[INFO] updating cached repository JJJollyjim/mathsbot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JJJollyjim/mathsbot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JJJollyjim/mathsbot" "work/ex/beta-1.38-1/sources/1.37.0/gh/JJJollyjim/mathsbot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/JJJollyjim/mathsbot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JJJollyjim/mathsbot" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JJJollyjim/mathsbot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JJJollyjim/mathsbot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4da2c435fae9247bd5a099e1b00c88059ddbdcde
[INFO] sha for GitHub repo JJJollyjim/mathsbot: 4da2c435fae9247bd5a099e1b00c88059ddbdcde
[INFO] validating manifest of JJJollyjim/mathsbot 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 JJJollyjim/mathsbot 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 JJJollyjim/mathsbot
[INFO] finished frobbing JJJollyjim/mathsbot
[INFO] frobbed toml for JJJollyjim/mathsbot written to work/ex/beta-1.38-1/sources/1.37.0/gh/JJJollyjim/mathsbot/Cargo.toml
[INFO] started frobbing JJJollyjim/mathsbot
[INFO] finished frobbing JJJollyjim/mathsbot
[INFO] frobbed toml for JJJollyjim/mathsbot written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/JJJollyjim/mathsbot/Cargo.toml
[INFO] crate JJJollyjim/mathsbot 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 JJJollyjim/mathsbot 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JJJollyjim/mathsbot:/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] 43536fa35349a837797013a6cba850994e953f82278a8f7b1cb39548e1f822a1
[INFO] running `"docker" "start" "-a" "43536fa35349a837797013a6cba850994e953f82278a8f7b1cb39548e1f822a1"`
[INFO] [stderr]    Compiling serde v1.0.51
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling base64 v0.7.0
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling serde_derive v1.0.51
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling mime_guess v1.8.4
[INFO] [stderr]    Compiling hyper v0.10.13
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling hyper-native-tls v0.2.4
[INFO] [stderr]    Compiling multipart v0.13.6
[INFO] [stderr]    Compiling evzht9h3nznqzwl v0.0.2
[INFO] [stderr]    Compiling serde_json v1.0.17
[INFO] [stderr]    Compiling chrono v0.4.2
[INFO] [stderr]    Compiling serenity v0.4.8
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/serenity-0.4.8/src/framework/standard/args.rs:127:13
[INFO] [stderr]     |
[INFO] [stderr] 116 |         fn get_and_remove(b: &mut Vec<String>) -> Option<&str> {
[INFO] [stderr]     |                              - let's call the lifetime of this reference `'1`
[INFO] [stderr] ...
[INFO] [stderr] 127 |             GetThenRemove(b).0.get(0).map(|s| s.as_str())
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^---------------------------
[INFO] [stderr]     |             |
[INFO] [stderr]     |             returning this value requires that borrow lasts for `'1`
[INFO] [stderr] 128 |         }
[INFO] [stderr]     |         - here is drop of temporary value; whose type `framework::standard::args::Args::single_zc::get_and_remove::GetThenRemove<'_>` implements the `Drop` trait
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling mathsbot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::os::unix::process::CommandExt::before_exec': should be unsafe, use `pre_exec` instead
[INFO] [stderr]    --> src/maths_render.rs:101:10
[INFO] [stderr]     |
[INFO] [stderr] 101 |         .before_exec(setlimits)
[INFO] [stderr]     |          ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::os::unix::process::CommandExt::before_exec': should be unsafe, use `pre_exec` instead
[INFO] [stderr]    --> src/maths_render.rs:120:10
[INFO] [stderr]     |
[INFO] [stderr] 120 |         .before_exec(setlimits)
[INFO] [stderr]     |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `"docker" "inspect" "43536fa35349a837797013a6cba850994e953f82278a8f7b1cb39548e1f822a1"`
[INFO] running `"docker" "rm" "-f" "43536fa35349a837797013a6cba850994e953f82278a8f7b1cb39548e1f822a1"`
[INFO] [stdout] 43536fa35349a837797013a6cba850994e953f82278a8f7b1cb39548e1f822a1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JJJollyjim/mathsbot:/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] 2ef4a0ce06f5a8a64dfcb4b76ebf1211f64f6508cdc1a1d3891c89c18708d40b
[INFO] running `"docker" "start" "-a" "2ef4a0ce06f5a8a64dfcb4b76ebf1211f64f6508cdc1a1d3891c89c18708d40b"`
[INFO] [stderr]    Compiling mathsbot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::os::unix::process::CommandExt::before_exec': should be unsafe, use `pre_exec` instead
[INFO] [stderr]    --> src/maths_render.rs:101:10
[INFO] [stderr]     |
[INFO] [stderr] 101 |         .before_exec(setlimits)
[INFO] [stderr]     |          ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::os::unix::process::CommandExt::before_exec': should be unsafe, use `pre_exec` instead
[INFO] [stderr]    --> src/maths_render.rs:120:10
[INFO] [stderr]     |
[INFO] [stderr] 120 |         .before_exec(setlimits)
[INFO] [stderr]     |          ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `"docker" "inspect" "2ef4a0ce06f5a8a64dfcb4b76ebf1211f64f6508cdc1a1d3891c89c18708d40b"`
[INFO] running `"docker" "rm" "-f" "2ef4a0ce06f5a8a64dfcb4b76ebf1211f64f6508cdc1a1d3891c89c18708d40b"`
[INFO] [stdout] 2ef4a0ce06f5a8a64dfcb4b76ebf1211f64f6508cdc1a1d3891c89c18708d40b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/JJJollyjim/mathsbot:/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] bc5edadd7886bf05b406773b1f7f84e34717d7047633ba06eadaa4c47a1185c0
[INFO] running `"docker" "start" "-a" "bc5edadd7886bf05b406773b1f7f84e34717d7047633ba06eadaa4c47a1185c0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mathsbot-2b339f9cd5535aca
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test parser::test::two_in_middle_test ... ok
[INFO] [stdout] test parser::test::start_test ... ok
[INFO] [stdout] test parser::test::start_and_end_test ... ok
[INFO] [stdout] test parser::test::end_test ... ok
[INFO] [stdout] test parser::test::simple_plain_test ... ok
[INFO] [stdout] test parser::test::dollars_plain_test ... ok
[INFO] [stdout] test parser::test::environment_test ... ok
[INFO] [stdout] test parser::test::environment_surrounded_test ... ok
[INFO] [stdout] test parser::test::which_is_pretty_cool_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "bc5edadd7886bf05b406773b1f7f84e34717d7047633ba06eadaa4c47a1185c0"`
[INFO] running `"docker" "rm" "-f" "bc5edadd7886bf05b406773b1f7f84e34717d7047633ba06eadaa4c47a1185c0"`
[INFO] [stdout] bc5edadd7886bf05b406773b1f7f84e34717d7047633ba06eadaa4c47a1185c0