[INFO] fetching crate nettle 7.0.0...
[INFO] checking nettle-7.0.0 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate nettle 7.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate nettle 7.0.0 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nettle 7.0.0
[INFO] finished tweaking crates.io crate nettle 7.0.0
[INFO] tweaked toml for crates.io crate nettle 7.0.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nettle-sys v2.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30c59b14a60b130feff2675d5f0668620c62f395b5afdefa7a7a50bb1238942b
[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" "30c59b14a60b130feff2675d5f0668620c62f395b5afdefa7a7a50bb1238942b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30c59b14a60b130feff2675d5f0668620c62f395b5afdefa7a7a50bb1238942b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30c59b14a60b130feff2675d5f0668620c62f395b5afdefa7a7a50bb1238942b", kill_on_drop: false }`
[INFO] [stdout] 30c59b14a60b130feff2675d5f0668620c62f395b5afdefa7a7a50bb1238942b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b25df72e1befecef6cf7847b1940aa3197154254dba1f8f71da6c63febeb4c7b
[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" "b25df72e1befecef6cf7847b1940aa3197154254dba1f8f71da6c63febeb4c7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]    Compiling nettle-sys v2.0.4
[INFO] [stderr]     Checking nettle v7.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/insecure_do_not_use/sha1.rs:71:32
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/insecure_do_not_use/md2.rs:71:32
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/insecure_do_not_use/md4.rs:71:32
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/insecure_do_not_use/md5.rs:71:32
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/insecure_do_not_use/ripemd160.rs:72:32
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/insecure_do_not_use/gosthash94.rs:72:32
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/hash.rs:19:32
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn box_clone(&self) -> Box<Hash>;
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/mod.rs:6:35
[INFO] [stdout]    |
[INFO] [stdout] 6  |         impl ::std::io::Write for $name {
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn $name`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/hash/hash.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl_write_for_hash!(Hash);
[INFO] [stdout]    | --------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (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]   --> src/hash/hash.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Hash for Box<Hash> {
[INFO] [stdout]    |                   ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/hash.rs:46:32
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/hash.rs:51:20
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl Clone for Box<Hash> {
[INFO] [stdout]    |                    ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/sha224.rs:69:32
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/sha256.rs:68:32
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/sha512_224.rs:70:32
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/sha512_256.rs:70:32
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/sha384.rs:69:32
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/sha512.rs:68:32
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/sha3_224.rs:69:32
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/sha3_256.rs:69:32
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/sha3_384.rs:69:32
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/sha3_512.rs:69:32
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/polymorphic.rs:57:32
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn init_hash(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/polymorphic.rs:65:31
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn init_mac(&self) -> Box<Mac> {
[INFO] [stdout]    |                               ^^^ help: use `dyn`: `dyn Mac`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/polymorphic.rs:73:34
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn init_cipher(&self) -> Box<Mode> {
[INFO] [stdout]    |                                  ^^^^ help: use `dyn`: `dyn Mode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/polymorphic.rs:81:32
[INFO] [stdout]    |
[INFO] [stdout] 81 |     fn init_aead(&self) -> Box<Aead> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Aead`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> examples/polymorphic.rs:107:26
[INFO] [stdout]     |
[INFO] [stdout] 107 |     pub fn hash<H: AsMut<Hash>>(&self, h: &mut H) {
[INFO] [stdout]     |                          ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> examples/polymorphic.rs:111:25
[INFO] [stdout]     |
[INFO] [stdout] 111 |     pub fn mac<H: AsMut<Mac>>(&self, h: &mut H) {
[INFO] [stdout]     |                         ^^^ help: use `dyn`: `dyn Mac`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> examples/polymorphic.rs:127:26
[INFO] [stdout]     |
[INFO] [stdout] 127 |     pub fn hash<H: AsMut<Hash>>(&self, h: &mut H) {
[INFO] [stdout]     |                          ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> examples/polymorphic.rs:131:25
[INFO] [stdout]     |
[INFO] [stdout] 131 |     pub fn mac<H: AsMut<Mac>>(&self, h: &mut H) {
[INFO] [stdout]     |                         ^^^ help: use `dyn`: `dyn Mac`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> examples/polymorphic.rs:157:26
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn hash<H: AsMut<Hash>>(&self, h: &mut H) {
[INFO] [stdout]     |                          ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> examples/polymorphic.rs:165:25
[INFO] [stdout]     |
[INFO] [stdout] 165 |     pub fn mac<H: AsMut<Mac>>(&self, h: &mut H) {
[INFO] [stdout]     |                         ^^^ help: use `dyn`: `dyn Mac`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/insecure_do_not_use/sha1.rs:71:32
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/insecure_do_not_use/md2.rs:71:32
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/insecure_do_not_use/md4.rs:71:32
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/insecure_do_not_use/md5.rs:71:32
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/insecure_do_not_use/ripemd160.rs:72:32
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/insecure_do_not_use/gosthash94.rs:72:32
[INFO] [stdout]    |
[INFO] [stdout] 72 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/hash.rs:19:32
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn box_clone(&self) -> Box<Hash>;
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/mod.rs:6:35
[INFO] [stdout]    |
[INFO] [stdout] 6  |         impl ::std::io::Write for $name {
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn $name`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/hash/hash.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl_write_for_hash!(Hash);
[INFO] [stdout]    | --------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (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]   --> src/hash/hash.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl Hash for Box<Hash> {
[INFO] [stdout]    |                   ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/hash.rs:46:32
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/hash.rs:51:20
[INFO] [stdout]    |
[INFO] [stdout] 51 | impl Clone for Box<Hash> {
[INFO] [stdout]    |                    ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hash/hash.rs:110:25
[INFO] [stdout]     |
[INFO] [stdout] 110 |         let mut h1: Box<Hash> = Box::new(Sha256::default());
[INFO] [stdout]     |                         ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/sha224.rs:69:32
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/sha256.rs:68:32
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/sha512_224.rs:70:32
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/sha512_256.rs:70:32
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/sha384.rs:69:32
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/sha512.rs:68:32
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/sha3_224.rs:69:32
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/sha3_256.rs:69:32
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/sha3_384.rs:69:32
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hash/sha3_512.rs:69:32
[INFO] [stdout]    |
[INFO] [stdout] 69 |     fn box_clone(&self) -> Box<Hash> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "b25df72e1befecef6cf7847b1940aa3197154254dba1f8f71da6c63febeb4c7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b25df72e1befecef6cf7847b1940aa3197154254dba1f8f71da6c63febeb4c7b", kill_on_drop: false }`
[INFO] [stdout] b25df72e1befecef6cf7847b1940aa3197154254dba1f8f71da6c63febeb4c7b