[INFO] fetching crate rustic_ml 0.0.3... [INFO] checking rustic_ml-0.0.3 against master#f8f6997469237299c1d60814c7b9828602a1f8e4 for pr-143808 [INFO] extracting crate rustic_ml 0.0.3 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate rustic_ml 0.0.3 [INFO] finished tweaking crates.io crate rustic_ml 0.0.3 [INFO] tweaked toml for crates.io crate rustic_ml 0.0.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rustic_ml 0.0.3 on toolchain f8f6997469237299c1d60814c7b9828602a1f8e4 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate rustic_ml 0.0.3 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" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2e624b5dddab6aca37c86e97f1f32f03aea1a8bcf21a08e5eaaf21a119d0ed79 [INFO] running `Command { std: "docker" "start" "-a" "2e624b5dddab6aca37c86e97f1f32f03aea1a8bcf21a08e5eaaf21a119d0ed79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2e624b5dddab6aca37c86e97f1f32f03aea1a8bcf21a08e5eaaf21a119d0ed79", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e624b5dddab6aca37c86e97f1f32f03aea1a8bcf21a08e5eaaf21a119d0ed79", kill_on_drop: false }` [INFO] [stdout] 2e624b5dddab6aca37c86e97f1f32f03aea1a8bcf21a08e5eaaf21a119d0ed79 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+f8f6997469237299c1d60814c7b9828602a1f8e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c2ae306967ac20dadd8b6d4cb76423b1b01d906026f7ab4e7dd6ebb7485ae16a [INFO] running `Command { std: "docker" "start" "-a" "c2ae306967ac20dadd8b6d4cb76423b1b01d906026f7ab4e7dd6ebb7485ae16a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.84 [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling autocfg v1.3.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Compiling serde v1.0.203 [INFO] [stderr] Compiling serde_json v1.0.117 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking either v1.12.0 [INFO] [stderr] Checking plotters-backend v0.3.6 [INFO] [stderr] Checking ryu v1.0.18 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Checking regex-syntax v0.8.3 [INFO] [stderr] Checking ciborium-io v0.2.2 [INFO] [stderr] Checking half v2.4.1 [INFO] [stderr] Checking itoa v1.0.11 [INFO] [stderr] Checking os_str_bytes v6.6.1 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking textwrap v0.16.1 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking plotters-svg v0.3.6 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking ciborium-ll v0.2.2 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking plotters v0.3.6 [INFO] [stderr] Checking rustic_ml v0.0.3 (/opt/rustwide/workdir) [INFO] [stderr] Checking regex v1.10.4 [INFO] [stdout] warning: unused variable: `rows` [INFO] [stdout] --> src/data_utils/matrix.rs:417:9 [INFO] [stdout] | [INFO] [stdout] 417 | rows: Range, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rows` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cols` [INFO] [stdout] --> src/data_utils/matrix.rs:418:9 [INFO] [stdout] | [INFO] [stdout] 418 | cols: Range, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_cols` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/data_utils/datacolumn.rs:26:20 [INFO] [stdout] | [INFO] [stdout] 26 | fn iter_column(&self) -> Iter>; [INFO] [stdout] | ^^^^^ ------------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 26 | fn iter_column(&self) -> Iter<'_, Option>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/data_utils/datacolumn.rs:94:20 [INFO] [stdout] | [INFO] [stdout] 94 | fn iter_column(&self) -> Iter> { [INFO] [stdout] | ^^^^^ --------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 94 | fn iter_column(&self) -> Iter<'_, Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling serde_derive v1.0.203 [INFO] [stderr] Checking ciborium v0.2.2 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.4.0 [INFO] [stdout] warning: unused variable: `rows` [INFO] [stdout] --> src/data_utils/matrix.rs:417:9 [INFO] [stdout] | [INFO] [stdout] 417 | rows: Range, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_rows` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cols` [INFO] [stdout] --> src/data_utils/matrix.rs:418:9 [INFO] [stdout] | [INFO] [stdout] 418 | cols: Range, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_cols` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/data_utils/datacolumn.rs:26:20 [INFO] [stdout] | [INFO] [stdout] 26 | fn iter_column(&self) -> Iter>; [INFO] [stdout] | ^^^^^ ------------------------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 26 | fn iter_column(&self) -> Iter<'_, Option>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/data_utils/datacolumn.rs:94:20 [INFO] [stdout] | [INFO] [stdout] 94 | fn iter_column(&self) -> Iter> { [INFO] [stdout] | ^^^^^ --------------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 94 | fn iter_column(&self) -> Iter<'_, Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.68s [INFO] running `Command { std: "docker" "inspect" "c2ae306967ac20dadd8b6d4cb76423b1b01d906026f7ab4e7dd6ebb7485ae16a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2ae306967ac20dadd8b6d4cb76423b1b01d906026f7ab4e7dd6ebb7485ae16a", kill_on_drop: false }` [INFO] [stdout] c2ae306967ac20dadd8b6d4cb76423b1b01d906026f7ab4e7dd6ebb7485ae16a