking jiff v0.2.15
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking roots v0.0.8
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking predicates-core v1.0.9
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking float-cmp v0.10.0
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking termtree v0.5.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling assert_cmd v2.0.17
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking predicates-tree v1.0.12
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]    Compiling target-lexicon v0.13.2
[INFO] [stderr]    Compiling indoc v2.0.6
[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/b66808126f24f2f30898306a881e1676824ea80c/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --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=3c506043e7998d2d -C extra-filename=-f00678069402006f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d8665169c487d19b.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-60c6fa93c90874f2.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-b3925cc8f83e9ac1.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" "8eeea79a1658da860dd715a4b3ffb6cd14aed5295949329e331182df2215142d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eeea79a1658da860dd715a4b3ffb6cd14aed5295949329e331182df2215142d", kill_on_drop: false }`
[INFO] [stdout] 8eeea79a1658da860dd715a4b3ffb6cd14aed5295949329e331182df2215142d