[INFO] fetching crate firetrap 0.1.0...
[INFO] testing firetrap-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate firetrap 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate firetrap 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate firetrap 0.1.0
[INFO] finished tweaking crates.io crate firetrap 0.1.0
[INFO] tweaked toml for crates.io crate firetrap 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pam-sys v0.5.6
[INFO] [stderr]   Downloaded pam-auth v0.5.5
[INFO] [stderr]   Downloaded users v0.5.3
[INFO] [stderr]   Downloaded path_abs v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f560f32219a30ba4d26965df34090c2d3ea5667f4adc890803ffd7a4c288e2b
[INFO] running `Command { std: "docker" "start" "-a" "1f560f32219a30ba4d26965df34090c2d3ea5667f4adc890803ffd7a4c288e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f560f32219a30ba4d26965df34090c2d3ea5667f4adc890803ffd7a4c288e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f560f32219a30ba4d26965df34090c2d3ea5667f4adc890803ffd7a4c288e2b", kill_on_drop: false }`
[INFO] [stdout] 1f560f32219a30ba4d26965df34090c2d3ea5667f4adc890803ffd7a4c288e2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e47a853240daef050a07ad1bea378a0d0e9570aa07aa8bd96a11870f6a3b49ed
[INFO] running `Command { std: "docker" "start" "-a" "e47a853240daef050a07ad1bea378a0d0e9570aa07aa8bd96a11870f6a3b49ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling slab v0.4.6
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling std_prelude v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling crossbeam-deque v0.7.4
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling stfu8 v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling path_abs v0.4.1
[INFO] [stderr]    Compiling firetrap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[macro_use] extern crate failure_derive;
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/server.rs:453:18
[INFO] [stdout]     |
[INFO] [stdout] 453 |     storage: Box<(Fn() -> S) + Send>,
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 453 -     storage: Box<(Fn() -> S) + Send>,
[INFO] [stdout] 453 +     storage: Box<dyn (Fn() -> S) + Send>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/server.rs:455:30
[INFO] [stdout]     |
[INFO] [stdout] 455 |     authenticator: &'static (Authenticator + Send + Sync),
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 455 -     authenticator: &'static (Authenticator + Send + Sync),
[INFO] [stdout] 455 +     authenticator: &'static (dyn Authenticator + Send + Sync),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/server.rs:177:32
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]     |                                ^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 177 -     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout] 177 +     fn cause(&self) -> Option<&dyn Fail> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/server.rs:493:23
[INFO] [stdout]     |
[INFO] [stdout] 493 |     pub fn new(s: Box<Fn() -> S + Send>) -> Self {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 493 -     pub fn new(s: Box<Fn() -> S + Send>) -> Self {
[INFO] [stdout] 493 +     pub fn new(s: Box<dyn Fn() -> S + Send>) -> Self {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/commands.rs:426:32
[INFO] [stdout]     |
[INFO] [stdout] 426 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]     |                                ^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 426 -     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout] 426 +     fn cause(&self) -> Option<&dyn Fail> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/storage.rs:94:52
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn stat<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = Self::Metadata, Error = Self::Error> + Send>;
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 94 -     fn stat<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = Self::Metadata, Error = Self::Error> + Send>;
[INFO] [stdout] 94 +     fn stat<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = Self::Metadata, Error = Self::Error> + Send>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/storage.rs:97:52
[INFO] [stdout]    |
[INFO] [stdout] 97 | ...&self, path: P) -> Box<Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> where <Self as Storage...
