[INFO] cloning repository https://github.com/KisaragiEffective/rust-generic-dp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KisaragiEffective/rust-generic-dp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKisaragiEffective%2Frust-generic-dp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKisaragiEffective%2Frust-generic-dp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1363d18d723211ebec4cf647303e644e72f04e41
[INFO] checking KisaragiEffective/rust-generic-dp/1363d18d723211ebec4cf647303e644e72f04e41 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKisaragiEffective%2Frust-generic-dp" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KisaragiEffective/rust-generic-dp on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KisaragiEffective/rust-generic-dp
[INFO] finished tweaking git repo https://github.com/KisaragiEffective/rust-generic-dp
[INFO] tweaked toml for git repo https://github.com/KisaragiEffective/rust-generic-dp written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/KisaragiEffective/rust-generic-dp 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Updating crates.io index
[INFO] [stderr] Downloading crates ...
[INFO] [stderr] Downloaded non-empty-vec v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 472a1f23caf058e0273a7d69640cbe3b0447817679bc69ce647e8f2e5d40c4e2
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[INFO] running `Command { std: "docker" "rm" "-f" "472a1f23caf058e0273a7d69640cbe3b0447817679bc69ce647e8f2e5d40c4e2", kill_on_drop: false }`
[INFO] [stdout] 472a1f23caf058e0273a7d69640cbe3b0447817679bc69ce647e8f2e5d40c4e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab3a460a47fe56eeb6fa5f47740ed4546e2bf87abb60eda1730031b82c7b7954
[INFO] running `Command { std: "docker" "start" "-a" "ab3a460a47fe56eeb6fa5f47740ed4546e2bf87abb60eda1730031b82c7b7954", kill_on_drop: false }`
[INFO] [stderr] Checking non-empty-vec v0.2.3
[INFO] [stderr] Checking untitled12345 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `NonEmpty` and `ne_vec`
[INFO] [stdout] --> src/test/fib_perf.rs:1:21
[INFO] [stdout] |
[INFO] [stdout] 1 | use non_empty_vec::{ne_vec, NonEmpty};
[INFO] [stdout] | ^^^^^^ ^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused imports: `CacheAll`, `CacheArray`, and `CacheVec`
[INFO] [stdout] --> src/test/fib_perf.rs:2:20
[INFO] [stdout] |
[INFO] [stdout] 2 | use crate::cache::{CacheAll, CacheArray, CacheVec};
[INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^ ^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused import: `crate::collecting::Sum`
[INFO] [stdout] --> src/test/fib_perf.rs:3:5
[INFO] [stdout] |
[INFO] [stdout] 3 | use crate::collecting::Sum;
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused import: `crate::dp::complex::ComplexDP`
[INFO] [stdout] --> src/test/fib_perf.rs:4:5
[INFO] [stdout] |
[INFO] [stdout] 4 | use crate::dp::complex::ComplexDP;
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused import: `crate::dp::get_state::SolverFactory`
[INFO] [stdout] --> src/test/fib_perf.rs:5:5
[INFO] [stdout] |
[INFO] [stdout] 5 | use crate::dp::get_state::SolverFactory;
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused import: `crate::dp::simple_dp`
[INFO] [stdout] --> src/test/fib_perf.rs:6:5
[INFO] [stdout] |
[INFO] [stdout] 6 | use crate::dp::simple_dp;
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused import: `crate::dp::traits::DP`
[INFO] [stdout] --> src/test/fib_perf.rs:7:5
[INFO] [stdout] |
[INFO] [stdout] 7 | use crate::dp::traits::DP;
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused imports: `run_dp` and `run_print_time`
[INFO] [stdout] --> src/test/fib_perf.rs:8:19
[INFO] [stdout] |
[INFO] [stdout] 8 | use crate::test::{run_dp, run_print_time};
[INFO] [stdout] | ^^^^^^ ^^^^^^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: trait `Commutative` is never used
[INFO] [stdout] --> src/collecting.rs:15:11
[INFO] [stdout] |
[INFO] [stdout] 15 | pub trait Commutative {}
[INFO] [stdout] | ^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: trait `Monoid` is never used
[INFO] [stdout] --> src/collecting.rs:23:11
[INFO] [stdout] |
[INFO] [stdout] 23 | pub trait Monoid: Magma {
