[INFO] cloning repository https://github.com/gushernobindsme/rust-typical90
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gushernobindsme/rust-typical90" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgushernobindsme%2Frust-typical90", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgushernobindsme%2Frust-typical90'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8255779058f7143aa42e25a8e8e15047d1fdde6b
[INFO] linting gushernobindsme/rust-typical90 against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgushernobindsme%2Frust-typical90" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/gushernobindsme/rust-typical90
[INFO] finished tweaking git repo https://github.com/gushernobindsme/rust-typical90
[INFO] tweaked toml for git repo https://github.com/gushernobindsme/rust-typical90 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gushernobindsme/rust-typical90 on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gushernobindsme/rust-typical90 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" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proconio-derive v0.1.9
[INFO] [stderr]   Downloaded proconio v0.3.6
[INFO] [stderr]   Downloaded cli_test_dir v0.1.7
[INFO] [stderr]   Downloaded petgraph v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stdout] 630a5c44366c0a7e3abc7a7e81107dd4cd1bf5c67ba2a98bd4ce8d1712246a8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24e058f8923723453026de8f125f723f1e70127648c16d2225aa66186f4318af
[INFO] running `Command { std: "docker" "start" "-a" "24e058f8923723453026de8f125f723f1e70127648c16d2225aa66186f4318af", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking cli_test_dir v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling proconio-derive v0.1.9
[INFO] [stderr]     Checking proconio v0.3.6
[INFO] [stderr]     Checking q-027 v0.1.0 (/opt/rustwide/workdir/q-027)
[INFO] [stderr]     Checking q-067 v0.1.0 (/opt/rustwide/workdir/q-067)
[INFO] [stderr]     Checking q-020 v0.1.0 (/opt/rustwide/workdir/q-020)
[INFO] [stderr]     Checking q-024 v0.1.0 (/opt/rustwide/workdir/q-024)
[INFO] [stderr]     Checking q-014 v0.1.0 (/opt/rustwide/workdir/q-014)
[INFO] [stderr]     Checking q-033 v0.1.0 (/opt/rustwide/workdir/q-033)
[INFO] [stderr]     Checking q-055 v0.1.0 (/opt/rustwide/workdir/q-055)
[INFO] [stderr]     Checking q-010 v0.1.0 (/opt/rustwide/workdir/q-010)
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]  --> q-067/tests/sample_inputs.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | const BIN: &'static str = "./main";
[INFO] [stdout]   |            -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout]   = note: `#[warn(clippy::redundant_static_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]  --> q-033/tests/sample_inputs.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | const BIN: &'static str = "./main";
[INFO] [stdout]   |            -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout]   = note: `#[warn(clippy::redundant_static_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]  --> q-055/tests/sample_inputs.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | const BIN: &'static str = "./main";
[INFO] [stdout]   |            -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout]   = note: `#[warn(clippy::redundant_static_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking q-022 v0.1.0 (/opt/rustwide/workdir/q-022)
[INFO] [stderr]     Checking q-007 v0.1.0 (/opt/rustwide/workdir/q-007)
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> q-024/src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     return true;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 33 -     return true;
[INFO] [stdout] 33 +     true
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking q-016 v0.1.0 (/opt/rustwide/workdir/q-016)
[INFO] [stdout] warning: consider using `sort_by_key`
[INFO] [stdout]   --> q-027/src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     vec.sort_by(|a, b| a.1.cmp(&b.1));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_sort_by
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_sort_by)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 21 -     vec.sort_by(|a, b| a.1.cmp(&b.1));
[INFO] [stdout] 21 +     vec.sort_by_key(|a| a.1);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]   --> q-016/src/main.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut answer = std::i64::MAX;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout]    = note: `#[warn(clippy::legacy_numeric_constants)]` on by default
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]    |
[INFO] [stdout] 11 -     let mut answer = std::i64::MAX;
[INFO] [stdout] 11 +     let mut answer = i64::MAX;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]  --> q-027/tests/sample_inputs.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | const BIN: &'static str = "./main";
[INFO] [stdout]   |            -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout]   = note: `#[warn(clippy::redundant_static_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of a legacy numeric constant
[INFO] [stdout]   --> q-016/src/main.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let mut answer = std::i64::MAX;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants
[INFO] [stdout]    = note: `#[warn(clippy::legacy_numeric_constants)]` on by default
[INFO] [stdout] help: use the associated constant instead
[INFO] [stdout]    |
[INFO] [stdout] 11 -     let mut answer = std::i64::MAX;
[INFO] [stdout] 11 +     let mut answer = i64::MAX;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking q-004 v0.1.0 (/opt/rustwide/workdir/q-004)
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> q-024/src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     return true;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 33 -     return true;
[INFO] [stdout] 33 +     true
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> q-067/src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     return result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 30 -     return result;
[INFO] [stdout] 30 +     result
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> q-067/src/main.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |         if !(n > 0) {
[INFO] [stdout]    |            ^^^^^^^^ help: try: `(n <= 0)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> q-067/src/main.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     return result.into_iter().collect::<String>();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 46 -     return result.into_iter().collect::<String>();
[INFO] [stdout] 46 +     result.into_iter().collect::<String>()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> q-067/src/main.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     return n.replace("8", "5").chars().collect();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 51 -     return n.replace("8", "5").chars().collect();
