[INFO] updating cached repository stusmall/income_tax_graphic
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/stusmall/income_tax_graphic
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/stusmall/income_tax_graphic" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/stusmall/income_tax_graphic"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/stusmall/income_tax_graphic'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/stusmall/income_tax_graphic" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/stusmall/income_tax_graphic"`
[INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/stusmall/income_tax_graphic'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c32485f045d71d2e4e4105dabf3cfb3db3e00d28
[INFO] sha for GitHub repo stusmall/income_tax_graphic: c32485f045d71d2e4e4105dabf3cfb3db3e00d28
[INFO] validating manifest of stusmall/income_tax_graphic on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of stusmall/income_tax_graphic on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing stusmall/income_tax_graphic
[INFO] finished frobbing stusmall/income_tax_graphic
[INFO] frobbed toml for stusmall/income_tax_graphic written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/stusmall/income_tax_graphic/Cargo.toml
[INFO] started frobbing stusmall/income_tax_graphic
[INFO] finished frobbing stusmall/income_tax_graphic
[INFO] frobbed toml for stusmall/income_tax_graphic written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/stusmall/income_tax_graphic/Cargo.toml
[INFO] crate stusmall/income_tax_graphic already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking stusmall/income_tax_graphic against try#58b21121d0b447ceb3f1a655155d802191acf044 for pr-61100
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-6/try#58b21121d0b447ceb3f1a655155d802191acf044:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/stusmall/income_tax_graphic:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] df4a833aa0563857eb71b620c83eba40629b0bafcf16eeca4f834257f7d5e32b
[INFO] running `"docker" "start" "-a" "df4a833aa0563857eb71b620c83eba40629b0bafcf16eeca4f834257f7d5e32b"`
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]     Checking deflate v0.7.18
[INFO] [stderr]    Compiling quote v0.6.5
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking env_logger v0.5.12
[INFO] [stderr]    Compiling syn v0.14.7
[INFO] [stderr]     Checking csv v1.0.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.2
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.71
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking income_tax_graphic v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/tax_brackets.rs:63:33
[INFO] [stderr]    |
[INFO] [stderr] 63 |                             let mut vec = entry.get_mut();
[INFO] [stderr]    |                                 ----^^^
[INFO] [stderr]    |                                 |
[INFO] [stderr]    |                                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tax`
[INFO] [stderr]   --> src/dollars.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn tax(&self, rate: f32) -> Dollars {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `write_csv`
[INFO] [stderr]   --> src/lib.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn write_csv(info: &Vec<(Dollars,Vec<(u32,f32)>)>){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/tax_brackets.rs:63:33
[INFO] [stderr]    |
[INFO] [stderr] 63 |                             let mut vec = entry.get_mut();
[INFO] [stderr]    |                                 ----^^^
[INFO] [stderr]    |                                 |
[INFO] [stderr]    |                                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `tax`
[INFO] [stderr]   --> src/dollars.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn tax(&self, rate: f32) -> Dollars {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `write_csv`
[INFO] [stderr]   --> src/lib.rs:48:1
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn write_csv(info: &Vec<(Dollars,Vec<(u32,f32)>)>){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.32s
[INFO] running `"docker" "inspect" "df4a833aa0563857eb71b620c83eba40629b0bafcf16eeca4f834257f7d5e32b"`
[INFO] running `"docker" "rm" "-f" "df4a833aa0563857eb71b620c83eba40629b0bafcf16eeca4f834257f7d5e32b"`
[INFO] [stdout] df4a833aa0563857eb71b620c83eba40629b0bafcf16eeca4f834257f7d5e32b