[INFO] cloning repository https://github.com/sticnarf/donkey-fs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sticnarf/donkey-fs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsticnarf%2Fdonkey-fs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsticnarf%2Fdonkey-fs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5990c653bfa8fdc027747381edc57f36e7c24fb
[INFO] testing sticnarf/donkey-fs against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsticnarf%2Fdonkey-fs" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sticnarf/donkey-fs on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sticnarf/donkey-fs
[INFO] finished tweaking git repo https://github.com/sticnarf/donkey-fs
[INFO] tweaked toml for git repo https://github.com/sticnarf/donkey-fs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/sticnarf/donkey-fs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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 im v11.0.1
[INFO] [stderr]   Downloaded syn v0.15.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1300004280f0afdfacd66b2c80d616f9801d8aa5b3e326ee2232df90a72ca354
[INFO] running `Command { std: "docker" "start" "-a" "1300004280f0afdfacd66b2c80d616f9801d8aa5b3e326ee2232df90a72ca354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1300004280f0afdfacd66b2c80d616f9801d8aa5b3e326ee2232df90a72ca354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1300004280f0afdfacd66b2c80d616f9801d8aa5b3e326ee2232df90a72ca354", kill_on_drop: false }`
[INFO] [stdout] 1300004280f0afdfacd66b2c80d616f9801d8aa5b3e326ee2232df90a72ca354
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc8d013d018e7725faa562c826d10b69a2c2c4e6b072e394e508cf1b88283762
[INFO] running `Command { std: "docker" "start" "-a" "cc8d013d018e7725faa562c826d10b69a2c2c4e6b072e394e508cf1b88283762", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling im v11.0.1
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling syn v0.15.15
[INFO] [stderr]    Compiling slog-term v2.4.0
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling dkfs v0.1.2 (/opt/rustwide/workdir/dkfs)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/lib.rs:102:30
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub fn open<'a>(mut dev: Box<Device + 'a>) -> DkResult<Handle<'a>> {
[INFO] [stdout]     |                              ^^^^^^^^^^^ help: use `dyn`: `dyn Device + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/lib.rs:107:32
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub fn format<'a>(mut dev: Box<Device + 'a>, opts: FormatOptions) -> DkResult<Handle<'a>> {
[INFO] [stdout]     |                                ^^^^^^^^^^^ help: use `dyn`: `dyn Device + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/lib.rs:149:14
[INFO] [stdout]     |
[INFO] [stdout] 149 |     dev: Box<Device + 'a>,
[INFO] [stdout]     |              ^^^^^^^^^^^ help: use `dyn`: `dyn Device + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/lib.rs:158:21
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn new(dev: Box<Device + 'a>, sb: SuperBlock) -> Donkey<'a> {
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: use `dyn`: `dyn Device + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/lib.rs:206:46
[INFO] [stdout]     |
[INFO] [stdout] 206 |     fn write(&mut self, ptr: u64, writable: &Writable) -> DkResult<()> {
[INFO] [stdout]     |                                              ^^^^^^^^ help: use `dyn`: `dyn Writable`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> dkfs/src/block.rs:21:47
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn as_bytes<'a>(&'a self) -> DkResult<Box<Deref<Target = [u8]> + 'a>>;
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> dkfs/src/block.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Writable for Box<Writable> {
[INFO] [stdout]    |                       ^^^^^^^^ help: use `dyn`: `dyn Writable`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> dkfs/src/block.rs:25:47
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn as_bytes<'a>(&'a self) -> DkResult<Box<Deref<Target = [u8]> + 'a>> {
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/block.rs:179:48
[INFO] [stdout]     |
[INFO] [stdout] 179 |             fn as_bytes(&self) -> DkResult<Box<Deref<Target = [u8]>>> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]>`
[INFO] [stdout] ...
[INFO] [stdout] 186 | impl_block!(SuperBlock; validation: sbv);
[INFO] [stdout]     | ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/block.rs:179:48
[INFO] [stdout]     |
[INFO] [stdout] 179 |             fn as_bytes(&self) -> DkResult<Box<Deref<Target = [u8]>>> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]>`
[INFO] [stdout] ...