[INFO] [stdout] 51 +     n.replace("8", "5").chars().collect()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manually reimplementing `div_ceil`
[INFO] [stdout]   --> q-033/src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         ((h + 1) / 2) * ((w + 1) / 2)
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: consider using `.div_ceil()`: `h.div_ceil(2)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_div_ceil
[INFO] [stdout]    = note: `#[warn(clippy::manual_div_ceil)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manually reimplementing `div_ceil`
[INFO] [stdout]   --> q-033/src/main.rs:34:25
[INFO] [stdout]    |
[INFO] [stdout] 34 |         ((h + 1) / 2) * ((w + 1) / 2)
[INFO] [stdout]    |                         ^^^^^^^^^^^^^ help: consider using `.div_ceil()`: `w.div_ceil(2)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_div_ceil
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking q-061 v0.1.0 (/opt/rustwide/workdir/q-061)
[INFO] [stderr]     Checking q-002 v0.1.0 (/opt/rustwide/workdir/q-002)
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]  --> q-010/tests/sample_inputs.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | const BIN: &'static str = "./main";
[INFO] [stdout]   |            -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout]   = note: `#[warn(clippy::redundant_static_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `a`
[INFO] [stdout]   --> q-004/src/main.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |     for i in 0..h {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]    = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 16 -     for i in 0..h {
[INFO] [stdout] 16 +     for (i, <item>) in a.iter().enumerate().take(h) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is used to index `a`
[INFO] [stdout]   --> q-004/src/main.rs:18:18
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for j in 0..w {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 18 -         for j in 0..w {
[INFO] [stdout] 18 +         for (j, <item>) in a.iter().enumerate().take(w) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `a`
[INFO] [stdout]   --> q-004/src/main.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 |     for i in 0..h {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 24 -     for i in 0..h {
[INFO] [stdout] 24 +     for (i, <item>) in a.iter().enumerate().take(h) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is used to index `a`
[INFO] [stdout]   --> q-004/src/main.rs:26:18
[INFO] [stdout]    |
[INFO] [stdout] 26 |         for j in 0..w {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 26 -         for j in 0..w {
[INFO] [stdout] 26 +         for (j, <item>) in a.iter().enumerate().take(w) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `answers`
[INFO] [stdout]   --> q-004/src/main.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |     for i in 0..h {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 34 -     for i in 0..h {
[INFO] [stdout] 34 +     for <item> in answers.iter().take(h) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: consider using `sort_by_key`
[INFO] [stdout]   --> q-027/src/main.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     vec.sort_by(|a, b| a.1.cmp(&b.1));
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_sort_by
[INFO] [stdout]    = note: `#[warn(clippy::unnecessary_sort_by)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]    |
[INFO] [stdout] 21 -     vec.sort_by(|a, b| a.1.cmp(&b.1));
[INFO] [stdout] 21 +     vec.sort_by_key(|a| a.1);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> q-055/src/main.rs:24:29
[INFO] [stdout]    |
[INFO] [stdout] 24 | ...                   answer = answer + 1;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^ help: replace it with: `answer += 1`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]    = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking q-078 v0.1.0 (/opt/rustwide/workdir/q-078)
[INFO] [stdout] warning: the loop variable `i` is only used to index `tx`
[INFO] [stdout]   --> q-061/src/main.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |     for i in 0..q {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]    = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 14 -     for i in 0..q {
[INFO] [stdout] 14 +     for <item> in tx.iter().take(q) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> q-067/src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     return result;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout]    = note: `#[warn(clippy::needless_return)]` on by default
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 30 -     return result;
[INFO] [stdout] 30 +     result
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> q-067/src/main.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |         if !(n > 0) {
[INFO] [stdout]    |            ^^^^^^^^ help: try: `(n <= 0)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> q-067/src/main.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     return result.into_iter().collect::<String>();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 46 -     return result.into_iter().collect::<String>();
[INFO] [stdout] 46 +     result.into_iter().collect::<String>()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unneeded `return` statement
[INFO] [stdout]   --> q-067/src/main.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     return n.replace("8", "5").chars().collect();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stdout] help: remove `return`
[INFO] [stdout]    |
[INFO] [stdout] 51 -     return n.replace("8", "5").chars().collect();
[INFO] [stdout] 51 +     n.replace("8", "5").chars().collect()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> q-078/src/main.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             answer = answer + 1
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^ help: replace it with: `answer += 1`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]    = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> q-055/src/main.rs:24:29
[INFO] [stdout]    |
[INFO] [stdout] 24 | ...                   answer = answer + 1;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^ help: replace it with: `answer += 1`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]    = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]  --> q-078/tests/sample_inputs.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | const BIN: &'static str = "./main";
[INFO] [stdout]   |            -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout]   = note: `#[warn(clippy::redundant_static_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]  --> q-024/tests/sample_inputs.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | const BIN: &'static str = "./main";
