[INFO] crate expectation-shared 0.1.0 is already in cache
[INFO] testing expectation-shared-0.1.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate expectation-shared 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate expectation-shared 0.1.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate expectation-shared 0.1.0
[INFO] finished tweaking crates.io crate expectation-shared 0.1.0
[INFO] tweaked toml for crates.io crate expectation-shared 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a13c526475af4735b85a6ae2bb0c1660c499d11ec69aa988b081a0ab7876dded
[INFO] running `"docker" "start" "-a" "a13c526475af4735b85a6ae2bb0c1660c499d11ec69aa988b081a0ab7876dded"`
[INFO] [stderr]    Compiling expectation-shared v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn duplicate(&self) -> Box<FileSystem>;
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[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/filesystem.rs:25:45
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn subsystem(&self, path: &Path) -> Box<FileSystem>;
[INFO] [stderr]    |                                             ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:27:41
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()>;
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut ReadSeek) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:27:52
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()>;
[INFO] [stderr]    |                                                    ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:28:42
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()>;
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Write) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:28:53
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()>;
[INFO] [stderr]    |                                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:54:45
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn subsystem(&self, path: &Path) -> Box<FileSystem> {
[INFO] [stderr]    |                                             ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:66:32
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn duplicate(&self) -> Box<FileSystem> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:75:41
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut ReadSeek) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:75:52
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]    |                                                    ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:86:42
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Write) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:86:53
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]    |                                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:115:45
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn subsystem(&self, path: &Path) -> Box<FileSystem> {
[INFO] [stderr]     |                                             ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:121:32
[INFO] [stderr]     |
[INFO] [stderr] 121 |     fn duplicate(&self) -> Box<FileSystem> {
[INFO] [stderr]     |                                ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:136:41
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut ReadSeek) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:136:52
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]     |                                                    ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:152:42
[INFO] [stderr]     |
[INFO] [stderr] 152 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Write) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:152:53
[INFO] [stderr]     |
[INFO] [stderr] 152 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]     |                                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `"docker" "inspect" "a13c526475af4735b85a6ae2bb0c1660c499d11ec69aa988b081a0ab7876dded"`
[INFO] running `"docker" "rm" "-f" "a13c526475af4735b85a6ae2bb0c1660c499d11ec69aa988b081a0ab7876dded"`
[INFO] [stdout] a13c526475af4735b85a6ae2bb0c1660c499d11ec69aa988b081a0ab7876dded
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 96b8d8f6c2549d3f9509c9652b42163e101b76ec7484f3442e31bf77483b6034
[INFO] running `"docker" "start" "-a" "96b8d8f6c2549d3f9509c9652b42163e101b76ec7484f3442e31bf77483b6034"`
[INFO] [stderr]    Compiling expectation-shared v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn duplicate(&self) -> Box<FileSystem>;
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[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/filesystem.rs:25:45
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn subsystem(&self, path: &Path) -> Box<FileSystem>;
[INFO] [stderr]    |                                             ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:27:41
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()>;
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut ReadSeek) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:27:52
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()>;
[INFO] [stderr]    |                                                    ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:28:42
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()>;
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Write) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:28:53
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()>;
[INFO] [stderr]    |                                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:54:45
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn subsystem(&self, path: &Path) -> Box<FileSystem> {
[INFO] [stderr]    |                                             ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:66:32
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn duplicate(&self) -> Box<FileSystem> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:75:41
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut ReadSeek) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:75:52
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]    |                                                    ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:86:42
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Write) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:86:53
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]    |                                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:115:45
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn subsystem(&self, path: &Path) -> Box<FileSystem> {
[INFO] [stderr]     |                                             ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:121:32
[INFO] [stderr]     |
[INFO] [stderr] 121 |     fn duplicate(&self) -> Box<FileSystem> {
[INFO] [stderr]     |                                ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:136:41
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut ReadSeek) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:136:52
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]     |                                                    ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:152:42
[INFO] [stderr]     |
[INFO] [stderr] 152 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Write) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:152:53
[INFO] [stderr]     |
[INFO] [stderr] 152 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]     |                                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn duplicate(&self) -> Box<FileSystem>;
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[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/filesystem.rs:25:45
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn subsystem(&self, path: &Path) -> Box<FileSystem>;
[INFO] [stderr]    |                                             ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:27:41
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()>;
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut ReadSeek) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:27:52
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()>;
[INFO] [stderr]    |                                                    ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:28:42
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()>;
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Write) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:28:53
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()>;
[INFO] [stderr]    |                                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:54:45
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn subsystem(&self, path: &Path) -> Box<FileSystem> {
[INFO] [stderr]    |                                             ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:66:32
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn duplicate(&self) -> Box<FileSystem> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:75:41
