[INFO] fetching crate bitfields 0.2.0... [INFO] testing bitfields-0.2.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479 [INFO] extracting crate bitfields 0.2.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate bitfields 0.2.0 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 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-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 324171c466ca55ba8e6e7a98ed307f2c541278e1e88e9f34445f6f8130b34bc1 [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" "324171c466ca55ba8e6e7a98ed307f2c541278e1e88e9f34445f6f8130b34bc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "324171c466ca55ba8e6e7a98ed307f2c541278e1e88e9f34445f6f8130b34bc1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "324171c466ca55ba8e6e7a98ed307f2c541278e1e88e9f34445f6f8130b34bc1", kill_on_drop: false }` [INFO] [stdout] 324171c466ca55ba8e6e7a98ed307f2c541278e1e88e9f34445f6f8130b34bc1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 1556d5b3c83fe822fa102e6d409f3035e7b37de7509b1ccf6e816a49a45c7c0a [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" "1556d5b3c83fe822fa102e6d409f3035e7b37de7509b1ccf6e816a49a45c7c0a", 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] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.28s [INFO] running `Command { std: "docker" "inspect" "1556d5b3c83fe822fa102e6d409f3035e7b37de7509b1ccf6e816a49a45c7c0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1556d5b3c83fe822fa102e6d409f3035e7b37de7509b1ccf6e816a49a45c7c0a", kill_on_drop: false }` [INFO] [stdout] 1556d5b3c83fe822fa102e6d409f3035e7b37de7509b1ccf6e816a49a45c7c0a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 023e07d9846a9e98023110512595ec874b4a60c04f908343da794419a924ff2b [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" "023e07d9846a9e98023110512595ec874b4a60c04f908343da794419a924ff2b", 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 0.85s [INFO] running `Command { std: "docker" "inspect" "023e07d9846a9e98023110512595ec874b4a60c04f908343da794419a924ff2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "023e07d9846a9e98023110512595ec874b4a60c04f908343da794419a924ff2b", kill_on_drop: false }` [INFO] [stdout] 023e07d9846a9e98023110512595ec874b4a60c04f908343da794419a924ff2b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 272fbd916a426c38acf46d6ff1cc4de753effd2150035539c9b4d10dfdf35e46 [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" "272fbd916a426c38acf46d6ff1cc4de753effd2150035539c9b4d10dfdf35e46", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stdout] running 16 tests [INFO] [stderr] --> src/lib.rs:110:9 [INFO] [stdout] test bit_twiddles::twiddle_tests::get ... ok [INFO] [stderr] | [INFO] [stdout] test bit_twiddles::twiddle_tests::set ... ok [INFO] [stderr] 110 | ((target >> pos) & 0b1) [INFO] [stdout] test bit_twiddles::twiddle_tests::test ... ok [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] test bit_twiddles::twiddle_tests::unset ... ok [INFO] [stderr] | [INFO] [stdout] test tests::corrupted_read ... ok [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] test tests::invalid_field ... ok [INFO] [stderr] [INFO] [stdout] test tests::store_and_retrieve ... ok [INFO] [stderr] warning: function is never used: `byte_bit_offset` [INFO] [stdout] test tests::overwrite ... ok [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-bc5f8f5680ad40df) [INFO] [stdout] test tests::store_too_wide ... ok [INFO] [stdout] test bit_twiddles::twiddle_tests::toggle ... ok [INFO] [stdout] test bit_twiddles::twiddle_tests::set_to ... ok [INFO] [stderr] Doc-tests bitfields [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 0.05s [INFO] [stdout] [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" "272fbd916a426c38acf46d6ff1cc4de753effd2150035539c9b4d10dfdf35e46", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "272fbd916a426c38acf46d6ff1cc4de753effd2150035539c9b4d10dfdf35e46", kill_on_drop: false }` [INFO] [stdout] 272fbd916a426c38acf46d6ff1cc4de753effd2150035539c9b4d10dfdf35e46