[INFO] fetching crate cbm 0.1.0...
[INFO] checking cbm-0.1.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate cbm 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cbm 0.1.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cbm 0.1.0
[INFO] finished tweaking crates.io crate cbm 0.1.0
[INFO] tweaked toml for crates.io crate cbm 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c97f0a88acf0ecfb4be3bf19fcad96677bd20021fe69bdddb44d1d52c6b702c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3c97f0a88acf0ecfb4be3bf19fcad96677bd20021fe69bdddb44d1d52c6b702c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c97f0a88acf0ecfb4be3bf19fcad96677bd20021fe69bdddb44d1d52c6b702c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c97f0a88acf0ecfb4be3bf19fcad96677bd20021fe69bdddb44d1d52c6b702c", kill_on_drop: false }`
[INFO] [stdout] 3c97f0a88acf0ecfb4be3bf19fcad96677bd20021fe69bdddb44d1d52c6b702c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f11a34af8a115380cf9c373059cdacdc35bfdb7bebe71e3a210e6cb4fec6047
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5f11a34af8a115380cf9c373059cdacdc35bfdb7bebe71e3a210e6cb4fec6047", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]     Checking cbm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0659]: `FilenameTooLong` is ambiguous (glob import vs glob import in the same module)
[INFO] [stdout]    --> src/disk/error.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |             FilenameTooLong => io::Error::new(InvalidInput, self),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout] note: `FilenameTooLong` could refer to the unit variant imported here
[INFO] [stdout]    --> src/disk/error.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         use std::io::ErrorKind::*;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `FilenameTooLong` to disambiguate
[INFO] [stdout] note: `FilenameTooLong` could also refer to the unit variant imported here
[INFO] [stdout]    --> src/disk/error.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         use self::DiskError::*;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `FilenameTooLong` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0659]: `FilenameTooLong` is ambiguous (glob import vs glob import in the same module)
[INFO] [stdout]    --> src/disk/error.rs:133:13
[INFO] [stdout]     |
[INFO] [stdout] 133 |             FilenameTooLong => io::Error::new(InvalidInput, self),
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ ambiguous name
[INFO] [stdout]     |
[INFO] [stdout] note: `FilenameTooLong` could refer to the unit variant imported here
[INFO] [stdout]    --> src/disk/error.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         use std::io::ErrorKind::*;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `FilenameTooLong` to disambiguate
[INFO] [stdout] note: `FilenameTooLong` could also refer to the unit variant imported here
[INFO] [stdout]    --> src/disk/error.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         use self::DiskError::*;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = help: consider adding an explicit import of `FilenameTooLong` to disambiguate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/disk/block.rs:14:38
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type BlockDeviceRef = Rc<RefCell<BlockDevice>>;
[INFO] [stdout]    |                                      ^^^^^^^^^^^ help: use `dyn`: `dyn BlockDevice`
[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 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]   --> src/disk/block.rs:34:53
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn positioned_read(&self, positioned_data: &mut PositionedData) -> io::Result<()> {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn PositionedData`
[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 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]   --> src/disk/block.rs:43:54
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn positioned_write(&mut self, positioned_data: &PositionedData) -> io::Result<()> {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^ help: use `dyn`: `dyn PositionedData`
[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 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]   --> src/disk/block.rs:52:33
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn dump(&self, writer: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see 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]    --> src/disk/d64.rs:238:50
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn blocks_ref(&self) -> ::std::cell::Ref<'_, BlockDevice> {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^ help: use `dyn`: `dyn BlockDevice`
[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 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]    --> src/disk/d64.rs:242:57
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn blocks_ref_mut(&self) -> ::std::cell::RefMut<'_, BlockDevice> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^ help: use `dyn`: `dyn BlockDevice`
[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 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]    --> src/disk/d71.rs:259:50
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn blocks_ref(&self) -> ::std::cell::Ref<'_, BlockDevice> {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^ help: use `dyn`: `dyn BlockDevice`
[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 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]    --> src/disk/d71.rs:263:57
[INFO] [stdout]     |
[INFO] [stdout] 263 |     fn blocks_ref_mut(&self) -> ::std::cell::RefMut<'_, BlockDevice> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^ help: use `dyn`: `dyn BlockDevice`
[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 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]    --> src/disk/d81.rs:264:50
[INFO] [stdout]     |
