[INFO] updating cached repository leshow/mdt [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/leshow/mdt [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/leshow/mdt" "work/ex/beta-1.38-1/sources/1.37.0/gh/leshow/mdt"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/leshow/mdt'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/leshow/mdt" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/leshow/mdt"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/leshow/mdt'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 825aa3ca5124ff21a1a7a0cbcd788b06d244ee00 [INFO] sha for GitHub repo leshow/mdt: 825aa3ca5124ff21a1a7a0cbcd788b06d244ee00 [INFO] validating manifest of leshow/mdt 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 leshow/mdt 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 leshow/mdt [INFO] finished frobbing leshow/mdt [INFO] frobbed toml for leshow/mdt written to work/ex/beta-1.38-1/sources/1.37.0/gh/leshow/mdt/Cargo.toml [INFO] started frobbing leshow/mdt [INFO] finished frobbing leshow/mdt [INFO] frobbed toml for leshow/mdt written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/leshow/mdt/Cargo.toml [INFO] crate leshow/mdt 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 leshow/mdt 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/leshow/mdt:/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] b21383e928854c09a23ad2a0b880a90d621119c8176443201159abc211a399cf [INFO] running `"docker" "start" "-a" "b21383e928854c09a23ad2a0b880a90d621119c8176443201159abc211a399cf"` [INFO] [stderr] Compiling cc v1.0.4 [INFO] [stderr] Compiling plist v0.3.0 [INFO] [stderr] Compiling same-file v1.0.1 [INFO] [stderr] Compiling getopts v0.2.15 [INFO] [stderr] Compiling xml-rs v0.7.0 [INFO] [stderr] Compiling base64 v0.9.3 [INFO] [stderr] Compiling yaml-rust v0.4.0 [INFO] [stderr] Compiling bincode v1.0.1 [INFO] [stderr] Compiling serde_json v1.0.9 [INFO] [stderr] Compiling immeta v0.4.0 [INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.15/src/lib.rs:1033:33 [INFO] [stderr] | [INFO] [stderr] 978 | let mut machine = |cont: &mut bool, (i, c): (usize, char)| { [INFO] [stderr] | ---------------------------------------- borrow of `state` occurs here [INFO] [stderr] ... [INFO] [stderr] 982 | state = match (state, whitespace, limit) { [INFO] [stderr] | ----- borrow occurs due to use of `state` in closure [INFO] [stderr] ... [INFO] [stderr] 1033 | while cont && match state { B | C => true, A => false } { [INFO] [stderr] | ^ use of borrowed `state` [INFO] [stderr] 1034 | machine(&mut cont, (fake_i, ' ')); [INFO] [stderr] | ------- borrow later used here [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 walkdir v2.0.1 [INFO] [stderr] Compiling onig_sys v69.0.0 [INFO] [stderr] Compiling miniz-sys v0.1.10 [INFO] [stderr] Compiling flate2 v1.0.1 [INFO] [stderr] Compiling onig v4.2.0 [INFO] [stderr] Compiling syntect v3.0.1 [INFO] [stderr] Compiling mdt v0.2.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:127:32 [INFO] [stderr] | [INFO] [stderr] 127 | fn cause(&self) -> Option<&Error> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(bare_trait_objects)] on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `img_dim` [INFO] [stderr] --> src/img.rs:9:1 [INFO] [stderr] | [INFO] [stderr] 9 | / pub fn img_dim
(path: P) -> MDResult<(u32, u32)>
[INFO] [stderr] 10 | | where
[INFO] [stderr] 11 | | P: AsRef (path: P) -> MDResult<(u32, u32)>
[INFO] [stderr] 10 | | where
[INFO] [stderr] 11 | | P: AsRef