[INFO] fetching crate debarchive 0.1.0...
[INFO] building debarchive-0.1.0 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate debarchive 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate debarchive 0.1.0 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate debarchive 0.1.0
[INFO] finished tweaking crates.io crate debarchive 0.1.0
[INFO] tweaked toml for crates.io crate debarchive 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ar v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ffd7e13d7bc0eb828b30580e3eab108a79928e4fc45af384317b20d9d72fb89
[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" "7ffd7e13d7bc0eb828b30580e3eab108a79928e4fc45af384317b20d9d72fb89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ffd7e13d7bc0eb828b30580e3eab108a79928e4fc45af384317b20d9d72fb89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ffd7e13d7bc0eb828b30580e3eab108a79928e4fc45af384317b20d9d72fb89", kill_on_drop: false }`
[INFO] [stdout] 7ffd7e13d7bc0eb828b30580e3eab108a79928e4fc45af384317b20d9d72fb89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 901c617b3ae51fb06c295571cdd585af4d8aa62443c6c783319ce96c031a4578
[INFO] running `Command { std: "docker" "start" "-a" "901c617b3ae51fb06c295571cdd585af4d8aa62443c6c783319ce96c031a4578", kill_on_drop: false }`
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]    Compiling ar v0.6.2
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling tar v0.4.35
[INFO] [stderr]    Compiling xz2 v0.1.6
[INFO] [stderr]    Compiling debarchive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/archive.rs:59:50
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn control<F: FnMut(&mut tar::Entry<&mut io::Read>) -> io::Result<()>>(&self, action: F) -> io::Result<()> {
[INFO] [stdout]    |                                                  ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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]   --> src/archive.rs:80:47
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn data<F: FnMut(&mut tar::Entry<&mut io::Read>) -> io::Result<()>>(&self, action: F) -> io::Result<()> {
[INFO] [stdout]    |                                               ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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]   --> src/archive.rs:93:29
[INFO] [stdout]    |
[INFO] [stdout] 93 |         where F: FnMut(&mut io::Read) -> T,
[INFO] [stdout]    |                             ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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]   --> src/archive.rs:97:29
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let mut reader: Box<io::Read> = match codec {
[INFO] [stdout]    |                             ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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]    --> src/archive.rs:105:51
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn iter_entries<F: FnMut(&mut tar::Entry<&mut io::Read>) -> io::Result<()>>(&self, mut action: F, id: u8, codec: Codec) -> io::Result...
[INFO] [stdout]     |                                                   ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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]    --> src/archive.rs:120:49
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn inner_data<F: FnMut(&mut tar::Entry<&mut io::Read>) -> io::Result<()>>(&self, action: F) -> io::Result<()> {
[INFO] [stdout]     |                                                 ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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]    --> src/archive.rs:124:52
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn inner_control<F: FnMut(&mut tar::Entry<&mut io::Read>) -> io::Result<()>>(&self, action: F) -> io::Result<()> {
[INFO] [stdout]     |                                                    ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/archive.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |             if let Ok(mut entry) = entry_result {
[INFO] [stdout]    |                       ----^^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/archive.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 |             for mut entry in tar::Archive::new(reader).entries()? {
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.05s
[INFO] running `Command { std: "docker" "inspect" "901c617b3ae51fb06c295571cdd585af4d8aa62443c6c783319ce96c031a4578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "901c617b3ae51fb06c295571cdd585af4d8aa62443c6c783319ce96c031a4578", kill_on_drop: false }`
[INFO] [stdout] 901c617b3ae51fb06c295571cdd585af4d8aa62443c6c783319ce96c031a4578
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93dba940d9608924f6f4994e73df7f8737cae41e1c7482b7b35a126eec7cecad
[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" "93dba940d9608924f6f4994e73df7f8737cae41e1c7482b7b35a126eec7cecad", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/archive.rs:59:50
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn control<F: FnMut(&mut tar::Entry<&mut io::Read>) -> io::Result<()>>(&self, action: F) -> io::Result<()> {
[INFO] [stdout]    |                                                  ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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]   --> src/archive.rs:80:47
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn data<F: FnMut(&mut tar::Entry<&mut io::Read>) -> io::Result<()>>(&self, action: F) -> io::Result<()> {
[INFO] [stdout]    |                                               ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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]   --> src/archive.rs:93:29
[INFO] [stdout]    |
[INFO] [stdout] 93 |         where F: FnMut(&mut io::Read) -> T,
[INFO] [stdout]    |                             ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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]   --> src/archive.rs:97:29
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let mut reader: Box<io::Read> = match codec {
[INFO] [stdout]    |                             ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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]    --> src/archive.rs:105:51
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn iter_entries<F: FnMut(&mut tar::Entry<&mut io::Read>) -> io::Result<()>>(&self, mut action: F, id: u8, codec: Codec) -> io::Result...
