[INFO] fetching crate mq-repl 0.9.3...
[INFO] testing mq-repl-0.9.3 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate mq-repl 0.9.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate mq-repl 0.9.3
[INFO] finished tweaking crates.io crate mq-repl 0.9.3
[INFO] tweaked toml for crates.io crate mq-repl 0.9.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mq-repl 0.9.3 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mq-repl 0.9.3 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clipboard-win v5.4.1
[INFO] [stderr]   Downloaded endian-type v0.2.0
[INFO] [stderr]   Downloaded nibble_vec v0.1.0
[INFO] [stderr]   Downloaded error-code v3.4.0
[INFO] [stderr]   Downloaded cssparser-macros v0.7.1
[INFO] [stderr]   Downloaded mq-macros v0.9.3
[INFO] [stderr]   Downloaded libredox v0.1.24
[INFO] [stderr]   Downloaded md5 v0.8.1
[INFO] [stderr]   Downloaded futures-timer v3.0.4
[INFO] [stderr]   Downloaded scraper v0.27.0
[INFO] [stderr]   Downloaded ego-tree v0.11.0
[INFO] [stderr]   Downloaded unicode-id v0.3.6
[INFO] [stderr]   Downloaded string-interner v0.20.0
[INFO] [stderr]   Downloaded html-escape v0.2.15
[INFO] [stderr]   Downloaded maplit v1.0.2
[INFO] [stderr]   Downloaded string_cache_codegen v0.11.2
[INFO] [stderr]   Downloaded caseless v0.2.2
[INFO] [stderr]   Downloaded cssparser v0.37.0
[INFO] [stderr]   Downloaded markup5ever v0.40.0
[INFO] [stderr]   Downloaded web_atoms v0.3.0
[INFO] [stderr]   Downloaded phf_generator v0.14.0
[INFO] [stderr]   Downloaded string_cache v0.11.0
[INFO] [stderr]   Downloaded phf_codegen v0.14.0
[INFO] [stderr]   Downloaded phf v0.14.0
[INFO] [stderr]   Downloaded rstest v0.27.0
[INFO] [stderr]   Downloaded rstest_macros v0.27.0
[INFO] [stderr]   Downloaded selectors v0.38.0
[INFO] [stderr]   Downloaded phf_shared v0.14.0
[INFO] [stderr]   Downloaded objc2-io-surface v0.3.2
[INFO] [stderr]   Downloaded yaml-rust2 v0.13.0
[INFO] [stderr]   Downloaded ammonia v4.2.0
[INFO] [stderr]   Downloaded cssparser v0.38.0
[INFO] [stderr]   Downloaded mq-help v0.9.3
[INFO] [stderr]   Downloaded arboard v3.6.1
[INFO] [stderr]   Downloaded radix_trie v0.3.0
[INFO] [stderr]   Downloaded html5ever v0.40.1
[INFO] [stderr]   Downloaded toon-format v0.5.0
[INFO] [stderr]   Downloaded rustyline v18.0.1
[INFO] [stderr]   Downloaded objc2-core-graphics v0.3.2
[INFO] [stderr]   Downloaded markdown v1.0.0
[INFO] [stderr]   Downloaded quick-xml v0.42.0
[INFO] [stderr]   Downloaded mq-hir v0.9.3
[INFO] [stderr]   Downloaded mq-markdown v0.9.3
[INFO] [stderr]   Downloaded mq-lang v0.9.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7ce267754c8b76f20090ddcd5513a007251c4cfcbfc773bab6ef6fea8bc7de52
[INFO] running `Command { std: "docker" "start" "7ce267754c8b76f20090ddcd5513a007251c4cfcbfc773bab6ef6fea8bc7de52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ce267754c8b76f20090ddcd5513a007251c4cfcbfc773bab6ef6fea8bc7de52", 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" "7ce267754c8b76f20090ddcd5513a007251c4cfcbfc773bab6ef6fea8bc7de52" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ce267754c8b76f20090ddcd5513a007251c4cfcbfc773bab6ef6fea8bc7de52", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7ce267754c8b76f20090ddcd5513a007251c4cfcbfc773bab6ef6fea8bc7de52" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling libc v0.2.190
[INFO] [stderr]    Compiling syn v3.0.6
[INFO] [stderr]    Compiling siphasher v1.0.3
[INFO] [stderr]    Compiling fastrand v2.5.0
[INFO] [stderr]    Compiling smallvec v1.16.2
[INFO] [stderr]    Compiling stable_deref_trait v1.2.1
[INFO] [stderr]    Compiling serde_core v1.0.229
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling cc v1.4.6
[INFO] [stderr]    Compiling dtoa v1.0.11
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.23
[INFO] [stderr]    Compiling rustls-pki-types v1.15.1
[INFO] [stderr]    Compiling tendril v0.5.1
