[INFO] fetching crate Useful_Math 0.0.8...
[INFO] testing Useful_Math-0.0.8 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate Useful_Math 0.0.8 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate Useful_Math 0.0.8 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate Useful_Math 0.0.8
[INFO] finished tweaking crates.io crate Useful_Math 0.0.8
[INFO] tweaked toml for crates.io crate Useful_Math 0.0.8 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c3c7f3472558a4de43d0ffe3f6ec151f22024ea091ead7fb6e4f08f43a7ee57
[INFO] running `Command { std: "docker" "start" "-a" "9c3c7f3472558a4de43d0ffe3f6ec151f22024ea091ead7fb6e4f08f43a7ee57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c3c7f3472558a4de43d0ffe3f6ec151f22024ea091ead7fb6e4f08f43a7ee57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c3c7f3472558a4de43d0ffe3f6ec151f22024ea091ead7fb6e4f08f43a7ee57", kill_on_drop: false }`
[INFO] [stdout] 9c3c7f3472558a4de43d0ffe3f6ec151f22024ea091ead7fb6e4f08f43a7ee57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fea487cc6413772426a72f3508a0f4e7306cb228e19ac47948310bb57260885d
[INFO] running `Command { std: "docker" "start" "-a" "fea487cc6413772426a72f3508a0f4e7306cb228e19ac47948310bb57260885d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling Useful_Math v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `degrees` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     enum Mode{degrees,radians}
[INFO] [stdout]    |               ^^^^^^^ help: convert the identifier to upper camel case: `Degrees`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `radians` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |     enum Mode{degrees,radians}
[INFO] [stdout]    |                       ^^^^^^^ help: convert the identifier to upper camel case: `Radians`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]   --> src/lib.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn sin <T>(num:T,mode:Mode) -> T
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]   --> src/lib.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn cos <T>(num:T,mode:Mode) -> T
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]   --> src/lib.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn tan <T>(num:T,mode:Mode) -> T
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Mode`
[INFO] [stdout]   --> src/lib.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 |     enum Mode{degrees,radians}
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sin`
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn sin <T>(num:T,mode:Mode) -> T
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cos`
[INFO] [stdout]   --> src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn cos <T>(num:T,mode:Mode) -> T
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `tan`
[INFO] [stdout]   --> src/lib.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn tan <T>(num:T,mode:Mode) -> T
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Useful_Math` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `useful_math`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.92s
[INFO] running `Command { std: "docker" "inspect" "fea487cc6413772426a72f3508a0f4e7306cb228e19ac47948310bb57260885d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fea487cc6413772426a72f3508a0f4e7306cb228e19ac47948310bb57260885d", kill_on_drop: false }`
[INFO] [stdout] fea487cc6413772426a72f3508a0f4e7306cb228e19ac47948310bb57260885d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 445b5d13092676a50780b60cf0a0399c29a57ff82abb9d82709333f5b107a778
[INFO] running `Command { std: "docker" "start" "-a" "445b5d13092676a50780b60cf0a0399c29a57ff82abb9d82709333f5b107a778", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: variant `degrees` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     enum Mode{degrees,radians}
[INFO] [stdout]    |               ^^^^^^^ help: convert the identifier to upper camel case: `Degrees`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `radians` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |     enum Mode{degrees,radians}
[INFO] [stdout]    |                       ^^^^^^^ help: convert the identifier to upper camel case: `Radians`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]   --> src/lib.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn sin <T>(num:T,mode:Mode) -> T
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]   --> src/lib.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn cos <T>(num:T,mode:Mode) -> T
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]   --> src/lib.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn tan <T>(num:T,mode:Mode) -> T
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling Useful_Math v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `Mode`
[INFO] [stdout]   --> src/lib.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 |     enum Mode{degrees,radians}
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sin`
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn sin <T>(num:T,mode:Mode) -> T
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cos`
[INFO] [stdout]   --> src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn cos <T>(num:T,mode:Mode) -> T
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `tan`
[INFO] [stdout]   --> src/lib.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn tan <T>(num:T,mode:Mode) -> T
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Useful_Math` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `useful_math`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `degrees` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 |     enum Mode{degrees,radians}
[INFO] [stdout]    |               ^^^^^^^ help: convert the identifier to upper camel case: `Degrees`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `radians` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:22:20
[INFO] [stdout]    |
[INFO] [stdout] 22 |     enum Mode{degrees,radians}
[INFO] [stdout]    |                       ^^^^^^^ help: convert the identifier to upper camel case: `Radians`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]   --> src/lib.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn sin <T>(num:T,mode:Mode) -> T
