[INFO] updating cached repository Christian54090/rust-c-to-f
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Christian54090/rust-c-to-f
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Christian54090/rust-c-to-f" "work/ex/beta-1.38-1/sources/1.37.0/gh/Christian54090/rust-c-to-f"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Christian54090/rust-c-to-f'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Christian54090/rust-c-to-f" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Christian54090/rust-c-to-f"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Christian54090/rust-c-to-f'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 788f2c3a4abd068cd769584ef5f4cb62796fb1f9
[INFO] sha for GitHub repo Christian54090/rust-c-to-f: 788f2c3a4abd068cd769584ef5f4cb62796fb1f9
[INFO] validating manifest of Christian54090/rust-c-to-f 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 Christian54090/rust-c-to-f 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 Christian54090/rust-c-to-f
[INFO] finished frobbing Christian54090/rust-c-to-f
[INFO] frobbed toml for Christian54090/rust-c-to-f written to work/ex/beta-1.38-1/sources/1.37.0/gh/Christian54090/rust-c-to-f/Cargo.toml
[INFO] started frobbing Christian54090/rust-c-to-f
[INFO] finished frobbing Christian54090/rust-c-to-f
[INFO] frobbed toml for Christian54090/rust-c-to-f written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Christian54090/rust-c-to-f/Cargo.toml
[INFO] crate Christian54090/rust-c-to-f 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 Christian54090/rust-c-to-f 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Christian54090/rust-c-to-f:/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] 08564c28ad237bb7f1d6da12b4bcae2a7f78a97a14ca103845663844aa39e4fe
[INFO] running `"docker" "start" "-a" "08564c28ad237bb7f1d6da12b4bcae2a7f78a97a14ca103845663844aa39e4fe"`
[INFO] [stderr]    Compiling celsius-to-fahrenheit v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `c_to_f`
[INFO] [stderr]  --> src/main.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn c_to_f(num: i32) -> i32 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `f_to_c`
[INFO] [stderr]  --> src/main.rs:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn f_to_c(num: i32) -> i32 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "08564c28ad237bb7f1d6da12b4bcae2a7f78a97a14ca103845663844aa39e4fe"`
[INFO] running `"docker" "rm" "-f" "08564c28ad237bb7f1d6da12b4bcae2a7f78a97a14ca103845663844aa39e4fe"`
[INFO] [stdout] 08564c28ad237bb7f1d6da12b4bcae2a7f78a97a14ca103845663844aa39e4fe
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Christian54090/rust-c-to-f:/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] db1b8d2fdb9878ff43a4c70cb9ec071b21643b35b157e98c0c2fc342ef6136ab
[INFO] running `"docker" "start" "-a" "db1b8d2fdb9878ff43a4c70cb9ec071b21643b35b157e98c0c2fc342ef6136ab"`
[INFO] [stderr]    Compiling celsius-to-fahrenheit v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `"docker" "inspect" "db1b8d2fdb9878ff43a4c70cb9ec071b21643b35b157e98c0c2fc342ef6136ab"`
[INFO] running `"docker" "rm" "-f" "db1b8d2fdb9878ff43a4c70cb9ec071b21643b35b157e98c0c2fc342ef6136ab"`
[INFO] [stdout] db1b8d2fdb9878ff43a4c70cb9ec071b21643b35b157e98c0c2fc342ef6136ab
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Christian54090/rust-c-to-f:/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] af0bb0a3aa2815d2d356d0d3aff9cf934885ae2bfa0578c38dc2c215a68d1241
[INFO] running `"docker" "start" "-a" "af0bb0a3aa2815d2d356d0d3aff9cf934885ae2bfa0578c38dc2c215a68d1241"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/celsius_to_fahrenheit-27d983b47bc3c4f5
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_f_to_c ... ok
[INFO] [stdout] test test_c_to_f ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/c_to_f-4ab07599695fa4f5
[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" "af0bb0a3aa2815d2d356d0d3aff9cf934885ae2bfa0578c38dc2c215a68d1241"`
[INFO] running `"docker" "rm" "-f" "af0bb0a3aa2815d2d356d0d3aff9cf934885ae2bfa0578c38dc2c215a68d1241"`
[INFO] [stdout] af0bb0a3aa2815d2d356d0d3aff9cf934885ae2bfa0578c38dc2c215a68d1241