[INFO] [stderr]    Compiling aho-corasick v1.1.5
[INFO] [stderr]    Compiling httparse v1.10.1
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]    Compiling phf_shared v0.14.0
[INFO] [stderr]    Compiling dtoa-short v0.3.5
[INFO] [stderr]    Compiling crc32fast v1.5.2
[INFO] [stderr]    Compiling serde_json v1.0.151
[INFO] [stderr]    Compiling regex-syntax v0.8.11
[INFO] [stderr]    Compiling phf_generator v0.14.0
[INFO] [stderr]    Compiling phf v0.14.0
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]    Compiling phf_codegen v0.14.0
[INFO] [stderr]    Compiling string_cache_codegen v0.11.2
[INFO] [stderr]    Compiling servo_arc v0.4.3
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling phf_codegen v0.13.1
[INFO] [stderr]    Compiling string_cache_codegen v0.6.1
[INFO] [stderr]    Compiling rustc-hash v2.1.3
[INFO] [stderr]    Compiling selectors v0.38.0
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling rustls v0.23.45
[INFO] [stderr]    Compiling simd-adler32 v0.3.10
[INFO] [stderr]    Compiling web_atoms v0.3.0
[INFO] [stderr]    Compiling http v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.9.1
[INFO] [stderr]    Compiling web_atoms v0.2.6
[INFO] [stderr]    Compiling indexmap v2.14.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.21
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling hashlink v0.12.2
[INFO] [stderr]    Compiling getopts v0.2.24
[INFO] [stderr]    Compiling bstr v1.13.1
[INFO] [stderr]    Compiling base64 v0.23.1
[INFO] [stderr]    Compiling ego-tree v0.11.0
[INFO] [stderr]    Compiling cfg_aliases v0.2.2
[INFO] [stderr]    Compiling unicode-id v0.3.6
[INFO] [stderr]    Compiling arraydeque v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling regex-automata v0.4.18
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling const-oid v0.10.2
[INFO] [stderr]    Compiling yaml-rust2 v0.13.0
[INFO] [stderr]    Compiling markdown v1.0.0
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.25
[INFO] [stderr]    Compiling string_cache v0.9.0
[INFO] [stderr]    Compiling string_cache v0.11.0
[INFO] [stderr]    Compiling digest v0.11.3
[INFO] [stderr]    Compiling smol_str v0.3.6
[INFO] [stderr]    Compiling toml_datetime v1.1.1+spec-1.1.0
[INFO] [stderr]    Compiling serde_spanned v1.1.1
[INFO] [stderr]    Compiling nix v0.31.3
[INFO] [stderr]    Compiling ureq-proto v0.6.3
[INFO] [stderr]    Compiling itertools v0.15.0
[INFO] [stderr]    Compiling flate2 v1.1.10
[INFO] [stderr]    Compiling crossbeam-deque v0.8.8
[INFO] [stderr]    Compiling chacha20 v0.10.2
[INFO] [stderr]    Compiling markup5ever v0.40.0
[INFO] [stderr]    Compiling cssparser v0.38.0
[INFO] [stderr]    Compiling html5ever v0.40.1
[INFO] [stderr]    Compiling webpki-roots v1.0.9
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling hashbrown v0.16.1
[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/1.99.0-beta.8-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.119/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 debug-assertions=off --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"' --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=33b3a551c6161d03 -C extra-filename=-7a4238bc76d4b0b9 --out-dir /opt/rustwide/target/release/deps -C strip=debuginfo -L dependency=/opt/rustwide/target/release/deps --extern proc_macro2=/opt/rustwide/target/release/deps/libproc_macro2-58bd5a67493b0c92.rmeta --extern quote=/opt/rustwide/target/release/deps/libquote-bb159eae73371f0d.rmeta --extern unicode_ident=/opt/rustwide/target/release/deps/libunicode_ident-3d1450b03eaa80c7.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7ce267754c8b76f20090ddcd5513a007251c4cfcbfc773bab6ef6fea8bc7de52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ce267754c8b76f20090ddcd5513a007251c4cfcbfc773bab6ef6fea8bc7de52", kill_on_drop: false }`
[INFO] [stdout] 7ce267754c8b76f20090ddcd5513a007251c4cfcbfc773bab6ef6fea8bc7de52