[INFO] fetching crate Useful_Math 0.0.8...
[INFO] checking Useful_Math-0.0.8 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate Useful_Math 0.0.8 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate Useful_Math 0.0.8 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] be843cd4c8296a4f6a71685e6a3f9a598cded3ffc5c48ff0b1bbcdda54158842
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "be843cd4c8296a4f6a71685e6a3f9a598cded3ffc5c48ff0b1bbcdda54158842"`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[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 v0.1.40
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking Useful_Math v0.0.8 (/opt/rustwide/workdir)
[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: 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: 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: 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: 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: 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: 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: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.13s
[INFO] running `"docker" "inspect" "be843cd4c8296a4f6a71685e6a3f9a598cded3ffc5c48ff0b1bbcdda54158842"`
[INFO] running `"docker" "rm" "-f" "be843cd4c8296a4f6a71685e6a3f9a598cded3ffc5c48ff0b1bbcdda54158842"`
[INFO] [stdout] be843cd4c8296a4f6a71685e6a3f9a598cded3ffc5c48ff0b1bbcdda54158842