[INFO] fetching crate rangeinfo 0.1.1...
[INFO] testing rangeinfo-0.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rangeinfo 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate rangeinfo 0.1.1
[INFO] finished tweaking crates.io crate rangeinfo 0.1.1
[INFO] tweaked toml for crates.io crate rangeinfo 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rangeinfo 0.1.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2e8c47954d68736d97deff23ba72e3e5260168122d77cd9a37d2de6db6231f02
[INFO] running `Command { std: "docker" "start" "-a" "2e8c47954d68736d97deff23ba72e3e5260168122d77cd9a37d2de6db6231f02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e8c47954d68736d97deff23ba72e3e5260168122d77cd9a37d2de6db6231f02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e8c47954d68736d97deff23ba72e3e5260168122d77cd9a37d2de6db6231f02", kill_on_drop: false }`
[INFO] [stdout] 2e8c47954d68736d97deff23ba72e3e5260168122d77cd9a37d2de6db6231f02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 273864ce78ca9a58190f5f57e8754522f6b40b569a303d5452d5fae665cffce5
[INFO] running `Command { std: "docker" "start" "-a" "273864ce78ca9a58190f5f57e8754522f6b40b569a303d5452d5fae665cffce5", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling rangeinfo v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(inclusive_range,inclusive_range_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `inclusive_range_syntax` has been stable since `1.26.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:28
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(inclusive_range,inclusive_range_syntax)]
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `inclusive_range` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(inclusive_range,inclusive_range_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `start` of struct `std::ops::RangeInclusive` is private
[INFO] [stdout]   --> src/lib.rs:53:31
[INFO] [stdout]    |
[INFO] [stdout] 53 |             start:Closed(self.start.clone()),
[INFO] [stdout]    |                               ^^^^^ private field
[INFO] [stdout]    |
[INFO] [stdout] help: a method `start` also exists, call it with parentheses
[INFO] [stdout]    |
[INFO] [stdout] 53 |             start:Closed(self.start().clone()),
[INFO] [stdout]    |                                    ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0616]: field `end` of struct `std::ops::RangeInclusive` is private
[INFO] [stdout]   --> src/lib.rs:54:29
[INFO] [stdout]    |
[INFO] [stdout] 54 |             end:Closed(self.end.clone()),
[INFO] [stdout]    |                             ^^^ private field
[INFO] [stdout]    |
[INFO] [stdout] help: a method `end` also exists, call it with parentheses
[INFO] [stdout]    |
[INFO] [stdout] 54 |             end:Closed(self.end().clone()),
[INFO] [stdout]    |                                ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0616.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rangeinfo` (lib) due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "273864ce78ca9a58190f5f57e8754522f6b40b569a303d5452d5fae665cffce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "273864ce78ca9a58190f5f57e8754522f6b40b569a303d5452d5fae665cffce5", kill_on_drop: false }`
[INFO] [stdout] 273864ce78ca9a58190f5f57e8754522f6b40b569a303d5452d5fae665cffce5
