[INFO] fetching crate megra_rs 0.0.18...
[INFO] checking megra_rs-0.0.18 against try#83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1 for pr-134021
[INFO] extracting crate megra_rs 0.0.18 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate megra_rs 0.0.18
[INFO] finished tweaking crates.io crate megra_rs 0.0.18
[INFO] tweaked toml for crates.io crate megra_rs 0.0.18 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate megra_rs 0.0.18 on toolchain 83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate megra_rs 0.0.18 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" "+83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 91dd8d841ee131f46b4e9d2eb9bbac2820b211504a81776697ac3e490b059047
[INFO] running `Command { std: "docker" "start" "91dd8d841ee131f46b4e9d2eb9bbac2820b211504a81776697ac3e490b059047", 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" "91dd8d841ee131f46b4e9d2eb9bbac2820b211504a81776697ac3e490b059047" "/opt/rustwide/cargo-home/bin/cargo" "+83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91dd8d841ee131f46b4e9d2eb9bbac2820b211504a81776697ac3e490b059047", 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" "91dd8d841ee131f46b4e9d2eb9bbac2820b211504a81776697ac3e490b059047" "/opt/rustwide/cargo-home/bin/cargo" "+83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking slab v0.4.10
[INFO] [stderr]    Compiling winnow v0.7.11
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]     Checking libloading v0.8.8
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]    Compiling wayland-sys v0.31.6
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]    Compiling wayland-client v0.31.10
[INFO] [stderr]     Checking event-listener v5.4.0
[INFO] [stderr]    Compiling wayland-scanner v0.31.6
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling endi v1.1.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking dlib v0.5.2
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking ttf-parser v0.25.1
[INFO] [stderr]     Checking futures-lite v2.6.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking piper v0.2.4
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking ordered-stream v0.2.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking ab_glyph_rasterizer v0.1.9
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking async-broadcast v0.7.2
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]    Compiling smithay-client-toolkit v0.19.2
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking immutable-chunkmap v2.0.6
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]    Compiling winit v0.30.11
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling openssl v0.10.73
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling glutin_egl_sys v0.7.1
[INFO] [stderr]    Compiling jack-sys v0.5.1
[INFO] [stderr]    Compiling glutin_glx_sys v0.6.1
[INFO] [stderr]     Checking profiling v1.0.17
[INFO] [stderr]     Checking epaint_default_fonts v0.31.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking dpi v0.1.2
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking primal-check v0.3.4
[INFO] [stderr]     Checking transpose v0.2.3
[INFO] [stderr]    Compiling glutin v0.32.3
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]     Checking rustfft v6.4.0
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]     Checking async-executor v1.13.2
[INFO] [stderr]     Checking async-fs v2.1.2
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]    Compiling glutin-winit v0.5.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking libloading v0.7.4
[INFO] [stderr]     Checking base64ct v1.8.0
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking xdg-home v1.3.0
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking memmap2 v0.9.5
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking x11-dl v2.21.0
[INFO] [stderr]     Checking alsa-sys v0.3.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]    Compiling jack v0.11.4
[INFO] [stderr]     Checking siphasher v1.0.1
[INFO] [stderr]     Checking deranged v0.4.0
[INFO] [stderr]     Checking password-hash v0.4.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]     Checking phf_shared v0.12.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking parking_lot_core v0.8.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking owned_ttf_parser v0.25.0
[INFO] [stderr]    Compiling litrs v0.4.1
[INFO] [stderr]    Compiling wayland-backend v0.3.10
[INFO] [stderr]    Compiling openssl-sys v0.9.109
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]    Compiling bzip2-sys v0.1.13+1.0.8
[INFO] [stderr]     Checking ab_glyph v0.2.30
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]    Compiling tree-sitter-megra v0.1.0
[INFO] [stderr]    Compiling cpal v0.15.3
[INFO] [stderr]     Checking time-core v0.1.4
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]     Checking web-time v1.1.0
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking tree-sitter-language v0.1.5
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking pbkdf2 v0.11.0
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking phf v0.12.1
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking chfft v0.3.4
[INFO] [stderr]     Checking encoding_rs v0.8.35
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking unicode-width v0.2.1
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking str_indices v0.4.4
[INFO] [stderr]     Checking strum v0.17.1
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]     Checking home v0.5.11
[INFO] [stderr]     Checking streaming-iterator v0.1.9
[INFO] [stderr]     Checking ropey v1.6.1
[INFO] [stderr]     Checking getopts v0.2.23
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]     Checking emojis v0.7.2
[INFO] [stderr]     Checking rosc v0.10.1
[INFO] [stderr]     Checking bzip2 v0.4.4
[INFO] [stderr]    Compiling proc-macro-crate v3.3.0
[INFO] [stderr]     Checking directories-next v2.0.0
[INFO] [stderr]     Checking unicode-properties v0.1.3
[INFO] [stderr]    Compiling zvariant_utils v2.1.0
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking claxon v0.4.3
[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/83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.104/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=de973827722597b6 -C extra-filename=-7ae43d5fbe1eb75d --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" "91dd8d841ee131f46b4e9d2eb9bbac2820b211504a81776697ac3e490b059047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91dd8d841ee131f46b4e9d2eb9bbac2820b211504a81776697ac3e490b059047", kill_on_drop: false }`
[INFO] [stdout] 91dd8d841ee131f46b4e9d2eb9bbac2820b211504a81776697ac3e490b059047
