[INFO] crate vfs 0.2.0 is already in cache
[INFO] extracting crate vfs 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/vfs/0.2.0
[INFO] extracting crate vfs 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/vfs/0.2.0
[INFO] validating manifest of vfs-0.2.0 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 vfs-0.2.0 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 vfs-0.2.0
[INFO] finished frobbing vfs-0.2.0
[INFO] frobbed toml for vfs-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/vfs/0.2.0/Cargo.toml
[INFO] started frobbing vfs-0.2.0
[INFO] finished frobbing vfs-0.2.0
[INFO] frobbed toml for vfs-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/vfs/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 vfs-0.2.0 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/vfs/0.2.0:/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] 5cfc740fa696cd45bf865edb22c374e8835002bbc8aec66df246b918f29d8f88
[INFO] running `"docker" "start" "-a" "5cfc740fa696cd45bf865edb22c374e8835002bbc8aec66df246b918f29d8f88"`
[INFO] [stderr]    Compiling vfs v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/physical.rs:40:77
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn open_with_options(&self, open_options: &::OpenOptions) -> Result<Box<VFile>> {
[INFO] [stderr]    |                                                                             ^^^^^ help: use `dyn`: `dyn VFile`
[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/physical.rs:49:41
[INFO] [stderr]    |
[INFO] [stderr] 49 |             .map(|x| Box::new(x) as Box<VFile>)
[INFO] [stderr]    |                                         ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/physical.rs:52:34
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn open(&self) -> Result<Box<VFile>> {
[INFO] [stderr]    |                                  ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/physical.rs:53:54
[INFO] [stderr]    |
[INFO] [stderr] 53 |         File::open(&self).map(|x| Box::new(x) as Box<VFile>)
[INFO] [stderr]    |                                                      ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/physical.rs:56:36
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn create(&self) -> Result<Box<VFile>> {
[INFO] [stderr]    |                                    ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/physical.rs:57:56
[INFO] [stderr]    |
[INFO] [stderr] 57 |         File::create(&self).map(|x| Box::new(x) as Box<VFile>)
[INFO] [stderr]    |                                                        ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/physical.rs:60:36
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn append(&self) -> Result<Box<VFile>> {
[INFO] [stderr]    |                                    ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/physical.rs:65:41
[INFO] [stderr]    |
[INFO] [stderr] 65 |             .map(|x| Box::new(x) as Box<VFile>)
[INFO] [stderr]    |                                         ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/physical.rs:68:36
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn parent(&self) -> Option<Box<VPath>> {
[INFO] [stderr]    |                                    ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/physical.rs:89:45
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn resolve(&self, path: &String) -> Box<VPath> {
[INFO] [stderr]    |                                             ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/physical.rs:122:38
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn metadata(&self) -> Result<Box<VMetadata>> {
[INFO] [stderr]     |                                      ^^^^^^^^^ help: use `dyn`: `dyn VMetadata`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/physical.rs:123:59
[INFO] [stderr]     |
[INFO] [stderr] 123 |         <Path>::metadata(self).map(|x| Box::new(x) as Box<VMetadata>)
[INFO] [stderr]     |                                                           ^^^^^^^^^ help: use `dyn`: `dyn VMetadata`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/physical.rs:126:38
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn read_dir(&self) -> Result<Box<Iterator<Item = Result<Box<VPath>>>>> {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<Box<VPath>>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/physical.rs:126:65
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn read_dir(&self) -> Result<Box<Iterator<Item = Result<Box<VPath>>>>> {
[INFO] [stderr]     |                                                                 ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/physical.rs:128:63
[INFO] [stderr]     |
[INFO] [stderr] 128 |             Box::new(PhysicalReadDir { inner: inner }) as Box<Iterator<Item = Result<Box<VPath>>>>
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<Box<VPath>>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/physical.rs:128:90
[INFO] [stderr]     |
[INFO] [stderr] 128 |             Box::new(PhysicalReadDir { inner: inner }) as Box<Iterator<Item = Result<Box<VPath>>>>
[INFO] [stderr]     |                                                                                          ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/physical.rs:136:32
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn box_clone(&self) -> Box<VPath> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/physical.rs:150:28
[INFO] [stderr]     |
[INFO] [stderr] 150 |     type Item = Result<Box<VPath>>;
[INFO] [stderr]     |                            ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/physical.rs:151:45