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 97 -     fn list<P: AsRef<Path>>(&self, path: P) -> Box<Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> where <Self as StorageBackend>::Metadata: Metadata;
[INFO] [stdout] 97 +     fn list<P: AsRef<Path>>(&self, path: P) -> Box<dyn Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> where <Self as StorageBackend>::Metadata: Metadata;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:101:56
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn list_fmt<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = std::io::Cursor<Vec<u8>>, Error = std::io::Error> + Send>
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 101 -     fn list_fmt<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = std::io::Cursor<Vec<u8>>, Error = std::io::Error> + Send>
[INFO] [stdout] 101 +     fn list_fmt<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = std::io::Cursor<Vec<u8>>, Error = std::io::Error> + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:132:52
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn nlst<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = std::io::Cursor<Vec<u8>>, Error = std::io::Error> + Send>
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 132 -     fn nlst<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = std::io::Cursor<Vec<u8>>, Error = std::io::Error> + Send>
[INFO] [stdout] 132 +     fn nlst<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = std::io::Cursor<Vec<u8>>, Error = std::io::Error> + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:164:51
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn get<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = Self::File, Error = Self::Error> + Send>;
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 164 -     fn get<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = Self::File, Error = Self::Error> + Send>;
[INFO] [stdout] 164 +     fn get<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = Self::File, Error = Self::Error> + Send>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:168:114
[INFO] [stdout]     |
[INFO] [stdout] 168 | ...+ 'static>(&self, bytes: R, path: P) -> Box<Future<Item = u64, Error = Self::Error> + Send>;
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 168 -     fn put<P: AsRef<Path>, R: self::tokio::prelude::AsyncRead + Send + 'static>(&self, bytes: R, path: P) -> Box<Future<Item = u64, Error = Self::Error> + Send>;
[INFO] [stdout] 168 +     fn put<P: AsRef<Path>, R: self::tokio::prelude::AsyncRead + Send + 'static>(&self, bytes: R, path: P) -> Box<dyn Future<Item = u64, Error = Self::Error> + Send>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:171:51
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn del<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = (), Error = Self::Error> + Send>;
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 171 -     fn del<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = (), Error = Self::Error> + Send>;
[INFO] [stdout] 171 +     fn del<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = (), Error = Self::Error> + Send>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:174:51
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn mkd<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = (), Error = Self::Error> + Send>;
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 174 -     fn mkd<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = (), Error = Self::Error> + Send>;
[INFO] [stdout] 174 +     fn mkd<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = (), Error = Self::Error> + Send>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:234:52
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn stat<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = Self::Metadata, Error = Self::Error> + Send> {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 234 -     fn stat<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = Self::Metadata, Error = Self::Error> + Send> {
[INFO] [stdout] 234 +     fn stat<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = Self::Metadata, Error = Self::Error> + Send> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:243:52
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn list<P: AsRef<Path>>(&self, path: P) -> Box<Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send>
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 243 -     fn list<P: AsRef<Path>>(&self, path: P) -> Box<Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send>
[INFO] [stdout] 243 +     fn list<P: AsRef<Path>>(&self, path: P) -> Box<dyn Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:269:51
[INFO] [stdout]     |
[INFO] [stdout] 269 |     fn get<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = self::tokio::fs::File, Error = Self::Error> + Send> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 269 -     fn get<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = self::tokio::fs::File, Error = Self::Error> + Send> {
[INFO] [stdout] 269 +     fn get<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = self::tokio::fs::File, Error = Self::Error> + Send> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:278:114
[INFO] [stdout]     |
[INFO] [stdout] 278 | ...+ 'static>(&self, bytes: R, path: P) -> Box<Future<Item = u64, Error = Self::Error> + Send> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 278 -     fn put<P: AsRef<Path>, R: self::tokio::prelude::AsyncRead + Send + 'static>(&self, bytes: R, path: P) -> Box<Future<Item = u64, Error = Self::Error> + Send> {
[INFO] [stdout] 278 +     fn put<P: AsRef<Path>, R: self::tokio::prelude::AsyncRead + Send + 'static>(&self, bytes: R, path: P) -> Box<dyn Future<Item = u64, Error = Self::Error> + Send> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:297:51
[INFO] [stdout]     |
[INFO] [stdout] 297 |     fn del<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = (), Error = Self::Error> + Send> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 297 -     fn del<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = (), Error = Self::Error> + Send> {
[INFO] [stdout] 297 +     fn del<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = (), Error = Self::Error> + Send> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:305:51
[INFO] [stdout]     |
