[INFO] updating cached repository cfsamson/examples_codereview_prime
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cfsamson/examples_codereview_prime
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cfsamson/examples_codereview_prime" "work/ex/beta-1.38-1/sources/1.37.0/gh/cfsamson/examples_codereview_prime"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/cfsamson/examples_codereview_prime'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cfsamson/examples_codereview_prime" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cfsamson/examples_codereview_prime"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cfsamson/examples_codereview_prime'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fdfd2d557b093225b0cdb0696eda984888195143
[INFO] sha for GitHub repo cfsamson/examples_codereview_prime: fdfd2d557b093225b0cdb0696eda984888195143
[INFO] validating manifest of cfsamson/examples_codereview_prime 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 cfsamson/examples_codereview_prime 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 cfsamson/examples_codereview_prime
[INFO] finished frobbing cfsamson/examples_codereview_prime
[INFO] frobbed toml for cfsamson/examples_codereview_prime written to work/ex/beta-1.38-1/sources/1.37.0/gh/cfsamson/examples_codereview_prime/Cargo.toml
[INFO] started frobbing cfsamson/examples_codereview_prime
[INFO] finished frobbing cfsamson/examples_codereview_prime
[INFO] frobbed toml for cfsamson/examples_codereview_prime written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cfsamson/examples_codereview_prime/Cargo.toml
[INFO] crate cfsamson/examples_codereview_prime 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 cfsamson/examples_codereview_prime against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cfsamson/examples_codereview_prime:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] b3bc51740890a0336d5ff98d82faa9d1016be58d69892721f1d11cbd463889d2
[INFO] running `"docker" "start" "-a" "b3bc51740890a0336d5ff98d82faa9d1016be58d69892721f1d11cbd463889d2"`
[INFO] [stderr]    Compiling codereview_prime v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `Other`
[INFO] [stderr]    --> src/bin/main.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     Other,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "b3bc51740890a0336d5ff98d82faa9d1016be58d69892721f1d11cbd463889d2"`
[INFO] running `"docker" "rm" "-f" "b3bc51740890a0336d5ff98d82faa9d1016be58d69892721f1d11cbd463889d2"`
[INFO] [stdout] b3bc51740890a0336d5ff98d82faa9d1016be58d69892721f1d11cbd463889d2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cfsamson/examples_codereview_prime:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9363a9acc968255d814c29a7f3b69880a6f6ede5fe3e3ca4ad091963ad5f38a2
[INFO] running `"docker" "start" "-a" "9363a9acc968255d814c29a7f3b69880a6f6ede5fe3e3ca4ad091963ad5f38a2"`
[INFO] [stderr]    Compiling codereview_prime v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variant is never constructed: `Other`
[INFO] [stderr]    --> src/bin/main.rs:116:5
[INFO] [stderr]     |
[INFO] [stderr] 116 |     Other,
[INFO] [stderr]     |     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "9363a9acc968255d814c29a7f3b69880a6f6ede5fe3e3ca4ad091963ad5f38a2"`
[INFO] running `"docker" "rm" "-f" "9363a9acc968255d814c29a7f3b69880a6f6ede5fe3e3ca4ad091963ad5f38a2"`
[INFO] [stdout] 9363a9acc968255d814c29a7f3b69880a6f6ede5fe3e3ca4ad091963ad5f38a2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cfsamson/examples_codereview_prime:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] c93efa5ef6f0f8360fbadb346711869bbb622f3996f585ee4b9f72c7009c4e40
[INFO] running `"docker" "start" "-a" "c93efa5ef6f0f8360fbadb346711869bbb622f3996f585ee4b9f72c7009c4e40"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/codereview_prime-ae692b7ed3bb4313
[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] [stderr]      Running /opt/crater/target/debug/deps/main-88f519e232e9f4ec
[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] [stderr]      Running /opt/crater/target/debug/deps/prime_test-9251e545ba2812ca
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test first_10_numbers_tested ... ok
[INFO] [stdout] test large_number_checks ... ok
[INFO] [stdout] test small_number_checks ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests codereview_prime
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - is_prime (line 7) ... 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" "c93efa5ef6f0f8360fbadb346711869bbb622f3996f585ee4b9f72c7009c4e40"`
[INFO] running `"docker" "rm" "-f" "c93efa5ef6f0f8360fbadb346711869bbb622f3996f585ee4b9f72c7009c4e40"`
[INFO] [stdout] c93efa5ef6f0f8360fbadb346711869bbb622f3996f585ee4b9f72c7009c4e40