[INFO] fetching crate rem-borrower 0.1.4...
[INFO] testing rem-borrower-0.1.4 against 1.90.0 for beta-1.91-3
[INFO] extracting crate rem-borrower 0.1.4 into /workspace/builds/worker-1-tc1/source
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate rem-borrower 0.1.4
[INFO] finished tweaking crates.io crate rem-borrower 0.1.4
[INFO] tweaked toml for crates.io crate rem-borrower 0.1.4 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rem-borrower 0.1.4 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rem-borrower 0.1.4 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded string_cache v0.8.8
[INFO] [stderr]   Downloaded rem-utils v0.1.6
[INFO] [stderr]   Downloaded json5 v0.4.1
[INFO] [stderr]   Downloaded rem-constraint v0.1.3
[INFO] [stderr]   Downloaded async-trait v0.1.87
[INFO] [stderr]   Downloaded mktemp v0.4.1
[INFO] [stderr]   Downloaded config v0.15.9
[INFO] [stderr]   Downloaded yaml-rust2 v0.10.0
[INFO] [stderr]   Downloaded serde v1.0.218
[INFO] [stderr]   Downloaded winnow v0.7.3
[INFO] [stderr]   Downloaded serde_derive v1.0.218
[INFO] [stderr]   Downloaded clap_builder v4.5.31
[INFO] [stderr]   Downloaded syn v2.0.99
[INFO] [stderr]   Downloaded dlv-list v0.5.2
[INFO] [stderr]   Downloaded arraydeque v0.5.1
[INFO] [stderr]   Downloaded trim-in-place v0.1.7
[INFO] [stderr]   Downloaded rust-ini v0.21.1
[INFO] [stderr]   Downloaded clap v4.5.31
[INFO] [stderr]   Downloaded clap_derive v4.5.28
[INFO] [stderr]   Downloaded libc v0.2.170
[INFO] [stderr]   Downloaded ordered-multimap v0.7.3
[INFO] [stderr]   Downloaded quote v1.0.39
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83fb26fee81ebb78fd8d14328634162ce67de08f3c581cfd2344deeb55fa7774
[INFO] running `Command { std: "docker" "start" "-a" "83fb26fee81ebb78fd8d14328634162ce67de08f3c581cfd2344deeb55fa7774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83fb26fee81ebb78fd8d14328634162ce67de08f3c581cfd2344deeb55fa7774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83fb26fee81ebb78fd8d14328634162ce67de08f3c581cfd2344deeb55fa7774", kill_on_drop: false }`
[INFO] [stdout] 83fb26fee81ebb78fd8d14328634162ce67de08f3c581cfd2344deeb55fa7774
[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=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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcd0b75535c9bc37d9d3f14afd50dd315d2fcc5d6be8c5af800603db7d396fa7
[INFO] running `Command { std: "docker" "start" "-a" "dcd0b75535c9bc37d9d3f14afd50dd315d2fcc5d6be8c5af800603db7d396fa7", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.218
[INFO] [stderr]    Compiling once_cell v1.20.3
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]    Compiling foldhash v0.1.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling anstyle-parse v0.2.5
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling colorchoice v1.0.2
[INFO] [stderr]    Compiling anstyle v1.0.8
[INFO] [stderr]    Compiling anstyle-query v1.1.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling winnow v0.7.3
[INFO] [stderr]    Compiling anstream v0.6.15
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]    Compiling arraydeque v0.5.1
[INFO] [stderr]    Compiling syn v2.0.99
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling trim-in-place v0.1.7
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling yaml-rust2 v0.10.0
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling dlv-list v0.5.2
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling pathdiff v0.2.3
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling env_filter v0.1.3
[INFO] [stderr]    Compiling ordered-multimap v0.7.3
[INFO] [stderr]    Compiling ena v0.14.3
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling colored v3.0.0
[INFO] [stderr]    Compiling clap_builder v4.5.31
[INFO] [stderr]    Compiling rust-ini v0.21.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling env_logger v0.11.6
[INFO] [stderr]    Compiling mktemp v0.4.1
[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 clap_derive v4.5.28
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling pest v2.7.15
[INFO] [stderr]    Compiling clap v4.5.31
[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]    Compiling serde_spanned v0.6.8
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling bitflags v2.9.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling json5 v0.4.1
[INFO] [stderr]    Compiling string_cache v0.8.8
[INFO] [stderr]    Compiling toml_edit v0.22.24
[INFO] [stderr]    Compiling ron v0.8.1
[INFO] [stderr]    Compiling toml v0.8.20
[INFO] [stderr]    Compiling config v0.15.9
[INFO] [stderr]    Compiling 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] 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:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(never_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(iter_intersperse)]
[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 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "dcd0b75535c9bc37d9d3f14afd50dd315d2fcc5d6be8c5af800603db7d396fa7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcd0b75535c9bc37d9d3f14afd50dd315d2fcc5d6be8c5af800603db7d396fa7", kill_on_drop: false }`
[INFO] [stdout] dcd0b75535c9bc37d9d3f14afd50dd315d2fcc5d6be8c5af800603db7d396fa7