[INFO] [stdout] 305 |     fn mkd<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = (), Error = Self::Error> + Send> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 305 -     fn mkd<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = (), Error = Self::Error> + Send> {
[INFO] [stdout] 305 +     fn mkd<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = (), Error = Self::Error> + Send> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:108:25
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let stream: Box<Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> = self.list(path);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 108 -         let stream: Box<Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> = self.list(path);
[INFO] [stdout] 108 +         let stream: Box<dyn Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> = self.list(path);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:138:25
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let stream: Box<Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> = self.list(path);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 138 -         let stream: Box<Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> = self.list(path);
[INFO] [stdout] 138 +         let stream: Box<dyn Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> = self.list(path);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/server.rs:845:33
[INFO] [stdout]     |
[INFO] [stdout] 845 | ...                   let mut session = session.lock()?;
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/server.rs:875:33
[INFO] [stdout]     |
[INFO] [stdout] 875 | ...                   let mut session = session.lock()?;
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.09s
[INFO] running `Command { std: "docker" "inspect" "e47a853240daef050a07ad1bea378a0d0e9570aa07aa8bd96a11870f6a3b49ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e47a853240daef050a07ad1bea378a0d0e9570aa07aa8bd96a11870f6a3b49ed", kill_on_drop: false }`
[INFO] [stdout] e47a853240daef050a07ad1bea378a0d0e9570aa07aa8bd96a11870f6a3b49ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 846f4a20ac2ead45bb3c24f323f6cbeab511ca5c368391276b8b4b1ad9a4309f
[INFO] running `Command { std: "docker" "start" "-a" "846f4a20ac2ead45bb3c24f323f6cbeab511ca5c368391276b8b4b1ad9a4309f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[macro_use] extern crate failure_derive;
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/server.rs:453:18
[INFO] [stdout]     |
[INFO] [stdout] 453 |     storage: Box<(Fn() -> S) + Send>,
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 453 -     storage: Box<(Fn() -> S) + Send>,
[INFO] [stdout] 453 +     storage: Box<dyn (Fn() -> S) + Send>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/server.rs:455:30
[INFO] [stdout]     |
[INFO] [stdout] 455 |     authenticator: &'static (Authenticator + Send + Sync),
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 455 -     authenticator: &'static (Authenticator + Send + Sync),
[INFO] [stdout] 455 +     authenticator: &'static (dyn Authenticator + Send + Sync),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/server.rs:177:32
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]     |                                ^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 177 -     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout] 177 +     fn cause(&self) -> Option<&dyn Fail> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/server.rs:493:23
[INFO] [stdout]     |
[INFO] [stdout] 493 |     pub fn new(s: Box<Fn() -> S + Send>) -> Self {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 493 -     pub fn new(s: Box<Fn() -> S + Send>) -> Self {
[INFO] [stdout] 493 +     pub fn new(s: Box<dyn Fn() -> S + Send>) -> Self {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/commands.rs:426:32
[INFO] [stdout]     |
[INFO] [stdout] 426 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]     |                                ^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 426 -     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout] 426 +     fn cause(&self) -> Option<&dyn Fail> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/storage.rs:94:52
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn stat<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = Self::Metadata, Error = Self::Error> + Send>;
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 94 -     fn stat<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = Self::Metadata, Error = Self::Error> + Send>;
[INFO] [stdout] 94 +     fn stat<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = Self::Metadata, Error = Self::Error> + Send>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/storage.rs:97:52
[INFO] [stdout]    |
[INFO] [stdout] 97 | ...&self, path: P) -> Box<Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> where <Self as Storage...
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 97 -     fn list<P: AsRef<Path>>(&self, path: P) -> Box<Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> where <Self as StorageBackend>::Metadata: Metadata;
[INFO] [stdout] 97 +     fn list<P: AsRef<Path>>(&self, path: P) -> Box<dyn Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> where <Self as StorageBackend>::Metadata: Metadata;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:101:56
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn list_fmt<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = std::io::Cursor<Vec<u8>>, Error = std::io::Error> + Send>
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 101 -     fn list_fmt<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = std::io::Cursor<Vec<u8>>, Error = std::io::Error> + Send>
[INFO] [stdout] 101 +     fn list_fmt<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = std::io::Cursor<Vec<u8>>, Error = std::io::Error> + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:132:52
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn nlst<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = std::io::Cursor<Vec<u8>>, Error = std::io::Error> + Send>
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 132 -     fn nlst<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = std::io::Cursor<Vec<u8>>, Error = std::io::Error> + Send>