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut ReadSeek) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:75:52
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]    |                                                    ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:86:42
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Write) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:86:53
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]    |                                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:115:45
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn subsystem(&self, path: &Path) -> Box<FileSystem> {
[INFO] [stderr]     |                                             ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:121:32
[INFO] [stderr]     |
[INFO] [stderr] 121 |     fn duplicate(&self) -> Box<FileSystem> {
[INFO] [stderr]     |                                ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:136:41
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut ReadSeek) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:136:52
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]     |                                                    ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:152:42
[INFO] [stderr]     |
[INFO] [stderr] 152 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Write) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:152:53
[INFO] [stderr]     |
[INFO] [stderr] 152 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]     |                                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "96b8d8f6c2549d3f9509c9652b42163e101b76ec7484f3442e31bf77483b6034"`
[INFO] running `"docker" "rm" "-f" "96b8d8f6c2549d3f9509c9652b42163e101b76ec7484f3442e31bf77483b6034"`
[INFO] [stdout] 96b8d8f6c2549d3f9509c9652b42163e101b76ec7484f3442e31bf77483b6034
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8612273dc4e145af646804dcb08673a761246fafe55a618fde91db474835ed9e
[INFO] running `"docker" "start" "-a" "8612273dc4e145af646804dcb08673a761246fafe55a618fde91db474835ed9e"`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn duplicate(&self) -> Box<FileSystem>;
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[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/filesystem.rs:25:45
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn subsystem(&self, path: &Path) -> Box<FileSystem>;
[INFO] [stderr]    |                                             ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:27:41
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()>;
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut ReadSeek) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:27:52
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()>;
[INFO] [stderr]    |                                                    ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:28:42
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()>;
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Write) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:28:53
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()>;
[INFO] [stderr]    |                                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:54:45
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn subsystem(&self, path: &Path) -> Box<FileSystem> {
[INFO] [stderr]    |                                             ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:66:32
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn duplicate(&self) -> Box<FileSystem> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:75:41
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut ReadSeek) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:75:52
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]    |                                                    ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:86:42
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Write) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:86:53
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]    |                                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:115:45
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn subsystem(&self, path: &Path) -> Box<FileSystem> {
[INFO] [stderr]     |                                             ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:121:32
[INFO] [stderr]     |
[INFO] [stderr] 121 |     fn duplicate(&self) -> Box<FileSystem> {
[INFO] [stderr]     |                                ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:136:41
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut ReadSeek) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:136:52
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]     |                                                    ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:152:42
[INFO] [stderr]     |
[INFO] [stderr] 152 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Write) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:152:53
[INFO] [stderr]     |
[INFO] [stderr] 152 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]     |                                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:24:32
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn duplicate(&self) -> Box<FileSystem>;
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[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/filesystem.rs:25:45
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn subsystem(&self, path: &Path) -> Box<FileSystem>;
[INFO] [stderr]    |                                             ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:27:41
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()>;
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut ReadSeek) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:27:52
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()>;
[INFO] [stderr]    |                                                    ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:28:42
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()>;
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Write) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:28:53
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()>;
[INFO] [stderr]    |                                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:54:45
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn subsystem(&self, path: &Path) -> Box<FileSystem> {
[INFO] [stderr]    |                                             ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:66:32
[INFO] [stderr]    |
[INFO] [stderr] 66 |     fn duplicate(&self) -> Box<FileSystem> {
[INFO] [stderr]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:75:41
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut ReadSeek) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:75:52
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]    |                                                    ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:86:42
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Write) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filesystem.rs:86:53
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]    |                                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:115:45
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn subsystem(&self, path: &Path) -> Box<FileSystem> {
[INFO] [stderr]     |                                             ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:121:32
[INFO] [stderr]     |
[INFO] [stderr] 121 |     fn duplicate(&self) -> Box<FileSystem> {
[INFO] [stderr]     |                                ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:136:41
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut ReadSeek) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:136:52
[INFO] [stderr]     |
[INFO] [stderr] 136 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]     |                                                    ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:152:42
[INFO] [stderr]     |
[INFO] [stderr] 152 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Write) -> IoResult<()>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/filesystem.rs:152:53
[INFO] [stderr]     |
[INFO] [stderr] 152 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stderr]     |                                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/expectation_shared-14a687b74eeecaf0
[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 expectation-shared
[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" "8612273dc4e145af646804dcb08673a761246fafe55a618fde91db474835ed9e"`
[INFO] running `"docker" "rm" "-f" "8612273dc4e145af646804dcb08673a761246fafe55a618fde91db474835ed9e"`
[INFO] [stdout] 8612273dc4e145af646804dcb08673a761246fafe55a618fde91db474835ed9e