[INFO] fetching crate wtf8 0.1.0...
[INFO] checking wtf8-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[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 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd8f0073daace038f24dea5a5909ae62b4ce0a1096dc76ca0039337892650c6c
[INFO] running `Command { std: "docker" "start" "-a" "bd8f0073daace038f24dea5a5909ae62b4ce0a1096dc76ca0039337892650c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd8f0073daace038f24dea5a5909ae62b4ce0a1096dc76ca0039337892650c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd8f0073daace038f24dea5a5909ae62b4ce0a1096dc76ca0039337892650c6c", kill_on_drop: false }`
[INFO] [stdout] bd8f0073daace038f24dea5a5909ae62b4ce0a1096dc76ca0039337892650c6c
[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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a6bbfd696e47fe048d20405bd1c498c72eb1af2107922c981cb45cd3bcf1aa3
[INFO] running `Command { std: "docker" "start" "-a" "9a6bbfd696e47fe048d20405bd1c498c72eb1af2107922c981cb45cd3bcf1aa3", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking 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: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:515:24
[INFO] [stdout]     |
[INFO] [stdout] 515 |     pub fn code_points(&self) -> Wtf8CodePoints {
[INFO] [stdout]     |                        ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 515 |     pub fn code_points(&self) -> Wtf8CodePoints<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:540:28
[INFO] [stdout]     |
[INFO] [stdout] 540 |     pub fn to_string_lossy(&self) -> Cow<str> {
[INFO] [stdout]     |                            ^^^^^     -------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 540 |     pub fn to_string_lossy(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:572:32
[INFO] [stdout]     |
[INFO] [stdout] 572 |     pub fn to_ill_formed_utf16(&self) -> IllFormedUtf16CodeUnits {
[INFO] [stdout]     |                                ^^^^^     ----------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for 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] [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: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:515:24
[INFO] [stdout]     |
[INFO] [stdout] 515 |     pub fn code_points(&self) -> Wtf8CodePoints {
[INFO] [stdout]     |                        ^^^^^     -------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 515 |     pub fn code_points(&self) -> Wtf8CodePoints<'_> {
[INFO] [stdout]     |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:540:28
[INFO] [stdout]     |
[INFO] [stdout] 540 |     pub fn to_string_lossy(&self) -> Cow<str> {
[INFO] [stdout]     |                            ^^^^^     -------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 540 |     pub fn to_string_lossy(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/lib.rs:572:32
[INFO] [stdout]     |
[INFO] [stdout] 572 |     pub fn to_ill_formed_utf16(&self) -> IllFormedUtf16CodeUnits {
[INFO] [stdout]     |                                ^^^^^     ----------------------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for 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 0.38s
[INFO] running `Command { std: "docker" "inspect" "9a6bbfd696e47fe048d20405bd1c498c72eb1af2107922c981cb45cd3bcf1aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a6bbfd696e47fe048d20405bd1c498c72eb1af2107922c981cb45cd3bcf1aa3", kill_on_drop: false }`
[INFO] [stdout] 9a6bbfd696e47fe048d20405bd1c498c72eb1af2107922c981cb45cd3bcf1aa3