[INFO] [stdout] 264 |     fn blocks_ref(&self) -> ::std::cell::Ref<'_, BlockDevice> {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^ help: use `dyn`: `dyn BlockDevice`
[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 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]    --> src/disk/d81.rs:268:57
[INFO] [stdout]     |
[INFO] [stdout] 268 |     fn blocks_ref_mut(&self) -> ::std::cell::RefMut<'_, BlockDevice> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^ help: use `dyn`: `dyn BlockDevice`
[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 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]   --> src/disk/error.rs:97:32
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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 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]    --> src/disk/directory.rs:559:35
[INFO] [stdout]     |
[INFO] [stdout] 559 | type DirectoryBlockIterator = Box<Iterator<Item = io::Result<ChainSector>>>;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = io::Result<ChainSector>>`
[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 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]   --> src/disk/block.rs:14:38
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub type BlockDeviceRef = Rc<RefCell<BlockDevice>>;
[INFO] [stdout]    |                                      ^^^^^^^^^^^ help: use `dyn`: `dyn BlockDevice`
[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 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]   --> src/disk/file.rs:96:36
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn details(&self, writer: &mut Write, verbosity: usize) -> io::Result<()>;
[INFO] [stdout]    |                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see 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]   --> src/disk/block.rs:34:53
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn positioned_read(&self, positioned_data: &mut PositionedData) -> io::Result<()> {
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn PositionedData`
[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 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]    --> src/disk/file.rs:101:40
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn reader(&self) -> io::Result<Box<Read>>;
[INFO] [stdout]     |                                        ^^^^ help: use `dyn`: `dyn Read`
[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 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]   --> src/disk/block.rs:43:54
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn positioned_write(&mut self, positioned_data: &PositionedData) -> io::Result<()> {
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^ help: use `dyn`: `dyn PositionedData`
[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 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]    --> src/disk/file.rs:104:40
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn writer(&self) -> io::Result<Box<Write>>;
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see 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]    --> src/disk/file.rs:112:33
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn dump(&self, writer: &mut Write) -> io::Result<()> {
[INFO] [stdout]     |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see 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]   --> src/disk/block.rs:52:33
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn dump(&self, writer: &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see 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]    --> src/disk/file.rs:163:40
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn get_specialized_file(&self) -> &FileOps {
[INFO] [stdout]     |                                        ^^^^^^^ help: use `dyn`: `dyn FileOps`
[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 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]    --> src/disk/file.rs:174:52
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn get_specialized_file_mut(&mut self) -> &mut FileOps {
[INFO] [stdout]     |                                                    ^^^^^^^ help: use `dyn`: `dyn FileOps`
[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 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]    --> src/disk/file.rs:202:36
[INFO] [stdout]     |
[INFO] [stdout] 202 |     fn details(&self, writer: &mut Write, verbosity: usize) -> io::Result<()> {
[INFO] [stdout]     |                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see 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]    --> src/disk/d64.rs:238:50
[INFO] [stdout]     |
[INFO] [stdout] 238 |     fn blocks_ref(&self) -> ::std::cell::Ref<'_, BlockDevice> {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^ help: use `dyn`: `dyn BlockDevice`
[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 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]    --> src/disk/file.rs:210:40
[INFO] [stdout]     |
[INFO] [stdout] 210 |     fn reader(&self) -> io::Result<Box<Read>> {
[INFO] [stdout]     |                                        ^^^^ help: use `dyn`: `dyn Read`
[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 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]    --> src/disk/d64.rs:242:57
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn blocks_ref_mut(&self) -> ::std::cell::RefMut<'_, BlockDevice> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^ help: use `dyn`: `dyn BlockDevice`
[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 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]    --> src/disk/file.rs:214:40
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn writer(&self) -> io::Result<Box<Write>> {
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see 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]    --> src/disk/d71.rs:259:50
[INFO] [stdout]     |
[INFO] [stdout] 259 |     fn blocks_ref(&self) -> ::std::cell::Ref<'_, BlockDevice> {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^ help: use `dyn`: `dyn BlockDevice`
