[INFO] cloning repository https://github.com/edzdez/letterboxed-solver [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/edzdez/letterboxed-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedzdez%2Fletterboxed-solver", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedzdez%2Fletterboxed-solver'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 743733d77b2c38709488942059cc2b6f9eb6ea9e [INFO] testing edzdez/letterboxed-solver against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedzdez%2Fletterboxed-solver" "/workspace/builds/worker-22/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/edzdez/letterboxed-solver 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/edzdez/letterboxed-solver [INFO] finished tweaking git repo https://github.com/edzdez/letterboxed-solver [INFO] tweaked toml for git repo https://github.com/edzdez/letterboxed-solver written to /workspace/builds/worker-22/source/Cargo.toml [INFO] crate git repo https://github.com/edzdez/letterboxed-solver 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] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] ca82918024fc659c04b7d9d3c2254a21d8f06b6f60d0f32f6276b0c62b98e0eb [INFO] running `Command { std: "docker" "start" "-a" "ca82918024fc659c04b7d9d3c2254a21d8f06b6f60d0f32f6276b0c62b98e0eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ca82918024fc659c04b7d9d3c2254a21d8f06b6f60d0f32f6276b0c62b98e0eb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca82918024fc659c04b7d9d3c2254a21d8f06b6f60d0f32f6276b0c62b98e0eb", kill_on_drop: false }` [INFO] [stdout] ca82918024fc659c04b7d9d3c2254a21d8f06b6f60d0f32f6276b0c62b98e0eb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 98cd387c3d8773e71696119377a6a0e55bf8e6d1c473da3946ef3ad1535d897f [INFO] running `Command { std: "docker" "start" "-a" "98cd387c3d8773e71696119377a6a0e55bf8e6d1c473da3946ef3ad1535d897f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling letter-boxed-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `letters` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | letters: HashSet, [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: `contains_word` [INFO] [stdout] --> src/trie.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn contains_word(&self, s: String) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> src/trie.rs:83:5 [INFO] [stdout] | [INFO] [stdout] 83 | value: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `contains_char` [INFO] [stdout] --> src/trie.rs:97:12 [INFO] [stdout] | [INFO] [stdout] 97 | pub fn contains_char(&self, c: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.57s [INFO] running `Command { std: "docker" "inspect" "98cd387c3d8773e71696119377a6a0e55bf8e6d1c473da3946ef3ad1535d897f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "98cd387c3d8773e71696119377a6a0e55bf8e6d1c473da3946ef3ad1535d897f", kill_on_drop: false }` [INFO] [stdout] 98cd387c3d8773e71696119377a6a0e55bf8e6d1c473da3946ef3ad1535d897f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] f8fac8df487fa5e79007bbc53220ee0dd9631ad0ebb070a3a8d0b354e3845612 [INFO] running `Command { std: "docker" "start" "-a" "f8fac8df487fa5e79007bbc53220ee0dd9631ad0ebb070a3a8d0b354e3845612", kill_on_drop: false }` [INFO] [stderr] Compiling letter-boxed-solver v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `letters` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | letters: HashSet, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> src/trie.rs:83:5 [INFO] [stdout] | [INFO] [stdout] 83 | value: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `contains_char` [INFO] [stdout] --> src/trie.rs:97:12 [INFO] [stdout] | [INFO] [stdout] 97 | pub fn contains_char(&self, c: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.78s [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f8fac8df487fa5e79007bbc53220ee0dd9631ad0ebb070a3a8d0b354e3845612", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8fac8df487fa5e79007bbc53220ee0dd9631ad0ebb070a3a8d0b354e3845612", kill_on_drop: false }` [INFO] [stdout] f8fac8df487fa5e79007bbc53220ee0dd9631ad0ebb070a3a8d0b354e3845612 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 5b01c9411f6979f59ba1aaf9a08733543b9eca2fda7b55189e0cdc9ae45dcec0 [INFO] running `Command { std: "docker" "start" "-a" "5b01c9411f6979f59ba1aaf9a08733543b9eca2fda7b55189e0cdc9ae45dcec0", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: field is never read: `letters` [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | letters: HashSet, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `value` [INFO] [stderr] --> src/trie.rs:83:5 [INFO] [stderr] | [INFO] [stderr] 83 | value: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `contains_char` [INFO] [stderr] --> src/trie.rs:97:12 [INFO] [stderr] | [INFO] [stderr] 97 | pub fn contains_char(&self, c: char) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `letter-boxed-solver` (bin "letter-boxed-solver" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/letter_boxed_solver-2e56b82e30071622) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test trie::test::trie_contains_string_but_not_substring ... ok [INFO] [stdout] test trie::test::trie_does_not_contain_string ... ok [INFO] [stdout] test trie::test::trie_contains_string ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5b01c9411f6979f59ba1aaf9a08733543b9eca2fda7b55189e0cdc9ae45dcec0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b01c9411f6979f59ba1aaf9a08733543b9eca2fda7b55189e0cdc9ae45dcec0", kill_on_drop: false }` [INFO] [stdout] 5b01c9411f6979f59ba1aaf9a08733543b9eca2fda7b55189e0cdc9ae45dcec0