[INFO] fetching crate basehangul 0.1.10... [INFO] testing basehangul-0.1.10 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate basehangul 0.1.10 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate basehangul 0.1.10 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c0941e147012b9395041b7a6f44603357d5ccee7cb4c1cc15a7258738c2cfd05 [INFO] running `Command { std: "docker" "start" "-a" "c0941e147012b9395041b7a6f44603357d5ccee7cb4c1cc15a7258738c2cfd05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c0941e147012b9395041b7a6f44603357d5ccee7cb4c1cc15a7258738c2cfd05", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0941e147012b9395041b7a6f44603357d5ccee7cb4c1cc15a7258738c2cfd05", kill_on_drop: false }` [INFO] [stdout] c0941e147012b9395041b7a6f44603357d5ccee7cb4c1cc15a7258738c2cfd05 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d845efe81c2a97648f0fb313257b0ea8e53a08eca1dccfb9225d82238733360a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d845efe81c2a97648f0fb313257b0ea8e53a08eca1dccfb9225d82238733360a", kill_on_drop: false }` [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] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [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 [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [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[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] | ^^^^^^^^ method not found in `&'static str` [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] | ^^^^^^^^ method not found in `&'static str` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `basehangul` due to 6 previous errors; 2 warnings emitted [INFO] [stdout] error: aborting due to 5 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0432, E0554, E0599, E0635. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d845efe81c2a97648f0fb313257b0ea8e53a08eca1dccfb9225d82238733360a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d845efe81c2a97648f0fb313257b0ea8e53a08eca1dccfb9225d82238733360a", kill_on_drop: false }` [INFO] [stdout] d845efe81c2a97648f0fb313257b0ea8e53a08eca1dccfb9225d82238733360a