[INFO] [stdout]   |            -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout]   = note: `#[warn(clippy::redundant_static_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]  --> q-022/tests/sample_inputs.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | const BIN: &'static str = "./main";
[INFO] [stdout]   |            -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout]   = note: `#[warn(clippy::redundant_static_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `a`
[INFO] [stdout]   --> q-004/src/main.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |     for i in 0..h {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]    = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 16 -     for i in 0..h {
[INFO] [stdout] 16 +     for (i, <item>) in a.iter().enumerate().take(h) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is used to index `a`
[INFO] [stdout]   --> q-004/src/main.rs:18:18
[INFO] [stdout]    |
[INFO] [stdout] 18 |         for j in 0..w {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 18 -         for j in 0..w {
[INFO] [stdout] 18 +         for (j, <item>) in a.iter().enumerate().take(w) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is used to index `a`
[INFO] [stdout]   --> q-004/src/main.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 |     for i in 0..h {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 24 -     for i in 0..h {
[INFO] [stdout] 24 +     for (i, <item>) in a.iter().enumerate().take(h) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `j` is used to index `a`
[INFO] [stdout]   --> q-004/src/main.rs:26:18
[INFO] [stdout]    |
[INFO] [stdout] 26 |         for j in 0..w {
[INFO] [stdout]    |                  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator and enumerate()
[INFO] [stdout]    |
[INFO] [stdout] 26 -         for j in 0..w {
[INFO] [stdout] 26 +         for (j, <item>) in a.iter().enumerate().take(w) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `answers`
[INFO] [stdout]   --> q-004/src/main.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |     for i in 0..h {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 34 -     for i in 0..h {
[INFO] [stdout] 34 +     for <item> in answers.iter().take(h) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]  --> q-016/tests/sample_inputs.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | const BIN: &'static str = "./main";
[INFO] [stdout]   |            -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout]   = note: `#[warn(clippy::redundant_static_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the loop variable `i` is only used to index `tx`
[INFO] [stdout]   --> q-061/src/main.rs:14:14
[INFO] [stdout]    |
[INFO] [stdout] 14 |     for i in 0..q {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stdout]    = note: `#[warn(clippy::needless_range_loop)]` on by default
[INFO] [stdout] help: consider using an iterator
[INFO] [stdout]    |
[INFO] [stdout] 14 -     for i in 0..q {
[INFO] [stdout] 14 +     for <item> in tx.iter().take(q) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]  --> q-020/tests/sample_inputs.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | const BIN: &'static str = "./main";
[INFO] [stdout]   |            -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout]   = note: `#[warn(clippy::redundant_static_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]  --> q-002/tests/sample_inputs.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | const BIN: &'static str = "./main";
[INFO] [stdout]   |            -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout]   = note: `#[warn(clippy::redundant_static_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual implementation of an assign operation
[INFO] [stdout]   --> q-078/src/main.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |             answer = answer + 1
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^ help: replace it with: `answer += 1`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stdout]    = note: `#[warn(clippy::assign_op_pattern)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]  --> q-014/tests/sample_inputs.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | const BIN: &'static str = "./main";
[INFO] [stdout]   |            -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout]   = note: `#[warn(clippy::redundant_static_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]  --> q-007/tests/sample_inputs.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | const BIN: &'static str = "./main";
[INFO] [stdout]   |            -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout]   = note: `#[warn(clippy::redundant_static_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]  --> q-061/tests/sample_inputs.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | const BIN: &'static str = "./main";
[INFO] [stdout]   |            -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout]   = note: `#[warn(clippy::redundant_static_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constants have by default a `'static` lifetime
[INFO] [stdout]  --> q-004/tests/sample_inputs.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | const BIN: &'static str = "./main";
[INFO] [stdout]   |            -^^^^^^^---- help: consider removing `'static`: `&str`
[INFO] [stdout]   |
[INFO] [stdout]   = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_static_lifetimes
[INFO] [stdout]   = note: `#[warn(clippy::redundant_static_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manually reimplementing `div_ceil`
[INFO] [stdout]   --> q-033/src/main.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         ((h + 1) / 2) * ((w + 1) / 2)
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: consider using `.div_ceil()`: `h.div_ceil(2)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_div_ceil
[INFO] [stdout]    = note: `#[warn(clippy::manual_div_ceil)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manually reimplementing `div_ceil`
[INFO] [stdout]   --> q-033/src/main.rs:34:25
[INFO] [stdout]    |
[INFO] [stdout] 34 |         ((h + 1) / 2) * ((w + 1) / 2)
[INFO] [stdout]    |                         ^^^^^^^^^^^^^ help: consider using `.div_ceil()`: `w.div_ceil(2)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_div_ceil
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.02s
[INFO] running `Command { std: "docker" "inspect" "24e058f8923723453026de8f125f723f1e70127648c16d2225aa66186f4318af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24e058f8923723453026de8f125f723f1e70127648c16d2225aa66186f4318af", kill_on_drop: false }`
[INFO] [stdout] 24e058f8923723453026de8f125f723f1e70127648c16d2225aa66186f4318af