[INFO] [stdout]     |                                                   ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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]    --> src/archive.rs:120:49
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn inner_data<F: FnMut(&mut tar::Entry<&mut io::Read>) -> io::Result<()>>(&self, action: F) -> io::Result<()> {
[INFO] [stdout]     |                                                 ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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]    --> src/archive.rs:124:52
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn inner_control<F: FnMut(&mut tar::Entry<&mut io::Read>) -> io::Result<()>>(&self, action: F) -> io::Result<()> {
[INFO] [stdout]     |                                                    ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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] [stderr]    Compiling debarchive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/archive.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |             if let Ok(mut entry) = entry_result {
[INFO] [stdout]    |                       ----^^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/archive.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 |             for mut entry in tar::Archive::new(reader).entries()? {
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/archive.rs:59:50
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn control<F: FnMut(&mut tar::Entry<&mut io::Read>) -> io::Result<()>>(&self, action: F) -> io::Result<()> {
[INFO] [stdout]    |                                                  ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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]   --> src/archive.rs:80:47
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn data<F: FnMut(&mut tar::Entry<&mut io::Read>) -> io::Result<()>>(&self, action: F) -> io::Result<()> {
[INFO] [stdout]    |                                               ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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]   --> src/archive.rs:93:29
[INFO] [stdout]    |
[INFO] [stdout] 93 |         where F: FnMut(&mut io::Read) -> T,
[INFO] [stdout]    |                             ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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]   --> src/archive.rs:97:29
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let mut reader: Box<io::Read> = match codec {
[INFO] [stdout]    |                             ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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]    --> src/archive.rs:105:51
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn iter_entries<F: FnMut(&mut tar::Entry<&mut io::Read>) -> io::Result<()>>(&self, mut action: F, id: u8, codec: Codec) -> io::Result...
[INFO] [stdout]     |                                                   ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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]    --> src/archive.rs:120:49
[INFO] [stdout]     |
[INFO] [stdout] 120 |     fn inner_data<F: FnMut(&mut tar::Entry<&mut io::Read>) -> io::Result<()>>(&self, action: F) -> io::Result<()> {
[INFO] [stdout]     |                                                 ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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]    --> src/archive.rs:124:52
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn inner_control<F: FnMut(&mut tar::Entry<&mut io::Read>) -> io::Result<()>>(&self, action: F) -> io::Result<()> {
[INFO] [stdout]     |                                                    ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/archive.rs:27:23
[INFO] [stdout]    |
[INFO] [stdout] 27 |             if let Ok(mut entry) = entry_result {
[INFO] [stdout]    |                       ----^^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/archive.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 |             for mut entry in tar::Archive::new(reader).entries()? {
[INFO] [stdout]     |                 ----^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "93dba940d9608924f6f4994e73df7f8737cae41e1c7482b7b35a126eec7cecad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93dba940d9608924f6f4994e73df7f8737cae41e1c7482b7b35a126eec7cecad", kill_on_drop: false }`
[INFO] [stdout] 93dba940d9608924f6f4994e73df7f8737cae41e1c7482b7b35a126eec7cecad
