[INFO] fetching crate auberge 0.1.2...
[INFO] testing auberge-0.1.2 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate auberge 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate auberge 0.1.2
[INFO] finished tweaking crates.io crate auberge 0.1.2
[INFO] tweaked toml for crates.io crate auberge 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate auberge 0.1.2 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate auberge 0.1.2 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-2026-01-20" "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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f5b434093b852dafc9fe227358edfb5f0efdace415dbaa9114d1f033aab09d7
[INFO] running `Command { std: "docker" "start" "-a" "1f5b434093b852dafc9fe227358edfb5f0efdace415dbaa9114d1f033aab09d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f5b434093b852dafc9fe227358edfb5f0efdace415dbaa9114d1f033aab09d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f5b434093b852dafc9fe227358edfb5f0efdace415dbaa9114d1f033aab09d7", kill_on_drop: false }`
[INFO] [stdout] 1f5b434093b852dafc9fe227358edfb5f0efdace415dbaa9114d1f033aab09d7
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85e2a3d4b30b032d4086214d6fe268e98eefd09ab807ea9b79ab1ed65f9621b4
[INFO] running `Command { std: "docker" "start" "-a" "85e2a3d4b30b032d4086214d6fe268e98eefd09ab807ea9b79ab1ed65f9621b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling tracing v0.1.44
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling zmij v1.0.16
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling owo-colors v4.2.3
[INFO] [stderr]    Compiling tracing-subscriber v0.3.22
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling cc v1.2.53
[INFO] [stderr]    Compiling color-spantrace v0.3.0
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling eyre v0.6.12
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.2
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling time-core v0.1.7
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling indenter v0.3.4
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling ansible-rs v1.1.0
[INFO] [stderr]    Compiling tracing-error v0.2.1
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling time v0.3.45
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling openssl-sys v0.9.111
[INFO] [stderr]    Compiling vte v0.11.1
[INFO] [stderr]    Compiling tempfile v3.24.0
[INFO] [stderr]    Compiling openssl v0.10.75
[INFO] [stderr]    Compiling native-tls v0.2.14
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling nix v0.25.1
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling include_dir_macros v0.7.4
[INFO] [stderr]    Compiling tuikit v0.5.0
[INFO] [stderr]    Compiling defer-drop v1.3.0
[INFO] [stderr]    Compiling fuzzy-matcher v0.3.7
[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-2026-01-20-x86_64-unknown-linux-gnu/bin/rustc --crate-name syn --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/syn-2.0.114/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"' --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=c8ef9ad5505d74f2 -C extra-filename=-e328f8cc5aac0dd9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-cfabb1ad07189586.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-02e391cf486ad9c5.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-3a00dd35274e822e.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" "85e2a3d4b30b032d4086214d6fe268e98eefd09ab807ea9b79ab1ed65f9621b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85e2a3d4b30b032d4086214d6fe268e98eefd09ab807ea9b79ab1ed65f9621b4", kill_on_drop: false }`
[INFO] [stdout] 85e2a3d4b30b032d4086214d6fe268e98eefd09ab807ea9b79ab1ed65f9621b4