[INFO] [stdout] 187 | impl_block!(FreeList);
[INFO] [stdout]     | ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/block.rs:179:48
[INFO] [stdout]     |
[INFO] [stdout] 179 |             fn as_bytes(&self) -> DkResult<Box<Deref<Target = [u8]>>> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]>`
[INFO] [stdout] ...
[INFO] [stdout] 188 | impl_block!(Inode; validation: inv);
[INFO] [stdout]     | ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/block.rs:201:47
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn as_bytes<'a>(&'a self) -> DkResult<Box<Deref<Target = [u8]> + 'a>> {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/block.rs:220:47
[INFO] [stdout]     |
[INFO] [stdout] 220 |     fn as_bytes<'a>(&'a self) -> DkResult<Box<Deref<Target = [u8]> + 'a>> {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/block.rs:228:47
[INFO] [stdout]     |
[INFO] [stdout] 228 |     fn as_bytes<'a>(&'a self) -> DkResult<Box<Deref<Target = [u8]> + 'a>> {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> dkfs/src/device.rs:52:39
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn write_at(&mut self, writable: &Writable, ptr: u64) -> DkResult<()> {
[INFO] [stdout]    |                                       ^^^^^^^^ help: use `dyn`: `dyn Writable`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mtdk v0.1.2 (/opt/rustwide/workdir/mtdk)
[INFO] [stderr]    Compiling mkdk v0.1.2 (/opt/rustwide/workdir/mkdk)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> mkdk/src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.67s
[INFO] running `Command { std: "docker" "inspect" "cc8d013d018e7725faa562c826d10b69a2c2c4e6b072e394e508cf1b88283762", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc8d013d018e7725faa562c826d10b69a2c2c4e6b072e394e508cf1b88283762", kill_on_drop: false }`
[INFO] [stdout] cc8d013d018e7725faa562c826d10b69a2c2c4e6b072e394e508cf1b88283762
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c34937fa0d7180b88b992483c6c397c956ac839bf9724f037ffb6a40ce18ba89
[INFO] running `Command { std: "docker" "start" "-a" "c34937fa0d7180b88b992483c6c397c956ac839bf9724f037ffb6a40ce18ba89", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling mtdk v0.1.2 (/opt/rustwide/workdir/mtdk)
[INFO] [stderr]    Compiling mkdk v0.1.2 (/opt/rustwide/workdir/mkdk)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/lib.rs:102:30
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub fn open<'a>(mut dev: Box<Device + 'a>) -> DkResult<Handle<'a>> {
[INFO] [stdout]     |                              ^^^^^^^^^^^ help: use `dyn`: `dyn Device + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/lib.rs:107:32
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub fn format<'a>(mut dev: Box<Device + 'a>, opts: FormatOptions) -> DkResult<Handle<'a>> {
[INFO] [stdout]     |                                ^^^^^^^^^^^ help: use `dyn`: `dyn Device + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/lib.rs:149:14
[INFO] [stdout]     |
[INFO] [stdout] 149 |     dev: Box<Device + 'a>,
[INFO] [stdout]     |              ^^^^^^^^^^^ help: use `dyn`: `dyn Device + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/lib.rs:158:21
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn new(dev: Box<Device + 'a>, sb: SuperBlock) -> Donkey<'a> {
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: use `dyn`: `dyn Device + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/lib.rs:206:46
[INFO] [stdout]     |
[INFO] [stdout] 206 |     fn write(&mut self, ptr: u64, writable: &Writable) -> DkResult<()> {
[INFO] [stdout]     |                                              ^^^^^^^^ help: use `dyn`: `dyn Writable`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> dkfs/src/block.rs:21:47
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn as_bytes<'a>(&'a self) -> DkResult<Box<Deref<Target = [u8]> + 'a>>;
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> dkfs/src/block.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Writable for Box<Writable> {
[INFO] [stdout]    |                       ^^^^^^^^ help: use `dyn`: `dyn Writable`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> dkfs/src/block.rs:25:47
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn as_bytes<'a>(&'a self) -> DkResult<Box<Deref<Target = [u8]> + 'a>> {
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/block.rs:179:48
[INFO] [stdout]     |
[INFO] [stdout] 179 |             fn as_bytes(&self) -> DkResult<Box<Deref<Target = [u8]>>> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]>`
[INFO] [stdout] ...