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn next(&mut self) -> Option<Result<Box<VPath>>> {
[INFO] [stderr]     |                                             ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/physical.rs:152:89
[INFO] [stderr]     |
[INFO] [stderr] 152 |         self.inner.next().map(|result| result.map(|entry| Box::new(entry.path()) as Box<VPath>))
[INFO] [stderr]     |                                                                                         ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/memory.rs:264:75
[INFO] [stderr]     |
[INFO] [stderr] 264 |     fn open_with_options(&self, open_options: &OpenOptions) -> Result<Box<VFile>> {
[INFO] [stderr]     |                                                                           ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/memory.rs:307:36
[INFO] [stderr]     |
[INFO] [stderr] 307 |     fn parent(&self) -> Option<Box<VPath>> {
[INFO] [stderr]     |                                    ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/memory.rs:308:65
[INFO] [stderr]     |
[INFO] [stderr] 308 |         self.parent_internal().map(|path| Box::new(path) as Box<VPath>)
[INFO] [stderr]     |                                                                 ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/memory.rs:331:45
[INFO] [stderr]     |
[INFO] [stderr] 331 |     fn resolve(&self, path: &String) -> Box<VPath> {
[INFO] [stderr]     |                                             ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/memory.rs:352:38
[INFO] [stderr]     |
[INFO] [stderr] 352 |     fn metadata(&self) -> Result<Box<VMetadata>> {
[INFO] [stderr]     |                                      ^^^^^^^^^ help: use `dyn`: `dyn VMetadata`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/memory.rs:353:82
[INFO] [stderr]     |
[INFO] [stderr] 353 |         return try!(self.with_node(FsNode::metadata)).map(|x| Box::new(x) as Box<VMetadata>);
[INFO] [stderr]     |                                                                                  ^^^^^^^^^ help: use `dyn`: `dyn VMetadata`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/memory.rs:356:38
[INFO] [stderr]     |
[INFO] [stderr] 356 |     fn read_dir(&self) -> Result<Box<Iterator<Item = Result<Box<VPath>>>>> {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<Box<VPath>>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/memory.rs:356:65
[INFO] [stderr]     |
[INFO] [stderr] 356 |     fn read_dir(&self) -> Result<Box<Iterator<Item = Result<Box<VPath>>>>> {
[INFO] [stderr]     |                                                                 ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/memory.rs:363:67
[INFO] [stderr]     |
[INFO] [stderr] 363 |                                                     name)) as Box<VPath>)
[INFO] [stderr]     |                                                                   ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/memory.rs:401:32
[INFO] [stderr]     |
[INFO] [stderr] 401 |     fn box_clone(&self) -> Box<VPath> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/util.rs:7:19
[INFO] [stderr]   |
[INFO] [stderr] 7 |     todo: Vec<Box<VPath>>,
[INFO] [stderr]   |                   ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util.rs:11:24
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn walk_dir(path: &VPath) -> WalkDirIter {
[INFO] [stderr]    |                        ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 |     type Item = Box<VPath>;
[INFO] [stderr]    |                     ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util.rs:18:38
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn next(&mut self) -> Option<Box<VPath>> {
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:65:74
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn open_with_options(&self, openOptions: &OpenOptions) -> Result<Box<VFile>>;
[INFO] [stderr]    |                                                                          ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:67:34
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn open(&self) -> Result<Box<VFile>> {
[INFO] [stderr]    |                                  ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:71:36
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn create(&self) -> Result<Box<VFile>> {
[INFO] [stderr]    |                                    ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:75:36
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn append(&self) -> Result<Box<VFile>> {
[INFO] [stderr]    |                                    ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:95:45
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn resolve(&self, path: &String) -> Box<VPath>;
[INFO] [stderr]    |                                             ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:98:36
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fn parent(&self) -> Option<Box<VPath>>;
[INFO] [stderr]    |                                    ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:104:38
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn metadata(&self) -> Result<Box<VMetadata>>;
[INFO] [stderr]     |                                      ^^^^^^^^^ help: use `dyn`: `dyn VMetadata`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:107:38
[INFO] [stderr]     |
[INFO] [stderr] 107 |     fn read_dir(&self) -> Result<Box<Iterator<Item = Result<Box<VPath>>>>>;
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<Box<VPath>>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:107:65
