[INFO] cloning repository sivanbecker/temp_converter
[INFO] running `"git" "clone" "--bare" "git://github.com/sivanbecker/temp_converter.git" "work/cache/sources/gh/sivanbecker/temp_converter"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/sivanbecker/temp_converter'...
[INFO] running `"git" "clone" "work/cache/sources/gh/sivanbecker/temp_converter" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/sivanbecker/temp_converter"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/sivanbecker/temp_converter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sivanbecker/temp_converter" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/sivanbecker/temp_converter"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/sivanbecker/temp_converter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 115c560a19a98bd40bee2cace8301b7061984a42
[INFO] sha for GitHub repo sivanbecker/temp_converter: 115c560a19a98bd40bee2cace8301b7061984a42
[INFO] validating manifest of sivanbecker/temp_converter on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sivanbecker/temp_converter on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sivanbecker/temp_converter
[INFO] finished frobbing sivanbecker/temp_converter
[INFO] frobbed toml for sivanbecker/temp_converter written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/sivanbecker/temp_converter/Cargo.toml
[INFO] started frobbing sivanbecker/temp_converter
[INFO] finished frobbing sivanbecker/temp_converter
[INFO] frobbed toml for sivanbecker/temp_converter written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/sivanbecker/temp_converter/Cargo.toml
[INFO] crate sivanbecker/temp_converter already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sivanbecker/temp_converter against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-3/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/sivanbecker/temp_converter:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 558381d256df88bc6dc51d83fa45d9cbbeaf1f2c99d40380bde8c8e6e31a54fd
[INFO] running `"docker" "start" "-a" "558381d256df88bc6dc51d83fa45d9cbbeaf1f2c99d40380bde8c8e6e31a54fd"`
[INFO] [stderr]     Checking temp_converter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `g`
[INFO] [stderr]   --> src/main.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |         let g: f32 = match input_tempature.trim().parse() {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_g`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:14:21
[INFO] [stderr]    |
[INFO] [stderr] 14 |                 let mut c_temprature: f32 = (num - 32.0) * 5.0 / 9.0;
[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: unused variable: `g`
[INFO] [stderr]   --> src/main.rs:11:13
[INFO] [stderr]    |
[INFO] [stderr] 11 |         let g: f32 = match input_tempature.trim().parse() {
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_g`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:14:21
[INFO] [stderr]    |
[INFO] [stderr] 14 |                 let mut c_temprature: f32 = (num - 32.0) * 5.0 / 9.0;
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `"docker" "inspect" "558381d256df88bc6dc51d83fa45d9cbbeaf1f2c99d40380bde8c8e6e31a54fd"`
[INFO] running `"docker" "rm" "-f" "558381d256df88bc6dc51d83fa45d9cbbeaf1f2c99d40380bde8c8e6e31a54fd"`
[INFO] [stdout] 558381d256df88bc6dc51d83fa45d9cbbeaf1f2c99d40380bde8c8e6e31a54fd