[INFO] cloning repository https://github.com/pmarcelll/havlak-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pmarcelll/havlak-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmarcelll%2Fhavlak-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmarcelll%2Fhavlak-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8b91943907597aa2f9205739b663dd390230e39b [INFO] testing pmarcelll/havlak-rs against try#c066bf6804adc55193b71afdff6a56922f4a8689+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmarcelll%2Fhavlak-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/pmarcelll/havlak-rs [INFO] finished tweaking git repo https://github.com/pmarcelll/havlak-rs [INFO] tweaked toml for git repo https://github.com/pmarcelll/havlak-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/pmarcelll/havlak-rs on toolchain c066bf6804adc55193b71afdff6a56922f4a8689 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/pmarcelll/havlak-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [INFO] testing pmarcelll/havlak-rs against try#c066bf6804adc55193b71afdff6a56922f4a8689+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmarcelll%2Fhavlak-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/pmarcelll/havlak-rs [INFO] finished tweaking git repo https://github.com/pmarcelll/havlak-rs [INFO] tweaked toml for git repo https://github.com/pmarcelll/havlak-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/pmarcelll/havlak-rs on toolchain c066bf6804adc55193b71afdff6a56922f4a8689 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/pmarcelll/havlak-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded typed-arena v1.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8958cfca26601ffb3b90014e38d4c542a96a079826b7891da83767444fc6ff3d [INFO] running `Command { std: "docker" "start" "-a" "8958cfca26601ffb3b90014e38d4c542a96a079826b7891da83767444fc6ff3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8958cfca26601ffb3b90014e38d4c542a96a079826b7891da83767444fc6ff3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8958cfca26601ffb3b90014e38d4c542a96a079826b7891da83767444fc6ff3d", kill_on_drop: false }` [INFO] [stdout] 8958cfca26601ffb3b90014e38d4c542a96a079826b7891da83767444fc6ff3d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c066bf6804adc55193b71afdff6a56922f4a8689" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 0c33c342661a36ba4df95c158fa664c5b3e19c0bc7557d7bad32a32298330c5d [INFO] running `Command { std: "docker" "start" "-a" "0c33c342661a36ba4df95c158fa664c5b3e19c0bc7557d7bad32a32298330c5d", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling typed-arena v1.1.0 [INFO] [stderr] Compiling havlak v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type annotations needed [INFO] [stdout] --> src/main.rs:41:33 [INFO] [stdout] | [INFO] [stdout] 41 | Some((self as *const _).cmp(&(other as *const _))) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #46906 [INFO] [stdout] = note: `#[warn(tyvar_behind_raw_pointer)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/main.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 55 | struct BasicBlock<'a> { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 56 | pub name: i32, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `is_root`, `is_reducible`, and `depth_level` are never read [INFO] [stdout] --> src/main.rs:142:5 [INFO] [stdout] | [INFO] [stdout] 138 | struct SimpleLoop<'a, 'b: 'a> { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 142 | is_root: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 143 | is_reducible: bool, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 146 | depth_level: i32 [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Top` and `Last` are never constructed [INFO] [stdout] --> src/main.rs:283:5 [INFO] [stdout] | [INFO] [stdout] 282 | enum BasicBlockClass { [INFO] [stdout] | --------------- variants in this enum [INFO] [stdout] 283 | Top, [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 289 | Last, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BasicBlockClass` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/main.rs:20:15 [INFO] [stdout] | [INFO] [stdout] 20 | fn borrow(&self) -> Ref { [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] 20 | fn borrow(&self) -> Ref<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/main.rs:24:19 [INFO] [stdout] | [INFO] [stdout] 24 | fn borrow_mut(&self) -> RefMut { [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] 24 | fn borrow_mut(&self) -> RefMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.66s [INFO] running `Command { std: "docker" "inspect" "0c33c342661a36ba4df95c158fa664c5b3e19c0bc7557d7bad32a32298330c5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c33c342661a36ba4df95c158fa664c5b3e19c0bc7557d7bad32a32298330c5d", kill_on_drop: false }` [INFO] [stdout] 0c33c342661a36ba4df95c158fa664c5b3e19c0bc7557d7bad32a32298330c5d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c066bf6804adc55193b71afdff6a56922f4a8689" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 7ea64446d0bee9fb1133509ee6ec472abf75fb1c125a010e3dd7e79f0fa7ace1 [INFO] running `Command { std: "docker" "start" "-a" "7ea64446d0bee9fb1133509ee6ec472abf75fb1c125a010e3dd7e79f0fa7ace1", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling havlak v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type annotations needed [INFO] [stdout] --> src/main.rs:41:33 [INFO] [stdout] | [INFO] [stdout] 41 | Some((self as *const _).cmp(&(other as *const _))) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #46906 [INFO] [stdout] = note: `#[warn(tyvar_behind_raw_pointer)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/main.