[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 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]    --> src/disk/file.rs:270:36
[INFO] [stdout]     |
[INFO] [stdout] 270 |     fn details(&self, writer: &mut Write, verbosity: usize) -> io::Result<()> {
[INFO] [stdout]     |                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see 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]    --> src/disk/file.rs:295:40
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn reader(&self) -> io::Result<Box<Read>> {
[INFO] [stdout]     |                                        ^^^^ help: use `dyn`: `dyn Read`
[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 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]    --> src/disk/d71.rs:263:57
[INFO] [stdout]     |
[INFO] [stdout] 263 |     fn blocks_ref_mut(&self) -> ::std::cell::RefMut<'_, BlockDevice> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^ help: use `dyn`: `dyn BlockDevice`
[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 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]    --> src/disk/file.rs:302:40
[INFO] [stdout]     |
[INFO] [stdout] 302 |     fn writer(&self) -> io::Result<Box<Write>> {
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see 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]    --> src/disk/d81.rs:264:50
[INFO] [stdout]     |
[INFO] [stdout] 264 |     fn blocks_ref(&self) -> ::std::cell::Ref<'_, BlockDevice> {
[INFO] [stdout]     |                                                  ^^^^^^^^^^^ help: use `dyn`: `dyn BlockDevice`
[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 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]    --> src/disk/d81.rs:268:57
[INFO] [stdout]     |
[INFO] [stdout] 268 |     fn blocks_ref_mut(&self) -> ::std::cell::RefMut<'_, BlockDevice> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^ help: use `dyn`: `dyn BlockDevice`
[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 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]    --> src/disk/file.rs:512:36
[INFO] [stdout]     |
[INFO] [stdout] 512 |     fn details(&self, writer: &mut Write, verbosity: usize) -> io::Result<()> {
[INFO] [stdout]     |                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see 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]    --> src/disk/file.rs:540:40
[INFO] [stdout]     |
[INFO] [stdout] 540 |     fn reader(&self) -> io::Result<Box<Read>> {
[INFO] [stdout]     |                                        ^^^^ help: use `dyn`: `dyn Read`
[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 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]   --> src/disk/error.rs:97:32
[INFO] [stdout]    |
[INFO] [stdout] 97 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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 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]    --> src/disk/file.rs:544:40
[INFO] [stdout]     |
[INFO] [stdout] 544 |     fn writer(&self) -> io::Result<Box<Write>> {
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see 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]    --> src/disk/geos/file.rs:140:36
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn details(&self, writer: &mut io::Write, verbosity: usize) -> io::Result<()> {
[INFO] [stdout]     |                                    ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see 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]    --> src/disk/geos/file.rs:231:40
[INFO] [stdout]     |
[INFO] [stdout] 231 |     fn reader(&self) -> io::Result<Box<Read>> {
[INFO] [stdout]     |                                        ^^^^ help: use `dyn`: `dyn Read`
[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 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]    --> src/disk/geos/file.rs:245:40
[INFO] [stdout]     |
[INFO] [stdout] 245 |     fn writer(&self) -> io::Result<Box<io::Write>> {
[INFO] [stdout]     |                                        ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see 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]   --> src/disk/mod.rs:82:72
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub fn open<P: AsRef<Path>>(path: P, writable: bool) -> io::Result<Box<Disk>> {
[INFO] [stdout]    |                                                                        ^^^^ help: use `dyn`: `dyn Disk`
[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 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]    --> src/disk/mod.rs:142:46
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn blocks_ref(&self) -> ::std::cell::Ref<BlockDevice>;
[INFO] [stdout]     |                                              ^^^^^^^^^^^ help: use `dyn`: `dyn BlockDevice`
[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 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]    --> src/disk/mod.rs:143:57
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn blocks_ref_mut(&self) -> ::std::cell::RefMut<'_, BlockDevice>;
[INFO] [stdout]     |                                                         ^^^^^^^^^^^ help: use `dyn`: `dyn BlockDevice`
[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 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]    --> src/disk/mod.rs:407:37
[INFO] [stdout]     |
[INFO] [stdout] 407 |     fn dump(&mut self, writer: &mut Write) -> io::Result<()> {
[INFO] [stdout]     |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see 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]    --> src/disk/mod.rs:437:23
[INFO] [stdout]     |
[INFO] [stdout] 437 | impl fmt::Display for Disk {
[INFO] [stdout]     |                       ^^^^ help: use `dyn`: `dyn Disk`
[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 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]    --> src/disk/mod.rs:456:21
[INFO] [stdout]     |
[INFO] [stdout] 456 | impl fmt::Debug for Disk {
