[INFO] fetching crate padded-number 0.5.0...
[INFO] testing padded-number-0.5.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate padded-number 0.5.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate padded-number 0.5.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate padded-number 0.5.0
[INFO] tweaked toml for crates.io crate padded-number 0.5.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate padded-number 0.5.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate padded-number 0.5.0 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.17
[INFO] [stderr]   Downloaded konst_kernel v0.3.15
[INFO] [stderr]   Downloaded konst_proc_macros v0.3.10
[INFO] [stderr]   Downloaded padded-number-macros v0.5.0
[INFO] [stderr]   Downloaded typewit v1.11.0
[INFO] [stderr]   Downloaded padded-number-internal v0.5.0
[INFO] [stderr]   Downloaded konst v0.3.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dca81c9d98123bbf917418f4f1e7b678e3767fe7c14cae24410d6507be2e5a10
[INFO] running `Command { std: "docker" "start" "-a" "dca81c9d98123bbf917418f4f1e7b678e3767fe7c14cae24410d6507be2e5a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dca81c9d98123bbf917418f4f1e7b678e3767fe7c14cae24410d6507be2e5a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dca81c9d98123bbf917418f4f1e7b678e3767fe7c14cae24410d6507be2e5a10", kill_on_drop: false }`
[INFO] [stdout] dca81c9d98123bbf917418f4f1e7b678e3767fe7c14cae24410d6507be2e5a10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57b071f40c3cad209ea9895496eaffdcb7720345690a06a0afc82dd971e00f60
[INFO] running `Command { std: "docker" "start" "-a" "57b071f40c3cad209ea9895496eaffdcb7720345690a06a0afc82dd971e00f60", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling konst_proc_macros v0.3.10
[INFO] [stderr]    Compiling const_panic v0.2.12
[INFO] [stderr]    Compiling typewit v1.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling konst_kernel v0.3.15
[INFO] [stderr]    Compiling konst v0.3.16
[INFO] [stderr]    Compiling quote v1.0.39
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling padded-number-internal v0.5.0
[INFO] [stderr]    Compiling padded-number v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(generic_const_exprs)]
[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 `padded-number` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "57b071f40c3cad209ea9895496eaffdcb7720345690a06a0afc82dd971e00f60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57b071f40c3cad209ea9895496eaffdcb7720345690a06a0afc82dd971e00f60", kill_on_drop: false }`
[INFO] [stdout] 57b071f40c3cad209ea9895496eaffdcb7720345690a06a0afc82dd971e00f60