[INFO] [stdout] | ^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: associated function `new_with_capacity` is never used
[INFO] [stdout] --> src/cache.rs:67:12
[INFO] [stdout] |
[INFO] [stdout] 62 | impl CacheVec {
[INFO] [stdout] | -------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 67 | pub fn new_with_capacity(initial_capacity: usize) -> Self {
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused return value of `Option::::map_or` that must be used
[INFO] [stdout] --> src/dp/get_state.rs:79:9
[INFO] [stdout] |
[INFO] [stdout] 79 | / v.get_value().map_or((), |pa| {
[INFO] [stdout] 80 | | self.update_cache(input, pa);
[INFO] [stdout] 81 | | });
[INFO] [stdout] | |__________^
[INFO] [stdout] |
[INFO] [stdout] = note: if you don't need the returned value, use `if let` instead
[INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout] |
[INFO] [stdout] 79 | let _ = v.get_value().map_or((), |pa| {
[INFO] [stdout] | +++++++
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout] --> src/dp/state.rs:12:21
[INFO] [stdout] |
[INFO] [stdout] 12 | self.deref().deref().get_value()
[INFO] [stdout] | ^^^^^^^^ help: remove this redundant call
[INFO] [stdout] |
[INFO] [stdout] = note: the type `State` does not implement `Deref`, so calling `deref` on `&State` copies the reference, which does not do anything and can be removed
[INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: function `simple_dp` is never used
[INFO] [stdout] --> src/dp.rs:12:8
[INFO] [stdout] |
[INFO] [stdout] 12 | pub fn simple_dp<'dp, I: Copy, R: Copy, M: Copy + Magma, Solver: ProblemProxy, PartialAnswer>, PartialAnswer>(
[INFO] [stdout] | ^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: variants `Intermediate` and `Base` are never constructed
[INFO] [stdout] --> src/dp/complex.rs:26:5
[INFO] [stdout] |
[INFO] [stdout] 25 | pub enum State {
[INFO] [stdout] | ----- variants in this enum
[INFO] [stdout] 26 | Intermediate {
[INFO] [stdout] | ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 | Base {
[INFO] [stdout] | ^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `State` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout] --> src/dp/complex.rs:51:19
[INFO] [stdout] |
[INFO] [stdout] 44 | / impl<
[INFO] [stdout] 45 | | I,
[INFO] [stdout] 46 | | ProbAnswer,
[INFO] [stdout] 47 | | SRI,
[INFO] [stdout] 48 | | PartialProblemAnswerCombiner,
[INFO] [stdout] 49 | | Solver
[INFO] [stdout] 50 | | > ComplexDP {
[INFO] [stdout] | |_____________________________________________________________________- associated function in this implementation
[INFO] [stdout] 51 | pub(crate) fn new(solver: Solver) -> Self {
[INFO] [stdout] | ^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: variants `Base` and `Intermediate` are never constructed
[INFO] [stdout] --> src/dp/simple.rs:62:5
[INFO] [stdout] |
[INFO] [stdout] 61 | pub enum State {
[INFO] [stdout] | ----- variants in this enum
[INFO] [stdout] 62 | Base {
[INFO] [stdout] | ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 | Intermediate {
[INFO] [stdout] | ^^^^^^^^^^^^
[INFO] [stdout] |
[INFO] [stdout] = note: `State` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: struct `SolverFactory` is never constructed
[INFO] [stdout] --> src/dp/get_state.rs:27:12
[INFO] [stdout] |
[INFO] [stdout] 27 | pub struct SolverFactory;
[INFO] [stdout] | ^^^^^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: associated functions `function` and `function_with_cache` are never used
[INFO] [stdout] --> src/dp/get_state.rs:29:12
[INFO] [stdout] |
[INFO] [stdout] 28 | impl SolverFactory {
[INFO] [stdout] | ------------------ associated functions in this implementation
[INFO] [stdout] 29 | pub fn function, PartialAnswer>(f: impl Fn(Input) -> State) -> impl ProblemProxy src/dp/get_state.rs:46:8
[INFO] [stdout] |
[INFO] [stdout] 46 | struct Function State, Input, State: StateExtractor, PA>(F, PhantomData<(Input, State, PA)>);
[INFO] [stdout] | ^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: struct `FunctionWithCache` is never constructed
[INFO] [stdout] --> src/dp/get_state.rs:63:8
[INFO] [stdout] |
[INFO] [stdout] 63 | struct FunctionWithCache State, CP: ArbitraryScopeCachePolicy, Input, State, PartialAnswer> {
