[INFO] fetching crate expectation-shared 0.1.0...
[INFO] checking expectation-shared-0.1.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate expectation-shared 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate expectation-shared 0.1.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aff888e54237f8d9c09434a2567e1592890a7285f55f100b5ae64d5027086d69
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aff888e54237f8d9c09434a2567e1592890a7285f55f100b5ae64d5027086d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aff888e54237f8d9c09434a2567e1592890a7285f55f100b5ae64d5027086d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aff888e54237f8d9c09434a2567e1592890a7285f55f100b5ae64d5027086d69", kill_on_drop: false }`
[INFO] [stdout] aff888e54237f8d9c09434a2567e1592890a7285f55f100b5ae64d5027086d69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e681e68f77931a4256ea926f8c75a38d399898d926603375a4416ab9bb0db546
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e681e68f77931a4256ea926f8c75a38d399898d926603375a4416ab9bb0db546", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking expectation-shared v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filesystem.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn duplicate(&self) -> Box<FileSystem>;
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filesystem.rs:25:45
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn subsystem(&self, path: &Path) -> Box<FileSystem>;
[INFO] [stdout]    |                                             ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filesystem.rs:27:41
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()>;
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut ReadSeek) -> IoResult<()>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filesystem.rs:27:52
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()>;
[INFO] [stdout]    |                                                    ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filesystem.rs:28:42
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()>;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Write) -> IoResult<()>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filesystem.rs:28:53
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()>;
[INFO] [stdout]    |                                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filesystem.rs:54:45
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn subsystem(&self, path: &Path) -> Box<FileSystem> {
[INFO] [stdout]    |                                             ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filesystem.rs:66:32
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn duplicate(&self) -> Box<FileSystem> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filesystem.rs:75:41
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut ReadSeek) -> IoResult<()>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filesystem.rs:75:52
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stdout]    |                                                    ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filesystem.rs:86:42
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Write) -> IoResult<()>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filesystem.rs:86:53
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stdout]    |                                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/filesystem.rs:115:45
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn subsystem(&self, path: &Path) -> Box<FileSystem> {
[INFO] [stdout]     |                                             ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/filesystem.rs:121:32
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn duplicate(&self) -> Box<FileSystem> {
[INFO] [stdout]     |                                ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/filesystem.rs:136:41
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut ReadSeek) -> IoResult<()>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/filesystem.rs:136:52
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stdout]     |                                                    ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/filesystem.rs:152:42
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Write) -> IoResult<()>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/filesystem.rs:152:53
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stdout]     |                                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filesystem.rs:24:32
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn duplicate(&self) -> Box<FileSystem>;
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filesystem.rs:25:45
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn subsystem(&self, path: &Path) -> Box<FileSystem>;
[INFO] [stdout]    |                                             ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filesystem.rs:27:41
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()>;
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut ReadSeek) -> IoResult<()>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filesystem.rs:27:52
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()>;
[INFO] [stdout]    |                                                    ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filesystem.rs:28:42
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()>;
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Write) -> IoResult<()>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filesystem.rs:28:53
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()>;
[INFO] [stdout]    |                                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filesystem.rs:54:45
[INFO] [stdout]    |
[INFO] [stdout] 54 |     fn subsystem(&self, path: &Path) -> Box<FileSystem> {
[INFO] [stdout]    |                                             ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filesystem.rs:66:32
[INFO] [stdout]    |
[INFO] [stdout] 66 |     fn duplicate(&self) -> Box<FileSystem> {
[INFO] [stdout]    |                                ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filesystem.rs:75:41
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut ReadSeek) -> IoResult<()>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filesystem.rs:75:52
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stdout]    |                                                    ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filesystem.rs:86:42
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Write) -> IoResult<()>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filesystem.rs:86:53
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stdout]    |                                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/filesystem.rs:115:45
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn subsystem(&self, path: &Path) -> Box<FileSystem> {
[INFO] [stdout]     |                                             ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/filesystem.rs:121:32
[INFO] [stdout]     |
[INFO] [stdout] 121 |     fn duplicate(&self) -> Box<FileSystem> {
[INFO] [stdout]     |                                ^^^^^^^^^^ help: use `dyn`: `dyn FileSystem`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/filesystem.rs:136:41
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut ReadSeek) -> IoResult<()>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/filesystem.rs:136:52
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn read(&self, path: &Path, f: &mut FnMut(&mut ReadSeek) -> IoResult<()>) -> IoResult<()> {
[INFO] [stdout]     |                                                    ^^^^^^^^ help: use `dyn`: `dyn ReadSeek`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/filesystem.rs:152:42
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Write) -> IoResult<()>`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/filesystem.rs:152:53
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn write(&self, path: &Path, f: &mut FnMut(&mut Write) -> IoResult<()>) -> IoResult<()> {
[INFO] [stdout]     |                                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.69s
[INFO] running `Command { std: "docker" "inspect" "e681e68f77931a4256ea926f8c75a38d399898d926603375a4416ab9bb0db546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e681e68f77931a4256ea926f8c75a38d399898d926603375a4416ab9bb0db546", kill_on_drop: false }`
[INFO] [stdout] e681e68f77931a4256ea926f8c75a38d399898d926603375a4416ab9bb0db546