[INFO] fetching crate padded-number 0.5.0...
[INFO] testing padded-number-0.5.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate padded-number 0.5.0 into /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate padded-number 0.5.0 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 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ryu v1.0.19
[INFO] [stderr]   Downloaded padded-number-macros v0.5.0
[INFO] [stderr]   Downloaded quote v1.0.39
[INFO] [stderr]   Downloaded typewit_proc_macros v1.8.1
[INFO] [stderr]   Downloaded padded-number-internal v0.5.0
[INFO] [stderr]   Downloaded itoa v1.0.14
[INFO] [stderr]   Downloaded konst_proc_macros v0.3.10
[INFO] [stderr]   Downloaded konst_kernel v0.3.15
[INFO] [stderr]   Downloaded unicode-ident v1.0.17
[INFO] [stderr]   Downloaded typewit v1.11.0
[INFO] [stderr]   Downloaded konst v0.3.16
[INFO] [stderr]   Downloaded const_panic v0.2.12
[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] 5fbf03b94be049f69602da3ec4407c9c1d584a6bccd07ea84c61479242b1401c
[INFO] running `Command { std: "docker" "start" "-a" "5fbf03b94be049f69602da3ec4407c9c1d584a6bccd07ea84c61479242b1401c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fbf03b94be049f69602da3ec4407c9c1d584a6bccd07ea84c61479242b1401c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fbf03b94be049f69602da3ec4407c9c1d584a6bccd07ea84c61479242b1401c", kill_on_drop: false }`
[INFO] [stdout] 5fbf03b94be049f69602da3ec4407c9c1d584a6bccd07ea84c61479242b1401c
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe668cf4bfe594d2cff20f3c43eb9634e8c2f7f943de28ec32dbf1468d720105
[INFO] running `Command { std: "docker" "start" "-a" "fe668cf4bfe594d2cff20f3c43eb9634e8c2f7f943de28ec32dbf1468d720105", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.17
[INFO] [stderr]    Compiling typewit_proc_macros v1.8.1
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling const_panic v0.2.12
[INFO] [stderr]    Compiling konst_proc_macros v0.3.10
[INFO] [stderr]    Compiling typewit v1.11.0
[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 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" "fe668cf4bfe594d2cff20f3c43eb9634e8c2f7f943de28ec32dbf1468d720105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe668cf4bfe594d2cff20f3c43eb9634e8c2f7f943de28ec32dbf1468d720105", kill_on_drop: false }`
[INFO] [stdout] fe668cf4bfe594d2cff20f3c43eb9634e8c2f7f943de28ec32dbf1468d720105
