[INFO] updating cached repository intrepion/example-x-rust-x-rustbyexample-com-x-std-panic
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/intrepion/example-x-rust-x-rustbyexample-com-x-std-panic
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/intrepion/example-x-rust-x-rustbyexample-com-x-std-panic" "work/ex/beta-1.38-1/sources/1.37.0/gh/intrepion/example-x-rust-x-rustbyexample-com-x-std-panic"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/intrepion/example-x-rust-x-rustbyexample-com-x-std-panic'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/intrepion/example-x-rust-x-rustbyexample-com-x-std-panic" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/intrepion/example-x-rust-x-rustbyexample-com-x-std-panic"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/intrepion/example-x-rust-x-rustbyexample-com-x-std-panic'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c9fa81f905cc984bed8d1047a65f122ff8d9fc5f
[INFO] sha for GitHub repo intrepion/example-x-rust-x-rustbyexample-com-x-std-panic: c9fa81f905cc984bed8d1047a65f122ff8d9fc5f
[INFO] validating manifest of intrepion/example-x-rust-x-rustbyexample-com-x-std-panic 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 intrepion/example-x-rust-x-rustbyexample-com-x-std-panic 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 intrepion/example-x-rust-x-rustbyexample-com-x-std-panic
[INFO] finished frobbing intrepion/example-x-rust-x-rustbyexample-com-x-std-panic
[INFO] frobbed toml for intrepion/example-x-rust-x-rustbyexample-com-x-std-panic written to work/ex/beta-1.38-1/sources/1.37.0/gh/intrepion/example-x-rust-x-rustbyexample-com-x-std-panic/Cargo.toml
[INFO] started frobbing intrepion/example-x-rust-x-rustbyexample-com-x-std-panic
[INFO] finished frobbing intrepion/example-x-rust-x-rustbyexample-com-x-std-panic
[INFO] frobbed toml for intrepion/example-x-rust-x-rustbyexample-com-x-std-panic written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/intrepion/example-x-rust-x-rustbyexample-com-x-std-panic/Cargo.toml
[INFO] crate intrepion/example-x-rust-x-rustbyexample-com-x-std-panic 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 intrepion/example-x-rust-x-rustbyexample-com-x-std-panic 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-6/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/intrepion/example-x-rust-x-rustbyexample-com-x-std-panic:/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] 93763499d461f5e9362422cdaff2a61af6e8b20b7c90a9fc6e369c9eb5359222
[INFO] running `"docker" "start" "-a" "93763499d461f5e9362422cdaff2a61af6e8b20b7c90a9fc6e369c9eb5359222"`
[INFO] [stderr]    Compiling example-x-rust-x-rustbyexample-com-x-std-panic v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `division`
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn division(dividend: i32, divisor: i32) -> i32 {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "93763499d461f5e9362422cdaff2a61af6e8b20b7c90a9fc6e369c9eb5359222"`
[INFO] running `"docker" "rm" "-f" "93763499d461f5e9362422cdaff2a61af6e8b20b7c90a9fc6e369c9eb5359222"`
[INFO] [stdout] 93763499d461f5e9362422cdaff2a61af6e8b20b7c90a9fc6e369c9eb5359222
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/intrepion/example-x-rust-x-rustbyexample-com-x-std-panic:/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] 7c5e374d8e45a6d6a38d5f438cb7e3ad2c4f355aaa7d5a1b7f7cc4fd3cfca3bc
[INFO] running `"docker" "start" "-a" "7c5e374d8e45a6d6a38d5f438cb7e3ad2c4f355aaa7d5a1b7f7cc4fd3cfca3bc"`
[INFO] [stderr]    Compiling example-x-rust-x-rustbyexample-com-x-std-panic v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `division`
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | fn division(dividend: i32, divisor: i32) -> i32 {
[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" "7c5e374d8e45a6d6a38d5f438cb7e3ad2c4f355aaa7d5a1b7f7cc4fd3cfca3bc"`
[INFO] running `"docker" "rm" "-f" "7c5e374d8e45a6d6a38d5f438cb7e3ad2c4f355aaa7d5a1b7f7cc4fd3cfca3bc"`
[INFO] [stdout] 7c5e374d8e45a6d6a38d5f438cb7e3ad2c4f355aaa7d5a1b7f7cc4fd3cfca3bc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/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/intrepion/example-x-rust-x-rustbyexample-com-x-std-panic:/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] 4c5ace99b8d04b51c4edad46dfa648ef7fba5778bd0c9f5554e61397f305545b
[INFO] running `"docker" "start" "-a" "4c5ace99b8d04b51c4edad46dfa648ef7fba5778bd0c9f5554e61397f305545b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/example_x_rust_x_rustbyexample_com_x_std_panic-2c908cf4ef5f7dd7
[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" "4c5ace99b8d04b51c4edad46dfa648ef7fba5778bd0c9f5554e61397f305545b"`
[INFO] running `"docker" "rm" "-f" "4c5ace99b8d04b51c4edad46dfa648ef7fba5778bd0c9f5554e61397f305545b"`
[INFO] [stdout] 4c5ace99b8d04b51c4edad46dfa648ef7fba5778bd0c9f5554e61397f305545b