[INFO] fetching crate vmux 0.1.13...
[INFO] testing vmux-0.1.13 against 1.91.0 for beta-1.92-2
[INFO] extracting crate vmux 0.1.13 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate vmux 0.1.13
[INFO] finished tweaking crates.io crate vmux 0.1.13
[INFO] tweaked toml for crates.io crate vmux 0.1.13 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vmux 0.1.13 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vmux 0.1.13 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libredox v0.0.2
[INFO] [stderr]   Downloaded vte_generate_state_changes v0.1.1
[INFO] [stderr]   Downloaded redox_termios v0.1.3
[INFO] [stderr]   Downloaded tuikit v0.5.0
[INFO] [stderr]   Downloaded smallvec v1.12.0
[INFO] [stderr]   Downloaded mini-internal v0.1.36
[INFO] [stderr]   Downloaded redox_users v0.4.4
[INFO] [stderr]   Downloaded timer v0.2.0
[INFO] [stderr]   Downloaded fd-lock v3.0.13
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.11
[INFO] [stderr]   Downloaded whoami v1.4.1
[INFO] [stderr]   Downloaded parity-tokio-ipc v0.9.0
[INFO] [stderr]   Downloaded rust-embed-utils v7.8.1
[INFO] [stderr]   Downloaded pty v0.2.2
[INFO] [stderr]   Downloaded baus v0.2.0
[INFO] [stderr]   Downloaded clap v4.4.17
[INFO] [stderr]   Downloaded miniserde v0.1.36
[INFO] [stderr]   Downloaded bytemuck v1.14.0
[INFO] [stderr]   Downloaded png v0.17.11
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.11
[INFO] [stderr]   Downloaded diss v0.2.10
[INFO] [stderr]   Downloaded clap_builder v4.4.17
[INFO] [stderr]   Downloaded rustyline v11.0.0
[INFO] [stderr]   Downloaded clap v3.2.25
[INFO] [stderr]   Downloaded skim v0.10.4
[INFO] [stderr]   Downloaded exr v1.71.0
[INFO] [stderr]   Downloaded nvim-rs v0.4.0
[INFO] [stderr]   Downloaded fern v0.6.2
[INFO] [stderr]   Downloaded clap_derive v3.2.25
[INFO] [stderr]   Downloaded half v2.2.1
[INFO] [stderr]   Downloaded timeout-readwrite v0.3.3
[INFO] [stderr]   Downloaded rustix v0.38.30
[INFO] [stderr]   Downloaded log-derive v0.4.1
[INFO] [stderr]   Downloaded rmpv v1.0.1
[INFO] [stderr]   Downloaded os_str_bytes v6.6.1
[INFO] [stderr]   Downloaded defer-drop v1.3.0
[INFO] [stderr]   Downloaded fuzzy-matcher v0.3.7
[INFO] [stderr]   Downloaded fdeflate v0.3.3
[INFO] [stderr]   Downloaded anstream v0.6.7
[INFO] [stderr]   Downloaded daemonize v0.4.1
[INFO] [stderr]   Downloaded errno v0.1.8
[INFO] [stderr]   Downloaded walkdir v2.4.0
[INFO] [stderr]   Downloaded web-sys v0.3.67
[INFO] [stderr]   Downloaded termion v2.0.3
[INFO] [stderr]   Downloaded rust-embed-impl v6.8.1
[INFO] [stderr]   Downloaded libredox v0.0.1
[INFO] [stderr]   Downloaded blockish v0.1.3
[INFO] [stderr]   Downloaded image v0.24.8
[INFO] [stderr]   Downloaded boxfnonce v0.1.1
[INFO] [stderr]   Downloaded rust-embed v6.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6fed6d8db7624811b8cfd58f070ae93aa180e03111191b2e2e999f3eec4934ce
[INFO] running `Command { std: "docker" "start" "-a" "6fed6d8db7624811b8cfd58f070ae93aa180e03111191b2e2e999f3eec4934ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fed6d8db7624811b8cfd58f070ae93aa180e03111191b2e2e999f3eec4934ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fed6d8db7624811b8cfd58f070ae93aa180e03111191b2e2e999f3eec4934ce", kill_on_drop: false }`
[INFO] [stdout] 6fed6d8db7624811b8cfd58f070ae93aa180e03111191b2e2e999f3eec4934ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c30c2576b0e2db86320d25d26045665295f26a4822f2538d9e78cad36209b07d
[INFO] running `Command { std: "docker" "start" "-a" "c30c2576b0e2db86320d25d26045665295f26a4822f2538d9e78cad36209b07d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling smallvec v1.12.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.7
[INFO] [stderr]    Compiling rayon-core v1.12.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling futures-sink v0.3.30
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling futures-io v0.3.30
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling bytes v1.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling rustix v0.38.30
[INFO] [stderr]    Compiling weezl v0.1.7
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling cpufeatures v0.2.12
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling anstyle v1.0.4
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling flume v0.11.0
[INFO] [stderr]    Compiling walkdir v2.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.11
[INFO] [stderr]    Compiling fdeflate v0.3.3
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling anstream v0.6.7
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling rayon v1.8.0
[INFO] [stderr]    Compiling zune-inflate v0.2.54
[INFO] [stderr]    Compiling sha2 v0.10.8
[INFO] [stderr]    Compiling clap_lex v0.6.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.59
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling lebe v0.5.2
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling bit_field v0.10.2
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling half v2.2.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.12
[INFO] [stderr]    Compiling bitflags v2.4.1
[INFO] [stderr]    Compiling bytemuck v1.14.0
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]    Compiling qoi v0.4.1
[INFO] [stderr]    Compiling rust-embed-utils v7.8.1
[INFO] [stderr]    Compiling chrono v0.4.31
[INFO] [stderr]    Compiling rmp v0.8.12
[INFO] [stderr]    Compiling gif v0.12.0
[INFO] [stderr]    Compiling exr v1.71.0
[INFO] [stderr]    Compiling clap_builder v4.4.17
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling png v0.17.11
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.11
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling mio v0.8.10
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling dirs v4.0.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling nix v0.25.1
[INFO] [stderr]    Compiling jpeg-decoder v0.3.1
[INFO] [stderr]    Compiling errno v0.1.8
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling arrayvec v0.7.4
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling tiff v0.9.1
[INFO] [stderr]    Compiling nvim-rs v0.4.0
[INFO] [stderr]    Compiling boxfnonce v0.1.1
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling fuzzy-matcher v0.3.7
[INFO] [stderr]    Compiling time v0.3.31
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling daemonize v0.4.1
[INFO] [stderr]    Compiling termion v2.0.3
[INFO] [stderr]    Compiling fd-lock v3.0.13
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[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/1.91.0-x86_64-unknown-linux-gnu/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="extra-traits"' --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=f18651cfa1bbaa98 -C extra-filename=-adb118ace84da142 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-4a7c0640945c762a.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-cd51ac174c47e7bf.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-f6b002bc8a9c0824.rmeta --cap-lints allow --cap-lints=warn --cfg syn_disable_nightly_tests` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c30c2576b0e2db86320d25d26045665295f26a4822f2538d9e78cad36209b07d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c30c2576b0e2db86320d25d26045665295f26a4822f2538d9e78cad36209b07d", kill_on_drop: false }`
[INFO] [stdout] c30c2576b0e2db86320d25d26045665295f26a4822f2538d9e78cad36209b07d