[INFO] fetching crate bard-rs 1.2.2...
[INFO] testing bard-rs-1.2.2 against beta-2023-10-04 for beta-1.74-1
[INFO] extracting crate bard-rs 1.2.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate bard-rs 1.2.2 on toolchain beta-2023-10-04
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-10-04" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bard-rs 1.2.2
[INFO] finished tweaking crates.io crate bard-rs 1.2.2
[INFO] tweaked toml for crates.io crate bard-rs 1.2.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate bard-rs 1.2.2 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" "+beta-2023-10-04" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-10-04" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 014795fb33aa3a6d0ff83ed0f4926600dda33c3e41d7b344e70dfafdd8d78d3a
[INFO] running `Command { std: "docker" "start" "-a" "014795fb33aa3a6d0ff83ed0f4926600dda33c3e41d7b344e70dfafdd8d78d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "014795fb33aa3a6d0ff83ed0f4926600dda33c3e41d7b344e70dfafdd8d78d3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "014795fb33aa3a6d0ff83ed0f4926600dda33c3e41d7b344e70dfafdd8d78d3a", kill_on_drop: false }`
[INFO] [stdout] 014795fb33aa3a6d0ff83ed0f4926600dda33c3e41d7b344e70dfafdd8d78d3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-10-04" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa04491547b59555cf57af53b441926f2e39b4a665dde8c77d4ca87ffadfdb4d
[INFO] running `Command { std: "docker" "start" "-a" "fa04491547b59555cf57af53b441926f2e39b4a665dde8c77d4ca87ffadfdb4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling pin-project-lite v0.2.10
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling smallvec v1.11.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling tinyvec_macros v0.1.1
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling tracing-core v0.1.31
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling tokio v1.29.1
[INFO] [stderr]    Compiling slab v0.4.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling unicode-bidi v0.3.13
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling http v0.2.9
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling openssl-src v111.26.0+1.1.1u
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.3
[INFO] [stderr]    Compiling openssl v0.10.55
[INFO] [stderr]    Compiling bitflags v2.3.3
[INFO] [stderr]    Compiling serde v1.0.175
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling percent-encoding v2.3.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling rustls v0.21.5
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling try-lock v0.2.4
[INFO] [stderr]    Compiling time-core v0.1.1
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.175
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling time-macros v0.2.10
[INFO] [stderr]    Compiling want v0.3.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.0
[INFO] [stderr]    Compiling cookie v0.16.2
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling openssl-sys v0.9.90
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling http-body v0.4.5
[INFO] [stderr]    Compiling serde_json v1.0.103
[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling matches v0.1.10
[INFO] [stderr]    Compiling base64 v0.21.2
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling idna v0.4.0
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling psl-types v2.0.11
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling url v2.4.0
[INFO] [stderr]    Compiling publicsuffix v2.2.3
[INFO] [stderr]    Compiling rustls-pemfile v1.0.3
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling mime v0.3.17
[INFO] [stderr]    Compiling time v0.3.23
[INFO] [stderr]    Compiling is-terminal v0.4.9
[INFO] [stderr]    Compiling rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling encoding_rs v0.8.32
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling anstyle v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling portable-atomic v1.4.1
[INFO] [stderr]    Compiling ipnet v2.8.0
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling anstream v0.3.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling aho-corasick v1.0.2
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling clap_lex v0.5.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling clap_builder v4.3.19
[INFO] [stderr]    Compiling nix v0.26.2
[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-2023-10-04-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/syn-2.0.27/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-mut"' -C metadata=6cc2ad718791bdc4 -C extra-filename=-6cc2ad718791bdc4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4ea27e7ac4e91ce0.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-2e40aed408a0832e.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-7d069a86bc2c3df6.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" "fa04491547b59555cf57af53b441926f2e39b4a665dde8c77d4ca87ffadfdb4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa04491547b59555cf57af53b441926f2e39b4a665dde8c77d4ca87ffadfdb4d", kill_on_drop: false }`
[INFO] [stdout] fa04491547b59555cf57af53b441926f2e39b4a665dde8c77d4ca87ffadfdb4d