[INFO] [stdout] 132 +     fn nlst<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = std::io::Cursor<Vec<u8>>, Error = std::io::Error> + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:164:51
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn get<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = Self::File, Error = Self::Error> + Send>;
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 164 -     fn get<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = Self::File, Error = Self::Error> + Send>;
[INFO] [stdout] 164 +     fn get<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = Self::File, Error = Self::Error> + Send>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:168:114
[INFO] [stdout]     |
[INFO] [stdout] 168 | ...+ 'static>(&self, bytes: R, path: P) -> Box<Future<Item = u64, Error = Self::Error> + Send>;
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 168 -     fn put<P: AsRef<Path>, R: self::tokio::prelude::AsyncRead + Send + 'static>(&self, bytes: R, path: P) -> Box<Future<Item = u64, Error = Self::Error> + Send>;
[INFO] [stdout] 168 +     fn put<P: AsRef<Path>, R: self::tokio::prelude::AsyncRead + Send + 'static>(&self, bytes: R, path: P) -> Box<dyn Future<Item = u64, Error = Self::Error> + Send>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:171:51
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn del<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = (), Error = Self::Error> + Send>;
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 171 -     fn del<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = (), Error = Self::Error> + Send>;
[INFO] [stdout] 171 +     fn del<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = (), Error = Self::Error> + Send>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:174:51
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn mkd<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = (), Error = Self::Error> + Send>;
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 174 -     fn mkd<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = (), Error = Self::Error> + Send>;
[INFO] [stdout] 174 +     fn mkd<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = (), Error = Self::Error> + Send>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:234:52
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn stat<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = Self::Metadata, Error = Self::Error> + Send> {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 234 -     fn stat<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = Self::Metadata, Error = Self::Error> + Send> {
[INFO] [stdout] 234 +     fn stat<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = Self::Metadata, Error = Self::Error> + Send> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:243:52
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn list<P: AsRef<Path>>(&self, path: P) -> Box<Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send>
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 243 -     fn list<P: AsRef<Path>>(&self, path: P) -> Box<Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send>
[INFO] [stdout] 243 +     fn list<P: AsRef<Path>>(&self, path: P) -> Box<dyn Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:269:51
[INFO] [stdout]     |
[INFO] [stdout] 269 |     fn get<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = self::tokio::fs::File, Error = Self::Error> + Send> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 269 -     fn get<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = self::tokio::fs::File, Error = Self::Error> + Send> {
[INFO] [stdout] 269 +     fn get<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = self::tokio::fs::File, Error = Self::Error> + Send> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:278:114
[INFO] [stdout]     |
[INFO] [stdout] 278 | ...+ 'static>(&self, bytes: R, path: P) -> Box<Future<Item = u64, Error = Self::Error> + Send> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 278 -     fn put<P: AsRef<Path>, R: self::tokio::prelude::AsyncRead + Send + 'static>(&self, bytes: R, path: P) -> Box<Future<Item = u64, Error = Self::Error> + Send> {
[INFO] [stdout] 278 +     fn put<P: AsRef<Path>, R: self::tokio::prelude::AsyncRead + Send + 'static>(&self, bytes: R, path: P) -> Box<dyn Future<Item = u64, Error = Self::Error> + Send> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:297:51
[INFO] [stdout]     |
[INFO] [stdout] 297 |     fn del<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = (), Error = Self::Error> + Send> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 297 -     fn del<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = (), Error = Self::Error> + Send> {
[INFO] [stdout] 297 +     fn del<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = (), Error = Self::Error> + Send> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:305:51
[INFO] [stdout]     |
[INFO] [stdout] 305 |     fn mkd<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = (), Error = Self::Error> + Send> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 305 -     fn mkd<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = (), Error = Self::Error> + Send> {
[INFO] [stdout] 305 +     fn mkd<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = (), Error = Self::Error> + Send> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:108:25
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let stream: Box<Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> = self.list(path);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 108 -         let stream: Box<Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> = self.list(path);
[INFO] [stdout] 108 +         let stream: Box<dyn Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> = self.list(path);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:138:25
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let stream: Box<Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> = self.list(path);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 138 -         let stream: Box<Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> = self.list(path);
[INFO] [stdout] 138 +         let stream: Box<dyn Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> = self.list(path);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/server.rs:845:33
