[INFO] cloning repository https://github.com/fkaa/faxxer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fkaa/faxxer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkaa%2Ffaxxer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkaa%2Ffaxxer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] adff942de7f05f807ce36b23dd1f1f42819614fa
[INFO] checking fkaa/faxxer against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkaa%2Ffaxxer" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fkaa/faxxer
[INFO] finished tweaking git repo https://github.com/fkaa/faxxer
[INFO] tweaked toml for git repo https://github.com/fkaa/faxxer written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fkaa/faxxer on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fkaa/faxxer 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 347aeef0a07fde2a01cd10e757636e0ad13f8296b8817df97060d05db7eea010
[INFO] running `Command { std: "docker" "start" "-a" "347aeef0a07fde2a01cd10e757636e0ad13f8296b8817df97060d05db7eea010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "347aeef0a07fde2a01cd10e757636e0ad13f8296b8817df97060d05db7eea010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "347aeef0a07fde2a01cd10e757636e0ad13f8296b8817df97060d05db7eea010", kill_on_drop: false }`
[INFO] [stdout] 347aeef0a07fde2a01cd10e757636e0ad13f8296b8817df97060d05db7eea010
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dd7dffd108db7334a43e42f571e5bd9af8cb6fc36d127e66ffe521fbc4defd5
[INFO] running `Command { std: "docker" "start" "-a" "6dd7dffd108db7334a43e42f571e5bd9af8cb6fc36d127e66ffe521fbc4defd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling cc v1.2.28
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking litemap v0.8.0
[INFO] [stderr]     Checking writeable v0.6.1
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking slab v0.4.10
[INFO] [stderr]    Compiling icu_properties_data v2.0.1
[INFO] [stderr]     Checking rustls-pki-types v1.12.0
[INFO] [stderr]    Compiling icu_normalizer_data v2.0.0
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking subtle v2.6.1
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]     Checking utf8_iter v1.0.4
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling built v0.7.7
[INFO] [stderr]    Compiling rustls v0.22.4
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling rav1e v0.7.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking flate2 v1.1.2
[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]     Checking indexmap v2.10.0
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]    Compiling mime_guess v2.0.5
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling simd_helpers v0.1.0
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking webpki-roots v1.0.1
[INFO] [stderr]     Checking itertools v0.12.1
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[INFO] [stderr]     Checking regex-syntax v0.8.5
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[INFO] [stderr]     Checking socket2 v0.5.10
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking new_debug_unreachable v1.0.6
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[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]     Checking bitstream-io v2.6.0
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[INFO] [stderr]    Compiling syn v1.0.109
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[INFO] [stderr]     Checking zune-inflate v0.2.54
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking fdeflate v0.3.7
[INFO] [stderr]     Checking half v2.6.0
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[INFO] [stderr]     Checking rgb v0.8.50
[INFO] [stderr]     Checking sha1 v0.10.6
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[INFO] [stderr]     Checking data-encoding v2.9.0
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[INFO] [stderr]     Checking byteorder-lite v0.1.0
[INFO] [stderr]    Compiling rustls v0.23.28
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking zune-core v0.4.12
[INFO] [stderr]     Checking bytemuck v1.23.1
[INFO] [stderr]    Compiling rusb v0.9.4
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling libusb1-sys v0.7.0
[INFO] [stderr]    Compiling hidapi v2.6.3
[INFO] [stderr]     Checking linux-raw-sys v0.4.15
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking zune-jpeg v0.4.19
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking rustls-pemfile v1.0.4
[INFO] [stderr]     Checking image-webp v0.2.3
[INFO] [stderr]     Checking qoi v0.4.1
[INFO] [stderr]     Checking tiff v0.9.1
[INFO] [stderr]     Checking exr v1.73.0
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking gif v0.13.3
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking maybe-rayon v0.1.1
[INFO] [stderr]    Compiling cookie v0.18.1
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]     Checking iana-time-zone v0.1.63
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling serenity v0.12.4
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking anstyle-query v1.1.3
[INFO] [stderr]     Checking webpki-roots v0.25.4
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking anstyle v1.0.11
[INFO] [stderr]     Checking ipnet v2.11.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking futures-lite v2.6.0
[INFO] [stderr]     Checking anstream v0.6.19
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking ureq-proto v0.4.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking pem v3.0.5
[INFO] [stderr]     Checking csv-core v0.1.12
[INFO] [stderr]     Checking rustls-pemfile v2.2.0
[INFO] [stderr]     Checking jiff v0.2.15
[INFO] [stderr]     Checking typemap_rev v0.3.0
[INFO] [stderr]     Checking utf8-width v0.1.7
[INFO] [stderr]     Checking levenshtein v1.0.5
[INFO] [stderr]     Checking ascii v1.1.0
[INFO] [stderr]     Checking chunked_transfer v1.5.0
[INFO] [stderr]     Checking uwl v0.6.0
[INFO] [stderr]     Checking html-escape v0.2.13
[INFO] [stderr]     Checking rand v0.9.1
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking tiny_http v0.12.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-1.11.1/src/lib.rs:1317:34
[INFO] [stdout]      |
[INFO] [stdout] 1317 | #![cfg_attr(feature = "pattern", feature(pattern))]
[INFO] [stdout]      |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6dd7dffd108db7334a43e42f571e5bd9af8cb6fc36d127e66ffe521fbc4defd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dd7dffd108db7334a43e42f571e5bd9af8cb6fc36d127e66ffe521fbc4defd5", kill_on_drop: false }`
[INFO] [stdout] 6dd7dffd108db7334a43e42f571e5bd9af8cb6fc36d127e66ffe521fbc4defd5