[INFO] cloning repository https://github.com/Raclett3/atcoder-rust-snippets
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Raclett3/atcoder-rust-snippets" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRaclett3%2Fatcoder-rust-snippets", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRaclett3%2Fatcoder-rust-snippets'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f48645fa1d232d43c9f0c829955c5876ffc6b4e4
[INFO] checking Raclett3/atcoder-rust-snippets against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRaclett3%2Fatcoder-rust-snippets" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Raclett3/atcoder-rust-snippets on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Raclett3/atcoder-rust-snippets
[INFO] finished tweaking git repo https://github.com/Raclett3/atcoder-rust-snippets
[INFO] tweaked toml for git repo https://github.com/Raclett3/atcoder-rust-snippets written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Raclett3/atcoder-rust-snippets already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c26c57e322fbcb18546d82f4326514da1f67bffef84c7a3274ccee7c11fb7b1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8c26c57e322fbcb18546d82f4326514da1f67bffef84c7a3274ccee7c11fb7b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c26c57e322fbcb18546d82f4326514da1f67bffef84c7a3274ccee7c11fb7b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c26c57e322fbcb18546d82f4326514da1f67bffef84c7a3274ccee7c11fb7b1", kill_on_drop: false }`
[INFO] [stdout] 8c26c57e322fbcb18546d82f4326514da1f67bffef84c7a3274ccee7c11fb7b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a666f1fb4f6a16a70b39cdd7cf0dc7b3f86ce88d49dcff8244b4f9c58d1a7bd1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a666f1fb4f6a16a70b39cdd7cf0dc7b3f86ce88d49dcff8244b4f9c58d1a7bd1", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-snippet v0.4.1
[INFO] [stderr]     Checking snippets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/bits.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / macro_rules! n_bits_range {
[INFO] [stdout] 25 | |     ($bits:expr) => {
[INFO] [stdout] 26 | |         (0..(1 << $bits)).map(Bits)
[INFO] [stdout] 27 | |     };
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/bits.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / macro_rules! n_bits_range {
[INFO] [stdout] 25 | |     ($bits:expr) => {
[INFO] [stdout] 26 | |         (0..(1 << $bits)).map(Bits)
[INFO] [stdout] 27 | |     };
[INFO] [stdout] 28 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Bits`
[INFO] [stdout]  --> src/bits.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Bits(usize);
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `at`
[INFO] [stdout]  --> src/bits.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn at(&self, index: usize) -> bool {
[INFO] [stdout]   |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_bits`
[INFO] [stdout]   --> src/bits.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn set_bits(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `bound`
[INFO] [stdout]  --> src/bound.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn bound<F: Fn(isize) -> bool>(min: isize, max: isize, f: F) -> isize {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `produce`
[INFO] [stdout]   --> src/produce.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn produce<T: Copy, F: Fn(T) -> Option<T>>(init: T, func: F, include_init: bool) -> Produce<T, F> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/geometric.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new(init: isize, ratio: isize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mint`
[INFO] [stdout]  --> src/modint.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn mint(number: usize) -> ModInt {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `ModIntFact`
[INFO] [stdout]    --> src/modint.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub struct ModIntFact {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/modint.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `extend`
[INFO] [stdout]    --> src/modint.rs:128:12
[INFO] [stdout]     |
[INFO] [stdout] 128 |     pub fn extend(&mut self, size: usize) {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fact`
[INFO] [stdout]    --> src/modint.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn fact(&mut self, n: usize) -> ModInt {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `fact_inv`
[INFO] [stdout]    --> src/modint.rs:149:12
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn fact_inv(&mut self, n: usize) -> ModInt {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ncr`
[INFO] [stdout]    --> src/modint.rs:154:12
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn ncr(&mut self, n: usize, r: usize) -> ModInt {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `npr`
[INFO] [stdout]    --> src/modint.rs:158:12
[INFO] [stdout]     |
[INFO] [stdout] 158 |     pub fn npr(&mut self, n: usize, r: usize) -> ModInt {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nhr`
[INFO] [stdout]    --> src/modint.rs:162:12
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub fn nhr(&mut self, n: usize, r: usize) -> ModInt {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/graph.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn new(node_to: usize, cost: isize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Graph`
[INFO] [stdout]   --> src/graph.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub struct Graph {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/graph.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn new(nodes: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `edge_undirected`
[INFO] [stdout]   --> src/graph.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn edge_undirected(&mut self, node_a: usize, node_b: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `edge_directed`
[INFO] [stdout]   --> src/graph.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn edge_directed(&mut self, node_from: usize, node_to: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `edge_undirected_costed`
[INFO] [stdout]   --> src/graph.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub fn edge_undirected_costed(&mut self, node_a: usize, node_b: usize, cost: isize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `edge_directed_costed`
[INFO] [stdout]   --> src/graph.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn edge_directed_costed(&mut self, node_from: usize, node_to: usize, cost: isize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dijkstra`
[INFO] [stdout]   --> src/graph.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn dijkstra(&self, node_from: usize) -> Vec<isize> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `warshall_floyd`
[INFO] [stdout]   --> src/graph.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn warshall_floyd(&self) -> Vec<Vec<isize>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Bits`
[INFO] [stdout]  --> src/bits.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Bits(usize);
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `at`
[INFO] [stdout]  --> src/bits.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn at(&self, index: usize) -> bool {
[INFO] [stdout]   |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_bits`
[INFO] [stdout]   --> src/bits.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn set_bits(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/geometric.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new(init: isize, ratio: isize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `edge_undirected`
[INFO] [stdout]   --> src/graph.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn edge_undirected(&mut self, node_a: usize, node_b: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `edge_directed`
[INFO] [stdout]   --> src/graph.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub fn edge_directed(&mut self, node_from: usize, node_to: usize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `edge_directed_costed`
[INFO] [stdout]   --> src/graph.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn edge_directed_costed(&mut self, node_from: usize, node_to: usize, cost: isize) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "a666f1fb4f6a16a70b39cdd7cf0dc7b3f86ce88d49dcff8244b4f9c58d1a7bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a666f1fb4f6a16a70b39cdd7cf0dc7b3f86ce88d49dcff8244b4f9c58d1a7bd1", kill_on_drop: false }`
[INFO] [stdout] a666f1fb4f6a16a70b39cdd7cf0dc7b3f86ce88d49dcff8244b4f9c58d1a7bd1
