[INFO] updating cached repository ccimponeriu1996/ss_calculator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ccimponeriu1996/ss_calculator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ccimponeriu1996/ss_calculator" "work/ex/beta-1.38-1/sources/1.37.0/gh/ccimponeriu1996/ss_calculator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ccimponeriu1996/ss_calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ccimponeriu1996/ss_calculator" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ccimponeriu1996/ss_calculator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ccimponeriu1996/ss_calculator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2583409a01d2a04d6a715ffe506c4f94ee21c981
[INFO] sha for GitHub repo ccimponeriu1996/ss_calculator: 2583409a01d2a04d6a715ffe506c4f94ee21c981
[INFO] validating manifest of ccimponeriu1996/ss_calculator 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 ccimponeriu1996/ss_calculator 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 ccimponeriu1996/ss_calculator
[INFO] finished frobbing ccimponeriu1996/ss_calculator
[INFO] frobbed toml for ccimponeriu1996/ss_calculator written to work/ex/beta-1.38-1/sources/1.37.0/gh/ccimponeriu1996/ss_calculator/Cargo.toml
[INFO] started frobbing ccimponeriu1996/ss_calculator
[INFO] finished frobbing ccimponeriu1996/ss_calculator
[INFO] frobbed toml for ccimponeriu1996/ss_calculator written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ccimponeriu1996/ss_calculator/Cargo.toml
[INFO] crate ccimponeriu1996/ss_calculator 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 ccimponeriu1996/ss_calculator 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-1/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/ccimponeriu1996/ss_calculator:/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] 7efd4b7624dac5dd4811bb2340575e5751733680c8cf8dcc7010140d683b1a80
[INFO] running `"docker" "start" "-a" "7efd4b7624dac5dd4811bb2340575e5751733680c8cf8dcc7010140d683b1a80"`
[INFO] [stderr]    Compiling array_calculator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `target`
[INFO] [stderr]   --> src/main.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let target: f64 = input.trim().parse().expect("Can't parse target.");
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_target`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `target_combo`
[INFO] [stderr]   --> src/main.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let target_combo = target_combo;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_target_combo`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "7efd4b7624dac5dd4811bb2340575e5751733680c8cf8dcc7010140d683b1a80"`
[INFO] running `"docker" "rm" "-f" "7efd4b7624dac5dd4811bb2340575e5751733680c8cf8dcc7010140d683b1a80"`
[INFO] [stdout] 7efd4b7624dac5dd4811bb2340575e5751733680c8cf8dcc7010140d683b1a80
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/ccimponeriu1996/ss_calculator:/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] c81a6656cccc9dac18597a23c60823e4b33db10d842a106448bc362637b5b278
[INFO] running `"docker" "start" "-a" "c81a6656cccc9dac18597a23c60823e4b33db10d842a106448bc362637b5b278"`
[INFO] [stderr]    Compiling array_calculator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `target`
[INFO] [stderr]   --> src/main.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let target: f64 = input.trim().parse().expect("Can't parse target.");
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_target`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `target_combo`
[INFO] [stderr]   --> src/main.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let target_combo = target_combo;
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_target_combo`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `"docker" "inspect" "c81a6656cccc9dac18597a23c60823e4b33db10d842a106448bc362637b5b278"`
[INFO] running `"docker" "rm" "-f" "c81a6656cccc9dac18597a23c60823e4b33db10d842a106448bc362637b5b278"`
[INFO] [stdout] c81a6656cccc9dac18597a23c60823e4b33db10d842a106448bc362637b5b278
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/ccimponeriu1996/ss_calculator:/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] 45cc82e5ad675def413b68163e53ada1f3fc7e8570c680c47e2141062cb90b73
[INFO] running `"docker" "start" "-a" "45cc82e5ad675def413b68163e53ada1f3fc7e8570c680c47e2141062cb90b73"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/array_calculator-795901f59db22319
[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" "45cc82e5ad675def413b68163e53ada1f3fc7e8570c680c47e2141062cb90b73"`
[INFO] running `"docker" "rm" "-f" "45cc82e5ad675def413b68163e53ada1f3fc7e8570c680c47e2141062cb90b73"`
[INFO] [stdout] 45cc82e5ad675def413b68163e53ada1f3fc7e8570c680c47e2141062cb90b73