[INFO] [stdout]     |                     ^^^^ help: use `dyn`: `dyn Disk`
[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 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]    --> src/disk/mod.rs:468:31
[INFO] [stdout]     |
[INFO] [stdout] 468 | impl<'a> IntoIterator for &'a Disk {
[INFO] [stdout]     |                               ^^^^ help: use `dyn`: `dyn Disk`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         try!(write!(f, "{}{:04x}: ", prefix, 0));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/disk/directory.rs:559:35
[INFO] [stdout]     |
[INFO] [stdout] 559 | type DirectoryBlockIterator = Box<Iterator<Item = io::Result<ChainSector>>>;
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = io::Result<ChainSector>>`
[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 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]   --> src/disk/file.rs:96:36
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn details(&self, writer: &mut Write, verbosity: usize) -> io::Result<()>;
[INFO] [stdout]    |                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see 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]    --> src/disk/file.rs:101:40
[INFO] [stdout]     |
[INFO] [stdout] 101 |     fn reader(&self) -> io::Result<Box<Read>>;
[INFO] [stdout]     |                                        ^^^^ help: use `dyn`: `dyn Read`
[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 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]    --> src/disk/file.rs:104:40
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn writer(&self) -> io::Result<Box<Write>>;
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see 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]    --> src/disk/file.rs:112:33
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn dump(&self, writer: &mut Write) -> io::Result<()> {
[INFO] [stdout]     |                                 ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see 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]    --> src/disk/file.rs:163:40
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn get_specialized_file(&self) -> &FileOps {
[INFO] [stdout]     |                                        ^^^^^^^ help: use `dyn`: `dyn FileOps`
[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 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]    --> src/disk/file.rs:174:52
[INFO] [stdout]     |
[INFO] [stdout] 174 |     fn get_specialized_file_mut(&mut self) -> &mut FileOps {
[INFO] [stdout]     |                                                    ^^^^^^^ help: use `dyn`: `dyn FileOps`
[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 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]    --> src/disk/file.rs:202:36
[INFO] [stdout]     |
[INFO] [stdout] 202 |     fn details(&self, writer: &mut Write, verbosity: usize) -> io::Result<()> {
[INFO] [stdout]     |                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see 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]    --> src/disk/file.rs:210:40
[INFO] [stdout]     |
[INFO] [stdout] 210 |     fn reader(&self) -> io::Result<Box<Read>> {
[INFO] [stdout]     |                                        ^^^^ help: use `dyn`: `dyn Read`
[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 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]    --> src/disk/file.rs:214:40
[INFO] [stdout]     |
[INFO] [stdout] 214 |     fn writer(&self) -> io::Result<Box<Write>> {
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try!(write!(f, "{}{:04x}: ", prefix, offset));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util/mod.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |             try!(write!(f, "{:02x} ", b));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util/mod.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             try!(write!(f, "   "));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/disk/file.rs:270:36
[INFO] [stdout]     |
[INFO] [stdout] 270 |     fn details(&self, writer: &mut Write, verbosity: usize) -> io::Result<()> {
[INFO] [stdout]     |                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util/mod.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             try!(write!(
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util/mod.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             try!(writeln!(f, ""));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/util/mod.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 43 |                     c @ 0x20...0x7E => c as char,
[INFO] [stdout]    |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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 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]    --> src/disk/file.rs:295:40
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn reader(&self) -> io::Result<Box<Read>> {
[INFO] [stdout]     |                                        ^^^^ help: use `dyn`: `dyn Read`
[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 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]    --> src/disk/file.rs:302:40
[INFO] [stdout]     |
[INFO] [stdout] 302 |     fn writer(&self) -> io::Result<Box<Write>> {
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see 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]    --> src/disk/file.rs:512:36
[INFO] [stdout]     |
[INFO] [stdout] 512 |     fn details(&self, writer: &mut Write, verbosity: usize) -> io::Result<()> {
[INFO] [stdout]     |                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see 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]    --> src/disk/file.rs:540:40
[INFO] [stdout]     |
[INFO] [stdout] 540 |     fn reader(&self) -> io::Result<Box<Read>> {
[INFO] [stdout]     |                                        ^^^^ help: use `dyn`: `dyn Read`
[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 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]    --> src/disk/file.rs:544:40