[INFO] [stdout] 186 | impl_block!(SuperBlock; validation: sbv);
[INFO] [stdout]     | ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/block.rs:179:48
[INFO] [stdout]     |
[INFO] [stdout] 179 |             fn as_bytes(&self) -> DkResult<Box<Deref<Target = [u8]>>> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]>`
[INFO] [stdout] ...
[INFO] [stdout] 187 | impl_block!(FreeList);
[INFO] [stdout]     | ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/block.rs:179:48
[INFO] [stdout]     |
[INFO] [stdout] 179 |             fn as_bytes(&self) -> DkResult<Box<Deref<Target = [u8]>>> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]>`
[INFO] [stdout] ...
[INFO] [stdout] 188 | impl_block!(Inode; validation: inv);
[INFO] [stdout]     | ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/block.rs:201:47
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn as_bytes<'a>(&'a self) -> DkResult<Box<Deref<Target = [u8]> + 'a>> {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/block.rs:220:47
[INFO] [stdout]     |
[INFO] [stdout] 220 |     fn as_bytes<'a>(&'a self) -> DkResult<Box<Deref<Target = [u8]> + 'a>> {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/block.rs:228:47
[INFO] [stdout]     |
[INFO] [stdout] 228 |     fn as_bytes<'a>(&'a self) -> DkResult<Box<Deref<Target = [u8]> + 'a>> {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> dkfs/src/device.rs:52:39
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn write_at(&mut self, writable: &Writable, ptr: u64) -> DkResult<()> {
[INFO] [stdout]    |                                       ^^^^^^^^ help: use `dyn`: `dyn Writable`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> mkdk/src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling dkfs v0.1.2 (/opt/rustwide/workdir/dkfs)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> dkfs/tests/integration_test.rs:493:20
[INFO] [stdout]     |
[INFO] [stdout] 493 |         .collect();;
[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]    --> dkfs/src/lib.rs:102:30
[INFO] [stdout]     |
[INFO] [stdout] 102 | pub fn open<'a>(mut dev: Box<Device + 'a>) -> DkResult<Handle<'a>> {
[INFO] [stdout]     |                              ^^^^^^^^^^^ help: use `dyn`: `dyn Device + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/lib.rs:107:32
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub fn format<'a>(mut dev: Box<Device + 'a>, opts: FormatOptions) -> DkResult<Handle<'a>> {
[INFO] [stdout]     |                                ^^^^^^^^^^^ help: use `dyn`: `dyn Device + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/lib.rs:149:14
[INFO] [stdout]     |
[INFO] [stdout] 149 |     dev: Box<Device + 'a>,
[INFO] [stdout]     |              ^^^^^^^^^^^ help: use `dyn`: `dyn Device + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/lib.rs:158:21
[INFO] [stdout]     |
[INFO] [stdout] 158 |     fn new(dev: Box<Device + 'a>, sb: SuperBlock) -> Donkey<'a> {
[INFO] [stdout]     |                     ^^^^^^^^^^^ help: use `dyn`: `dyn Device + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/lib.rs:206:46
[INFO] [stdout]     |
[INFO] [stdout] 206 |     fn write(&mut self, ptr: u64, writable: &Writable) -> DkResult<()> {
[INFO] [stdout]     |                                              ^^^^^^^^ help: use `dyn`: `dyn Writable`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> dkfs/src/block.rs:21:47
[INFO] [stdout]    |
[INFO] [stdout] 21 |     fn as_bytes<'a>(&'a self) -> DkResult<Box<Deref<Target = [u8]> + 'a>>;
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> dkfs/src/block.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Writable for Box<Writable> {
[INFO] [stdout]    |                       ^^^^^^^^ help: use `dyn`: `dyn Writable`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> dkfs/src/block.rs:25:47
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn as_bytes<'a>(&'a self) -> DkResult<Box<Deref<Target = [u8]> + 'a>> {
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]> + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/block.rs:179:48
[INFO] [stdout]     |
[INFO] [stdout] 179 |             fn as_bytes(&self) -> DkResult<Box<Deref<Target = [u8]>>> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]>`
[INFO] [stdout] ...
