[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-1.37-6/sources/1.36.0/gh/intrepion/example-x-rust-x-rustbyexample-com-x-std-panic"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/gh/intrepion/example-x-rust-x-rustbyexample-com-x-std-panic"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of intrepion/example-x-rust-x-rustbyexample-com-x-std-panic on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing intrepion/example-x-rust-x-rustbyexample-com-x-std-panic against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 790ecd7250197e62aa2052119a6d11e8348139299bf437dd1ed0cc391a60c456
[INFO] running `"docker" "start" "-a" "790ecd7250197e62aa2052119a6d11e8348139299bf437dd1ed0cc391a60c456"`
[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 0.23s
[INFO] running `"docker" "inspect" "790ecd7250197e62aa2052119a6d11e8348139299bf437dd1ed0cc391a60c456"`
[INFO] running `"docker" "rm" "-f" "790ecd7250197e62aa2052119a6d11e8348139299bf437dd1ed0cc391a60c456"`
[INFO] [stdout] 790ecd7250197e62aa2052119a6d11e8348139299bf437dd1ed0cc391a60c456
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 58d3a8938bbe101461051f9d08d97b18ae8d35c24a7d20cdd003cbdce1ac7d3a
[INFO] running `"docker" "start" "-a" "58d3a8938bbe101461051f9d08d97b18ae8d35c24a7d20cdd003cbdce1ac7d3a"`
[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 0.29s
[INFO] running `"docker" "inspect" "58d3a8938bbe101461051f9d08d97b18ae8d35c24a7d20cdd003cbdce1ac7d3a"`
[INFO] running `"docker" "rm" "-f" "58d3a8938bbe101461051f9d08d97b18ae8d35c24a7d20cdd003cbdce1ac7d3a"`
[INFO] [stdout] 58d3a8938bbe101461051f9d08d97b18ae8d35c24a7d20cdd003cbdce1ac7d3a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 789593f3b6555348cabc16f1f7f5a1366f2102cd97478edb1a874cd71eda7268
[INFO] running `"docker" "start" "-a" "789593f3b6555348cabc16f1f7f5a1366f2102cd97478edb1a874cd71eda7268"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/example_x_rust_x_rustbyexample_com_x_std_panic-504d4e02c3dc5229
[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" "789593f3b6555348cabc16f1f7f5a1366f2102cd97478edb1a874cd71eda7268"`
[INFO] running `"docker" "rm" "-f" "789593f3b6555348cabc16f1f7f5a1366f2102cd97478edb1a874cd71eda7268"`
[INFO] [stdout] 789593f3b6555348cabc16f1f7f5a1366f2102cd97478edb1a874cd71eda7268