[INFO] updating cached repository sivanbecker/temp_converter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sivanbecker/temp_converter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sivanbecker/temp_converter" "work/ex/beta-1.37-6/sources/1.36.0/gh/sivanbecker/temp_converter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/sivanbecker/temp_converter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sivanbecker/temp_converter" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/sivanbecker/temp_converter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sivanbecker/temp_converter on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sivanbecker/temp_converter against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] c2c84fb525a51932ac33ffcb93ab64ca887448e008cf058e746a9cc534cfe6f3
[INFO] running `"docker" "start" "-a" "c2c84fb525a51932ac33ffcb93ab64ca887448e008cf058e746a9cc534cfe6f3"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `"docker" "inspect" "c2c84fb525a51932ac33ffcb93ab64ca887448e008cf058e746a9cc534cfe6f3"`
[INFO] running `"docker" "rm" "-f" "c2c84fb525a51932ac33ffcb93ab64ca887448e008cf058e746a9cc534cfe6f3"`
[INFO] [stdout] c2c84fb525a51932ac33ffcb93ab64ca887448e008cf058e746a9cc534cfe6f3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8f93c1051d97fb846019cc045506c7a9554eaad42fb0dca26b1c615003ab3a73
[INFO] running `"docker" "start" "-a" "8f93c1051d97fb846019cc045506c7a9554eaad42fb0dca26b1c615003ab3a73"`
[INFO] [stderr]    Compiling 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]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "8f93c1051d97fb846019cc045506c7a9554eaad42fb0dca26b1c615003ab3a73"`
[INFO] running `"docker" "rm" "-f" "8f93c1051d97fb846019cc045506c7a9554eaad42fb0dca26b1c615003ab3a73"`
[INFO] [stdout] 8f93c1051d97fb846019cc045506c7a9554eaad42fb0dca26b1c615003ab3a73
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=warn" "-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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] ac1e94144e8c62815a4b25fb16ac5866b44dd3a12dab078589437c55736ae430
[INFO] running `"docker" "start" "-a" "ac1e94144e8c62815a4b25fb16ac5866b44dd3a12dab078589437c55736ae430"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/temp_converter-d2248c5d66f8bec1
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ac1e94144e8c62815a4b25fb16ac5866b44dd3a12dab078589437c55736ae430"`
[INFO] running `"docker" "rm" "-f" "ac1e94144e8c62815a4b25fb16ac5866b44dd3a12dab078589437c55736ae430"`
[INFO] [stdout] ac1e94144e8c62815a4b25fb16ac5866b44dd3a12dab078589437c55736ae430