[INFO] [stdout] 186 | impl_block!(SuperBlock; validation: sbv);
[INFO] [stdout]     | ----------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/block.rs:179:48
[INFO] [stdout]     |
[INFO] [stdout] 179 |             fn as_bytes(&self) -> DkResult<Box<Deref<Target = [u8]>>> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]>`
[INFO] [stdout] ...
[INFO] [stdout] 187 | impl_block!(FreeList);
[INFO] [stdout]     | ---------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/block.rs:179:48
[INFO] [stdout]     |
[INFO] [stdout] 179 |             fn as_bytes(&self) -> DkResult<Box<Deref<Target = [u8]>>> {
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]>`
[INFO] [stdout] ...
[INFO] [stdout] 188 | impl_block!(Inode; validation: inv);
[INFO] [stdout]     | ------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout]     = note: this warning originates in the macro `impl_block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/block.rs:201:47
[INFO] [stdout]     |
[INFO] [stdout] 201 |     fn as_bytes<'a>(&'a self) -> DkResult<Box<Deref<Target = [u8]> + 'a>> {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/block.rs:220:47
[INFO] [stdout]     |
[INFO] [stdout] 220 |     fn as_bytes<'a>(&'a self) -> DkResult<Box<Deref<Target = [u8]> + 'a>> {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> dkfs/src/block.rs:228:47
[INFO] [stdout]     |
[INFO] [stdout] 228 |     fn as_bytes<'a>(&'a self) -> DkResult<Box<Deref<Target = [u8]> + 'a>> {
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]> + 'a`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> dkfs/src/device.rs:52:39
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn write_at(&mut self, writable: &Writable, ptr: u64) -> DkResult<()> {
[INFO] [stdout]    |                                       ^^^^^^^^ help: use `dyn`: `dyn Writable`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.16s
[INFO] running `Command { std: "docker" "inspect" "c34937fa0d7180b88b992483c6c397c956ac839bf9724f037ffb6a40ce18ba89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c34937fa0d7180b88b992483c6c397c956ac839bf9724f037ffb6a40ce18ba89", kill_on_drop: false }`
[INFO] [stdout] c34937fa0d7180b88b992483c6c397c956ac839bf9724f037ffb6a40ce18ba89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1c00e1cd046fb08654fa82a267b7a1aa8917c6a50a875e440d39b4e70554391c
[INFO] running `Command { std: "docker" "start" "-a" "1c00e1cd046fb08654fa82a267b7a1aa8917c6a50a875e440d39b4e70554391c", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> dkfs/src/lib.rs:102:30
[INFO] [stderr]     |
[INFO] [stderr] 102 | pub fn open<'a>(mut dev: Box<Device + 'a>) -> DkResult<Handle<'a>> {
[INFO] [stderr]     |                              ^^^^^^^^^^^ help: use `dyn`: `dyn Device + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> dkfs/src/lib.rs:107:32
[INFO] [stderr]     |
[INFO] [stderr] 107 | pub fn format<'a>(mut dev: Box<Device + 'a>, opts: FormatOptions) -> DkResult<Handle<'a>> {
[INFO] [stderr]     |                                ^^^^^^^^^^^ help: use `dyn`: `dyn Device + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> dkfs/src/lib.rs:149:14
[INFO] [stderr]     |
[INFO] [stderr] 149 |     dev: Box<Device + 'a>,
[INFO] [stderr]     |              ^^^^^^^^^^^ help: use `dyn`: `dyn Device + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> dkfs/src/lib.rs:158:21
[INFO] [stderr]     |
[INFO] [stderr] 158 |     fn new(dev: Box<Device + 'a>, sb: SuperBlock) -> Donkey<'a> {
[INFO] [stderr]     |                     ^^^^^^^^^^^ help: use `dyn`: `dyn Device + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> dkfs/src/lib.rs:206:46
[INFO] [stderr]     |
[INFO] [stderr] 206 |     fn write(&mut self, ptr: u64, writable: &Writable) -> DkResult<()> {
[INFO] [stderr]     |                                              ^^^^^^^^ help: use `dyn`: `dyn Writable`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> dkfs/src/block.rs:21:47
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn as_bytes<'a>(&'a self) -> DkResult<Box<Deref<Target = [u8]> + 'a>>;
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> dkfs/src/block.rs:24:23
[INFO] [stderr]    |
[INFO] [stderr] 24 | impl Writable for Box<Writable> {
[INFO] [stderr]    |                       ^^^^^^^^ help: use `dyn`: `dyn Writable`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> dkfs/src/block.rs:25:47
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn as_bytes<'a>(&'a self) -> DkResult<Box<Deref<Target = [u8]> + 'a>> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> dkfs/src/block.rs:179:48
[INFO] [stderr]     |
[INFO] [stderr] 179 |             fn as_bytes(&self) -> DkResult<Box<Deref<Target = [u8]>>> {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]>`
[INFO] [stderr] ...
