[INFO] fetching crate wtf8 0.1.0... [INFO] building wtf8-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] extracting crate wtf8 0.1.0 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate wtf8 0.1.0 [INFO] finished tweaking crates.io crate wtf8 0.1.0 [INFO] tweaked toml for crates.io crate wtf8 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate wtf8 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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] 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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 12f0a5159fe6a3356be7723c49d04716d16725496ab65fcdb86e6f899d19a656 [INFO] running `Command { std: "docker" "start" "-a" "12f0a5159fe6a3356be7723c49d04716d16725496ab65fcdb86e6f899d19a656", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "12f0a5159fe6a3356be7723c49d04716d16725496ab65fcdb86e6f899d19a656", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12f0a5159fe6a3356be7723c49d04716d16725496ab65fcdb86e6f899d19a656", kill_on_drop: false }` [INFO] [stdout] 12f0a5159fe6a3356be7723c49d04716d16725496ab65fcdb86e6f899d19a656 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4aa69ffec25cce6b75d54353b03ccf2ef9e094559cde483d47440e5a4448c614 [INFO] running `Command { std: "docker" "start" "-a" "4aa69ffec25cce6b75d54353b03ccf2ef9e094559cde483d47440e5a4448c614", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling wtf8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:103:32 [INFO] [stdout] | [INFO] [stdout] 103 | _ => Some(unsafe { transmute(self.value) }) [INFO] [stdout] | ---------^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `char::from_u32_unchecked` [INFO] [stdout] | [INFO] [stdout] = help: consider using `char::from_u32(…).unwrap()` [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:515:24 [INFO] [stdout] | [INFO] [stdout] 515 | pub fn code_points(&self) -> Wtf8CodePoints { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 515 | pub fn code_points(&self) -> Wtf8CodePoints<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:540:28 [INFO] [stdout] | [INFO] [stdout] 540 | pub fn to_string_lossy(&self) -> Cow { [INFO] [stdout] | ^^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 540 | pub fn to_string_lossy(&self) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:572:32 [INFO] [stdout] | [INFO] [stdout] 572 | pub fn to_ill_formed_utf16(&self) -> IllFormedUtf16CodeUnits { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 572 | pub fn to_ill_formed_utf16(&self) -> IllFormedUtf16CodeUnits<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:648:14 [INFO] [stdout] | [INFO] [stdout] 648 | unsafe { transmute(code_point) } [INFO] [stdout] | ---------^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `char::from_u32_unchecked` [INFO] [stdout] | [INFO] [stdout] = help: consider using `char::from_u32(…).unwrap()` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.57s [INFO] running `Command { std: "docker" "inspect" "4aa69ffec25cce6b75d54353b03ccf2ef9e094559cde483d47440e5a4448c614", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4aa69ffec25cce6b75d54353b03ccf2ef9e094559cde483d47440e5a4448c614", kill_on_drop: false }` [INFO] [stdout] 4aa69ffec25cce6b75d54353b03ccf2ef9e094559cde483d47440e5a4448c614 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 13023ae29212a880b756b45e7b6c961fb6770193fe4a851b306464c596d97736 [INFO] running `Command { std: "docker" "start" "-a" "13023ae29212a880b756b45e7b6c961fb6770193fe4a851b306464c596d97736", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling wtf8 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:103:32 [INFO] [stdout] | [INFO] [stdout] 103 | _ => Some(unsafe { transmute(self.value) }) [INFO] [stdout] | ---------^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `char::from_u32_unchecked` [INFO] [stdout] | [INFO] [stdout] = help: consider using `char::from_u32(…).unwrap()` [INFO] [stdout] = note: `#[warn(unnecessary_transmutes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:515:24 [INFO] [stdout] | [INFO] [stdout] 515 | pub fn code_points(&self) -> Wtf8CodePoints { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 515 | pub fn code_points(&self) -> Wtf8CodePoints<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:540:28 [INFO] [stdout] | [INFO] [stdout] 540 | pub fn to_string_lossy(&self) -> Cow { [INFO] [stdout] | ^^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 540 | pub fn to_string_lossy(&self) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:572:32 [INFO] [stdout] | [INFO] [stdout] 572 | pub fn to_ill_formed_utf16(&self) -> IllFormedUtf16CodeUnits { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 572 | pub fn to_ill_formed_utf16(&self) -> IllFormedUtf16CodeUnits<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:648:14 [INFO] [stdout] | [INFO] [stdout] 648 | unsafe { transmute(code_point) } [INFO] [stdout] | ---------^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `char::from_u32_unchecked` [INFO] [stdout] | [INFO] [stdout] = help: consider using `char::from_u32(…).unwrap()` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `Command { std: "docker" "inspect" "13023ae29212a880b756b45e7b6c961fb6770193fe4a851b306464c596d97736", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13023ae29212a880b756b45e7b6c961fb6770193fe4a851b306464c596d97736", kill_on_drop: false }` [INFO] [stdout] 13023ae29212a880b756b45e7b6c961fb6770193fe4a851b306464c596d97736