[INFO] fetching crate disjoint 0.8.0... [INFO] testing disjoint-0.8.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate disjoint 0.8.0 into /workspace/builds/worker-2-tc2/source [INFO] removed /workspace/builds/worker-2-tc2/source/.cargo/config.toml [INFO] started tweaking crates.io crate disjoint 0.8.0 [INFO] finished tweaking crates.io crate disjoint 0.8.0 [INFO] tweaked toml for crates.io crate disjoint 0.8.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate disjoint 0.8.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d39cbd803fe1ad9b1ac04c18d1d1d309c33cd7e1a9026e3f4c00e9fc3fd3709f [INFO] running `Command { std: "docker" "start" "-a" "d39cbd803fe1ad9b1ac04c18d1d1d309c33cd7e1a9026e3f4c00e9fc3fd3709f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d39cbd803fe1ad9b1ac04c18d1d1d309c33cd7e1a9026e3f4c00e9fc3fd3709f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d39cbd803fe1ad9b1ac04c18d1d1d309c33cd7e1a9026e3f4c00e9fc3fd3709f", kill_on_drop: false }` [INFO] [stdout] d39cbd803fe1ad9b1ac04c18d1d1d309c33cd7e1a9026e3f4c00e9fc3fd3709f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cc73899377bb7e01cd71c797c9210573a955b139496811a9a4ddae89a3240bd9 [INFO] running `Command { std: "docker" "start" "-a" "cc73899377bb7e01cd71c797c9210573a955b139496811a9a4ddae89a3240bd9", kill_on_drop: false }` [INFO] [stderr] Compiling disjoint v0.8.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/disjoint_set.rs:418:5 [INFO] [stdout] | [INFO] [stdout] 418 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/disjoint_set_vec.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/disjoint_set_vec.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/disjoint_set_vec.rs:338:5 [INFO] [stdout] | [INFO] [stdout] 338 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/disjoint_set_vec.rs:349:5 [INFO] [stdout] | [INFO] [stdout] 349 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/disjoint_set_vec.rs:360:5 [INFO] [stdout] | [INFO] [stdout] 360 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "cc73899377bb7e01cd71c797c9210573a955b139496811a9a4ddae89a3240bd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc73899377bb7e01cd71c797c9210573a955b139496811a9a4ddae89a3240bd9", kill_on_drop: false }` [INFO] [stdout] cc73899377bb7e01cd71c797c9210573a955b139496811a9a4ddae89a3240bd9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d3e0039a4fdf853462268c9b83b95ae7bd87a4dd0af6d9ca4ac25ad1f17d27c3 [INFO] running `Command { std: "docker" "start" "-a" "d3e0039a4fdf853462268c9b83b95ae7bd87a4dd0af6d9ca4ac25ad1f17d27c3", kill_on_drop: false }` [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/disjoint_set.rs:418:5 [INFO] [stdout] | [INFO] [stdout] 418 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling disjoint v0.8.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/disjoint_set_vec.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/disjoint_set_vec.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/disjoint_set_vec.rs:338:5 [INFO] [stdout] | [INFO] [stdout] 338 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/disjoint_set_vec.rs:349:5 [INFO] [stdout] | [INFO] [stdout] 349 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/disjoint_set_vec.rs:360:5 [INFO] [stdout] | [INFO] [stdout] 360 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/disjoint_set.rs:418:5 [INFO] [stdout] | [INFO] [stdout] 418 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/disjoint_set_vec.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/disjoint_set_vec.