[INFO] fetching crate bitfields 0.2.0...
[INFO] checking bitfields-0.2.0 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate bitfields 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate bitfields 0.2.0 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "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-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd1116f93438d331af59ed2209787b78fa7cde454dd17caf1ccbdcd7ff09f3f9
[INFO] running `Command { std: "docker" "start" "-a" "bd1116f93438d331af59ed2209787b78fa7cde454dd17caf1ccbdcd7ff09f3f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd1116f93438d331af59ed2209787b78fa7cde454dd17caf1ccbdcd7ff09f3f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd1116f93438d331af59ed2209787b78fa7cde454dd17caf1ccbdcd7ff09f3f9", kill_on_drop: false }`
[INFO] [stdout] bd1116f93438d331af59ed2209787b78fa7cde454dd17caf1ccbdcd7ff09f3f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e4b5e4758bf9632cf220fd9640b7bc6a7fbbecdb4d13b8c10be661f7e97a30c
[INFO] running `Command { std: "docker" "start" "-a" "2e4b5e4758bf9632cf220fd9640b7bc6a7fbbecdb4d13b8c10be661f7e97a30c", kill_on_drop: false }`
[INFO] [stderr]     Checking 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]     |         ^                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 110 -         ((target >> pos) & 0b1)
[INFO] [stdout] 110 +         (target >> pos) & 0b1
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `byte_bit_offset` is never used
[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 `test_bit` is never used
[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 `set_bit` is never used
[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 `unset_bit` is never used
[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 `toggle_bit` is never used
[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: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/lib.rs:110:9
[INFO] [stdout]     |
[INFO] [stdout] 110 |         ((target >> pos) & 0b1)
[INFO] [stdout]     |         ^                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 110 -         ((target >> pos) & 0b1)
[INFO] [stdout] 110 +         (target >> pos) & 0b1
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[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 `byte_bit_offset` is never used
[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 dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "2e4b5e4758bf9632cf220fd9640b7bc6a7fbbecdb4d13b8c10be661f7e97a30c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e4b5e4758bf9632cf220fd9640b7bc6a7fbbecdb4d13b8c10be661f7e97a30c", kill_on_drop: false }`
[INFO] [stdout] 2e4b5e4758bf9632cf220fd9640b7bc6a7fbbecdb4d13b8c10be661f7e97a30c
