[INFO] updating cached repository jsjutzi/Rust-Temp-Converter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jsjutzi/Rust-Temp-Converter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jsjutzi/Rust-Temp-Converter" "work/ex/beta-1.38-1/sources/1.37.0/gh/jsjutzi/Rust-Temp-Converter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jsjutzi/Rust-Temp-Converter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jsjutzi/Rust-Temp-Converter" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jsjutzi/Rust-Temp-Converter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jsjutzi/Rust-Temp-Converter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 90718393b27b79cc8e5e23510592ea24de3e0a29
[INFO] sha for GitHub repo jsjutzi/Rust-Temp-Converter: 90718393b27b79cc8e5e23510592ea24de3e0a29
[INFO] validating manifest of jsjutzi/Rust-Temp-Converter on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jsjutzi/Rust-Temp-Converter on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing jsjutzi/Rust-Temp-Converter
[INFO] finished frobbing jsjutzi/Rust-Temp-Converter
[INFO] frobbed toml for jsjutzi/Rust-Temp-Converter written to work/ex/beta-1.38-1/sources/1.37.0/gh/jsjutzi/Rust-Temp-Converter/Cargo.toml
[INFO] started frobbing jsjutzi/Rust-Temp-Converter
[INFO] finished frobbing jsjutzi/Rust-Temp-Converter
[INFO] frobbed toml for jsjutzi/Rust-Temp-Converter written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jsjutzi/Rust-Temp-Converter/Cargo.toml
[INFO] crate jsjutzi/Rust-Temp-Converter already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing jsjutzi/Rust-Temp-Converter against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jsjutzi/Rust-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] a9a46d397fbb1e01109636547239dcd87fe5c69bc157dbb651820a6b2e7576f3
[INFO] running `"docker" "start" "-a" "a9a46d397fbb1e01109636547239dcd87fe5c69bc157dbb651820a6b2e7576f3"`
[INFO] [stderr]    Compiling practice_file2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `check_number`
[INFO] [stderr]   --> src/main.rs:68:1
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn check_number() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "a9a46d397fbb1e01109636547239dcd87fe5c69bc157dbb651820a6b2e7576f3"`
[INFO] running `"docker" "rm" "-f" "a9a46d397fbb1e01109636547239dcd87fe5c69bc157dbb651820a6b2e7576f3"`
[INFO] [stdout] a9a46d397fbb1e01109636547239dcd87fe5c69bc157dbb651820a6b2e7576f3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jsjutzi/Rust-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0d23e682bdd0635fc7943cf26d829d8f4d7530d50d20d73b091926c603fbd02a
[INFO] running `"docker" "start" "-a" "0d23e682bdd0635fc7943cf26d829d8f4d7530d50d20d73b091926c603fbd02a"`
[INFO] [stderr]    Compiling practice_file2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `check_number`
[INFO] [stderr]   --> src/main.rs:68:1
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn check_number() {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `"docker" "inspect" "0d23e682bdd0635fc7943cf26d829d8f4d7530d50d20d73b091926c603fbd02a"`
[INFO] running `"docker" "rm" "-f" "0d23e682bdd0635fc7943cf26d829d8f4d7530d50d20d73b091926c603fbd02a"`
[INFO] [stdout] 0d23e682bdd0635fc7943cf26d829d8f4d7530d50d20d73b091926c603fbd02a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jsjutzi/Rust-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 331eb643247ed5c9c50c4ace023f7017a7f2e3fbbbfe76789c397ab02eda0ffd
[INFO] running `"docker" "start" "-a" "331eb643247ed5c9c50c4ace023f7017a7f2e3fbbbfe76789c397ab02eda0ffd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/practice_file2-60787b77a24839de
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_gcd ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "331eb643247ed5c9c50c4ace023f7017a7f2e3fbbbfe76789c397ab02eda0ffd"`
[INFO] running `"docker" "rm" "-f" "331eb643247ed5c9c50c4ace023f7017a7f2e3fbbbfe76789c397ab02eda0ffd"`
[INFO] [stdout] 331eb643247ed5c9c50c4ace023f7017a7f2e3fbbbfe76789c397ab02eda0ffd