[INFO] fetching crate skipping-search 0.1.0... [INFO] testing skipping-search-0.1.0 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate skipping-search 0.1.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate skipping-search 0.1.0 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 skipping-search 0.1.0 [INFO] finished tweaking crates.io crate skipping-search 0.1.0 [INFO] tweaked toml for crates.io crate skipping-search 0.1.0 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 1f66a1ed5bac23116c014138264f4d0b0aaf7fdecc0b35f41a52fcd66eabe432 [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" "1f66a1ed5bac23116c014138264f4d0b0aaf7fdecc0b35f41a52fcd66eabe432", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1f66a1ed5bac23116c014138264f4d0b0aaf7fdecc0b35f41a52fcd66eabe432", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f66a1ed5bac23116c014138264f4d0b0aaf7fdecc0b35f41a52fcd66eabe432", kill_on_drop: false }` [INFO] [stdout] 1f66a1ed5bac23116c014138264f4d0b0aaf7fdecc0b35f41a52fcd66eabe432 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 1f46b2d67b08da4db2dd77531dd91fb01c88d9532e3735fedb1a263f5db82289 [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" "1f46b2d67b08da4db2dd77531dd91fb01c88d9532e3735fedb1a263f5db82289", kill_on_drop: false }` [INFO] [stderr] Compiling skipping-search v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/lib.rs:82:5 [INFO] [stdout] | [INFO] [stdout] 82 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/lib.rs:88:5 [INFO] [stdout] | [INFO] [stdout] 88 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/lib.rs:96:5 [INFO] [stdout] | [INFO] [stdout] 96 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:331:21 [INFO] [stdout] | [INFO] [stdout] 331 | mem::replace(&mut *smallest_of_largest, candidate); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:363:21 [INFO] [stdout] | [INFO] [stdout] 363 | mem::replace(&mut *largest_of_smallest, max); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.95s [INFO] running `Command { std: "docker" "inspect" "1f46b2d67b08da4db2dd77531dd91fb01c88d9532e3735fedb1a263f5db82289", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f46b2d67b08da4db2dd77531dd91fb01c88d9532e3735fedb1a263f5db82289", kill_on_drop: false }` [INFO] [stdout] 1f46b2d67b08da4db2dd77531dd91fb01c88d9532e3735fedb1a263f5db82289 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] df81f88f47bea8e81ea3b0a2b27bbb2efac3dbd340851b02a6fab1fea7fa749b [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" "df81f88f47bea8e81ea3b0a2b27bbb2efac3dbd340851b02a6fab1fea7fa749b", kill_on_drop: false }` [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/lib.rs:82:5 [INFO] [stdout] | [INFO] [stdout] 82 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/lib.rs:88:5 [INFO] [stdout] | [INFO] [stdout] 88 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/lib.rs:96:5 [INFO] [stdout] | [INFO] [stdout] 96 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:331:21 [INFO] [stdout] | [INFO] [stdout] 331 | mem::replace(&mut *smallest_of_largest, candidate); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:363:21 [INFO] [stdout] | [INFO] [stdout] 363 | mem::replace(&mut *largest_of_smallest, max); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rusty-fork v0.2.2 [INFO] [stderr] Compiling bit-set v0.5.2 [INFO] [stderr] Compiling proptest v0.7.2 [INFO] [stderr] Compiling skipping-search v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/lib.rs:82:5 [INFO] [stdout] | [INFO] [stdout] 82 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/lib.rs:88:5 [INFO] [stdout] | [INFO] [stdout] 88 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `#[inline]` is ignored on function prototypes [INFO] [stdout] --> src/lib.rs:96:5 [INFO] [stdout] | [INFO] [stdout] 96 | #[inline] [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:331:21 [INFO] [stdout] | [INFO] [stdout] 331 | mem::replace(&mut *smallest_of_largest, candidate); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/lib.rs:363:21 [INFO] [stdout] | [INFO] [stdout] 363 | mem::replace(&mut *largest_of_smallest, max); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 17.97s [INFO] running `Command { std: "docker" "inspect" "df81f88f47bea8e81ea3b0a2b27bbb2efac3dbd340851b02a6fab1fea7fa749b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df81f88f47bea8e81ea3b0a2b27bbb2efac3dbd340851b02a6fab1fea7fa749b", kill_on_drop: false }` [INFO] [stdout] df81f88f47bea8e81ea3b0a2b27bbb2efac3dbd340851b02a6fab1fea7fa749b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] dc23feef63cf44de620665ff5bd9d695862239419a966371615487b56e2cf99b [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" "dc23feef63cf44de620665ff5bd9d695862239419a966371615487b56e2cf99b", kill_on_drop: false }` [INFO] [stderr] warning: `#[inline]` is ignored on function prototypes [INFO] [stderr] --> src/lib.rs:82:5 [INFO] [stderr] | [INFO] [stderr] 82 | #[inline] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_attributes)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `#[inline]` is ignored on function prototypes [INFO] [stderr] --> src/lib.rs:88:5 [INFO] [stderr] | [INFO] [stderr] 88 | #[inline] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `#[inline]` is ignored on function prototypes [INFO] [stderr] --> src/lib.rs:96:5 [INFO] [stderr] | [INFO] [stderr] 96 | #[inline] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/lib.rs:331:21 [INFO] [stderr] | [INFO] [stderr] 331 | mem::replace(&mut *smallest_of_largest, candidate); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/lib.rs:363:21 [INFO] [stderr] | [INFO] [stderr] 363 | mem::replace(&mut *largest_of_smallest, max); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: `#[inline]` is ignored on function prototypes [INFO] [stderr] --> src/lib.rs:82:5 [INFO] [stderr] | [INFO] [stderr] 82 | #[inline] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_attributes)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `#[inline]` is ignored on function prototypes [INFO] [stderr] --> src/lib.rs:88:5 [INFO] [stderr] | [INFO] [stderr] 88 | #[inline] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `#[inline]` is ignored on function prototypes [INFO] [stderr] --> src/lib.rs:96:5 [INFO] [stderr] | [INFO] [stderr] 96 | #[inline] [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/lib.rs:331:21 [INFO] [stderr] | [INFO] [stderr] 331 | mem::replace(&mut *smallest_of_largest, candidate); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/lib.rs:363:21 [INFO] [stderr] | [INFO] [stderr] 363 | mem::replace(&mut *largest_of_smallest, max); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/skipping_search-c2b8849a4bf3ca20 [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test tests::test_pair_intersection_empty_for_non_overlapping_slices ... ok [INFO] [stdout] test tests::test_multi_intersection_empty_for_non_mutually_overlapping_slices ... ok [INFO] [stdout] test tests::test_counting_intersection_empty_for_insufficiently_overlapping_slices ... ok [INFO] [stdout] test tests::test_multi_intersection_results_for_overlapping_slices ... ok [INFO] [stdout] test tests::test_pair_intersection_results_for_overlapping_slices ... ok [INFO] [stdout] test tests::test_counting_intersection_results_for_sufficiently_overlapping_slices ... ok [INFO] [stderr] Doc-tests skipping-search [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.09s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 17) ... ok [INFO] [stdout] test src/lib.rs - (line 36) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.22s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "dc23feef63cf44de620665ff5bd9d695862239419a966371615487b56e2cf99b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc23feef63cf44de620665ff5bd9d695862239419a966371615487b56e2cf99b", kill_on_drop: false }` [INFO] [stdout] dc23feef63cf44de620665ff5bd9d695862239419a966371615487b56e2cf99b