[INFO] updating cached repository https://github.com/jacwah/oak
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8cc41d56c6b66ceca1da6ff4ed14542673c50233
[INFO] testing jacwah/oak against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacwah%2Foak" "work/builds/worker-5/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jacwah/oak on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jacwah/oak
[INFO] finished tweaking git repo https://github.com/jacwah/oak
[INFO] tweaked toml for git repo https://github.com/jacwah/oak written to work/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/jacwah/oak already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 1fc5ca4232a8779bb3827c836d01893587aac5c89d43f49762227c189f197c9f
[INFO] running `"docker" "start" "-a" "1fc5ca4232a8779bb3827c836d01893587aac5c89d43f49762227c189f197c9f"`
[INFO] [stderr]    Compiling gcc v0.3.38
[INFO] [stderr]    Compiling matches v0.1.3
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling clap v2.16.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling unicode-bidi v0.2.3
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling cmake v0.1.18
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling libz-sys v1.0.6
[INFO] [stderr]    Compiling libgit2-sys v0.5.1
[INFO] [stderr]    Compiling url v1.2.2
[INFO] [stderr]    Compiling globset v0.1.2
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.2.2/src/form_urlencoded.rs:246:40
[INFO] [stderr]     |
[INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 246 |     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 git2 v0.5.0
[INFO] [stderr]    Compiling oak v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tree_processor.rs:16:62
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn process(&mut self, tree: &mut TreeIter) -> Option<Box<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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tree.rs:59:21
[INFO] [stderr]    |
[INFO] [stderr] 59 |     file_filter: Rc<FileFilter>,
[INFO] [stderr]    |                     ^^^^^^^^^^ help: use `dyn`: `dyn FileFilter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tree.rs:64:44
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn new<P>(path: P, file_filter: Rc<FileFilter>) -> Result<Self, Box<Error>> where
[INFO] [stderr]    |                                            ^^^^^^^^^^ help: use `dyn`: `dyn FileFilter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tree.rs:64:77
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn new<P>(path: P, file_filter: Rc<FileFilter>) -> Result<Self, Box<Error>> where
[INFO] [stderr]    |                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tree.rs:79:42
[INFO] [stderr]    |
[INFO] [stderr] 79 |     type Item = Result<fs::DirEntry, Box<Error>>;
[INFO] [stderr]    |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tree.rs:138:21
[INFO] [stderr]     |
[INFO] [stderr] 138 |     file_filter: Rc<FileFilter>,
[INFO] [stderr]     |                     ^^^^^^^^^^ help: use `dyn`: `dyn FileFilter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tree.rs:143:67
[INFO] [stderr]     |
[INFO] [stderr] 143 |     pub fn new<P, F>(path: P, file_filter: F) -> Result<Self, Box<Error>> where
[INFO] [stderr]     |                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tree.rs:179:76
[INFO] [stderr]     |
[INFO] [stderr] 179 | fn next_entry(dir: &mut Peekable<FilteredDir>) -> Option<Result<Entry, Box<Error>>> {
[INFO] [stderr]     |                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tree.rs:201:35
[INFO] [stderr]     |
[INFO] [stderr] 201 |     type Item = Result<Event, Box<Error>>;
[INFO] [stderr]     |                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filters.rs:12:40
[INFO] [stderr]    |
[INFO] [stderr] 12 | type Result = result::Result<bool, Box<Error>>;
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filters.rs:30:22
[INFO] [stderr]    |
[INFO] [stderr] 30 |     filters: Vec<Box<FileFilter>>,
[INFO] [stderr]    |                      ^^^^^^^^^^ help: use `dyn`: `dyn FileFilter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filters.rs:83:59
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn build(&self) -> result::Result<GlobFilter, Box<Error>> {
[INFO] [stderr]    |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filters.rs:109:104
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn from<I: Iterator<Item=String>>(patterns: I, invert: bool) -> result::Result<GlobFilter, Box<Error>> {
[INFO] [stderr]     |                                                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filters.rs:144:75
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn new(path: &Path) -> Option<result::Result<GitignoreFilter, Box<Error>>> {
[INFO] [stderr]     |                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn die(message: &Display) -> ! {
[INFO] [stderr]    |                  ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.06s
[INFO] running `"docker" "inspect" "1fc5ca4232a8779bb3827c836d01893587aac5c89d43f49762227c189f197c9f"`
