[INFO] fetching crate flat-tree 5.0.0... [INFO] testing flat-tree-5.0.0 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate flat-tree 5.0.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate flat-tree 5.0.0 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate flat-tree 5.0.0 [INFO] finished tweaking crates.io crate flat-tree 5.0.0 [INFO] tweaked toml for crates.io crate flat-tree 5.0.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5cfa0be1828956b501477ddd0c661de6407183bf924f631003dd13500b5babbb [INFO] running `Command { std: "docker" "start" "-a" "5cfa0be1828956b501477ddd0c661de6407183bf924f631003dd13500b5babbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5cfa0be1828956b501477ddd0c661de6407183bf924f631003dd13500b5babbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5cfa0be1828956b501477ddd0c661de6407183bf924f631003dd13500b5babbb", kill_on_drop: false }` [INFO] [stdout] 5cfa0be1828956b501477ddd0c661de6407183bf924f631003dd13500b5babbb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c3a300e88abf61958b659262e43d972a4ac3281ca5aab2a6afdcca74f1f16262 [INFO] running `Command { std: "docker" "start" "-a" "c3a300e88abf61958b659262e43d972a4ac3281ca5aab2a6afdcca74f1f16262", kill_on_drop: false }` [INFO] [stderr] Compiling flat-tree v5.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/iterator.rs:262:5 [INFO] [stdout] | [INFO] [stdout] 262 | ((1 << 30) * (1 << (n - 30))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.86s [INFO] running `Command { std: "docker" "inspect" "c3a300e88abf61958b659262e43d972a4ac3281ca5aab2a6afdcca74f1f16262", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3a300e88abf61958b659262e43d972a4ac3281ca5aab2a6afdcca74f1f16262", kill_on_drop: false }` [INFO] [stdout] c3a300e88abf61958b659262e43d972a4ac3281ca5aab2a6afdcca74f1f16262 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d590b3404e8fc09c3917506582d8df4e8d4d1b254e5c6fbf6ebe9cfeaf85069e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d590b3404e8fc09c3917506582d8df4e8d4d1b254e5c6fbf6ebe9cfeaf85069e", kill_on_drop: false }` [INFO] [stderr] Compiling const_fn v0.4.4 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling syn v1.0.57 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/iterator.rs:262:5 [INFO] [stdout] | [INFO] [stdout] 262 | ((1 << 30) * (1 << (n - 30))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling serde_cbor v0.11.1 [INFO] [stderr] Compiling serde_json v1.0.61 [INFO] [stderr] Compiling plotters v0.2.15 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling bstr v0.2.14 [INFO] [stderr] Compiling crossbeam-epoch v0.9.1 [INFO] [stderr] Compiling tinytemplate v1.2.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling csv v1.1.5 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling serde_derive v1.0.118 [INFO] [stderr] Compiling criterion v0.3.3 [INFO] [stderr] Compiling flat-tree v5.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/iterator.rs:262:5 [INFO] [stdout] | [INFO] [stdout] 262 | ((1 << 30) * (1 << (n - 30))) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 56.34s [INFO] running `Command { std: "docker" "inspect" "d590b3404e8fc09c3917506582d8df4e8d4d1b254e5c6fbf6ebe9cfeaf85069e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d590b3404e8fc09c3917506582d8df4e8d4d1b254e5c6fbf6ebe9cfeaf85069e", kill_on_drop: false }` [INFO] [stdout] d590b3404e8fc09c3917506582d8df4e8d4d1b254e5c6fbf6ebe9cfeaf85069e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5467be32028679d96e5eaa96fb6787c648bd13f89b6b6ace99dae7ad2440d72d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "5467be32028679d96e5eaa96fb6787c648bd13f89b6b6ace99dae7ad2440d72d", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/iterator.rs:262:5 [INFO] [stderr] | [INFO] [stderr] 262 | ((1 << 30) * (1 << (n - 30))) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stdout] running 6 tests [INFO] [stderr] --> src/iterator.rs:262:5 [INFO] [stderr] | [INFO] [stderr] 262 | ((1 << 30) * (1 << (n - 30))) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/flat_tree-b4abb13294d1f72c [INFO] [stdout] test iterator::tests::test_two_pow_64bit ... ok [INFO] [stdout] test iterator::tests::test_two_pow ... ok [INFO] [stdout] test tests::test_is_even ... ok [INFO] [stdout] test tests::test_child_to_parent_to_child ... ok [INFO] [stdout] test tests::test_is_odd ... ok [INFO] [stdout] test tests::test_parent_gt_int32 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/iterator-a9e79b1c7e4cd220 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test non_leaf_start ... ok [INFO] [stdout] test iterator ... 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 /opt/rustwide/target/debug/deps/iterator_regression-c84dd59f04f99322 [INFO] [stdout] [INFO] [stderr] Doc-tests flat-tree [INFO] [stdout] running 1 test [INFO] [stdout] test parent_and_odd_offset ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/workdir/src/iterator.rs:262:5 [INFO] [stderr] | [INFO] [stderr] 262 | ((1 << 30) * (1 << (n - 30))) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 26 tests [INFO] [stdout] test src/lib.rs - count (line 231) ... ok [INFO] [stdout] test src/iterator.rs - iterator::Iterator::right_child (line 222) ... ok [INFO] [stdout] test src/lib.rs - children (line 113) ... ok [INFO] [stdout] test src/iterator.rs - iterator::Iterator::seek (line 62) ... ok [INFO] [stdout] test src/iterator.rs - iterator::Iterator::sibling (line 129) ... ok [INFO] [stdout] test src/iterator.rs - iterator::Iterator::left_child (line 203) ... ok [INFO] [stdout] test src/iterator.rs - iterator::Iterator::parent (line 146) ... ok [INFO] [stdout] test src/iterator.rs - iterator::Iterator::right_span (line 185) ... ok [INFO] [stdout] test src/iterator.rs - iterator::Iterator::new (line 25) ... ok [INFO] [stdout] test src/iterator.rs - iterator::Iterator::is_left (line 84) ... ok [INFO] [stdout] test src/iterator.rs - iterator::Iterator::prev (line 110) ... ok [INFO] [stdout] test src/iterator.rs - iterator::Iterator::left_span (line 167) ... ok [INFO] [stdout] test src/iterator.rs - iterator (line 2) ... ok [INFO] [stdout] test src/iterator.rs - iterator::Iterator::is_right (line 97) ... ok [INFO] [stdout] test src/lib.rs - offset (line 47) ... ok [INFO] [stdout] test src/lib.rs - left_span (line 196) ... ok [INFO] [stdout] test src/lib.rs - left_child (line 135) ... ok [INFO] [stdout] test src/lib.rs - right_child (line 155) ... ok [INFO] [stdout] test src/lib.rs - index (line 12) ... ok [INFO] [stdout] test src/lib.rs - depth (line 31) ... ok [INFO] [stdout] test src/lib.rs - full_roots (line 256) ... ok [INFO] [stdout] test src/lib.rs - spans (line 216) ... ok [INFO] [stdout] test src/lib.rs - right_span (line 176) ... ok [INFO] [stdout] test src/lib.rs - parent (line 67) ... ok [INFO] [stdout] test src/lib.rs - uncle (line 98) ... ok [INFO] [stdout] test src/lib.rs - sibling (line 83) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.42s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5467be32028679d96e5eaa96fb6787c648bd13f89b6b6ace99dae7ad2440d72d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5467be32028679d96e5eaa96fb6787c648bd13f89b6b6ace99dae7ad2440d72d", kill_on_drop: false }` [INFO] [stdout] 5467be32028679d96e5eaa96fb6787c648bd13f89b6b6ace99dae7ad2440d72d