[INFO] fetching crate basehangul 0.1.10...
[INFO] checking basehangul-0.1.10 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate basehangul 0.1.10 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate basehangul 0.1.10 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "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-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b24d1fac9080aa6c7380920992a8481d0e7257c6b8b0c452b8b95c3240a8a3e
[INFO] running `Command { std: "docker" "start" "-a" "6b24d1fac9080aa6c7380920992a8481d0e7257c6b8b0c452b8b95c3240a8a3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b24d1fac9080aa6c7380920992a8481d0e7257c6b8b0c452b8b95c3240a8a3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b24d1fac9080aa6c7380920992a8481d0e7257c6b8b0c452b8b95c3240a8a3e", kill_on_drop: false }`
[INFO] [stdout] 6b24d1fac9080aa6c7380920992a8481d0e7257c6b8b0c452b8b95c3240a8a3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c97dd4e41fba1df0514e8d6fea0d8dc90900cd689a21b0bbeda0caa66ff2f9f
[INFO] running `Command { std: "docker" "start" "-a" "4c97dd4e41fba1df0514e8d6fea0d8dc90900cd689a21b0bbeda0caa66ff2f9f", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking 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] 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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/nightly/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] 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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/nightly/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()));
[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()));
[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()));
[INFO] [stdout]     |                                                         ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stderr] error: could not compile `basehangul` (lib) due to 5 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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()));
[INFO] [stdout]     |                                                         ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stderr] error: could not compile `basehangul` (lib test) due to 5 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "4c97dd4e41fba1df0514e8d6fea0d8dc90900cd689a21b0bbeda0caa66ff2f9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c97dd4e41fba1df0514e8d6fea0d8dc90900cd689a21b0bbeda0caa66ff2f9f", kill_on_drop: false }`
[INFO] [stdout] 4c97dd4e41fba1df0514e8d6fea0d8dc90900cd689a21b0bbeda0caa66ff2f9f
[INFO] checking basehangul-0.1.10 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate basehangul 0.1.10 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate basehangul 0.1.10 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81d9a75d1e4e56cb079b12b5096f3fd1b83b4a2ecf13dc12387c248c7a1f11e7
[INFO] running `Command { std: "docker" "start" "-a" "81d9a75d1e4e56cb079b12b5096f3fd1b83b4a2ecf13dc12387c248c7a1f11e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81d9a75d1e4e56cb079b12b5096f3fd1b83b4a2ecf13dc12387c248c7a1f11e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81d9a75d1e4e56cb079b12b5096f3fd1b83b4a2ecf13dc12387c248c7a1f11e7", kill_on_drop: false }`
[INFO] [stdout] 81d9a75d1e4e56cb079b12b5096f3fd1b83b4a2ecf13dc12387c248c7a1f11e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 354a39664a49a399c60e996611604f8e8807dca1788374c6566a7eb3a93b1ec5
[INFO] running `Command { std: "docker" "start" "-a" "354a39664a49a399c60e996611604f8e8807dca1788374c6566a7eb3a93b1ec5", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking 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] 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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/nightly/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] 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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/nightly/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()));
[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()));
[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()));
[INFO] [stdout]     |                                                         ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stderr] error: could not compile `basehangul` (lib) due to 5 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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()));
[INFO] [stdout]     |                                                         ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stderr] error: could not compile `basehangul` (lib test) due to 5 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "354a39664a49a399c60e996611604f8e8807dca1788374c6566a7eb3a93b1ec5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "354a39664a49a399c60e996611604f8e8807dca1788374c6566a7eb3a93b1ec5", kill_on_drop: false }`
[INFO] [stdout] 354a39664a49a399c60e996611604f8e8807dca1788374c6566a7eb3a93b1ec5
