[INFO] fetching crate basehangul 0.1.10...
[INFO] testing basehangul-0.1.10 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate basehangul 0.1.10 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate basehangul 0.1.10
[INFO] finished tweaking crates.io crate basehangul 0.1.10
[INFO] tweaked toml for crates.io crate basehangul 0.1.10 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate basehangul 0.1.10 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded encoding_index_tests v0.1.4
[INFO] [stderr]   Downloaded encoding-index-korean v1.20141219.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf9d46c4e1e93d857db05e4b64290c5006ee9e56193d6a63c05ed41a59158f7f
[INFO] running `Command { std: "docker" "start" "-a" "bf9d46c4e1e93d857db05e4b64290c5006ee9e56193d6a63c05ed41a59158f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf9d46c4e1e93d857db05e4b64290c5006ee9e56193d6a63c05ed41a59158f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf9d46c4e1e93d857db05e4b64290c5006ee9e56193d6a63c05ed41a59158f7f", kill_on_drop: false }`
[INFO] [stdout] bf9d46c4e1e93d857db05e4b64290c5006ee9e56193d6a63c05ed41a59158f7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 064db9e7818f08cfa8888113729d0934a6bfc39e60f9fbc6b7a89e373d7a471d
[INFO] running `Command { std: "docker" "start" "-a" "064db9e7818f08cfa8888113729d0934a6bfc39e60f9fbc6b7a89e373d7a471d", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling basehangul v0.1.10 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::borrow::IntoCow`
[INFO] [stdout]   --> src/lib.rs:14:24
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::borrow::{Cow, IntoCow};
[INFO] [stdout]    |                        ^^^^^^^ no `IntoCow` in `borrow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:250:27
[INFO] [stdout]     |
[INFO] [stdout] 250 |                 Some(b @ 0...1023) => {
[INFO] [stdout]     |                           ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/lib.rs:254:30
[INFO] [stdout]     |
[INFO] [stdout] 254 |                 Some(b @ 1024...2045) => {
[INFO] [stdout]     |                              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `into_cow`
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(into_cow)] // lib stability features as per RFC #507
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `into_cow` found for reference `&'static str` in the current scope
[INFO] [stdout]    --> src/lib.rs:243:68
[INFO] [stdout]     |
[INFO] [stdout] 243 |                     return Some(Err("non-integral number of bytes".into_cow()));
[INFO] [stdout]     |                                                                    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `into` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 243 -                     return Some(Err("non-integral number of bytes".into_cow()));
[INFO] [stdout] 243 +                     return Some(Err("non-integral number of bytes".into()));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `into_cow` found for reference `&'static str` in the current scope
[INFO] [stdout]    --> src/lib.rs:271:57
[INFO] [stdout]     |
[INFO] [stdout] 271 |                     return Some(Err("invalid code word".into_cow()));
[INFO] [stdout]     |                                                         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `into` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 271 -                     return Some(Err("invalid code word".into_cow()));
[INFO] [stdout] 271 +                     return Some(Err("invalid code word".into()));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `basehangul` (lib) due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "064db9e7818f08cfa8888113729d0934a6bfc39e60f9fbc6b7a89e373d7a471d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "064db9e7818f08cfa8888113729d0934a6bfc39e60f9fbc6b7a89e373d7a471d", kill_on_drop: false }`
[INFO] [stdout] 064db9e7818f08cfa8888113729d0934a6bfc39e60f9fbc6b7a89e373d7a471d