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 61 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/disjoint_set_vec.rs:338:5 [INFO] [stdout] | [INFO] [stdout] 338 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/disjoint_set_vec.rs:349:5 [INFO] [stdout] | [INFO] [stdout] 349 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stdout] --> src/disjoint_set_vec.rs:360:5 [INFO] [stdout] | [INFO] [stdout] 360 | #[must_use] [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.16s [INFO] running `Command { std: "docker" "inspect" "d3e0039a4fdf853462268c9b83b95ae7bd87a4dd0af6d9ca4ac25ad1f17d27c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3e0039a4fdf853462268c9b83b95ae7bd87a4dd0af6d9ca4ac25ad1f17d27c3", kill_on_drop: false }` [INFO] [stdout] d3e0039a4fdf853462268c9b83b95ae7bd87a4dd0af6d9ca4ac25ad1f17d27c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 363fee4da8d9c589ec5c0262b5df8cd5ef26e48af3e543a6a5e9987295529990 [INFO] running `Command { std: "docker" "start" "-a" "363fee4da8d9c589ec5c0262b5df8cd5ef26e48af3e543a6a5e9987295529990", kill_on_drop: false }` [INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stderr] --> src/disjoint_set.rs:418:5 [INFO] [stderr] | [INFO] [stderr] 418 | #[must_use] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stderr] = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stderr] --> src/disjoint_set_vec.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | #[must_use] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stderr] [INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stderr] --> src/disjoint_set_vec.rs:61:5 [INFO] [stderr] | [INFO] [stderr] 61 | #[must_use] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stderr] [INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stderr] --> src/disjoint_set_vec.rs:338:5 [INFO] [stderr] | [INFO] [stderr] 338 | #[must_use] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stderr] [INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stderr] --> src/disjoint_set_vec.rs:349:5 [INFO] [stderr] | [INFO] [stderr] 349 | #[must_use] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stderr] [INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks [INFO] [stderr] --> src/disjoint_set_vec.rs:360:5 [INFO] [stderr] | [INFO] [stderr] 360 | #[must_use] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits [INFO] [stderr] [INFO] [stderr] warning: `disjoint` (lib) generated 6 warnings (run `cargo fix --lib -p disjoint` to apply 6 suggestions) [INFO] [stderr] warning: `disjoint` (lib test) generated 6 warnings (6 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/disjoint-17fb66a9e82a4b12) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test disjoint_set::test::clear_removes_elements_without_removing_capacity ... ok [INFO] [stdout] test disjoint_set::test::join_returns_false_even_if_immediate_parent_check_fails ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/disjoint_set.rs (/opt/rustwide/target/debug/deps/disjoint_set-f71ebc0a4ca54a2f) [INFO] [stdout] [INFO] [stdout] running 32 tests [INFO] [stdout] test can_join_elements_added_later ... ok [INFO] [stdout] test add_singleton_produces_singleton ... ok [INFO] [stdout] test clear_removes_elements ... ok [INFO] [stdout] test different_len_not_equal ... ok [INFO] [stdout] test different_joining_order_equal ... ok [INFO] [stdout] test arbitrary_sequence_of_join_and_is_joined ... ok [INFO] [stdout] test join_element_with_itself ... ok [INFO] [stdout] test constructor_constructs_correct_len_and_if_empty ... ok [INFO] [stdout] test constructor_prodcues_singletons ... ok [INFO] [stdout] test different_ways_of_empty_construction ... ok [INFO] [stdout] test get_sets_all_in_one ... ok [INFO] [stdout] test get_sets_complex ... ok [INFO] [stdout] test