[INFO] [stdout]     |
[INFO] [stdout] 845 | ...                   let mut session = session.lock()?;
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/server.rs:875:33
[INFO] [stdout]     |
[INFO] [stdout] 875 | ...                   let mut session = session.lock()?;
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling pretty_assertions v0.5.1
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling pretty_env_logger v0.2.5
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling ftp v3.0.1
[INFO] [stderr]    Compiling firetrap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `firetrap::auth::pam`
[INFO] [stdout]  --> examples/pam.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use firetrap::auth::pam;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^ no `pam` in `auth`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `firetrap` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[macro_use] extern crate failure_derive;
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/storage.rs:523:30
[INFO] [stdout]     |
[INFO] [stdout] 523 |         struct MockMetadata{};
[INFO] [stdout]     |                              ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/server.rs:453:18
[INFO] [stdout]     |
[INFO] [stdout] 453 |     storage: Box<(Fn() -> S) + Send>,
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 453 -     storage: Box<(Fn() -> S) + Send>,
[INFO] [stdout] 453 +     storage: Box<dyn (Fn() -> S) + Send>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/server.rs:455:30
[INFO] [stdout]     |
[INFO] [stdout] 455 |     authenticator: &'static (Authenticator + Send + Sync),
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 455 -     authenticator: &'static (Authenticator + Send + Sync),
[INFO] [stdout] 455 +     authenticator: &'static (dyn Authenticator + Send + Sync),
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/server.rs:177:32
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]     |                                ^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 177 -     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout] 177 +     fn cause(&self) -> Option<&dyn Fail> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/server.rs:493:23
[INFO] [stdout]     |
[INFO] [stdout] 493 |     pub fn new(s: Box<Fn() -> S + Send>) -> Self {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 493 -     pub fn new(s: Box<Fn() -> S + Send>) -> Self {
[INFO] [stdout] 493 +     pub fn new(s: Box<dyn Fn() -> S + Send>) -> Self {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/commands.rs:426:32
[INFO] [stdout]     |
[INFO] [stdout] 426 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]     |                                ^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 426 -     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout] 426 +     fn cause(&self) -> Option<&dyn Fail> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/storage.rs:94:52
[INFO] [stdout]    |
[INFO] [stdout] 94 |     fn stat<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = Self::Metadata, Error = Self::Error> + Send>;
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 94 -     fn stat<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = Self::Metadata, Error = Self::Error> + Send>;
[INFO] [stdout] 94 +     fn stat<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = Self::Metadata, Error = Self::Error> + Send>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/storage.rs:97:52
[INFO] [stdout]    |
[INFO] [stdout] 97 | ...&self, path: P) -> Box<Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> where <Self as Storage...
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 97 -     fn list<P: AsRef<Path>>(&self, path: P) -> Box<Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> where <Self as StorageBackend>::Metadata: Metadata;
[INFO] [stdout] 97 +     fn list<P: AsRef<Path>>(&self, path: P) -> Box<dyn Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> where <Self as StorageBackend>::Metadata: Metadata;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:101:56
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn list_fmt<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = std::io::Cursor<Vec<u8>>, Error = std::io::Error> + Send>
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 101 -     fn list_fmt<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = std::io::Cursor<Vec<u8>>, Error = std::io::Error> + Send>
[INFO] [stdout] 101 +     fn list_fmt<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = std::io::Cursor<Vec<u8>>, Error = std::io::Error> + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:132:52
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn nlst<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = std::io::Cursor<Vec<u8>>, Error = std::io::Error> + Send>
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 132 -     fn nlst<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = std::io::Cursor<Vec<u8>>, Error = std::io::Error> + Send>
[INFO] [stdout] 132 +     fn nlst<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = std::io::Cursor<Vec<u8>>, Error = std::io::Error> + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:164:51
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn get<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = Self::File, Error = Self::Error> + Send>;
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 164 -     fn get<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = Self::File, Error = Self::Error> + Send>;
[INFO] [stdout] 164 +     fn get<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = Self::File, Error = Self::Error> + Send>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:168:114
[INFO] [stdout]     |
[INFO] [stdout] 168 | ...+ 'static>(&self, bytes: R, path: P) -> Box<Future<Item = u64, Error = Self::Error> + Send>;
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 168 -     fn put<P: AsRef<Path>, R: self::tokio::prelude::AsyncRead + Send + 'static>(&self, bytes: R, path: P) -> Box<Future<Item = u64, Error = Self::Error> + Send>;
[INFO] [stdout] 168 +     fn put<P: AsRef<Path>, R: self::tokio::prelude::AsyncRead + Send + 'static>(&self, bytes: R, path: P) -> Box<dyn Future<Item = u64, Error = Self::Error> + Send>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:171:51