[INFO] [stderr] 186 | impl_block!(SuperBlock; validation: sbv);
[INFO] [stderr]     | ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `impl_block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> dkfs/src/block.rs:179:48
[INFO] [stderr]     |
[INFO] [stderr] 179 |             fn as_bytes(&self) -> DkResult<Box<Deref<Target = [u8]>>> {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]>`
[INFO] [stderr] ...
[INFO] [stderr] 187 | impl_block!(FreeList);
[INFO] [stderr]     | ---------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `impl_block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> dkfs/src/block.rs:179:48
[INFO] [stderr]     |
[INFO] [stderr] 179 |             fn as_bytes(&self) -> DkResult<Box<Deref<Target = [u8]>>> {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]>`
[INFO] [stderr] ...
[INFO] [stderr] 188 | impl_block!(Inode; validation: inv);
[INFO] [stderr]     | ------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `impl_block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> dkfs/src/block.rs:201:47
[INFO] [stderr]     |
[INFO] [stderr] 201 |     fn as_bytes<'a>(&'a self) -> DkResult<Box<Deref<Target = [u8]> + 'a>> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> dkfs/src/block.rs:220:47
[INFO] [stderr]     |
[INFO] [stderr] 220 |     fn as_bytes<'a>(&'a self) -> DkResult<Box<Deref<Target = [u8]> + 'a>> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> dkfs/src/block.rs:228:47
[INFO] [stderr]     |
[INFO] [stderr] 228 |     fn as_bytes<'a>(&'a self) -> DkResult<Box<Deref<Target = [u8]> + 'a>> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> dkfs/src/device.rs:52:39
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn write_at(&mut self, writable: &Writable, ptr: u64) -> DkResult<()> {
[INFO] [stderr]    |                                       ^^^^^^^^ help: use `dyn`: `dyn Writable`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> dkfs/src/lib.rs:102:30
[INFO] [stderr]     |
[INFO] [stderr] 102 | pub fn open<'a>(mut dev: Box<Device + 'a>) -> DkResult<Handle<'a>> {
[INFO] [stderr]     |                              ^^^^^^^^^^^ help: use `dyn`: `dyn Device + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> dkfs/src/lib.rs:107:32
[INFO] [stderr]     |
[INFO] [stderr] 107 | pub fn format<'a>(mut dev: Box<Device + 'a>, opts: FormatOptions) -> DkResult<Handle<'a>> {
[INFO] [stderr]     |                                ^^^^^^^^^^^ help: use `dyn`: `dyn Device + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> dkfs/src/lib.rs:149:14
[INFO] [stderr]     |
[INFO] [stderr] 149 |     dev: Box<Device + 'a>,
[INFO] [stderr]     |              ^^^^^^^^^^^ help: use `dyn`: `dyn Device + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> dkfs/src/lib.rs:158:21
[INFO] [stderr]     |
[INFO] [stderr] 158 |     fn new(dev: Box<Device + 'a>, sb: SuperBlock) -> Donkey<'a> {
[INFO] [stderr]     |                     ^^^^^^^^^^^ help: use `dyn`: `dyn Device + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> dkfs/src/lib.rs:206:46
[INFO] [stderr]     |
[INFO] [stderr] 206 |     fn write(&mut self, ptr: u64, writable: &Writable) -> DkResult<()> {
[INFO] [stderr]     |                                              ^^^^^^^^ help: use `dyn`: `dyn Writable`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> dkfs/src/block.rs:21:47
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn as_bytes<'a>(&'a self) -> DkResult<Box<Deref<Target = [u8]> + 'a>>;
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> dkfs/src/block.rs:24:23
[INFO] [stderr]    |
[INFO] [stderr] 24 | impl Writable for Box<Writable> {
[INFO] [stderr]    |                       ^^^^^^^^ help: use `dyn`: `dyn Writable`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> dkfs/src/block.rs:25:47
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn as_bytes<'a>(&'a self) -> DkResult<Box<Deref<Target = [u8]> + 'a>> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> dkfs/src/block.rs:179:48
[INFO] [stderr]     |
[INFO] [stderr] 179 |             fn as_bytes(&self) -> DkResult<Box<Deref<Target = [u8]>>> {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]>`
[INFO] [stderr] ...