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]   --> src/lib.rs:31:19
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn cos <T>(num:T,mode:Mode) -> T
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]   --> src/lib.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn tan <T>(num:T,mode:Mode) -> T
[INFO] [stdout]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cos_test`
[INFO] [stdout]   --> src/lib.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn cos_test() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `tan_test`
[INFO] [stdout]   --> src/lib.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn tan_test() {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Mode`
[INFO] [stdout]   --> src/lib.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 |     enum Mode{degrees,radians}
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sin`
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn sin <T>(num:T,mode:Mode) -> T
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cos`
[INFO] [stdout]   --> src/lib.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn cos <T>(num:T,mode:Mode) -> T
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `tan`
[INFO] [stdout]   --> src/lib.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn tan <T>(num:T,mode:Mode) -> T
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `Useful_Math` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `useful_math`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.51s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/Useful_Math-679941ef179a5f64)
[INFO] running `Command { std: "docker" "inspect" "445b5d13092676a50780b60cf0a0399c29a57ff82abb9d82709333f5b107a778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "445b5d13092676a50780b60cf0a0399c29a57ff82abb9d82709333f5b107a778", kill_on_drop: false }`
[INFO] [stdout] 445b5d13092676a50780b60cf0a0399c29a57ff82abb9d82709333f5b107a778
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d1e993b112634c2bc2dfe1204abc140861d1c94329b97b411bd23e8fbc459f8c
[INFO] running `Command { std: "docker" "start" "-a" "d1e993b112634c2bc2dfe1204abc140861d1c94329b97b411bd23e8fbc459f8c", kill_on_drop: false }`
[INFO] [stderr] warning: variant `degrees` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:22:12
[INFO] [stderr]    |
[INFO] [stderr] 22 |     enum Mode{degrees,radians}
[INFO] [stderr]    |               ^^^^^^^ help: convert the identifier to upper camel case: `Degrees`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `radians` should have an upper camel case name
[INFO] [stderr]   --> src/lib.rs:22:20
[INFO] [stderr]    |
[INFO] [stderr] 22 |     enum Mode{degrees,radians}
[INFO] [stderr]    |                       ^^^^^^^ help: convert the identifier to upper camel case: `Radians`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mode`
[INFO] [stderr]   --> src/lib.rs:25:19
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn sin <T>(num:T,mode:Mode) -> T
[INFO] [stderr]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mode`
[INFO] [stderr]   --> src/lib.rs:31:19
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn cos <T>(num:T,mode:Mode) -> T
[INFO] [stderr]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mode`
[INFO] [stderr]   --> src/lib.rs:37:19
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn tan <T>(num:T,mode:Mode) -> T
[INFO] [stderr]    |                      ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Mode`
[INFO] [stderr]   --> src/lib.rs:22:7
[INFO] [stderr]    |
[INFO] [stderr] 22 |     enum Mode{degrees,radians}
[INFO] [stderr]    |          ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sin`
[INFO] [stderr]   --> src/lib.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn sin <T>(num:T,mode:Mode) -> T
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cos`
[INFO] [stderr]   --> src/lib.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn cos <T>(num:T,mode:Mode) -> T
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tan`
[INFO] [stderr]   --> src/lib.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn tan <T>(num:T,mode:Mode) -> T
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `Useful_Math` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `useful_math`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cos_test`
[INFO] [stderr]   --> src/lib.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn cos_test() {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `tan_test`
[INFO] [stderr]   --> src/lib.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn tan_test() {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Mode`
[INFO] [stderr]   --> src/lib.rs:22:7
[INFO] [stderr]    |
[INFO] [stderr] 22 |     enum Mode{degrees,radians}
[INFO] [stderr]    |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `Useful_Math` (lib) generated 10 warnings
[INFO] [stderr] warning: `Useful_Math` (lib test) generated 12 warnings (9 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/Useful_Math-679941ef179a5f64)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::sin_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests Useful_Math
[INFO] [stdout] 
[INFO] [stderr] warning: variant `degrees` should have an upper camel case name
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:22:12
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 22 |     enum Mode{degrees,radians}
[INFO] [stdout] 
[INFO] [stderr]    |               ^^^^^^^ help: convert the identifier to upper camel case: `Degrees`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `radians` should have an upper camel case name
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:22:20
[INFO] [stderr]    |
[INFO] [stderr] 22 |     enum Mode{degrees,radians}
[INFO] [stderr]    |                       ^^^^^^^ help: convert the identifier to upper camel case: `Radians`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "d1e993b112634c2bc2dfe1204abc140861d1c94329b97b411bd23e8fbc459f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1e993b112634c2bc2dfe1204abc140861d1c94329b97b411bd23e8fbc459f8c", kill_on_drop: false }`
[INFO] [stdout] d1e993b112634c2bc2dfe1204abc140861d1c94329b97b411bd23e8fbc459f8c