[INFO] updating cached repository ryota-sakamoto/scala
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ryota-sakamoto/scala
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ryota-sakamoto/scala" "work/ex/beta-1.38-1/sources/1.37.0/gh/ryota-sakamoto/scala"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ryota-sakamoto/scala'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ryota-sakamoto/scala" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ryota-sakamoto/scala"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ryota-sakamoto/scala'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9a024458e9bb3d1c5943433eeb6e709fc255f10a
[INFO] sha for GitHub repo ryota-sakamoto/scala: 9a024458e9bb3d1c5943433eeb6e709fc255f10a
[INFO] validating manifest of ryota-sakamoto/scala 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 ryota-sakamoto/scala 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 ryota-sakamoto/scala
[INFO] finished frobbing ryota-sakamoto/scala
[INFO] frobbed toml for ryota-sakamoto/scala written to work/ex/beta-1.38-1/sources/1.37.0/gh/ryota-sakamoto/scala/Cargo.toml
[INFO] started frobbing ryota-sakamoto/scala
[INFO] finished frobbing ryota-sakamoto/scala
[INFO] frobbed toml for ryota-sakamoto/scala written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ryota-sakamoto/scala/Cargo.toml
[INFO] crate ryota-sakamoto/scala 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing ryota-sakamoto/scala 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ryota-sakamoto/scala:/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] c89b52c31568b9e45917a950dfe3126851d10aedc95542d86a7633361561dc12
[INFO] running `"docker" "start" "-a" "c89b52c31568b9e45917a950dfe3126851d10aedc95542d86a7633361561dc12"`
[INFO] [stderr]    Compiling scala v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `e1`
[INFO] [stderr]   --> src/main.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn e1(n: u64) -> Either<String, String> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "c89b52c31568b9e45917a950dfe3126851d10aedc95542d86a7633361561dc12"`
[INFO] running `"docker" "rm" "-f" "c89b52c31568b9e45917a950dfe3126851d10aedc95542d86a7633361561dc12"`
[INFO] [stdout] c89b52c31568b9e45917a950dfe3126851d10aedc95542d86a7633361561dc12
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ryota-sakamoto/scala:/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] b1e2485cc14eee33e34817d094fd68e8d8e186391479ae0295b50882cfb67ae0
[INFO] running `"docker" "start" "-a" "b1e2485cc14eee33e34817d094fd68e8d8e186391479ae0295b50882cfb67ae0"`
[INFO] [stderr]    Compiling scala v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `e1`
[INFO] [stderr]   --> src/main.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | fn e1(n: u64) -> Either<String, String> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `"docker" "inspect" "b1e2485cc14eee33e34817d094fd68e8d8e186391479ae0295b50882cfb67ae0"`
[INFO] running `"docker" "rm" "-f" "b1e2485cc14eee33e34817d094fd68e8d8e186391479ae0295b50882cfb67ae0"`
[INFO] [stdout] b1e2485cc14eee33e34817d094fd68e8d8e186391479ae0295b50882cfb67ae0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ryota-sakamoto/scala:/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] 405b965eaa168767687be321ac76d6e28172483c3c134a6681e7e5105a962cdd
[INFO] running `"docker" "start" "-a" "405b965eaa168767687be321ac76d6e28172483c3c134a6681e7e5105a962cdd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/scala-e52368541a7d5574
[INFO] [stderr]      Running /opt/crater/target/debug/deps/scala-27eb805894dcf3d5
[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] [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] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lib-aadbbfbba470f7f5
[INFO] [stdout] running 9 tests
[INFO] [stdout] test for_each_test ... ok
[INFO] [stdout] test get_or_else_test ... ok
[INFO] [stdout] test contains_test ... ok
[INFO] [stdout] test eq_test ... ok
[INFO] [stdout] test swap_test ... ok
[INFO] [stdout] test map_test ... ok
[INFO] [stdout] test is_right_test ... ok
[INFO] [stdout] test is_left_test ... ok
[INFO] [stdout] test to_option_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scala
[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" "405b965eaa168767687be321ac76d6e28172483c3c134a6681e7e5105a962cdd"`
[INFO] running `"docker" "rm" "-f" "405b965eaa168767687be321ac76d6e28172483c3c134a6681e7e5105a962cdd"`
[INFO] [stdout] 405b965eaa168767687be321ac76d6e28172483c3c134a6681e7e5105a962cdd