[INFO] cloning repository https://github.com/kalebvonburris/mul-persistence-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kalebvonburris/mul-persistence-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalebvonburris%2Fmul-persistence-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalebvonburris%2Fmul-persistence-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 67bd9c1e94fb1c289a867de283206edd946d84c1 [INFO] checking kalebvonburris/mul-persistence-rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkalebvonburris%2Fmul-persistence-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kalebvonburris/mul-persistence-rust on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kalebvonburris/mul-persistence-rust [INFO] finished tweaking git repo https://github.com/kalebvonburris/mul-persistence-rust [INFO] tweaked toml for git repo https://github.com/kalebvonburris/mul-persistence-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/kalebvonburris/mul-persistence-rust 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5059db89f0d43f46893d462c6945854676ead6e0dea6d3c62411807297875a9a [INFO] running `Command { std: "docker" "start" "-a" "5059db89f0d43f46893d462c6945854676ead6e0dea6d3c62411807297875a9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5059db89f0d43f46893d462c6945854676ead6e0dea6d3c62411807297875a9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5059db89f0d43f46893d462c6945854676ead6e0dea6d3c62411807297875a9a", kill_on_drop: false }` [INFO] [stdout] 5059db89f0d43f46893d462c6945854676ead6e0dea6d3c62411807297875a9a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a733a629930a6d9430e6b95bffbbe80de5671f968baddd410b0ce1de66820af2 [INFO] running `Command { std: "docker" "start" "-a" "a733a629930a6d9430e6b95bffbbe80de5671f968baddd410b0ce1de66820af2", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.69 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling libc v0.2.150 [INFO] [stderr] Compiling serde v1.0.192 [INFO] [stderr] Compiling futures-core v0.3.29 [INFO] [stderr] Compiling futures-task v0.3.29 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Compiling futures-channel v0.3.29 [INFO] [stderr] Compiling futures-util v0.3.29 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking futures-sink v0.3.29 [INFO] [stderr] Compiling rustix v0.38.21 [INFO] [stderr] Checking crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling serde_json v1.0.108 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking regex-syntax v0.8.2 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Checking ciborium-io v0.2.1 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking linux-raw-sys v0.4.11 [INFO] [stderr] Checking anstyle v1.0.4 [INFO] [stderr] Checking clap_lex v0.6.0 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Compiling num-bigint v0.4.4 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking ciborium-ll v0.2.1 [INFO] [stderr] Checking futures-io v0.3.29 [INFO] [stderr] Checking clap_builder v4.4.8 [INFO] [stderr] Checking rayon-core v1.12.0 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking walkdir v2.4.0 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking signal-hook-registry v1.4.1 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking mio v0.8.9 [INFO] [stderr] Checking socket2 v0.5.5 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking rayon v1.8.0 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling syn v2.0.39 [INFO] [stderr] Checking regex-automata v0.4.3 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking clap v4.4.8 [INFO] [stderr] Checking futures v0.3.29 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking regex v1.10.2 [INFO] [stderr] Compiling serde_derive v1.0.192 [INFO] [stderr] Compiling tokio-macros v2.2.0 [INFO] [stderr] Checking tokio v1.34.0 [INFO] [stderr] Checking ciborium v0.2.1 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.5.1 [INFO] [stderr] Checking mul-persistence-rust v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `digits` [INFO] [stdout] --> src/main.rs:26:26 [INFO] [stdout] | [INFO] [stdout] 26 | fn generate_combinations(digits: &[i32], length: usize) -> Vec> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_digits` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `length` [INFO] [stdout] --> src/main.rs:26:42 [INFO] [stdout] | [INFO] [stdout] 26 | fn generate_combinations(digits: &[i32], length: usize) -> Vec> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `combination` [INFO] [stdout] --> src/main.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | combination: &[usize], [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_combination` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `table` [INFO] [stdout] --> src/main.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | table: &[HashMap, usize>], [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_table` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `prev_length` [INFO] [stdout] --> src/main.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | prev_length: usize, [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_length` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `digits` [INFO] [stdout] --> src/main.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | digits: &[i32] [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_digits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `digits` [INFO] [stdout] --> src/main.rs:26:26 [INFO] [stdout] | [INFO] [stdout] 26 | fn generate_combinations(digits: &[i32], length: usize) -> Vec> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_digits` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `length` [INFO] [stdout] --> src/main.rs:26:42 [INFO] [stdout] | [INFO] [stdout] 26 | fn generate_combinations(digits: &[i32], length: usize) -> Vec> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `combination` [INFO] [stdout] --> src/main.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | combination: &[usize], [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_combination` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `table` [INFO] [stdout] --> src/main.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | table: &[HashMap, usize>], [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_table` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `prev_length` [INFO] [stdout] --> src/main.rs:35:5 [INFO] [stdout] | [INFO] [stdout] 35 | prev_length: usize, [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_length` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `digits` [INFO] [stdout] --> src/main.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | digits: &[i32] [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_digits` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.36s [INFO] running `Command { std: "docker" "inspect" "a733a629930a6d9430e6b95bffbbe80de5671f968baddd410b0ce1de66820af2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a733a629930a6d9430e6b95bffbbe80de5671f968baddd410b0ce1de66820af2", kill_on_drop: false }` [INFO] [stdout] a733a629930a6d9430e6b95bffbbe80de5671f968baddd410b0ce1de66820af2