[INFO] cloning repository https://github.com/nipzu/primesieve [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nipzu/primesieve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnipzu%2Fprimesieve", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnipzu%2Fprimesieve'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8f119f08aeedd5682629124062d67a99dc11a573 [INFO] checking nipzu/primesieve against master#d8810e3e2dab96778d20dd6d746ff95465515509 for pr-137033 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnipzu%2Fprimesieve" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nipzu/primesieve on toolchain d8810e3e2dab96778d20dd6d746ff95465515509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nipzu/primesieve [INFO] finished tweaking git repo https://github.com/nipzu/primesieve [INFO] tweaked toml for git repo https://github.com/nipzu/primesieve written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/nipzu/primesieve 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" "+d8810e3e2dab96778d20dd6d746ff95465515509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c50a679e90146510aa4fbac909d5bd807645357d7d07cde122495b010cd9cce3 [INFO] running `Command { std: "docker" "start" "-a" "c50a679e90146510aa4fbac909d5bd807645357d7d07cde122495b010cd9cce3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c50a679e90146510aa4fbac909d5bd807645357d7d07cde122495b010cd9cce3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c50a679e90146510aa4fbac909d5bd807645357d7d07cde122495b010cd9cce3", kill_on_drop: false }` [INFO] [stdout] c50a679e90146510aa4fbac909d5bd807645357d7d07cde122495b010cd9cce3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 62baed4d4967fe8c64c4841edf947056d32e24532644a716e1eec3d530b0d6ef [INFO] running `Command { std: "docker" "start" "-a" "62baed4d4967fe8c64c4841edf947056d32e24532644a716e1eec3d530b0d6ef", kill_on_drop: false }` [INFO] [stderr] Checking primesieve v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/sieve.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | return todo!(); [INFO] [stdout] | ^^^^^^^------- [INFO] [stdout] | | | [INFO] [stdout] | | any code following this expression is unreachable [INFO] [stdout] | unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `small_sieving_primes` [INFO] [stdout] --> src/sieve.rs:18:14 [INFO] [stdout] | [INFO] [stdout] 18 | let (small_sieving_primes, medium_sieving_primes) = self.get_sieving_primes(end); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_small_sieving_primes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `medium_sieving_primes` [INFO] [stdout] --> src/sieve.rs:18:36 [INFO] [stdout] | [INFO] [stdout] 18 | let (small_sieving_primes, medium_sieving_primes) = self.get_sieving_primes(end); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_medium_sieving_primes` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/sieve.rs:14:13 [INFO] [stdout] | [INFO] [stdout] 14 | return todo!(); [INFO] [stdout] | ^^^^^^^------- [INFO] [stdout] | | | [INFO] [stdout] | | any code following this expression is unreachable [INFO] [stdout] | unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `end` [INFO] [stdout] --> src/sieve.rs:25:34 [INFO] [stdout] | [INFO] [stdout] 25 | fn get_sieving_primes(&self, end: u64) -> (Vec, [Vec; 8]) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_end` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `end` [INFO] [stdout] --> src/sieve.rs:29:51 [INFO] [stdout] | [INFO] [stdout] 29 | fn sieve_range_with_buffer(&self, start: u64, end: u64, buffer: &mut [u8]) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_end` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buffer` [INFO] [stdout] --> src/sieve.rs:29:61 [INFO] [stdout] | [INFO] [stdout] 29 | fn sieve_range_with_buffer(&self, start: u64, end: u64, buffer: &mut [u8]) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `start` [INFO] [stdout] --> src/sieve.rs:35:29 [INFO] [stdout] | [INFO] [stdout] 35 | fn sieve_segment(&self, start: u64, is_prime: &mut [u8], sieving_primes: &[Vec; 8]) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `is_prime` [INFO] [stdout] --> src/sieve.rs:35:41 [INFO] [stdout] | [INFO] [stdout] 35 | fn sieve_segment(&self, start: u64, is_prime: &mut [u8], sieving_primes: &[Vec; 8]) { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_prime` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sieving_primes` [INFO] [stdout] --> src/sieve.rs:35:62 [INFO] [stdout] | [INFO] [stdout] 35 | fn sieve_segment(&self, start: u64, is_prime: &mut [u8], sieving_primes: &[Vec; 8]) { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sieving_primes` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `start` [INFO] [stdout] --> src/lib.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let start = match range.start_bound() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `end` [INFO] [stdout] --> src/lib.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | let end = match range.end_bound() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_end` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `start` [INFO] [stdout] --> src/lib.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | let start = match range.start_bound() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `end` [INFO] [stdout] --> src/lib.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | let end = match range.end_bound() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_end` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `start` and `end` are never read [INFO] [stdout] --> src/lib.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct PrimeIterator { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 11 | start: u64, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 12 | end: u64, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `small_segment_size`, `big_segment_size`, `small_prime_threshold`, and `medium_prime_threshold` are never read [INFO] [stdout] --> src/sieve.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct PrimeSieve { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 5 | small_segment_size: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 6 | big_segment_size: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 7 | small_prime_threshold: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 8 | medium_prime_threshold: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `sieve_range`, `get_sieving_primes`, `sieve_range_with_buffer`, and `sieve_segment` are never used [INFO] [stdout] --> src/sieve.