[INFO] [stderr]     |
[INFO] [stderr] 107 |     fn read_dir(&self) -> Result<Box<Iterator<Item = Result<Box<VPath>>>>>;
[INFO] [stderr]     |                                                                 ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:115:32
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn box_clone(&self) -> Box<VPath>;
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:118:20
[INFO] [stderr]     |
[INFO] [stderr] 118 | impl Clone for Box<VPath> {
[INFO] [stderr]     |                    ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:119:28
[INFO] [stderr]     |
[INFO] [stderr] 119 |     fn clone(&self) -> Box<VPath> {
[INFO] [stderr]     |                            ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:126:40
[INFO] [stderr]     |
[INFO] [stderr] 126 | pub fn resolve<S: Into<String>>(base: &VPath, path: S) -> Box<VPath> {
[INFO] [stderr]     |                                        ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:126:63
[INFO] [stderr]     |
[INFO] [stderr] 126 | pub fn resolve<S: Into<String>>(base: &VPath, path: S) -> Box<VPath> {
[INFO] [stderr]     |                                                               ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `openOptions` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:65:33
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn open_with_options(&self, openOptions: &OpenOptions) -> Result<Box<VFile>>;
[INFO] [stderr]    |                                 ^^^^^^^^^^^ help: convert the identifier to snake case: `open_options`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `"docker" "inspect" "5cfc740fa696cd45bf865edb22c374e8835002bbc8aec66df246b918f29d8f88"`
[INFO] running `"docker" "rm" "-f" "5cfc740fa696cd45bf865edb22c374e8835002bbc8aec66df246b918f29d8f88"`
[INFO] [stdout] 5cfc740fa696cd45bf865edb22c374e8835002bbc8aec66df246b918f29d8f88
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/vfs/0.2.0:/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] b604d5ba759ab8df234038c8bd962425ce4218ab596ed006c371f0b0b01fdf0a
[INFO] running `"docker" "start" "-a" "b604d5ba759ab8df234038c8bd962425ce4218ab596ed006c371f0b0b01fdf0a"`
[INFO] [stderr]    Compiling vfs v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/physical.rs:40:77
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn open_with_options(&self, open_options: &::OpenOptions) -> Result<Box<VFile>> {
[INFO] [stderr]    |                                                                             ^^^^^ help: use `dyn`: `dyn VFile`
[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/physical.rs:49:41
[INFO] [stderr]    |
[INFO] [stderr] 49 |             .map(|x| Box::new(x) as Box<VFile>)
[INFO] [stderr]    |                                         ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/physical.rs:52:34
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn open(&self) -> Result<Box<VFile>> {
[INFO] [stderr]    |                                  ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/physical.rs:53:54
[INFO] [stderr]    |
[INFO] [stderr] 53 |         File::open(&self).map(|x| Box::new(x) as Box<VFile>)
[INFO] [stderr]    |                                                      ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/physical.rs:56:36
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn create(&self) -> Result<Box<VFile>> {
[INFO] [stderr]    |                                    ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/physical.rs:57:56
[INFO] [stderr]    |
[INFO] [stderr] 57 |         File::create(&self).map(|x| Box::new(x) as Box<VFile>)
[INFO] [stderr]    |                                                        ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/physical.rs:60:36
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn append(&self) -> Result<Box<VFile>> {
[INFO] [stderr]    |                                    ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/physical.rs:65:41
[INFO] [stderr]    |
[INFO] [stderr] 65 |             .map(|x| Box::new(x) as Box<VFile>)
[INFO] [stderr]    |                                         ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/physical.rs:68:36
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn parent(&self) -> Option<Box<VPath>> {
[INFO] [stderr]    |                                    ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/physical.rs:89:45
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn resolve(&self, path: &String) -> Box<VPath> {
[INFO] [stderr]    |                                             ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/physical.rs:122:38
[INFO] [stderr]     |
[INFO] [stderr] 122 |     fn metadata(&self) -> Result<Box<VMetadata>> {
[INFO] [stderr]     |                                      ^^^^^^^^^ help: use `dyn`: `dyn VMetadata`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/physical.rs:123:59
[INFO] [stderr]     |
[INFO] [stderr] 123 |         <Path>::metadata(self).map(|x| Box::new(x) as Box<VMetadata>)
[INFO] [stderr]     |                                                           ^^^^^^^^^ help: use `dyn`: `dyn VMetadata`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/physical.rs:126:38
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn read_dir(&self) -> Result<Box<Iterator<Item = Result<Box<VPath>>>>> {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<Box<VPath>>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/physical.rs:126:65
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn read_dir(&self) -> Result<Box<Iterator<Item = Result<Box<VPath>>>>> {
