[INFO] fetching crate ur20 0.5.1...
[INFO] checking ur20-0.5.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate ur20 0.5.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate ur20 0.5.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "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-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages
[INFO] [stderr]       Adding num-derive v0.2.5 (latest: v0.4.2)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.79)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.35)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.58)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a07705f9ce94566d56bb866ae4553dda9c66752d59f98f0a0fce07889c32a94d
[INFO] running `Command { std: "docker" "start" "-a" "a07705f9ce94566d56bb866ae4553dda9c66752d59f98f0a0fce07889c32a94d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a07705f9ce94566d56bb866ae4553dda9c66752d59f98f0a0fce07889c32a94d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a07705f9ce94566d56bb866ae4553dda9c66752d59f98f0a0fce07889c32a94d", kill_on_drop: false }`
[INFO] [stdout] a07705f9ce94566d56bb866ae4553dda9c66752d59f98f0a0fce07889c32a94d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10bc3a2fa2652cd5e72f825fac67481c5ae92a1359121c1a6a2abec23d7d2eda
[INFO] running `Command { std: "docker" "start" "-a" "10bc3a2fa2652cd5e72f825fac67481c5ae92a1359121c1a6a2abec23d7d2eda", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling quote v0.6.13
[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 3.18s
[INFO] running `Command { std: "docker" "inspect" "10bc3a2fa2652cd5e72f825fac67481c5ae92a1359121c1a6a2abec23d7d2eda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10bc3a2fa2652cd5e72f825fac67481c5ae92a1359121c1a6a2abec23d7d2eda", kill_on_drop: false }`
[INFO] [stdout] 10bc3a2fa2652cd5e72f825fac67481c5ae92a1359121c1a6a2abec23d7d2eda
[INFO] checking ur20-0.5.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate ur20 0.5.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate ur20 0.5.1 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d280246a1ecad08ca8c4ef4c71b199bc6fd663cfec0898284bdaa5f65ab1fdad
[INFO] running `Command { std: "docker" "start" "-a" "d280246a1ecad08ca8c4ef4c71b199bc6fd663cfec0898284bdaa5f65ab1fdad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d280246a1ecad08ca8c4ef4c71b199bc6fd663cfec0898284bdaa5f65ab1fdad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d280246a1ecad08ca8c4ef4c71b199bc6fd663cfec0898284bdaa5f65ab1fdad", kill_on_drop: false }`
[INFO] [stdout] d280246a1ecad08ca8c4ef4c71b199bc6fd663cfec0898284bdaa5f65ab1fdad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ade0f213511d3adc71d4c97c0eacc079562067f3e894431d94562892f222538
[INFO] running `Command { std: "docker" "start" "-a" "5ade0f213511d3adc71d4c97c0eacc079562067f3e894431d94562892f222538", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling quote v0.6.13
[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] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/ur20_4ai_rtd_diag.rs:246:13
[INFO] [stdout]     |
[INFO] [stdout] 246 |             panic!();
[INFO] [stdout]     |             ^^^^^^^^ cannot infer type
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ur20` (lib test) due to 2 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5ade0f213511d3adc71d4c97c0eacc079562067f3e894431d94562892f222538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ade0f213511d3adc71d4c97c0eacc079562067f3e894431d94562892f222538", kill_on_drop: false }`
[INFO] [stdout] 5ade0f213511d3adc71d4c97c0eacc079562067f3e894431d94562892f222538