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl PrimeSieve { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] 12 | fn sieve_range(&self, start: u64, end: u64) -> SievedPrimes { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | fn get_sieving_primes(&self, end: u64) -> (Vec, [Vec; 8]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | fn sieve_range_with_buffer(&self, start: u64, end: u64, buffer: &mut [u8]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | fn sieve_segment(&self, start: u64, is_prime: &mut [u8], sieving_primes: &[Vec; 8]) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SievedPrimes` is never constructed [INFO] [stdout] --> src/sieve.rs:51:8 [INFO] [stdout] | [INFO] [stdout] 51 | struct SievedPrimes { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `small_sieving_primes` [INFO] [stdout] --> src/sieve.rs:18:14 [INFO] [stdout] | [INFO] [stdout] 18 | let (small_sieving_primes, medium_sieving_primes) = self.get_sieving_primes(end); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_small_sieving_primes` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `medium_sieving_primes` [INFO] [stdout] --> src/sieve.rs:18:36 [INFO] [stdout] | [INFO] [stdout] 18 | let (small_sieving_primes, medium_sieving_primes) = self.get_sieving_primes(end); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_medium_sieving_primes` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `end` [INFO] [stdout] --> src/sieve.rs:25:34 [INFO] [stdout] | [INFO] [stdout] 25 | fn get_sieving_primes(&self, end: u64) -> (Vec, [Vec; 8]) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_end` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `end` [INFO] [stdout] --> src/sieve.rs:29:51 [INFO] [stdout] | [INFO] [stdout] 29 | fn sieve_range_with_buffer(&self, start: u64, end: u64, buffer: &mut [u8]) { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_end` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `buffer` [INFO] [stdout] --> src/sieve.rs:29:61 [INFO] [stdout] | [INFO] [stdout] 29 | fn sieve_range_with_buffer(&self, start: u64, end: u64, buffer: &mut [u8]) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `start` [INFO] [stdout] --> src/sieve.rs:35:29 [INFO] [stdout] | [INFO] [stdout] 35 | fn sieve_segment(&self, start: u64, is_prime: &mut [u8], sieving_primes: &[Vec; 8]) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `is_prime` [INFO] [stdout] --> src/sieve.rs:35:41 [INFO] [stdout] | [INFO] [stdout] 35 | fn sieve_segment(&self, start: u64, is_prime: &mut [u8], sieving_primes: &[Vec; 8]) { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_prime` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sieving_primes` [INFO] [stdout] --> src/sieve.rs:35:62 [INFO] [stdout] | [INFO] [stdout] 35 | fn sieve_segment(&self, start: u64, is_prime: &mut [u8], sieving_primes: &[Vec; 8]) { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sieving_primes` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `start` [INFO] [stdout] --> src/lib.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | let start = match range.start_bound() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `end` [INFO] [stdout] --> src/lib.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | let end = match range.end_bound() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_end` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `start` [INFO] [stdout] --> src/lib.rs:51:9 [INFO] [stdout] | [INFO] [stdout] 51 | let start = match range.start_bound() { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_start` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `end` [INFO] [stdout] --> src/lib.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 56 | let end = match range.end_bound() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_end` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `start` and `end` are never read [INFO] [stdout] --> src/lib.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | pub struct PrimeIterator { [INFO] [stdout] | ------------- fields in this struct [INFO] [stdout] 11 | start: u64, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 12 | end: u64, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `small_segment_size`, `big_segment_size`, `small_prime_threshold`, and `medium_prime_threshold` are never read [INFO] [stdout] --> src/sieve.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 4 | struct PrimeSieve { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] 5 | small_segment_size: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 6 | big_segment_size: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] 7 | small_prime_threshold: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 8 | medium_prime_threshold: u64, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `sieve_range`, `get_sieving_primes`, `sieve_range_with_buffer`, and `sieve_segment` are never used [INFO] [stdout] --> src/sieve.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl PrimeSieve { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] 12 | fn sieve_range(&self, start: u64, end: u64) -> SievedPrimes { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 25 | fn get_sieving_primes(&self, end: u64) -> (Vec, [Vec; 8]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | fn sieve_range_with_buffer(&self, start: u64, end: u64, buffer: &mut [u8]) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 35 | fn sieve_segment(&self, start: u64, is_prime: &mut [u8], sieving_primes: &[Vec; 8]) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `SievedPrimes` is never constructed [INFO] [stdout] --> src/sieve.rs:51:8 [INFO] [stdout] | [INFO] [stdout] 51 | struct SievedPrimes { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:194:43 [INFO] [stdout] | [INFO] [stdout] 194 | let (mut primes, mut is_prime_buffer, mut sieving_primes) = sieve_first_segment(n); [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:194:43 [INFO] [stdout] | [INFO] [stdout] 194 | let (mut primes, mut is_prime_buffer, mut sieving_primes) = sieve_first_segment(n); [INFO] [stdout] | ----^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s [INFO] running `Command { std: "docker" "inspect" "62baed4d4967fe8c64c4841edf947056d32e24532644a716e1eec3d530b0d6ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62baed4d4967fe8c64c4841edf947056d32e24532644a716e1eec3d530b0d6ef", kill_on_drop: false }` [INFO] [stdout] 62baed4d4967fe8c64c4841edf947056d32e24532644a716e1eec3d530b0d6ef