[INFO] [stderr]     |                                                                 ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/physical.rs:128:63
[INFO] [stderr]     |
[INFO] [stderr] 128 |             Box::new(PhysicalReadDir { inner: inner }) as Box<Iterator<Item = Result<Box<VPath>>>>
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<Box<VPath>>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/physical.rs:128:90
[INFO] [stderr]     |
[INFO] [stderr] 128 |             Box::new(PhysicalReadDir { inner: inner }) as Box<Iterator<Item = Result<Box<VPath>>>>
[INFO] [stderr]     |                                                                                          ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/physical.rs:136:32
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn box_clone(&self) -> Box<VPath> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/physical.rs:150:28
[INFO] [stderr]     |
[INFO] [stderr] 150 |     type Item = Result<Box<VPath>>;
[INFO] [stderr]     |                            ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/physical.rs:151:45
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn next(&mut self) -> Option<Result<Box<VPath>>> {
[INFO] [stderr]     |                                             ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/physical.rs:152:89
[INFO] [stderr]     |
[INFO] [stderr] 152 |         self.inner.next().map(|result| result.map(|entry| Box::new(entry.path()) as Box<VPath>))
[INFO] [stderr]     |                                                                                         ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/physical.rs:186:37
[INFO] [stderr]     |
[INFO] [stderr] 186 |         let entries: Vec<Result<Box<VPath>>> = src.read_dir().unwrap().collect();
[INFO] [stderr]     |                                     ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/memory.rs:264:75
[INFO] [stderr]     |
[INFO] [stderr] 264 |     fn open_with_options(&self, open_options: &OpenOptions) -> Result<Box<VFile>> {
[INFO] [stderr]     |                                                                           ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/memory.rs:307:36
[INFO] [stderr]     |
[INFO] [stderr] 307 |     fn parent(&self) -> Option<Box<VPath>> {
[INFO] [stderr]     |                                    ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/memory.rs:308:65
[INFO] [stderr]     |
[INFO] [stderr] 308 |         self.parent_internal().map(|path| Box::new(path) as Box<VPath>)
[INFO] [stderr]     |                                                                 ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/memory.rs:331:45
[INFO] [stderr]     |
[INFO] [stderr] 331 |     fn resolve(&self, path: &String) -> Box<VPath> {
[INFO] [stderr]     |                                             ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/memory.rs:352:38
[INFO] [stderr]     |
[INFO] [stderr] 352 |     fn metadata(&self) -> Result<Box<VMetadata>> {
[INFO] [stderr]     |                                      ^^^^^^^^^ help: use `dyn`: `dyn VMetadata`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/memory.rs:353:82
[INFO] [stderr]     |
[INFO] [stderr] 353 |         return try!(self.with_node(FsNode::metadata)).map(|x| Box::new(x) as Box<VMetadata>);
[INFO] [stderr]     |                                                                                  ^^^^^^^^^ help: use `dyn`: `dyn VMetadata`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/memory.rs:356:38
[INFO] [stderr]     |
[INFO] [stderr] 356 |     fn read_dir(&self) -> Result<Box<Iterator<Item = Result<Box<VPath>>>>> {
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<Box<VPath>>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/memory.rs:356:65
[INFO] [stderr]     |
[INFO] [stderr] 356 |     fn read_dir(&self) -> Result<Box<Iterator<Item = Result<Box<VPath>>>>> {
[INFO] [stderr]     |                                                                 ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/memory.rs:363:67
[INFO] [stderr]     |
[INFO] [stderr] 363 |                                                     name)) as Box<VPath>)
[INFO] [stderr]     |                                                                   ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/memory.rs:401:32
[INFO] [stderr]     |
[INFO] [stderr] 401 |     fn box_clone(&self) -> Box<VPath> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/util.rs:7:19
[INFO] [stderr]   |
[INFO] [stderr] 7 |     todo: Vec<Box<VPath>>,
[INFO] [stderr]   |                   ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util.rs:11:24
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn walk_dir(path: &VPath) -> WalkDirIter {
[INFO] [stderr]    |                        ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util.rs:16:21
[INFO] [stderr]    |
[INFO] [stderr] 16 |     type Item = Box<VPath>;
[INFO] [stderr]    |                     ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util.rs:18:38
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn next(&mut self) -> Option<Box<VPath>> {
[INFO] [stderr]    |                                      ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/util.rs:55:51
[INFO] [stderr]    |
[INFO] [stderr] 55 |                                      .map(|x: Box<VPath>| x.to_string().into_owned())
[INFO] [stderr]    |                                                   ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:65:74
