[INFO] fetching crate rem-constraint 0.1.3...
[INFO] checking rem-constraint-0.1.3 against 1.95.0 for pr-155915
[INFO] extracting crate rem-constraint 0.1.3 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate rem-constraint 0.1.3
[INFO] finished tweaking crates.io crate rem-constraint 0.1.3
[INFO] tweaked toml for crates.io crate rem-constraint 0.1.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rem-constraint 0.1.3 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 crates.io crate rem-constraint 0.1.3 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 ...
[INFO] [stderr]   Downloaded async-trait v0.1.87
[INFO] [stderr]   Downloaded rem-utils v0.1.6
[INFO] [stderr]   Downloaded config v0.15.9
[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] a642def9de0fdd25b1fa5402958ba10d5801ae323921e943b6b2f3131a83664e
[INFO] running `Command { std: "docker" "start" "-a" "a642def9de0fdd25b1fa5402958ba10d5801ae323921e943b6b2f3131a83664e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a642def9de0fdd25b1fa5402958ba10d5801ae323921e943b6b2f3131a83664e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a642def9de0fdd25b1fa5402958ba10d5801ae323921e943b6b2f3131a83664e", kill_on_drop: false }`
[INFO] [stdout] a642def9de0fdd25b1fa5402958ba10d5801ae323921e943b6b2f3131a83664e
[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] eed5e3550e8e4bef683d0dedb615695b5036976532455cea5ba8704e3259e452
[INFO] running `Command { std: "docker" "start" "-a" "eed5e3550e8e4bef683d0dedb615695b5036976532455cea5ba8704e3259e452", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking foldhash v0.1.4
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling crunchy v0.2.3
[INFO] [stderr]     Checking log v0.4.26
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking winnow v0.7.3
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking smallvec v1.14.0
[INFO] [stderr]     Checking trim-in-place v0.1.7
[INFO] [stderr]     Checking hashbrown v0.15.2
[INFO] [stderr]     Checking arraydeque v0.5.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking siphasher v1.0.1
[INFO] [stderr]     Checking convert_case v0.6.0
[INFO] [stderr]     Checking pathdiff v0.2.3
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking ena v0.14.3
[INFO] [stderr]     Checking env_filter v0.1.3
[INFO] [stderr]     Checking home v0.5.11
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking phf_shared v0.11.3
[INFO] [stderr]     Checking env_logger v0.11.6
[INFO] [stderr]     Checking quote v1.0.39
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking indexmap v2.7.1
[INFO] [stderr]     Checking hashlink v0.10.0
[INFO] [stderr]     Checking const-random v0.1.18
[INFO] [stderr]     Checking mktemp v0.4.1
[INFO] [stderr]     Checking dlv-list v0.5.2
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]     Checking yaml-rust2 v0.10.0
[INFO] [stderr]     Checking ordered-multimap v0.7.3
[INFO] [stderr]     Checking rust-ini v0.21.1
[INFO] [stderr]    Compiling serde_derive v1.0.218
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling async-trait v0.1.87
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling pest v2.7.15
[INFO] [stderr]    Compiling pest_meta v2.7.15
[INFO] [stderr]    Compiling pest_generator v2.7.15
[INFO] [stderr]    Compiling pest_derive v2.7.15
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking serde_spanned v0.6.8
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]     Checking json5 v0.4.1
[INFO] [stderr]     Checking string_cache v0.8.8
[INFO] [stderr]     Checking toml_edit v0.22.24
[INFO] [stderr]     Checking ron v0.8.1
[INFO] [stderr]     Checking toml v0.8.20
[INFO] [stderr]     Checking config v0.15.9
[INFO] [stderr]     Checking rem-utils v0.1.6
[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/rem-utils-0.1.6/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)]
[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 `rem-utils` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "eed5e3550e8e4bef683d0dedb615695b5036976532455cea5ba8704e3259e452", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eed5e3550e8e4bef683d0dedb615695b5036976532455cea5ba8704e3259e452", kill_on_drop: false }`
[INFO] [stdout] eed5e3550e8e4bef683d0dedb615695b5036976532455cea5ba8704e3259e452