[INFO] cloning repository https://github.com/piotrkubicki/anagram-solver-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/piotrkubicki/anagram-solver-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiotrkubicki%2Fanagram-solver-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiotrkubicki%2Fanagram-solver-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bf9c3557c0596137887d200291307b3456d12e14 [INFO] testing piotrkubicki/anagram-solver-rust against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpiotrkubicki%2Fanagram-solver-rust" "/workspace/builds/worker-21/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-21/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/piotrkubicki/anagram-solver-rust on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/piotrkubicki/anagram-solver-rust [INFO] finished tweaking git repo https://github.com/piotrkubicki/anagram-solver-rust [INFO] tweaked toml for git repo https://github.com/piotrkubicki/anagram-solver-rust written to /workspace/builds/worker-21/source/Cargo.toml [INFO] crate git repo https://github.com/piotrkubicki/anagram-solver-rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded test-case v1.2.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4a98fdadfb609e5331aecaf1f0bb944b7f57cb30f161e0e62f2f1536cfe8df9f [INFO] running `Command { std: "docker" "start" "-a" "4a98fdadfb609e5331aecaf1f0bb944b7f57cb30f161e0e62f2f1536cfe8df9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4a98fdadfb609e5331aecaf1f0bb944b7f57cb30f161e0e62f2f1536cfe8df9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a98fdadfb609e5331aecaf1f0bb944b7f57cb30f161e0e62f2f1536cfe8df9f", kill_on_drop: false }` [INFO] [stdout] 4a98fdadfb609e5331aecaf1f0bb944b7f57cb30f161e0e62f2f1536cfe8df9f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5c6ab43d302d7d11a22b16112a3f501961c463f0ceaddc24e8cc57b477b7372d [INFO] running `Command { std: "docker" "start" "-a" "5c6ab43d302d7d11a22b16112a3f501961c463f0ceaddc24e8cc57b477b7372d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling syn v1.0.90 [INFO] [stderr] Compiling test-case v1.2.3 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Compiling anagram-solver-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::BufRead` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::BufRead; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io::BufReader` [INFO] [stdout] --> src/main.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | use std::{env, io::BufReader}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `CombinationGenerator` [INFO] [stdout] --> src/main.rs:7:29 [INFO] [stdout] | [INFO] [stdout] 7 | use combination_generator::{CombinationGenerator}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `max_words` [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | max_words: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Config` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:14:10 [INFO] [stdout] | [INFO] [stdout] 14 | #[derive(Clone)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/combination_generator/mod.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn new(config: Config) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/combination_generator/mod.rs:65:12 [INFO] [stdout] | [INFO] [stdout] 65 | pub fn new(config: Config) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `config` [INFO] [stdout] --> src/dictionary/mod.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | config: Config, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.96s [INFO] running `Command { std: "docker" "inspect" "5c6ab43d302d7d11a22b16112a3f501961c463f0ceaddc24e8cc57b477b7372d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c6ab43d302d7d11a22b16112a3f501961c463f0ceaddc24e8cc57b477b7372d", kill_on_drop: false }` [INFO] [stdout] 5c6ab43d302d7d11a22b16112a3f501961c463f0ceaddc24e8cc57b477b7372d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 131ac7ed326925418f72525a9bc590dfa31157167a3652fabf1b8e29fba872bb [INFO] running `Command { std: "docker" "start" "-a" "131ac7ed326925418f72525a9bc590dfa31157167a3652fabf1b8e29fba872bb", kill_on_drop: false }` [INFO] [stderr] Compiling anagram-solver-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::BufRead` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::BufRead; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `io::BufReader` [INFO] [stdout] --> src/main.rs:3:16 [INFO] [stdout] | [INFO] [stdout] 3 | use std::{env, io::BufReader}; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `CombinationGenerator` [INFO] [stdout] --> src/main.rs:7:29 [INFO] [stdout] | [INFO] [stdout] 7 | use combination_generator::{CombinationGenerator}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `config` [INFO] [stdout] --> src/dictionary/mod.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | config: Config, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "131ac7ed326925418f72525a9bc590dfa31157167a3652fabf1b8e29fba872bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "131ac7ed326925418f72525a9bc590dfa31157167a3652fabf1b8e29fba872bb", kill_on_drop: false }` [INFO] [stdout] 131ac7ed326925418f72525a9bc590dfa31157167a3652fabf1b8e29fba872bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 78fc45a5990f7308093f3e79cb053452048cac21bb28f9734552dfe38f53553c [INFO] running `Command { std: "docker" "start" "-a" "78fc45a5990f7308093f3e79cb053452048cac21bb28f9734552dfe38f53553c", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::BufRead` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::io::BufRead; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `io::BufReader` [INFO] [stderr] --> src/main.rs:3:16 [INFO] [stderr] | [INFO] [stderr] 3 | use std::{env, io::BufReader}; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs::File` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::fs::File; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `CombinationGenerator` [INFO] [stderr] --> src/main.rs:7:29 [INFO] [stderr] | [INFO] [stderr] 7 | use combination_generator::{CombinationGenerator}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `config` [INFO] [stderr] --> src/dictionary/mod.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | config: Config, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `anagram-solver-rust` (bin "anagram-solver-rust" test) generated 6 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.48s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/anagram_solver_rust-76ed9bd4e36abc9a) [INFO] [stdout] [INFO] [stdout] running 11 tests [INFO] [stdout] test combination_generator::tests::combination_generator_calls_generators_in_turns ... ok [INFO] [stdout] test combination_generator::tests::get_next_combination_returns_valid_combination_lengths ... ok [INFO] [stdout] test combination_generator::tests::increment_correct_combination_element::_vec_2_2_2_vec_3_2_2_ ... ok [INFO] [stdout] test combination_generator::tests::increment_correct_combination_element::_vec_4_6_6_vec_5_6_6_ ... ok [INFO] [stdout] test combination_generator::tests::increment_correct_combination_element::_vec_6_2_2_vec_1_3_2_ ... ok [INFO] [stdout] test combination_generator::tests::increment_correct_combination_element::_vec_6_6_2_vec_1_1_3_ ... ok [INFO] [stdout] test combination_generator::tests::is_valid_returns_expected::_vec_1_1_1_false ... ok [INFO] [stdout] test combination_generator::tests::is_valid_returns_expected::_vec_1_4_2_false ... ok [INFO] [stdout] test combination_generator::tests::is_valid_returns_expected::_vec_4_4_2_true ... ok [INFO] [stdout] test combination_generator::tests::is_valid_returns_expected::_vec_5_3_2_true ... ok [INFO] [stdout] test combination_generator::tests::combination_generator_returns_expected_number_of_combinations ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "78fc45a5990f7308093f3e79cb053452048cac21bb28f9734552dfe38f53553c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "78fc45a5990f7308093f3e79cb053452048cac21bb28f9734552dfe38f53553c", kill_on_drop: false }` [INFO] [stdout] 78fc45a5990f7308093f3e79cb053452048cac21bb28f9734552dfe38f53553c