[INFO] [stderr] 186 | impl_block!(SuperBlock; validation: sbv);
[INFO] [stderr]     | ----------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `impl_block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> dkfs/src/block.rs:179:48
[INFO] [stderr]     |
[INFO] [stderr] 179 |             fn as_bytes(&self) -> DkResult<Box<Deref<Target = [u8]>>> {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]>`
[INFO] [stderr] ...
[INFO] [stderr] 187 | impl_block!(FreeList);
[INFO] [stderr]     | ---------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `impl_block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> dkfs/src/block.rs:179:48
[INFO] [stderr]     |
[INFO] [stderr] 179 |             fn as_bytes(&self) -> DkResult<Box<Deref<Target = [u8]>>> {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]>`
[INFO] [stderr] ...
[INFO] [stderr] 188 | impl_block!(Inode; validation: inv);
[INFO] [stderr]     | ------------------------------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr]     = note: this warning originates in the macro `impl_block` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> dkfs/src/block.rs:201:47
[INFO] [stderr]     |
[INFO] [stderr] 201 |     fn as_bytes<'a>(&'a self) -> DkResult<Box<Deref<Target = [u8]> + 'a>> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> dkfs/src/block.rs:220:47
[INFO] [stderr]     |
[INFO] [stderr] 220 |     fn as_bytes<'a>(&'a self) -> DkResult<Box<Deref<Target = [u8]> + 'a>> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> dkfs/src/block.rs:228:47
[INFO] [stderr]     |
[INFO] [stderr] 228 |     fn as_bytes<'a>(&'a self) -> DkResult<Box<Deref<Target = [u8]> + 'a>> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Deref<Target = [u8]> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> dkfs/src/device.rs:52:39
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn write_at(&mut self, writable: &Writable, ptr: u64) -> DkResult<()> {
[INFO] [stderr]    |                                       ^^^^^^^^ help: use `dyn`: `dyn Writable`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 15 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stdout] running 2 tests
[INFO] [stderr]    --> dkfs/tests/integration_test.rs:493:20
[INFO] [stderr]     |
[INFO] [stderr] 493 |         .collect();;
[INFO] [stderr]     |                    ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> mkdk/src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dkfs-49c458239b4d8f40)
[INFO] [stdout] test tests::restore_error ... ok
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-eaceb52e60fa708e)
[INFO] [stdout] test block::tests::serde_ptr_block ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test statfs ... ok
[INFO] [stdout] test set_fh_attrs_except_size ... ok
[INFO] [stdout] test unlink ... ok
[INFO] [stdout] test symlink ... ok
[INFO] [stdout] test rename ... ok
[INFO] [stdout] test set_attrs_except_size ... ok
[INFO] [stdout] test traverse_dir ... ok
[INFO] [stdout] test rmdir ... ok
[INFO] [stdout] test mknod_in_root ... ok
[INFO] [stdout] test mknod_in_newdir ... ok
[INFO] [stdout] test xattrs ... ok
[INFO] [stdout] test get_root_attr ... ok
[INFO] [stdout] test shrink_size ... ok
[INFO] [stdout] test read_write ... ok
[INFO] [stdout] test exhaust_inodes ... ok
[INFO] [stdout] test traverse_big_dir ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 27.93s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mkdk-5ab4c4a367d239f6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mtdk-6f1c4939a12cb934)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dkfs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1c00e1cd046fb08654fa82a267b7a1aa8917c6a50a875e440d39b4e70554391c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c00e1cd046fb08654fa82a267b7a1aa8917c6a50a875e440d39b4e70554391c", kill_on_drop: false }`
[INFO] [stdout] 1c00e1cd046fb08654fa82a267b7a1aa8917c6a50a875e440d39b4e70554391c