[INFO] cloning repository https://github.com/intdxdt/bit_twiddle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/intdxdt/bit_twiddle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintdxdt%2Fbit_twiddle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintdxdt%2Fbit_twiddle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e25a1722075e6771960e3ceb19ad760449f39aa
[INFO] checking intdxdt/bit_twiddle against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintdxdt%2Fbit_twiddle" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/intdxdt/bit_twiddle on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/intdxdt/bit_twiddle
[INFO] finished tweaking git repo https://github.com/intdxdt/bit_twiddle
[INFO] tweaked toml for git repo https://github.com/intdxdt/bit_twiddle written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/intdxdt/bit_twiddle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1678f9e63e4f9d9d357ca8a3e7d06124728d797544a3cd438ad5f011a6ef4ee
[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" "f1678f9e63e4f9d9d357ca8a3e7d06124728d797544a3cd438ad5f011a6ef4ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1678f9e63e4f9d9d357ca8a3e7d06124728d797544a3cd438ad5f011a6ef4ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1678f9e63e4f9d9d357ca8a3e7d06124728d797544a3cd438ad5f011a6ef4ee", kill_on_drop: false }`
[INFO] [stdout] f1678f9e63e4f9d9d357ca8a3e7d06124728d797544a3cd438ad5f011a6ef4ee
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 515bc6369b8f92cc8d61db094b075cd0b8acba312c85d96fcdbd69b9be5fd6a0
[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" "515bc6369b8f92cc8d61db094b075cd0b8acba312c85d96fcdbd69b9be5fd6a0", kill_on_drop: false }`
[INFO] [stderr]     Checking bit_twiddle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:220:24
[INFO] [stdout]     |
[INFO] [stdout] 220 |     (REVERSE_TABLE[usz((v & 0xff))] << 24) |
[INFO] [stdout]     |                        ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:220:24
[INFO] [stdout]     |
[INFO] [stdout] 220 |     (REVERSE_TABLE[usz((v & 0xff))] << 24) |
[INFO] [stdout]     |                        ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:360:29
[INFO] [stdout]     |
[INFO] [stdout] 360 |             assert!(is_pow2((1 << i)));
[INFO] [stdout]     |                             ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:375:29
[INFO] [stdout]     |
[INFO] [stdout] 375 |             assert_eq!(log2((1 << i)), i);
[INFO] [stdout]     |                             ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:425:34
[INFO] [stdout]     |
[INFO] [stdout] 425 |             assert_eq!(next_pow2((1 << i)), 1 << i);
[INFO] [stdout]     |                                  ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/lib.rs:440:34
[INFO] [stdout]     |
[INFO] [stdout] 440 |             assert_eq!(prev_pow2((1 << i)), 1 << i);
[INFO] [stdout]     |                                  ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "515bc6369b8f92cc8d61db094b075cd0b8acba312c85d96fcdbd69b9be5fd6a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "515bc6369b8f92cc8d61db094b075cd0b8acba312c85d96fcdbd69b9be5fd6a0", kill_on_drop: false }`
[INFO] [stdout] 515bc6369b8f92cc8d61db094b075cd0b8acba312c85d96fcdbd69b9be5fd6a0