[INFO] fetching crate basehangul 0.1.10... [INFO] checking basehangul-0.1.10 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1 [INFO] extracting crate basehangul 0.1.10 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate basehangul 0.1.10 on toolchain ff1737bb00913444173658b4e0b274fd79aabf66 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "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-4-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3de494fa9c2b505645aad7a365aeaf7f3005c7fdea058c809a7ed09e2d52acb7 [INFO] running `Command { std: "docker" "start" "-a" "3de494fa9c2b505645aad7a365aeaf7f3005c7fdea058c809a7ed09e2d52acb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3de494fa9c2b505645aad7a365aeaf7f3005c7fdea058c809a7ed09e2d52acb7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3de494fa9c2b505645aad7a365aeaf7f3005c7fdea058c809a7ed09e2d52acb7", kill_on_drop: false }` [INFO] [stdout] 3de494fa9c2b505645aad7a365aeaf7f3005c7fdea058c809a7ed09e2d52acb7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9448ce83896b2f93c42f30c548d57eb930ecfec9b6fa811f424d0edc25cb81db [INFO] running `Command { std: "docker" "start" "-a" "9448ce83896b2f93c42f30c548d57eb930ecfec9b6fa811f424d0edc25cb81db", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [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] 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[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[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] 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 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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 4 previous errors [INFO] running `Command { std: "docker" "inspect" "9448ce83896b2f93c42f30c548d57eb930ecfec9b6fa811f424d0edc25cb81db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9448ce83896b2f93c42f30c548d57eb930ecfec9b6fa811f424d0edc25cb81db", kill_on_drop: false }` [INFO] [stdout] 9448ce83896b2f93c42f30c548d57eb930ecfec9b6fa811f424d0edc25cb81db