get_sets_empty ... ok [INFO] [stdout] test join_one_pair ... ok [INFO] [stdout] test join_one_pair_and_reversed ... ok [INFO] [stdout] test join_one_pair_twice ... ok [INFO] [stdout] test joining_and_is_joined_dont_change_len ... ok [INFO] [stdout] test same_len_not_equal ... ok [INFO] [stdout] test root_of_works ... ok [INFO] [stdout] test join_two_pairs_non_overlapping ... ok [INFO] [stdout] test join_two_pairs_overlapping ... ok [INFO] [stdout] test join_two_non_trivial_subsets ... ok [INFO] [stdout] test get_sets_singletons ... ok [INFO] [stdout] test panic_join_both_elements_oob - should panic ... ok [INFO] [stdout] test panic_join_first_element_oob - should panic ... ok [INFO] [stdout] test panic_join_second_element_oob - should panic ... ok [INFO] [stdout] test panic_is_joined_both_elements_oob - should panic ... ok [INFO] [stdout] test panic_is_joined_first_element_oob - should panic ... ok [INFO] [stdout] test panic_is_joined_second_element_oob - should panic ... ok [INFO] [stdout] test with_capacity_panics - should panic ... ok [INFO] [stdout] test clone_clones - should panic ... ok [INFO] [stdout] test construct_with_capacity ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s [INFO] [stdout] [INFO] [stderr] Running tests/disjoint_set_vec.rs (/opt/rustwide/target/debug/deps/disjoint_set_vec-633936ad19ec21ad) [INFO] [stdout] [INFO] [stdout] running 49 tests [INFO] [stdout] test arbitrary_sequence_of_join_and_is_joined ... ok [INFO] [stdout] test can_join_elements_added_later ... ok [INFO] [stdout] test construct_with_capacity ... ok [INFO] [stdout] test constructor_prodcues_singletons ... ok [INFO] [stdout] test constructor_constructs_correct_len_and_if_empty ... ok [INFO] [stdout] test different_joining_order_equal ... ok [INFO] [stdout] test different_ways_of_empty_construction ... ok [INFO] [stdout] test disjoint_set_vec_macro_clones ... ok [INFO] [stdout] test different_len_not_equal ... ok [INFO] [stdout] test disjoint_set_vec_macro_corresponds_to_vec_macro ... ok [INFO] [stdout] test disjoint_set_vec_macro_is_consistent ... ok [INFO] [stdout] test disjoint_set_vec_macro_is_not_trivial ... ok [INFO] [stdout] test from_vec_constructor ... ok [INFO] [stdout] test indices_sets_all_in_one ... ok [INFO] [stdout] test get_works_in_all_circumstances ... ok [INFO] [stdout] test indices_sets_empty ... ok [INFO] [stdout] test into_iter_works ... ok [INFO] [stdout] test iter_works ... ok [INFO] [stdout] test iter_mut_works ... ok [INFO] [stdout] test from_slice_constructor ... ok [INFO] [stdout] test join_one_pair_and_reversed ... ok [INFO] [stdout] test join_element_with_itself ... ok [INFO] [stdout] test join_one_pair ... ok [INFO] [stdout] test indices_as_expected ... ok [INFO] [stdout] test join_two_non_trivial_subsets ... ok [INFO] [stdout] test join_two_pairs_overlapping ... ok [INFO] [stdout] test join_two_pairs_non_overlapping ... ok [INFO] [stdout] test join_one_pair_twice ... ok [INFO] [stdout] test indexing_works ... ok [INFO] [stdout] test indices_sets_singletons ... ok [INFO] [stdout] test indices_sets_complex ... ok [INFO] [stdout] test mut_ref_into_iter_works ... ok [INFO] [stdout] test joining_and_is_joined_dont_change_len ... ok [INFO] [stdout] test mutable_indexing_works ... ok [INFO] [stdout] test values_as_expected ... ok [INFO] [stdout] test push_produces_singleton ... ok [INFO] [stdout] test ref_into_iter_works ... ok [INFO] [stdout] test same_vec_not_equal ... ok [INFO] [stdout] test same_ds_not_equal ... ok [INFO] [stdout] test root_of_works ... ok [INFO] [stdout] test clone_clones - should panic ... ok [INFO] [stdout] test mutable_indexing_panics - should panic ... ok [INFO] [stdout] test panic_is_joined_first_element_oob - should panic ... ok [INFO] [stdout] test indexing_panics - should panic ... ok [INFO] [stdout] test panic_is_joined_both_elements_oob - should panic ... ok [INFO] [stdout] test panic_is_joined_second_element_oob - should panic ... ok [INFO] [stdout] test panic_join_first_element_oob - should panic ... ok [INFO] [stdout] test panic_join_second_element_oob - should panic ... ok [INFO] [stdout] test panic_join_both_elements_oob - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 49 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] [stderr] Doc-tests disjoint [INFO] [stdout] [INFO] [stdout] running 27 tests [INFO] [stdout] test src/disjoint_set.rs - disjoint_set::DisjointSet::root_of (line 80) ... ok [INFO] [stdout] test src/disjoint_set.rs - disjoint_set::DisjointSet::new (line 346) ... ok [INFO] [stdout] test src/disjoint_set.rs - disjoint_set::DisjointSet::len (line 308) ... ok [INFO] [stdout] test src/disjoint_set.rs - disjoint_set::DisjointSet::with_capacity (line 161) ... ok [INFO] [stdout] test src/disjoint_set.rs - disjoint_set::DisjointSet::with_len (line 124) ... ok [INFO] [stdout] test src/disjoint_set_vec.rs - disjoint_set_vec::DisjointSetVec::clear (line 188) ... ok [INFO] [stdout] test src/disjoint_set.rs - disjoint_set::DisjointSet::join (line 221) ... ok [INFO] [stdout] test src/disjoint_set_vec.rs - disjoint_set_vec::DisjointSetVec::indices (line 103) ... ok [INFO] [stdout] test src/disjoint_set_vec.rs - disjoint_set_vec::DisjointSetVec::is_joined (line 275) ... ok [INFO] [stdout] test src/disjoint_set.rs - disjoint_set::DisjointSet::clear (line 367) ... ok [INFO] [stdout] test src/disjoint_set.rs - disjoint_set::DisjointSet (line 16) ... ok [INFO] [stdout] test src/disjoint_set.rs - disjoint_set::DisjointSet::is_joined (line 280) ... ok [INFO] [stdout] test src/disjoint_set.rs - disjoint_set::DisjointSet::is_empty (line 327) ... ok [INFO] [stdout] test src/disjoint_set.rs - disjoint_set::DisjointSet::sets (line 390) ... ok [INFO] [stdout] test src/disjoint_set_vec.rs - disjoint_set_vec::DisjointSetVec (line 20) ... ok [INFO] [stdout] test src/disjoint_set_vec.rs - disjoint_set_vec::DisjointSetVec::push (line 215) ... ok [INFO] [stdout] test src/lib.rs - (line 117) ... ok [INFO] [stdout] test src/disjoint_set_vec.rs - disjoint_set_vec::DisjointSetVec::with_capacity (line 135) ... ok [INFO] [stdout] test src/lib.rs - (line 85) ... ok [INFO] [stdout] test src/disjoint_set_vec.rs - disjoint_set_vec::DisjointSetVec::new (line 166) ... ok [INFO] [stdout] test src/lib.rs - (line 69) ... ok [INFO] [stdout] test src/macros.rs - macros::disjoint_set_vec (line 19) ... ok [INFO] [stdout] test src/disjoint_set_vec.rs - disjoint_set_vec::DisjointSetVec::root_of (line 242) ... ok [INFO] [stdout] test src/disjoint_set_vec.rs - disjoint_set_vec::DisjointSetVec::values (line 78) ... ok [INFO] [stdout] test src/disjoint_set.rs - disjoint_set::DisjointSet::add_singleton (line 195) ... ok [INFO] [stdout] test src/macros.rs - macros::disjoint_set_vec (line 8) ... ok [INFO] [stdout] test src/disjoint_set_vec.rs - disjoint_set_vec::DisjointSetVec::join (line 309) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 27 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.95s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "363fee4da8d9c589ec5c0262b5df8cd5ef26e48af3e543a6a5e9987295529990", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "363fee4da8d9c589ec5c0262b5df8cd5ef26e48af3e543a6a5e9987295529990", kill_on_drop: false }` [INFO] [stdout] 363fee4da8d9c589ec5c0262b5df8cd5ef26e48af3e543a6a5e9987295529990