[INFO] cloning repository https://github.com/dplusic/leetcode-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dplusic/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdplusic%2Fleetcode-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdplusic%2Fleetcode-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ba80fd1fbe4936accdaf8644b075bd28983661ef [INFO] checking dplusic/leetcode-rust against try#0c70cfbec949d241375e31c5a42066be70c720fc for pr-149681 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdplusic%2Fleetcode-rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/dplusic/leetcode-rust [INFO] finished tweaking git repo https://github.com/dplusic/leetcode-rust [INFO] tweaked toml for git repo https://github.com/dplusic/leetcode-rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/dplusic/leetcode-rust on toolchain 0c70cfbec949d241375e31c5a42066be70c720fc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/dplusic/leetcode-rust 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" "+0c70cfbec949d241375e31c5a42066be70c720fc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] acc408f94e16511f07ce6bd3fd1848f3ac4cabea9ebe2edf016e57fecf1c7967 [INFO] running `Command { std: "docker" "start" "-a" "acc408f94e16511f07ce6bd3fd1848f3ac4cabea9ebe2edf016e57fecf1c7967", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "acc408f94e16511f07ce6bd3fd1848f3ac4cabea9ebe2edf016e57fecf1c7967", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "acc408f94e16511f07ce6bd3fd1848f3ac4cabea9ebe2edf016e57fecf1c7967", kill_on_drop: false }` [INFO] [stdout] acc408f94e16511f07ce6bd3fd1848f3ac4cabea9ebe2edf016e57fecf1c7967 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0c70cfbec949d241375e31c5a42066be70c720fc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c3023ab46f654d41ae7f3a82bfd356cb860aa527cf44305dca1f5c34d23cf235 [INFO] running `Command { std: "docker" "start" "-a" "c3023ab46f654d41ae7f3a82bfd356cb860aa527cf44305dca1f5c34d23cf235", kill_on_drop: false }` [INFO] [stderr] Checking leetcode-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/n0679_24_game.rs:25:75 [INFO] [stdout] | [INFO] [stdout] 25 | for operator_placement in OPERATOR_PLACEMENT_COMBINATIONS.into_iter() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 25 - for operator_placement in OPERATOR_PLACEMENT_COMBINATIONS.into_iter() { [INFO] [stdout] 25 + for operator_placement in OPERATOR_PLACEMENT_COMBINATIONS.iter() { [INFO] [stdout] | [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 25 - for operator_placement in OPERATOR_PLACEMENT_COMBINATIONS.into_iter() { [INFO] [stdout] 25 + for operator_placement in OPERATOR_PLACEMENT_COMBINATIONS { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/n0731_my_calendar_ii.rs:79:17 [INFO] [stdout] | [INFO] [stdout] 79 | time_slots: &BTreeMap, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 83 | std::option::IntoIter<(&Start, &TimeSlot)>, [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the same lifetime is elided here [INFO] [stdout] 84 | std::collections::btree_map::Range, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 84 | std::collections::btree_map::Range<'_, Start, TimeSlot>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to `<[T; N] as IntoIterator>::into_iter` in Rust 2021 [INFO] [stdout] --> src/n0679_24_game.rs:25:75 [INFO] [stdout] | [INFO] [stdout] 25 | for operator_placement in OPERATOR_PLACEMENT_COMBINATIONS.into_iter() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 25 - for operator_placement in OPERATOR_PLACEMENT_COMBINATIONS.into_iter() { [INFO] [stdout] 25 + for operator_placement in OPERATOR_PLACEMENT_COMBINATIONS.iter() { [INFO] [stdout] | [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 25 - for operator_placement in OPERATOR_PLACEMENT_COMBINATIONS.into_iter() { [INFO] [stdout] 25 + for operator_placement in OPERATOR_PLACEMENT_COMBINATIONS { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/n0731_my_calendar_ii.rs:79:17 [INFO] [stdout] | [INFO] [stdout] 79 | time_slots: &BTreeMap, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 83 | std::option::IntoIter<(&Start, &TimeSlot)>, [INFO] [stdout] | ^^^^^^ ^^^^^^^^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the same lifetime is elided here [INFO] [stdout] 84 | std::collections::btree_map::Range, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 84 | std::collections::btree_map::Range<'_, Start, TimeSlot>, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s [INFO] running `Command { std: "docker" "inspect" "c3023ab46f654d41ae7f3a82bfd356cb860aa527cf44305dca1f5c34d23cf235", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3023ab46f654d41ae7f3a82bfd356cb860aa527cf44305dca1f5c34d23cf235", kill_on_drop: false }` [INFO] [stdout] c3023ab46f654d41ae7f3a82bfd356cb860aa527cf44305dca1f5c34d23cf235