[INFO] fetching crate ur20 0.5.1... [INFO] checking ur20-0.5.1 against try#de0e80659cee4f27282e60d63bbb8c5271a0d147 for pr-129392 [INFO] extracting crate ur20 0.5.1 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate ur20 0.5.1 on toolchain de0e80659cee4f27282e60d63bbb8c5271a0d147 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate ur20 0.5.1 [INFO] finished tweaking crates.io crate ur20 0.5.1 [INFO] tweaked toml for crates.io crate ur20 0.5.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 10 packages to latest compatible versions [INFO] [stderr] Adding num-derive v0.2.5 (latest: v0.4.2) [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.86) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.37) [INFO] [stderr] Adding syn v0.15.44 (latest: v2.0.77) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.5) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b39c1e5f563b6de285fcb75bea1a4578ff3515bdb49dd97b749e965d537c2038 [INFO] running `Command { std: "docker" "start" "-a" "b39c1e5f563b6de285fcb75bea1a4578ff3515bdb49dd97b749e965d537c2038", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b39c1e5f563b6de285fcb75bea1a4578ff3515bdb49dd97b749e965d537c2038", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b39c1e5f563b6de285fcb75bea1a4578ff3515bdb49dd97b749e965d537c2038", kill_on_drop: false }` [INFO] [stdout] b39c1e5f563b6de285fcb75bea1a4578ff3515bdb49dd97b749e965d537c2038 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+de0e80659cee4f27282e60d63bbb8c5271a0d147" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 657024ab10603eb6e05fbfb12db48a16fee736704f2395d6c1e1efc8ee9892d2 [INFO] running `Command { std: "docker" "start" "-a" "657024ab10603eb6e05fbfb12db48a16fee736704f2395d6c1e1efc8ee9892d2", kill_on_drop: false }` [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Checking ur20 v0.5.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/util.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | (1 << bit) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 23 - (1 << bit) [INFO] [stdout] 23 + 1 << bit [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/util.rs:61:26 [INFO] [stdout] | [INFO] [stdout] 61 | mA0To20 => (factor * v / 20.0), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 61 - mA0To20 => (factor * v / 20.0), [INFO] [stdout] 61 + mA0To20 => factor * v / 20.0, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/util.rs:62:26 [INFO] [stdout] | [INFO] [stdout] 62 | mA4To20 => (factor * (v - 4.0) / 16.0), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 62 - mA4To20 => (factor * (v - 4.0) / 16.0), [INFO] [stdout] 62 + mA4To20 => factor * (v - 4.0) / 16.0, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/util.rs:64:26 [INFO] [stdout] | [INFO] [stdout] 64 | VMinus10To10 => (factor * v / 10.0), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 64 - VMinus10To10 => (factor * v / 10.0), [INFO] [stdout] 64 + VMinus10To10 => factor * v / 10.0, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/util.rs:66:26 [INFO] [stdout] | [INFO] [stdout] 66 | VMinus5To5 => (factor * v / 5.0), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 66 - VMinus5To5 => (factor * v / 5.0), [INFO] [stdout] 66 + VMinus5To5 => factor * v / 5.0, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/util.rs:67:26 [INFO] [stdout] | [INFO] [stdout] 67 | V1To5 => (factor * (v - 1.0) / 4.0), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 67 - V1To5 => (factor * (v - 1.0) / 4.0), [INFO] [stdout] 67 + V1To5 => factor * (v - 1.0) / 4.0, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/util.rs:68:26 [INFO] [stdout] | [INFO] [stdout] 68 | V2To10 => (factor * (v - 2.0) / 8.0), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 68 - V2To10 => (factor * (v - 2.0) / 8.0), [INFO] [stdout] 68 + V2To10 => factor * (v - 2.0) / 8.0, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/util.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | (1 << bit) [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 23 - (1 << bit) [INFO] [stdout] 23 + 1 << bit [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/util.rs:61:26 [INFO] [stdout] | [INFO] [stdout] 61 | mA0To20 => (factor * v / 20.0), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 61 - mA0To20 => (factor * v / 20.0), [INFO] [stdout] 61 + mA0To20 => factor * v / 20.0, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/util.rs:62:26 [INFO] [stdout] | [INFO] [stdout] 62 | mA4To20 => (factor * (v - 4.0) / 16.0), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 62 - mA4To20 => (factor * (v - 4.0) / 16.0), [INFO] [stdout] 62 + mA4To20 => factor * (v - 4.0) / 16.0, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/util.rs:64:26 [INFO] [stdout] | [INFO] [stdout] 64 | VMinus10To10 => (factor * v / 10.0), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 64 - VMinus10To10 => (factor * v / 10.0), [INFO] [stdout] 64 + VMinus10To10 => factor * v / 10.0, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/util.rs:66:26 [INFO] [stdout] | [INFO] [stdout] 66 | VMinus5To5 => (factor * v / 5.0), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 66 - VMinus5To5 => (factor * v / 5.0), [INFO] [stdout] 66 + VMinus5To5 => factor * v / 5.0, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/util.rs:67:26 [INFO] [stdout] | [INFO] [stdout] 67 | V1To5 => (factor * (v - 1.0) / 4.0), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 67 - V1To5 => (factor * (v - 1.0) / 4.0), [INFO] [stdout] 67 + V1To5 => factor * (v - 1.0) / 4.0, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around match arm expression [INFO] [stdout] --> src/util.rs:68:26 [INFO] [stdout] | [INFO] [stdout] 68 | V2To10 => (factor * (v - 2.0) / 8.0), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 68 - V2To10 => (factor * (v - 2.0) / 8.0), [INFO] [stdout] 68 + V2To10 => factor * (v - 2.0) / 8.0, [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.07s [INFO] running `Command { std: "docker" "inspect" "657024ab10603eb6e05fbfb12db48a16fee736704f2395d6c1e1efc8ee9892d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "657024ab10603eb6e05fbfb12db48a16fee736704f2395d6c1e1efc8ee9892d2", kill_on_drop: false }` [INFO] [stdout] 657024ab10603eb6e05fbfb12db48a16fee736704f2395d6c1e1efc8ee9892d2