[INFO] fetching crate bitfields 0.2.0... [INFO] testing bitfields-0.2.0 against beta-2021-09-08 for beta-1.56-1 [INFO] extracting crate bitfields 0.2.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate bitfields 0.2.0 on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate bitfields 0.2.0 [INFO] finished tweaking crates.io crate bitfields 0.2.0 [INFO] tweaked toml for crates.io crate bitfields 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0c97b819eb7116c73bffbd18b6c4da80fc5e33f3375b2595888e7e8a1afeb0d4 [INFO] running `Command { std: "docker" "start" "-a" "0c97b819eb7116c73bffbd18b6c4da80fc5e33f3375b2595888e7e8a1afeb0d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c97b819eb7116c73bffbd18b6c4da80fc5e33f3375b2595888e7e8a1afeb0d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c97b819eb7116c73bffbd18b6c4da80fc5e33f3375b2595888e7e8a1afeb0d4", kill_on_drop: false }` [INFO] [stdout] 0c97b819eb7116c73bffbd18b6c4da80fc5e33f3375b2595888e7e8a1afeb0d4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 322a46b9113349d2724c3792edbb4c15709eab9e1e5083c89cc431f22551483a [INFO] running `Command { std: "docker" "start" "-a" "322a46b9113349d2724c3792edbb4c15709eab9e1e5083c89cc431f22551483a", kill_on_drop: false }` [INFO] [stderr] Compiling bitfields v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | ((target >> pos) & 0b1) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `byte_bit_offset` [INFO] [stdout] --> src/lib.rs:105:12 [INFO] [stdout] | [INFO] [stdout] 105 | pub fn byte_bit_offset(idx: usize) -> (usize, usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_bit` [INFO] [stdout] --> src/lib.rs:113:12 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn test_bit(target: &u8, pos: usize) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `set_bit` [INFO] [stdout] --> src/lib.rs:117:12 [INFO] [stdout] | [INFO] [stdout] 117 | pub fn set_bit(target: &mut u8, pos: usize) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `unset_bit` [INFO] [stdout] --> src/lib.rs:125:12 [INFO] [stdout] | [INFO] [stdout] 125 | pub fn unset_bit(target: &mut u8, pos: usize) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `toggle_bit` [INFO] [stdout] --> src/lib.rs:129:12 [INFO] [stdout] | [INFO] [stdout] 129 | pub fn toggle_bit(target: &mut u8, pos: usize) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.90s [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "322a46b9113349d2724c3792edbb4c15709eab9e1e5083c89cc431f22551483a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "322a46b9113349d2724c3792edbb4c15709eab9e1e5083c89cc431f22551483a", kill_on_drop: false }` [INFO] [stdout] 322a46b9113349d2724c3792edbb4c15709eab9e1e5083c89cc431f22551483a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3c89079d2b703453d992c8f7f262d1f240912dcd0ce6d700d0448ede862331e3 [INFO] running `Command { std: "docker" "start" "-a" "3c89079d2b703453d992c8f7f262d1f240912dcd0ce6d700d0448ede862331e3", kill_on_drop: false }` [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | ((target >> pos) & 0b1) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling bitfields v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `byte_bit_offset` [INFO] [stdout] --> src/lib.rs:105:12 [INFO] [stdout] | [INFO] [stdout] 105 | pub fn byte_bit_offset(idx: usize) -> (usize, usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_bit` [INFO] [stdout] --> src/lib.rs:113:12 [INFO] [stdout] | [INFO] [stdout] 113 | pub fn test_bit(target: &u8, pos: usize) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `set_bit` [INFO] [stdout] --> src/lib.rs:117:12 [INFO] [stdout] | [INFO] [stdout] 117 | pub fn set_bit(target: &mut u8, pos: usize) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `unset_bit` [INFO] [stdout] --> src/lib.rs:125:12 [INFO] [stdout] | [INFO] [stdout] 125 | pub fn unset_bit(target: &mut u8, pos: usize) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `toggle_bit` [INFO] [stdout] --> src/lib.rs:129:12 [INFO] [stdout] | [INFO] [stdout] 129 | pub fn toggle_bit(target: &mut u8, pos: usize) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/lib.