[INFO] [stdout]     |
[INFO] [stdout] 171 |     fn del<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = (), Error = Self::Error> + Send>;
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 171 -     fn del<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = (), Error = Self::Error> + Send>;
[INFO] [stdout] 171 +     fn del<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = (), Error = Self::Error> + Send>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:174:51
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn mkd<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = (), Error = Self::Error> + Send>;
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 174 -     fn mkd<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = (), Error = Self::Error> + Send>;
[INFO] [stdout] 174 +     fn mkd<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = (), Error = Self::Error> + Send>;
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:234:52
[INFO] [stdout]     |
[INFO] [stdout] 234 |     fn stat<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = Self::Metadata, Error = Self::Error> + Send> {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 234 -     fn stat<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = Self::Metadata, Error = Self::Error> + Send> {
[INFO] [stdout] 234 +     fn stat<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = Self::Metadata, Error = Self::Error> + Send> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:243:52
[INFO] [stdout]     |
[INFO] [stdout] 243 |     fn list<P: AsRef<Path>>(&self, path: P) -> Box<Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send>
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 243 -     fn list<P: AsRef<Path>>(&self, path: P) -> Box<Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send>
[INFO] [stdout] 243 +     fn list<P: AsRef<Path>>(&self, path: P) -> Box<dyn Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send>
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:269:51
[INFO] [stdout]     |
[INFO] [stdout] 269 |     fn get<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = self::tokio::fs::File, Error = Self::Error> + Send> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 269 -     fn get<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = self::tokio::fs::File, Error = Self::Error> + Send> {
[INFO] [stdout] 269 +     fn get<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = self::tokio::fs::File, Error = Self::Error> + Send> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:278:114
[INFO] [stdout]     |
[INFO] [stdout] 278 | ...+ 'static>(&self, bytes: R, path: P) -> Box<Future<Item = u64, Error = Self::Error> + Send> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 278 -     fn put<P: AsRef<Path>, R: self::tokio::prelude::AsyncRead + Send + 'static>(&self, bytes: R, path: P) -> Box<Future<Item = u64, Error = Self::Error> + Send> {
[INFO] [stdout] 278 +     fn put<P: AsRef<Path>, R: self::tokio::prelude::AsyncRead + Send + 'static>(&self, bytes: R, path: P) -> Box<dyn Future<Item = u64, Error = Self::Error> + Send> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:297:51
[INFO] [stdout]     |
[INFO] [stdout] 297 |     fn del<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = (), Error = Self::Error> + Send> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 297 -     fn del<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = (), Error = Self::Error> + Send> {
[INFO] [stdout] 297 +     fn del<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = (), Error = Self::Error> + Send> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:305:51
[INFO] [stdout]     |
[INFO] [stdout] 305 |     fn mkd<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = (), Error = Self::Error> + Send> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 305 -     fn mkd<P: AsRef<Path>>(&self, path: P) -> Box<Future<Item = (), Error = Self::Error> + Send> {
[INFO] [stdout] 305 +     fn mkd<P: AsRef<Path>>(&self, path: P) -> Box<dyn Future<Item = (), Error = Self::Error> + Send> {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:108:25
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let stream: Box<Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> = self.list(path);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 108 -         let stream: Box<Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> = self.list(path);
[INFO] [stdout] 108 +         let stream: Box<dyn Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> = self.list(path);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:138:25
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let stream: Box<Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> = self.list(path);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 138 -         let stream: Box<Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> = self.list(path);
[INFO] [stdout] 138 +         let stream: Box<dyn Stream<Item = Fileinfo<std::path::PathBuf, Self::Metadata>, Error = Self::Error> + Send> = self.list(path);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/storage.rs:489:17
[INFO] [stdout]     |
[INFO] [stdout] 489 |                 self::tokio::prelude::AsyncRead::read_to_end(&mut my_file, &mut my_content).unwrap();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 489 |                 <dyn self::tokio::prelude::AsyncRead>::read_to_end(&mut my_file, &mut my_content).unwrap();
[INFO] [stdout]     |                 ++++                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/server.rs:845:33
[INFO] [stdout]     |
[INFO] [stdout] 845 | ...                   let mut session = session.lock()?;
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/server.rs:875:33
[INFO] [stdout]     |
[INFO] [stdout] 875 | ...                   let mut session = session.lock()?;
[INFO] [stdout]     |                           ----^^^^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "846f4a20ac2ead45bb3c24f323f6cbeab511ca5c368391276b8b4b1ad9a4309f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "846f4a20ac2ead45bb3c24f323f6cbeab511ca5c368391276b8b4b1ad9a4309f", kill_on_drop: false }`
[INFO] [stdout] 846f4a20ac2ead45bb3c24f323f6cbeab511ca5c368391276b8b4b1ad9a4309f