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn open_with_options(&self, openOptions: &OpenOptions) -> Result<Box<VFile>>;
[INFO] [stderr]    |                                                                          ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:67:34
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn open(&self) -> Result<Box<VFile>> {
[INFO] [stderr]    |                                  ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:71:36
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn create(&self) -> Result<Box<VFile>> {
[INFO] [stderr]    |                                    ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:75:36
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn append(&self) -> Result<Box<VFile>> {
[INFO] [stderr]    |                                    ^^^^^ help: use `dyn`: `dyn VFile`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:95:45
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn resolve(&self, path: &String) -> Box<VPath>;
[INFO] [stderr]    |                                             ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:98:36
[INFO] [stderr]    |
[INFO] [stderr] 98 |     fn parent(&self) -> Option<Box<VPath>>;
[INFO] [stderr]    |                                    ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:104:38
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn metadata(&self) -> Result<Box<VMetadata>>;
[INFO] [stderr]     |                                      ^^^^^^^^^ help: use `dyn`: `dyn VMetadata`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:107:38
[INFO] [stderr]     |
[INFO] [stderr] 107 |     fn read_dir(&self) -> Result<Box<Iterator<Item = Result<Box<VPath>>>>>;
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Result<Box<VPath>>>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:107:65
[INFO] [stderr]     |
[INFO] [stderr] 107 |     fn read_dir(&self) -> Result<Box<Iterator<Item = Result<Box<VPath>>>>>;
[INFO] [stderr]     |                                                                 ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:115:32
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn box_clone(&self) -> Box<VPath>;
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:118:20
[INFO] [stderr]     |
[INFO] [stderr] 118 | impl Clone for Box<VPath> {
[INFO] [stderr]     |                    ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:119:28
[INFO] [stderr]     |
[INFO] [stderr] 119 |     fn clone(&self) -> Box<VPath> {
[INFO] [stderr]     |                            ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:126:40
[INFO] [stderr]     |
[INFO] [stderr] 126 | pub fn resolve<S: Into<String>>(base: &VPath, path: S) -> Box<VPath> {
[INFO] [stderr]     |                                        ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:126:63
[INFO] [stderr]     |
[INFO] [stderr] 126 | pub fn resolve<S: Into<String>>(base: &VPath, path: S) -> Box<VPath> {
[INFO] [stderr]     |                                                               ^^^^^ help: use `dyn`: `dyn VPath`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `openOptions` should have a snake case name
[INFO] [stderr]   --> src/lib.rs:65:33
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn open_with_options(&self, openOptions: &OpenOptions) -> Result<Box<VFile>>;
[INFO] [stderr]    |                                 ^^^^^^^^^^^ help: convert the identifier to snake case: `open_options`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.18s
[INFO] running `"docker" "inspect" "b604d5ba759ab8df234038c8bd962425ce4218ab596ed006c371f0b0b01fdf0a"`
[INFO] running `"docker" "rm" "-f" "b604d5ba759ab8df234038c8bd962425ce4218ab596ed006c371f0b0b01fdf0a"`
[INFO] [stdout] b604d5ba759ab8df234038c8bd962425ce4218ab596ed006c371f0b0b01fdf0a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/vfs/0.2.0:/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] a543c25471b7b7fa1e7d7b467dd87d6724890c64c9ee150f0e59228aa9059041
[INFO] running `"docker" "start" "-a" "a543c25471b7b7fa1e7d7b467dd87d6724890c64c9ee150f0e59228aa9059041"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/vfs-57a62c1b67ba5e45
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test memory::tests::path_buf ... ok
[INFO] [stdout] test memory::tests::parent ... ok
[INFO] [stdout] test memory::tests::access_directory_as_file ... ok
[INFO] [stdout] test memory::tests::mkdir ... ok
[INFO] [stdout] test memory::tests::mkdir_fails_for_file ... ok
[INFO] [stdout] test memory::tests::file_name ... ok
[INFO] [stdout] test memory::tests::append ... ok
[INFO] [stdout] test memory::tests::read_dir ... ok
[INFO] [stdout] test memory::tests::resolve ... ok
[INFO] [stdout] test physical::tests::parent ... ok
[INFO] [stdout] test memory::tests::rmdir ... ok
[INFO] [stdout] test memory::tests::rm ... ok
[INFO] [stdout] test memory::tests::write_and_read_file ... ok
[INFO] [stdout] test physical::tests::file_name ... ok
[INFO] [stdout] test memory::tests::read_empty_file ... ok
[INFO] [stdout] test memory::tests::rmrf ... ok
[INFO] [stdout] test physical::tests::read_dir ... ok
[INFO] [stdout] test physical::tests::read_file ... ok
[INFO] [stdout] test physical::tests::to_path_buf ... ok
[INFO] [stdout] test util::tests::mkdir ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vfs
[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" "a543c25471b7b7fa1e7d7b467dd87d6724890c64c9ee150f0e59228aa9059041"`
[INFO] running `"docker" "rm" "-f" "a543c25471b7b7fa1e7d7b467dd87d6724890c64c9ee150f0e59228aa9059041"`
[INFO] [stdout] a543c25471b7b7fa1e7d7b467dd87d6724890c64c9ee150f0e59228aa9059041