[INFO] cloning repository https://github.com/cottonguard/kyopro-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cottonguard/kyopro-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcottonguard%2Fkyopro-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcottonguard%2Fkyopro-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 332c03fb6adb5d4cd12043ad77725bd4c189ab54 [INFO] checking cottonguard/kyopro-rust against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcottonguard%2Fkyopro-rust" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/cottonguard/kyopro-rust [INFO] finished tweaking git repo https://github.com/cottonguard/kyopro-rust [INFO] tweaked toml for git repo https://github.com/cottonguard/kyopro-rust written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/cottonguard/kyopro-rust on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/cottonguard/kyopro-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0129ddb8327d3de66959c4730c9fd894686e35ba1dc4fd2f9fc460306abc2e43 [INFO] running `Command { std: "docker" "start" "-a" "0129ddb8327d3de66959c4730c9fd894686e35ba1dc4fd2f9fc460306abc2e43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0129ddb8327d3de66959c4730c9fd894686e35ba1dc4fd2f9fc460306abc2e43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0129ddb8327d3de66959c4730c9fd894686e35ba1dc4fd2f9fc460306abc2e43", kill_on_drop: false }` [INFO] [stdout] 0129ddb8327d3de66959c4730c9fd894686e35ba1dc4fd2f9fc460306abc2e43 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 101a1a7bff1a60181b87c871ef9611cbb77b02e84bbc4df6e6aca4606fb02790 [INFO] running `Command { std: "docker" "start" "-a" "101a1a7bff1a60181b87c871ef9611cbb77b02e84bbc4df6e6aca4606fb02790", kill_on_drop: false }` [INFO] [stderr] Checking kyopro v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait `OrdExt` is never used [INFO] [stdout] --> src/libs/util.rs:1:7 [INFO] [stdout] | [INFO] [stdout] 1 | trait OrdExt: Ord + Sized { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CmpKey` is never constructed [INFO] [stdout] --> src/libs/util.rs:64:8 [INFO] [stdout] | [INFO] [stdout] 64 | struct CmpKey(T, U); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `OrdF32` is never constructed [INFO] [stdout] --> src/libs/util.rs:83:8 [INFO] [stdout] | [INFO] [stdout] 83 | struct OrdF32(f32); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/libs/graph/mod.rs:20:18 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn edges(&self) -> Edges { [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] 20 | pub fn edges(&self) -> Edges<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/libs/graph/mod.rs:88:18 [INFO] [stdout] | [INFO] [stdout] 88 | pub fn edges(&self) -> LabeledEdges { [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] 88 | pub fn edges(&self) -> LabeledEdges<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/libs/graph/wip.rs:10:17 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn iter(&self) -> AdjListIter { [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] 10 | pub fn iter(&self) -> AdjListIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/libs/io/input.rs:17:27 [INFO] [stdout] | [INFO] [stdout] 17 | fn iter(&mut self) -> Iter { [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] 17 | fn iter(&mut self) -> Iter<'_, T, Self> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/libs/io/input.rs:101:17 [INFO] [stdout] | [INFO] [stdout] 101 | src.str().parse::<$T>().unwrap() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 106 | from_str!(String char bool f32 f64); [INFO] [stdout] | ----------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the macro `from_str` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `kyopro` (lib) due to 1 previous error; 7 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: trait `OrdExt` is never used [INFO] [stdout] --> src/libs/util.rs:1:7 [INFO] [stdout] | [INFO] [stdout] 1 | trait OrdExt: Ord + Sized { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `CmpKey` is never constructed [INFO] [stdout] --> src/libs/util.rs:64:8 [INFO] [stdout] | [INFO] [stdout] 64 | struct CmpKey(T, U); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `OrdF32` is never constructed [INFO] [stdout] --> src/libs/util.rs:83:8 [INFO] [stdout] | [INFO] [stdout] 83 | struct OrdF32(f32); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item [INFO] [stdout] --> src/libs/data_structure/tests.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 71 | fn seg_tree_max() { [INFO] [stdout] | ----------------- move the `impl` block outside of this function `seg_tree_max` [INFO] [stdout] 72 | impl Monoid for u32 { [INFO] [stdout] | ^^^^^------^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | `Monoid` is not local [INFO] [stdout] | [INFO] [stdout] = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl` [INFO] [stdout] = note: `#[warn(non_local_definitions)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/libs/graph/mod.rs:20:18 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn edges(&self) -> Edges { [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] 20 | pub fn edges(&self) -> Edges<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/libs/graph/mod.rs:88:18 [INFO] [stdout] | [INFO] [stdout] 88 | pub fn edges(&self) -> LabeledEdges { [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] 88 | pub fn edges(&self) -> LabeledEdges<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/libs/graph/wip.rs:10:17 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn iter(&self) -> AdjListIter { [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] 10 | pub fn iter(&self) -> AdjListIter<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/libs/io/input.rs:17:27 [INFO] [stdout] | [INFO] [stdout] 17 | fn iter(&mut self) -> Iter { [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] 17 | fn iter(&mut self) -> Iter<'_, T, Self> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/libs/io/input.rs:101:17 [INFO] [stdout] | [INFO] [stdout] 101 | src.str().parse::<$T>().unwrap() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 106 | from_str!(String char bool f32 f64); [INFO] [stdout] | ----------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] = note: this error originates in the macro `from_str` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `kyopro` (lib test) due to 1 previous error; 8 warnings emitted [INFO] running `Command { std: "docker" "inspect" "101a1a7bff1a60181b87c871ef9611cbb77b02e84bbc4df6e6aca4606fb02790", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "101a1a7bff1a60181b87c871ef9611cbb77b02e84bbc4df6e6aca4606fb02790", kill_on_drop: false }` [INFO] [stdout] 101a1a7bff1a60181b87c871ef9611cbb77b02e84bbc4df6e6aca4606fb02790