[INFO] running `"docker" "rm" "-f" "1fc5ca4232a8779bb3827c836d01893587aac5c89d43f49762227c189f197c9f"`
[INFO] [stdout] 1fc5ca4232a8779bb3827c836d01893587aac5c89d43f49762227c189f197c9f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7e8643e258ace9e611b0133bf1421a0355f2c39ca27e566f0cae9ea05ac7a482
[INFO] running `"docker" "start" "-a" "7e8643e258ace9e611b0133bf1421a0355f2c39ca27e566f0cae9ea05ac7a482"`
[INFO] [stderr]    Compiling oak v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tree_processor.rs:16:62
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn process(&mut self, tree: &mut TreeIter) -> Option<Box<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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tree.rs:59:21
[INFO] [stderr]    |
[INFO] [stderr] 59 |     file_filter: Rc<FileFilter>,
[INFO] [stderr]    |                     ^^^^^^^^^^ help: use `dyn`: `dyn FileFilter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tree.rs:64:44
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn new<P>(path: P, file_filter: Rc<FileFilter>) -> Result<Self, Box<Error>> where
[INFO] [stderr]    |                                            ^^^^^^^^^^ help: use `dyn`: `dyn FileFilter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tree.rs:64:77
[INFO] [stderr]    |
[INFO] [stderr] 64 |     pub fn new<P>(path: P, file_filter: Rc<FileFilter>) -> Result<Self, Box<Error>> where
[INFO] [stderr]    |                                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/tree.rs:79:42
[INFO] [stderr]    |
[INFO] [stderr] 79 |     type Item = Result<fs::DirEntry, Box<Error>>;
[INFO] [stderr]    |                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tree.rs:138:21
[INFO] [stderr]     |
[INFO] [stderr] 138 |     file_filter: Rc<FileFilter>,
[INFO] [stderr]     |                     ^^^^^^^^^^ help: use `dyn`: `dyn FileFilter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tree.rs:143:67
[INFO] [stderr]     |
[INFO] [stderr] 143 |     pub fn new<P, F>(path: P, file_filter: F) -> Result<Self, Box<Error>> where
[INFO] [stderr]     |                                                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tree.rs:179:76
[INFO] [stderr]     |
[INFO] [stderr] 179 | fn next_entry(dir: &mut Peekable<FilteredDir>) -> Option<Result<Entry, Box<Error>>> {
[INFO] [stderr]     |                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tree.rs:201:35
[INFO] [stderr]     |
[INFO] [stderr] 201 |     type Item = Result<Event, Box<Error>>;
[INFO] [stderr]     |                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filters.rs:12:40
[INFO] [stderr]    |
[INFO] [stderr] 12 | type Result = result::Result<bool, Box<Error>>;
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filters.rs:30:22
[INFO] [stderr]    |
[INFO] [stderr] 30 |     filters: Vec<Box<FileFilter>>,
[INFO] [stderr]    |                      ^^^^^^^^^^ help: use `dyn`: `dyn FileFilter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filters.rs:83:59
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn build(&self) -> result::Result<GlobFilter, Box<Error>> {
[INFO] [stderr]    |                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filters.rs:109:104
[INFO] [stderr]     |
[INFO] [stderr] 109 |     pub fn from<I: Iterator<Item=String>>(patterns: I, invert: bool) -> result::Result<GlobFilter, Box<Error>> {
[INFO] [stderr]     |                                                                                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filters.rs:144:75
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn new(path: &Path) -> Option<result::Result<GitignoreFilter, Box<Error>>> {
[INFO] [stderr]     |                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:14:18
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn die(message: &Display) -> ! {
[INFO] [stderr]    |                  ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "7e8643e258ace9e611b0133bf1421a0355f2c39ca27e566f0cae9ea05ac7a482"`
[INFO] running `"docker" "rm" "-f" "7e8643e258ace9e611b0133bf1421a0355f2c39ca27e566f0cae9ea05ac7a482"`
[INFO] [stdout] 7e8643e258ace9e611b0133bf1421a0355f2c39ca27e566f0cae9ea05ac7a482
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] ec77b6519ce4ee1d37e2c209361a8b1a3d2233768f909b3286cb5bf4a3ac51c3
[INFO] running `"docker" "start" "-a" "ec77b6519ce4ee1d37e2c209361a8b1a3d2233768f909b3286cb5bf4a3ac51c3"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/oak-220a9e9aae8e2c4c
[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] [stderr]      Running /opt/rustwide/target/debug/deps/oak-dbd15d2ab87cfbfe
[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] [stderr]    Doc-tests oak
[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" "ec77b6519ce4ee1d37e2c209361a8b1a3d2233768f909b3286cb5bf4a3ac51c3"`
[INFO] running `"docker" "rm" "-f" "ec77b6519ce4ee1d37e2c209361a8b1a3d2233768f909b3286cb5bf4a3ac51c3"`
[INFO] [stdout] ec77b6519ce4ee1d37e2c209361a8b1a3d2233768f909b3286cb5bf4a3ac51c3