[INFO] fetching crate xvc 0.6.2...
[INFO] checking xvc-0.6.2 against try#ebb118907fa893a392c699ddf120848fa0a8d6c2 for pr-116930
[INFO] extracting crate xvc 0.6.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate xvc 0.6.2 on toolchain ebb118907fa893a392c699ddf120848fa0a8d6c2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebb118907fa893a392c699ddf120848fa0a8d6c2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xvc 0.6.2
[INFO] finished tweaking crates.io crate xvc 0.6.2
[INFO] tweaked toml for crates.io crate xvc 0.6.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate xvc 0.6.2 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" "+ebb118907fa893a392c699ddf120848fa0a8d6c2" "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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+ebb118907fa893a392c699ddf120848fa0a8d6c2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b15894b0ec24b20b7c77a81b57ba64fcd70a67ca063060e138d1212739f0bc40
[INFO] running `Command { std: "docker" "start" "-a" "b15894b0ec24b20b7c77a81b57ba64fcd70a67ca063060e138d1212739f0bc40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b15894b0ec24b20b7c77a81b57ba64fcd70a67ca063060e138d1212739f0bc40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b15894b0ec24b20b7c77a81b57ba64fcd70a67ca063060e138d1212739f0bc40", kill_on_drop: false }`
[INFO] [stdout] b15894b0ec24b20b7c77a81b57ba64fcd70a67ca063060e138d1212739f0bc40
[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@sha256:023092b8bfa974c7f3e45c5ce651cc8dd3afd5e76915d5995b8dacd3032bf956" "/opt/rustwide/cargo-home/bin/cargo" "+ebb118907fa893a392c699ddf120848fa0a8d6c2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bfa6e485c528a2fa6ba48ebe6ceccaa57b54bac36f7377aff0d3627aeec3e97
[INFO] running `Command { std: "docker" "start" "-a" "9bfa6e485c528a2fa6ba48ebe6ceccaa57b54bac36f7377aff0d3627aeec3e97", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling rustix v0.38.13
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling libm v0.2.7
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.8
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]     Checking aho-corasick v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking flate2 v1.0.27
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking crossbeam v0.8.2
[INFO] [stderr]     Checking fastrand v2.0.0
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking dlv-list v0.3.0
[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking winnow v0.5.15
[INFO] [stderr]     Checking anstream v0.5.0
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling time-macros v0.2.14
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking rxml_validation v0.9.1
[INFO] [stderr]    Compiling async-trait v0.1.73
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking unsafe-libyaml v0.2.9
[INFO] [stderr]     Checking rxml v0.9.1
[INFO] [stderr]     Checking sha2 v0.10.7
[INFO] [stderr]     Checking clap_builder v4.4.4
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking path-dedot v3.1.1
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking rmp v0.8.12
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking cached_proc_macro_types v0.1.0
[INFO] [stderr]     Checking constant_time_eq v0.3.0
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]     Checking rayon-core v1.11.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking filetime v0.2.22
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking directories-next v2.0.0
[INFO] [stderr]     Checking notify v6.1.1
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking sled v0.34.7
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking tempfile v3.8.0
[INFO] [stderr]     Checking indexmap v1.9.3
[INFO] [stderr]     Checking colored v1.9.4
[INFO] [stderr]     Checking ordered-multimap v0.4.3
[INFO] [stderr]     Checking minidom v0.15.2
[INFO] [stderr]     Checking fern v0.6.2
[INFO] [stderr]     Checking path-absolutize v3.1.1
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking rust-ini v0.18.0
[INFO] [stderr]     Checking xvc-logging v0.6.1
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking home v0.5.5
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking which v4.4.2
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking subprocess v0.2.9
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]    Compiling blake3 v1.4.1
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking crossterm v0.26.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking reflink v0.1.3
[INFO] [stderr]     Checking parse-size v1.0.0
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking petgraph v0.6.4
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking fs_extra v1.3.0
[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/ebb118907fa893a392c699ddf120848fa0a8d6c2/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.37/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="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' --cfg 'feature="visit"' --cfg 'feature="visit-mut"' -C metadata=da3e905ef93293d9 -C extra-filename=-da3e905ef93293d9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-d5e10ff7bab057c4.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-ecb9810fc901132a.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-62f822500da935ba.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" "9bfa6e485c528a2fa6ba48ebe6ceccaa57b54bac36f7377aff0d3627aeec3e97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bfa6e485c528a2fa6ba48ebe6ceccaa57b54bac36f7377aff0d3627aeec3e97", kill_on_drop: false }`
[INFO] [stdout] 9bfa6e485c528a2fa6ba48ebe6ceccaa57b54bac36f7377aff0d3627aeec3e97