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | ((target >> pos) & 0b1) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:394:13 [INFO] [stdout] | [INFO] [stdout] 394 | let mut storage = vec![0u8]; [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `byte_bit_offset` [INFO] [stdout] --> src/lib.rs:105:12 [INFO] [stdout] | [INFO] [stdout] 105 | pub fn byte_bit_offset(idx: usize) -> (usize, usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.58s [INFO] running `Command { std: "docker" "inspect" "3c89079d2b703453d992c8f7f262d1f240912dcd0ce6d700d0448ede862331e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c89079d2b703453d992c8f7f262d1f240912dcd0ce6d700d0448ede862331e3", kill_on_drop: false }` [INFO] [stdout] 3c89079d2b703453d992c8f7f262d1f240912dcd0ce6d700d0448ede862331e3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c358c8d9887b1a8e905add3e5bdcaf5f7f645c1107d08b71559eec6ac9889cd0 [INFO] running `Command { std: "docker" "start" "-a" "c358c8d9887b1a8e905add3e5bdcaf5f7f645c1107d08b71559eec6ac9889cd0", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/lib.rs:110:9 [INFO] [stderr] | [INFO] [stderr] 110 | ((target >> pos) & 0b1) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `byte_bit_offset` [INFO] [stderr] --> src/lib.rs:105:12 [INFO] [stderr] | [INFO] [stderr] 105 | pub fn byte_bit_offset(idx: usize) -> (usize, usize) { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_bit` [INFO] [stderr] --> src/lib.rs:113:12 [INFO] [stderr] | [INFO] [stderr] 113 | pub fn test_bit(target: &u8, pos: usize) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `set_bit` [INFO] [stderr] --> src/lib.rs:117:12 [INFO] [stderr] | [INFO] [stderr] 117 | pub fn set_bit(target: &mut u8, pos: usize) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `unset_bit` [INFO] [stderr] --> src/lib.rs:125:12 [INFO] [stderr] | [INFO] [stderr] 125 | pub fn unset_bit(target: &mut u8, pos: usize) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `toggle_bit` [INFO] [stderr] --> src/lib.rs:129:12 [INFO] [stderr] | [INFO] [stderr] 129 | pub fn toggle_bit(target: &mut u8, pos: usize) { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `bitfields` (lib) generated 6 warnings [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:394:13 [INFO] [stderr] | [INFO] [stderr] 394 | let mut storage = vec![0u8]; [INFO] [stderr] | ----^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `bitfields` (lib test) generated 3 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/bitfields-477d09f23ca92d96) [INFO] [stdout] [INFO] [stdout] running 16 tests [INFO] [stdout] test bit_twiddles::twiddle_tests::set ... ok [INFO] [stdout] test bit_twiddles::twiddle_tests::get ... ok [INFO] [stdout] test bit_twiddles::twiddle_tests::set_to ... ok [INFO] [stdout] test bit_twiddles::twiddle_tests::test ... ok [INFO] [stdout] test bit_twiddles::twiddle_tests::unset ... ok [INFO] [stdout] test bit_twiddles::twiddle_tests::toggle ... ok [INFO] [stdout] test tests::corrupted_read ... ok [INFO] [stdout] test tests::invalid_field ... ok [INFO] [stdout] test tests::overwrite ... ok [INFO] [stdout] test tests::store_too_wide ... ok [INFO] [stdout] test tests::store_and_retrieve ... ok [INFO] [stdout] test bit_twiddles::twiddle_tests::get_with_large_pos - should panic ... ok [INFO] [stdout] test bit_twiddles::twiddle_tests::set_to_with_large_pos - should panic ... ok [INFO] [stdout] test bit_twiddles::twiddle_tests::set_with_large_pos - should panic ... ok [INFO] [stdout] test bit_twiddles::twiddle_tests::toggle_with_large_pos - should panic ... ok [INFO] [stdout] test bit_twiddles::twiddle_tests::unset_with_large_pos - should panic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests bitfields [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> /opt/rustwide/workdir/src/lib.rs:110:9 [INFO] [stderr] | [INFO] [stderr] 110 | ((target >> pos) & 0b1) [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 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c358c8d9887b1a8e905add3e5bdcaf5f7f645c1107d08b71559eec6ac9889cd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c358c8d9887b1a8e905add3e5bdcaf5f7f645c1107d08b71559eec6ac9889cd0", kill_on_drop: false }` [INFO] [stdout] c358c8d9887b1a8e905add3e5bdcaf5f7f645c1107d08b71559eec6ac9889cd0