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: trait `Commutative` is never used
[INFO] [stdout] --> src/collecting.rs:15:11
[INFO] [stdout] |
[INFO] [stdout] 15 | pub trait Commutative {}
[INFO] [stdout] | ^^^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: trait `Monoid` is never used
[INFO] [stdout] --> src/collecting.rs:23:11
[INFO] [stdout] |
[INFO] [stdout] 23 | pub trait Monoid: Magma {
[INFO] [stdout] | ^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout] --> src/collecting.rs:31:19
[INFO] [stdout] |
[INFO] [stdout] 30 | impl Sum {
[INFO] [stdout] | -------------- associated function in this implementation
[INFO] [stdout] 31 | pub(crate) fn new() -> Self {
[INFO] [stdout] | ^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: methods `get` and `set` are never used
[INFO] [stdout] --> src/cache.rs:22:8
[INFO] [stdout] |
[INFO] [stdout] 21 | pub trait ScopedCachePolicy<'a, K, V> {
[INFO] [stdout] | ----------------- methods in this trait
[INFO] [stdout] 22 | fn get(&'a self, k: &K) -> Option<&'a V>;
[INFO] [stdout] | ^^^
[INFO] [stdout] 23 | fn set(&'a mut self, k: K, v: V);
[INFO] [stdout] | ^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout] --> src/cache.rs:31:12
[INFO] [stdout] |
[INFO] [stdout] 30 | impl CacheAll {
[INFO] [stdout] | ------------------------- associated function in this implementation
[INFO] [stdout] 31 | pub fn new() -> Self {
[INFO] [stdout] | ^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: associated functions `new` and `new_with_capacity` are never used
[INFO] [stdout] --> src/cache.rs:63:12
[INFO] [stdout] |
[INFO] [stdout] 62 | impl CacheVec {
[INFO] [stdout] | -------------------- associated functions in this implementation
[INFO] [stdout] 63 | pub fn new() -> Self {
[INFO] [stdout] | ^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 | pub fn new_with_capacity(initial_capacity: usize) -> Self {
[INFO] [stdout] | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: function `run_print_time` is never used
[INFO] [stdout] --> src/test.rs:9:8
[INFO] [stdout] |
[INFO] [stdout] 9 | pub fn run_print_time<'a, F: 'a + FnOnce() -> T, T>(message: &'a (impl Display + ?Sized), f: F) -> T {
[INFO] [stdout] | ^^^^^^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: function `run_dp` is never used
[INFO] [stdout] --> src/test.rs:18:4
[INFO] [stdout] |
[INFO] [stdout] 18 | fn run_dp<'a, Index, Output: 'a + Display>(index: Index, dp: &'a (impl DP<'a, Index, Output> + 'a)) {
[INFO] [stdout] | ^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: function `inner_test` is never used
[INFO] [stdout] --> src/test/yukicoder/p44.rs:18:4
[INFO] [stdout] |
[INFO] [stdout] 18 | fn inner_test(index: usize) -> u64 {
[INFO] [stdout] | ^^^^^^^^^^
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: unused return value of `Option::::map_or` that must be used
[INFO] [stdout] --> src/dp/get_state.rs:79:9
[INFO] [stdout] |
[INFO] [stdout] 79 | / v.get_value().map_or((), |pa| {
[INFO] [stdout] 80 | | self.update_cache(input, pa);
[INFO] [stdout] 81 | | });
[INFO] [stdout] | |__________^
[INFO] [stdout] |
[INFO] [stdout] = note: if you don't need the returned value, use `if let` instead
[INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout] |
[INFO] [stdout] 79 | let _ = v.get_value().map_or((), |pa| {
[INFO] [stdout] | +++++++
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: call to `.deref()` on a reference in this situation does nothing
[INFO] [stdout] --> src/dp/state.rs:12:21
[INFO] [stdout] |
[INFO] [stdout] 12 | self.deref().deref().get_value()
[INFO] [stdout] | ^^^^^^^^ help: remove this redundant call
[INFO] [stdout] |
[INFO] [stdout] = note: the type `State` does not implement `Deref`, so calling `deref` on `&State` copies the reference, which does not do anything and can be removed
[INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: 27 warnings emitted
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "ab3a460a47fe56eeb6fa5f47740ed4546e2bf87abb60eda1730031b82c7b7954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab3a460a47fe56eeb6fa5f47740ed4546e2bf87abb60eda1730031b82c7b7954", kill_on_drop: false }`
[INFO] [stdout] ab3a460a47fe56eeb6fa5f47740ed4546e2bf87abb60eda1730031b82c7b7954