[INFO] updating cached repository kahirokunn/atcoder
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kahirokunn/atcoder
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kahirokunn/atcoder" "work/ex/beta-1.38-1/sources/1.37.0/gh/kahirokunn/atcoder"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/kahirokunn/atcoder'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kahirokunn/atcoder" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kahirokunn/atcoder"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kahirokunn/atcoder'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a5efb9cff6d05db2cb56355c31c36ab79615fa63
[INFO] sha for GitHub repo kahirokunn/atcoder: a5efb9cff6d05db2cb56355c31c36ab79615fa63
[INFO] validating manifest of kahirokunn/atcoder 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 kahirokunn/atcoder 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 kahirokunn/atcoder
[INFO] finished frobbing kahirokunn/atcoder
[INFO] frobbed toml for kahirokunn/atcoder written to work/ex/beta-1.38-1/sources/1.37.0/gh/kahirokunn/atcoder/Cargo.toml
[INFO] started frobbing kahirokunn/atcoder
[INFO] finished frobbing kahirokunn/atcoder
[INFO] frobbed toml for kahirokunn/atcoder written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/kahirokunn/atcoder/Cargo.toml
[INFO] crate kahirokunn/atcoder 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 kahirokunn/atcoder 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-5/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/kahirokunn/atcoder:/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] 8a3227c88f89286c51cff375915de09653206c533bce2c4f98e20ebeb7fbc0d5
[INFO] running `"docker" "start" "-a" "8a3227c88f89286c51cff375915de09653206c533bce2c4f98e20ebeb7fbc0d5"`
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `read`
[INFO] [stderr]  --> src/main.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn read<T: FromStr>() -> T {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `"docker" "inspect" "8a3227c88f89286c51cff375915de09653206c533bce2c4f98e20ebeb7fbc0d5"`
[INFO] running `"docker" "rm" "-f" "8a3227c88f89286c51cff375915de09653206c533bce2c4f98e20ebeb7fbc0d5"`
[INFO] [stdout] 8a3227c88f89286c51cff375915de09653206c533bce2c4f98e20ebeb7fbc0d5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/kahirokunn/atcoder:/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] cc09c72505c86e3e7b6ce5c4e6946549f9b8a0117f0a3b3b274bacf95478545d
[INFO] running `"docker" "start" "-a" "cc09c72505c86e3e7b6ce5c4e6946549f9b8a0117f0a3b3b274bacf95478545d"`
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `read`
[INFO] [stderr]  --> src/main.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | fn read<T: FromStr>() -> T {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "cc09c72505c86e3e7b6ce5c4e6946549f9b8a0117f0a3b3b274bacf95478545d"`
[INFO] running `"docker" "rm" "-f" "cc09c72505c86e3e7b6ce5c4e6946549f9b8a0117f0a3b3b274bacf95478545d"`
[INFO] [stdout] cc09c72505c86e3e7b6ce5c4e6946549f9b8a0117f0a3b3b274bacf95478545d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/kahirokunn/atcoder:/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] 58e785515b4bed1e0641fcca7dfebacf62e9c6f2d308cd8379bee6bda175469c
[INFO] running `"docker" "start" "-a" "58e785515b4bed1e0641fcca7dfebacf62e9c6f2d308cd8379bee6bda175469c"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_cargo-07b0c184d61c811d
[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" "58e785515b4bed1e0641fcca7dfebacf62e9c6f2d308cd8379bee6bda175469c"`
[INFO] running `"docker" "rm" "-f" "58e785515b4bed1e0641fcca7dfebacf62e9c6f2d308cd8379bee6bda175469c"`
[INFO] [stdout] 58e785515b4bed1e0641fcca7dfebacf62e9c6f2d308cd8379bee6bda175469c