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 55 | struct BasicBlock<'a> { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 56 | pub name: i32, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `is_root`, `is_reducible`, and `depth_level` are never read [INFO] [stdout] --> src/main.rs:142:5 [INFO] [stdout] | [INFO] [stdout] 138 | struct SimpleLoop<'a, 'b: 'a> { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 142 | is_root: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 143 | is_reducible: bool, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 146 | depth_level: i32 [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Top` and `Last` are never constructed [INFO] [stdout] --> src/main.rs:283:5 [INFO] [stdout] | [INFO] [stdout] 282 | enum BasicBlockClass { [INFO] [stdout] | --------------- variants in this enum [INFO] [stdout] 283 | Top, [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 289 | Last, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BasicBlockClass` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/main.rs:20:15 [INFO] [stdout] | [INFO] [stdout] 20 | fn borrow(&self) -> Ref { [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] 20 | fn borrow(&self) -> Ref<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/main.rs:24:19 [INFO] [stdout] | [INFO] [stdout] 24 | fn borrow_mut(&self) -> RefMut { [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] 24 | fn borrow_mut(&self) -> RefMut<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `Command { std: "docker" "inspect" "7ea64446d0bee9fb1133509ee6ec472abf75fb1c125a010e3dd7e79f0fa7ace1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ea64446d0bee9fb1133509ee6ec472abf75fb1c125a010e3dd7e79f0fa7ace1", kill_on_drop: false }` [INFO] [stdout] 7ea64446d0bee9fb1133509ee6ec472abf75fb1c125a010e3dd7e79f0fa7ace1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+c066bf6804adc55193b71afdff6a56922f4a8689" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] ac068ea588bd4700afd6a58786c0fa763bf2303f6fd9b211dae876d6f8505e44 [INFO] running `Command { std: "docker" "start" "-a" "ac068ea588bd4700afd6a58786c0fa763bf2303f6fd9b211dae876d6f8505e44", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: type annotations needed [INFO] [stderr] --> src/main.rs:41:33 [INFO] [stderr] | [INFO] [stderr] 41 | Some((self as *const _).cmp(&(other as *const _))) [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stderr] = note: for more information, see issue #46906 [INFO] [stderr] = note: `#[warn(tyvar_behind_raw_pointer)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field `name` is never read [INFO] [stderr] --> src/main.rs:56:9 [INFO] [stderr] | [INFO] [stderr] 55 | struct BasicBlock<'a> { [INFO] [stderr] | ---------- field in this struct [INFO] [stderr] 56 | pub name: i32, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: fields `is_root`, `is_reducible`, and `depth_level` are never read [INFO] [stderr] --> src/main.rs:142:5 [INFO] [stderr] | [INFO] [stderr] 138 | struct SimpleLoop<'a, 'b: 'a> { [INFO] [stderr] | ---------- fields in this struct [INFO] [stderr] ... [INFO] [stderr] 142 | is_root: bool, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] 143 | is_reducible: bool, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 146 | depth_level: i32 [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variants `Top` and `Last` are never constructed [INFO] [stderr] --> src/main.rs:283:5 [INFO] [stderr] | [INFO] [stderr] 282 | enum BasicBlockClass { [INFO] [stderr] | --------------- variants in this enum [INFO] [stderr] 283 | Top, [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 289 | Last, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `BasicBlockClass` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/main.rs:20:15 [INFO] [stderr] | [INFO] [stderr] 20 | fn borrow(&self) -> Ref { [INFO] [stderr] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 20 | fn borrow(&self) -> Ref<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/main.rs:24:19 [INFO] [stderr] | [INFO] [stderr] 24 | fn borrow_mut(&self) -> RefMut { [INFO] [stderr] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 24 | fn borrow_mut(&self) -> RefMut<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `havlak` (bin "havlak" test) generated 6 warnings (run `cargo fix --bin "havlak" --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/havlak-d2ae671e1b91fd0b) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "ac068ea588bd4700afd6a58786c0fa763bf2303f6fd9b211dae876d6f8505e44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac068ea588bd4700afd6a58786c0fa763bf2303f6fd9b211dae876d6f8505e44", kill_on_drop: false }` [INFO] [stdout] ac068ea588bd4700afd6a58786c0fa763bf2303f6fd9b211dae876d6f8505e44