[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-1.37-6/sources/1.36.0/gh/JJJollyjim/mathsbot"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/JJJollyjim/mathsbot'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/JJJollyjim/mathsbot" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JJJollyjim/mathsbot"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of JJJollyjim/mathsbot 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 JJJollyjim/mathsbot [INFO] finished frobbing JJJollyjim/mathsbot [INFO] frobbed toml for JJJollyjim/mathsbot written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing JJJollyjim/mathsbot 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-6/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/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" "+beta-2019-07-23" "build" "--frozen"` [INFO] [stdout] bd852237be9d3ea0029610d03d054df171f577971ee67b5a65675a125d0de4ff [INFO] running `"docker" "start" "-a" "bd852237be9d3ea0029610d03d054df171f577971ee67b5a65675a125d0de4ff"` [INFO] [stderr] Compiling siphasher v0.2.2 [INFO] [stderr] Compiling cc v1.0.15 [INFO] [stderr] Compiling pkg-config v0.3.11 [INFO] [stderr] Compiling cfg-if v0.1.3 [INFO] [stderr] Compiling unicode-normalization v0.1.6 [INFO] [stderr] Compiling openssl v0.9.24 [INFO] [stderr] Compiling smallvec v0.6.1 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling ucd-util v0.1.1 [INFO] [stderr] Compiling sha1 v0.2.0 [INFO] [stderr] Compiling itoa v0.4.1 [INFO] [stderr] Compiling antidote v1.0.0 [INFO] [stderr] Compiling serde v1.0.51 [INFO] [stderr] Compiling vec_shift v0.1.0 [INFO] [stderr] Compiling memchr v2.0.1 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Compiling base64 v0.7.0 [INFO] [stderr] Compiling log v0.4.1 [INFO] [stderr] Compiling num-integer v0.1.36 [INFO] [stderr] Compiling unsafe-any v0.4.2 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling parking_lot_core v0.2.14 [INFO] [stderr] Compiling threadpool v1.7.1 [INFO] [stderr] Compiling aho-corasick v0.6.4 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling typemap v0.3.3 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling uuid v0.5.1 [INFO] [stderr] Compiling parking_lot v0.4.8 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling phf_shared v0.7.22 [INFO] [stderr] Compiling openssl-sys v0.9.30 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Compiling syn v0.13.7 [INFO] [stderr] Compiling phf_generator v0.7.22 [INFO] [stderr] Compiling phf v0.7.22 [INFO] [stderr] Compiling phf_codegen v0.7.22 [INFO] [stderr] Compiling mime_guess v1.8.4 [INFO] [stderr] Compiling flate2 v0.2.20 [INFO] [stderr] Compiling idna v0.1.4 [INFO] [stderr] Compiling serde_derive v1.0.51 [INFO] [stderr] Compiling native-tls v0.1.5 [INFO] [stderr] Compiling url v1.7.0 [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.7.0/src/form_urlencoded.rs:261:40 [INFO] [stderr] | [INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 260 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 261 | fn finish(self) -> &'a mut ::Url { self.url } [INFO] [stderr] | ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait [INFO] [stderr] | | [INFO] [stderr] | returning this value requires that `*self.url` is borrowed for `'a` [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 chrono v0.4.2 [INFO] [stderr] Compiling serde_json v1.0.17 [INFO] [stderr] Compiling env_logger v0.4.3 [INFO] [stderr] Compiling hyper v0.10.13 [INFO] [stderr] Compiling hyper-native-tls v0.2.4 [INFO] [stderr] Compiling evzht9h3nznqzwl v0.0.2 [INFO] [stderr] Compiling multipart v0.13.6 [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) -> 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 2m 53s [INFO] running `"docker" "inspect" "bd852237be9d3ea0029610d03d054df171f577971ee67b5a65675a125d0de4ff"` [INFO] running `"docker" "rm" "-f" "bd852237be9d3ea0029610d03d054df171f577971ee67b5a65675a125d0de4ff"` [INFO] [stdout] bd852237be9d3ea0029610d03d054df171f577971ee67b5a65675a125d0de4ff [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"` [INFO] [stdout] a4b1a110e4e24b89a519626f51b95ca0eb526d2ac4aa7b7dd1b2a6283c816d19 [INFO] running `"docker" "start" "-a" "a4b1a110e4e24b89a519626f51b95ca0eb526d2ac4aa7b7dd1b2a6283c816d19"` [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 2.59s [INFO] running `"docker" "inspect" "a4b1a110e4e24b89a519626f51b95ca0eb526d2ac4aa7b7dd1b2a6283c816d19"` [INFO] running `"docker" "rm" "-f" "a4b1a110e4e24b89a519626f51b95ca0eb526d2ac4aa7b7dd1b2a6283c816d19"` [INFO] [stdout] a4b1a110e4e24b89a519626f51b95ca0eb526d2ac4aa7b7dd1b2a6283c816d19 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/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" "+beta-2019-07-23" "test" "--frozen"` [INFO] [stdout] 5c87349918f0e485490555e9dcee65898fc57b15d3215ec364b64db203c09df7 [INFO] running `"docker" "start" "-a" "5c87349918f0e485490555e9dcee65898fc57b15d3215ec364b64db203c09df7"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running /opt/crater/target/debug/deps/mathsbot-065b1b711f75e5fb [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test parser::test::environment_surrounded_test ... ok [INFO] [stdout] test parser::test::end_test ... ok [INFO] [stdout] test parser::test::dollars_plain_test ... ok [INFO] [stdout] test parser::test::environment_test ... ok [INFO] [stdout] test parser::test::simple_plain_test ... ok [INFO] [stdout] test parser::test::start_and_end_test ... ok [INFO] [stdout] test parser::test::which_is_pretty_cool_test ... ok [INFO] [stdout] test parser::test::two_in_middle_test ... ok [INFO] [stdout] test parser::test::start_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" "5c87349918f0e485490555e9dcee65898fc57b15d3215ec364b64db203c09df7"` [INFO] running `"docker" "rm" "-f" "5c87349918f0e485490555e9dcee65898fc57b15d3215ec364b64db203c09df7"` [INFO] [stdout] 5c87349918f0e485490555e9dcee65898fc57b15d3215ec364b64db203c09df7