[INFO] [stdout]     |
[INFO] [stdout] 544 |     fn writer(&self) -> io::Result<Box<Write>> {
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see 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]    --> src/disk/geos/file.rs:140:36
[INFO] [stdout]     |
[INFO] [stdout] 140 |     fn details(&self, writer: &mut io::Write, verbosity: usize) -> io::Result<()> {
[INFO] [stdout]     |                                    ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see 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]    --> src/disk/geos/file.rs:231:40
[INFO] [stdout]     |
[INFO] [stdout] 231 |     fn reader(&self) -> io::Result<Box<Read>> {
[INFO] [stdout]     |                                        ^^^^ help: use `dyn`: `dyn Read`
[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 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]    --> src/disk/geos/file.rs:245:40
[INFO] [stdout]     |
[INFO] [stdout] 245 |     fn writer(&self) -> io::Result<Box<io::Write>> {
[INFO] [stdout]     |                                        ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see 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]   --> src/disk/mod.rs:82:72
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub fn open<P: AsRef<Path>>(path: P, writable: bool) -> io::Result<Box<Disk>> {
[INFO] [stdout]    |                                                                        ^^^^ help: use `dyn`: `dyn Disk`
[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 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]    --> src/disk/mod.rs:142:46
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fn blocks_ref(&self) -> ::std::cell::Ref<BlockDevice>;
[INFO] [stdout]     |                                              ^^^^^^^^^^^ help: use `dyn`: `dyn BlockDevice`
[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 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]    --> src/disk/mod.rs:143:57
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn blocks_ref_mut(&self) -> ::std::cell::RefMut<'_, BlockDevice>;
[INFO] [stdout]     |                                                         ^^^^^^^^^^^ help: use `dyn`: `dyn BlockDevice`
[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 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]    --> src/disk/mod.rs:407:37
[INFO] [stdout]     |
[INFO] [stdout] 407 |     fn dump(&mut self, writer: &mut Write) -> io::Result<()> {
[INFO] [stdout]     |                                     ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see 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]    --> src/disk/mod.rs:437:23
[INFO] [stdout]     |
[INFO] [stdout] 437 | impl fmt::Display for Disk {
[INFO] [stdout]     |                       ^^^^ help: use `dyn`: `dyn Disk`
[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 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]    --> src/disk/mod.rs:456:21
[INFO] [stdout]     |
[INFO] [stdout] 456 | impl fmt::Debug for Disk {
[INFO] [stdout]     |                     ^^^^ help: use `dyn`: `dyn Disk`
[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 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]    --> src/disk/mod.rs:468:31
[INFO] [stdout]     |
[INFO] [stdout] 468 | impl<'a> IntoIterator for &'a Disk {
[INFO] [stdout]     |                               ^^^^ help: use `dyn`: `dyn Disk`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util/mod.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         try!(write!(f, "{}{:04x}: ", prefix, 0));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         try!(write!(f, "{}{:04x}: ", prefix, offset));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util/mod.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |             try!(write!(f, "{:02x} ", b));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util/mod.rs:34:13
[INFO] [stdout]    |
[INFO] [stdout] 34 |             try!(write!(f, "   "));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util/mod.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             try!(write!(
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/util/mod.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             try!(writeln!(f, ""));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/util/mod.rs:43:29
[INFO] [stdout]    |
[INFO] [stdout] 43 |                     c @ 0x20...0x7E => c as char,
[INFO] [stdout]    |                             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` 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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/disk/error.rs:107:30
[INFO] [stdout]     |
[INFO] [stdout] 107 |         write!(f, "{}", self.description())
[INFO] [stdout]     |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/disk/validation.rs:61:35
[INFO] [stdout]    |
[INFO] [stdout] 61 |             _ => f.write_str(self.description()),
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/disk/error.rs:107:30
[INFO] [stdout]     |
[INFO] [stdout] 107 |         write!(f, "{}", self.description())
[INFO] [stdout]     |                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/disk/validation.rs:61:35
[INFO] [stdout]    |
[INFO] [stdout] 61 |             _ => f.write_str(self.description()),
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 46 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0659`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cbm` due to 2 previous errors; 46 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error; 46 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0659`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5f11a34af8a115380cf9c373059cdacdc35bfdb7bebe71e3a210e6cb4fec6047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f11a34af8a115380cf9c373059cdacdc35bfdb7bebe71e3a210e6cb4fec6047", kill_on_drop: false }`
[INFO] [stdout] 5f11a34af8a115380cf9c373059cdacdc35bfdb7bebe71e3a210e6cb4fec6047