[INFO] updating cached repository https://github.com/learn-you-a-rust/loops_practice
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dfdbe339436b324208ad2441b5bc037ecd356e15
[INFO] testing learn-you-a-rust/loops_practice against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Flearn-you-a-rust%2Floops_practice" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/learn-you-a-rust/loops_practice on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/learn-you-a-rust/loops_practice
[INFO] finished tweaking git repo https://github.com/learn-you-a-rust/loops_practice
[INFO] tweaked toml for git repo https://github.com/learn-you-a-rust/loops_practice written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/learn-you-a-rust/loops_practice already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 4d2657b4a2457a01fe326fa62c0679dbe0949aee6f109fbc7708df8a40995cd3
[INFO] running `"docker" "start" "-a" "4d2657b4a2457a01fe326fa62c0679dbe0949aee6f109fbc7708df8a40995cd3"`
[INFO] [stderr]    Compiling loops_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `fahrenheit_to_celsius_table`
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn fahrenheit_to_celsius_table() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "4d2657b4a2457a01fe326fa62c0679dbe0949aee6f109fbc7708df8a40995cd3"`
[INFO] running `"docker" "rm" "-f" "4d2657b4a2457a01fe326fa62c0679dbe0949aee6f109fbc7708df8a40995cd3"`
[INFO] [stdout] 4d2657b4a2457a01fe326fa62c0679dbe0949aee6f109fbc7708df8a40995cd3
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] af14a4cce9523026935d15e552f1a8bbaba7d4f2427fb3316f1c074616a70edb
[INFO] running `"docker" "start" "-a" "af14a4cce9523026935d15e552f1a8bbaba7d4f2427fb3316f1c074616a70edb"`
[INFO] [stderr]    Compiling loops_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `fahrenheit_to_celsius_table`
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | fn fahrenheit_to_celsius_table() {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "af14a4cce9523026935d15e552f1a8bbaba7d4f2427fb3316f1c074616a70edb"`
[INFO] running `"docker" "rm" "-f" "af14a4cce9523026935d15e552f1a8bbaba7d4f2427fb3316f1c074616a70edb"`
[INFO] [stdout] af14a4cce9523026935d15e552f1a8bbaba7d4f2427fb3316f1c074616a70edb
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 81c97c9d1d8cf6a0f2ea75ddb38c54ea5edd4c5023b1f9eba0582a36812c9530
[INFO] running `"docker" "start" "-a" "81c97c9d1d8cf6a0f2ea75ddb38c54ea5edd4c5023b1f9eba0582a36812c9530"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/loops_practice-719512b04b1c0d83
[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" "81c97c9d1d8cf6a0f2ea75ddb38c54ea5edd4c5023b1f9eba0582a36812c9530"`
[INFO] running `"docker" "rm" "-f" "81c97c9d1d8cf6a0f2ea75ddb38c54ea5edd4c5023b1f9eba0582a36812c9530"`
[INFO] [stdout] 81c97c9d1d8cf6a0f2ea75ddb38c54ea5edd4c5023b1f9eba0582a36812c9530