[INFO] cloning repository https://github.com/kaki-studios/kakimail
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kaki-studios/kakimail" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaki-studios%2Fkakimail", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaki-studios%2Fkakimail'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a97150e5ee13243a2742e6987a03cfb90dd8d74
[INFO] testing kaki-studios/kakimail against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkaki-studios%2Fkakimail" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kaki-studios/kakimail
[INFO] finished tweaking git repo https://github.com/kaki-studios/kakimail
[INFO] tweaked toml for git repo https://github.com/kaki-studios/kakimail written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kaki-studios/kakimail on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kaki-studios/kakimail 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82f0d50d4b15ecd4845265be8c62ae33954ad834d510569d58b9682ea740c603
[INFO] running `Command { std: "docker" "start" "-a" "82f0d50d4b15ecd4845265be8c62ae33954ad834d510569d58b9682ea740c603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82f0d50d4b15ecd4845265be8c62ae33954ad834d510569d58b9682ea740c603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82f0d50d4b15ecd4845265be8c62ae33954ad834d510569d58b9682ea740c603", kill_on_drop: false }`
[INFO] [stdout] 82f0d50d4b15ecd4845265be8c62ae33954ad834d510569d58b9682ea740c603
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bccbd42d5516dcf2c8754e2e0cbf935f0d67462bd0858d32ade6cf4289c37b8
[INFO] running `Command { std: "docker" "start" "-a" "5bccbd42d5516dcf2c8754e2e0cbf935f0d67462bd0858d32ade6cf4289c37b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.76
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling smallvec v1.12.0
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling zerocopy v0.7.34
[INFO] [stderr]    Compiling bitflags v2.5.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.13
[INFO] [stderr]    Compiling async-trait v0.1.77
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling rustls v0.21.10
[INFO] [stderr]    Compiling prettyplease v0.2.17
[INFO] [stderr]    Compiling fs_extra v1.3.0
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling libloading v0.8.3
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling clang-sys v1.7.0
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling rustls-native-certs v0.6.3
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling serde_json v1.0.112
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling webpki-roots v0.25.3
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]    Compiling axum v0.6.20
[INFO] [stderr]    Compiling thiserror v1.0.56
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling aws-lc-rs v1.6.2
[INFO] [stderr]    Compiling indexmap v2.1.0
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling zeroize v1.7.0
[INFO] [stderr]    Compiling http-range-header v0.3.1
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling socket2 v0.5.5
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling mio v0.8.10
[INFO] [stderr]    Compiling getrandom v0.2.12
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling ring v0.17.7
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling aws-lc-sys v0.13.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr] error: could not compile `regex-syntax` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2025-09-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name regex_syntax --edition=2021 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-syntax-0.8.3/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 debuginfo=2 --cfg 'feature="default"' --cfg 'feature="std"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("arbitrary", "default", "std", "unicode", "unicode-age", "unicode-bool", "unicode-case", "unicode-gencat", "unicode-perl", "unicode-script", "unicode-segment"))' -C metadata=56d0998a1b75ff17 -C extra-filename=-a3b2c2df707c8030 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "5bccbd42d5516dcf2c8754e2e0cbf935f0d67462bd0858d32ade6cf4289c37b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bccbd42d5516dcf2c8754e2e0cbf935f0d67462bd0858d32ade6cf4289c37b8", kill_on_drop: false }`
[INFO] [stdout] 5bccbd42d5516dcf2c8754e2e0cbf935f0d67462bd0858d32ade6cf4289c37b8