[INFO] fetching crate flat-tree 5.0.0... [INFO] testing flat-tree-5.0.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479 [INFO] extracting crate flat-tree 5.0.0 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate flat-tree 5.0.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2bf64e6396433fd7aebed84794fbf7c77d588cd476c9102b3801448ddb868ac3 [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" "2bf64e6396433fd7aebed84794fbf7c77d588cd476c9102b3801448ddb868ac3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2bf64e6396433fd7aebed84794fbf7c77d588cd476c9102b3801448ddb868ac3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2bf64e6396433fd7aebed84794fbf7c77d588cd476c9102b3801448ddb868ac3", kill_on_drop: false }` [INFO] [stdout] 2bf64e6396433fd7aebed84794fbf7c77d588cd476c9102b3801448ddb868ac3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 38ccea10f424c81f359f2d9bccbb156c0fac4568561d763a86ad85a5592e288c [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" "38ccea10f424c81f359f2d9bccbb156c0fac4568561d763a86ad85a5592e288c", 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: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:287:5 [INFO] [stdout] | [INFO] [stdout] 287 | / format!( [INFO] [stdout] 288 | | "You can only look up roots for depth 0 blocks, got index {}", [INFO] [stdout] 289 | | i [INFO] [stdout] 290 | | ) [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 287 | [INFO] [stdout] 288 | "You can only look up roots for depth 0 blocks, got index {}", [INFO] [stdout] 289 | i [INFO] [stdout] 290 | [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "38ccea10f424c81f359f2d9bccbb156c0fac4568561d763a86ad85a5592e288c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38ccea10f424c81f359f2d9bccbb156c0fac4568561d763a86ad85a5592e288c", kill_on_drop: false }` [INFO] [stdout] 38ccea10f424c81f359f2d9bccbb156c0fac4568561d763a86ad85a5592e288c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--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] 513e088d2c10041243a70e78f0c04a417986bb313ca1ab810e2d4d28bd9ba9a2 [INFO] running `Command { std: "docker" "start" "-a" "513e088d2c10041243a70e78f0c04a417986bb313ca1ab810e2d4d28bd9ba9a2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling memchr v2.4.0 [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: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:287:5 [INFO] [stdout] | [INFO] [stdout] 287 | / format!( [INFO] [stdout] 288 | | "You can only look up roots for depth 0 blocks, got index {}", [INFO] [stdout] 289 | | i [INFO] [stdout] 290 | | ) [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 287 | [INFO] [stdout] 288 | "You can only look up roots for depth 0 blocks, got index {}", [INFO] [stdout] 289 | i [INFO] [stdout] 290 | [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling bstr v0.2.16 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling criterion v0.3.5 [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: panic message is not a string literal [INFO] [stdout] --> src/lib.rs:287:5 [INFO] [stdout] | [INFO] [stdout] 287 | / format!( [INFO] [stdout] 288 | | "You can only look up roots for depth 0 blocks, got index {}", [INFO] [stdout] 289 | | i [INFO] [stdout] 290 | | ) [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 287 | [INFO] [stdout] 288 | "You can only look up roots for depth 0 blocks, got index {}", [INFO] [stdout] 289 | i [INFO] [stdout] 290 | [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 20.66s [INFO] running `Command { std: "docker" "inspect" "513e088d2c10041243a70e78f0c04a417986bb313ca1ab810e2d4d28bd9ba9a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "513e088d2c10041243a70e78f0c04a417986bb313ca1ab810e2d4d28bd9ba9a2", kill_on_drop: false }` [INFO] [stdout] 513e088d2c10041243a70e78f0c04a417986bb313ca1ab810e2d4d28bd9ba9a2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f5d761278a0fb2b69b418eb8713a3dd55c59128c1b338e5804523f0d2effb01f [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" "f5d761278a0fb2b69b418eb8713a3dd55c59128c1b338e5804523f0d2effb01f", 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: panic message is not a string literal [INFO] [stderr] --> src/lib.rs:287:5 [INFO] [stderr] | [INFO] [stderr] 287 | / format!( [INFO] [stderr] 288 | | "You can only look up roots for depth 0 blocks, got index {}", [INFO] [stderr] 289 | | i [INFO] [stderr] 290 | | ) [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: the assert!() macro supports formatting, so there's no need for the format!() macro here [INFO] [stderr] help: remove the `format!(..)` macro call [INFO] [stderr] | [INFO] [stderr] 287 | [INFO] [stderr] 288 | "You can only look up roots for depth 0 blocks, got index {}", [INFO] [stderr] 289 | i [INFO] [stderr] 290 | [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `flat-tree` (lib) generated 2 warnings [INFO] [stderr] warning: `flat-tree` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/flat_tree-54fb4287091232f4) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test iterator::tests::test_two_pow ... ok [INFO] [stdout] test iterator::tests::test_two_pow_64bit ... 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] test tests::test_is_even ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running tests/iterator.rs (/opt/rustwide/target/debug/deps/iterator-25f6085a8957bab4) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test iterator ... ok [INFO] [stdout] test non_leaf_start ... 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/iterator_regression.rs (/opt/rustwide/target/debug/deps/iterator_regression-8e7e22a18a891db2) [INFO] [stdout] [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 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests flat-tree [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] [stdout] [INFO] [stderr] warning: 1 warning emitted [INFO] [stdout] running 26 tests [INFO] [stderr] [INFO] [stdout] test src/iterator.rs - iterator::Iterator::prev (line 110) ... ok [INFO] [stdout] test src/iterator.rs - iterator::Iterator::left_child (line 203) ... ok [INFO] [stdout] test src/iterator.rs - iterator::Iterator::is_right (line 97) ... ok [INFO] [stdout] test src/iterator.rs - iterator::Iterator::parent (line 146) ... ok [INFO] [stdout] test src/iterator.rs - iterator (line 2) ... ok [INFO] [stdout] test src/iterator.rs - iterator::Iterator::left_span (line 167) ... ok [INFO] [stdout] test src/iterator.rs - iterator::Iterator::is_left (line 84) ... ok [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 - depth (line 31) ... ok [INFO] [stdout] test src/iterator.rs - iterator::Iterator::seek (line 62) ... ok [INFO] [stdout] test src/lib.rs - children (line 113) ... ok [INFO] [stdout] test src/iterator.rs - iterator::Iterator::right_span (line 185) ... ok [INFO] [stdout] test src/lib.rs - full_roots (line 256) ... ok [INFO] [stdout] test src/iterator.rs - iterator::Iterator::sibling (line 129) ... ok [INFO] [stdout] test src/iterator.rs - iterator::Iterator::new (line 25) ... ok [INFO] [stdout] test src/lib.rs - right_child (line 155) ... ok [INFO] [stdout] test src/lib.rs - offset (line 47) ... ok [INFO] [stdout] test src/lib.rs - index (line 12) ... ok [INFO] [stdout] test src/lib.rs - sibling (line 83) ... ok [INFO] [stdout] test src/lib.rs - left_child (line 135) ... ok [INFO] [stdout] test src/lib.rs - left_span (line 196) ... 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 - spans (line 216) ... ok [INFO] [stdout] test src/lib.rs - uncle (line 98) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.23s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f5d761278a0fb2b69b418eb8713a3dd55c59128c1b338e5804523f0d2effb01f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5d761278a0fb2b69b418eb8713a3dd55c59128c1b338e5804523f0d2effb01f", kill_on_drop: false }` [INFO] [stdout] f5d761278a0fb2b69b418eb8713a3dd55c59128c1b338e5804523f0d2effb01f