[INFO] crate mammoth-setup 0.0.1 is already in cache
[INFO] checking mammoth-setup-0.0.1 against try#0ab79c4b48ad19260fa46623f452c1b403a360e8 for pr-74315
[INFO] extracting crate mammoth-setup 0.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mammoth-setup 0.0.1 on toolchain 0ab79c4b48ad19260fa46623f452c1b403a360e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mammoth-setup 0.0.1
[INFO] finished tweaking crates.io crate mammoth-setup 0.0.1
[INFO] tweaked toml for crates.io crate mammoth-setup 0.0.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7a00c07342f8f424b0488dd51c1cacfa9dfe0593e63cd572c63d8c509b39c80
[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" "f7a00c07342f8f424b0488dd51c1cacfa9dfe0593e63cd572c63d8c509b39c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7a00c07342f8f424b0488dd51c1cacfa9dfe0593e63cd572c63d8c509b39c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7a00c07342f8f424b0488dd51c1cacfa9dfe0593e63cd572c63d8c509b39c80", kill_on_drop: false }`
[INFO] [stdout] f7a00c07342f8f424b0488dd51c1cacfa9dfe0593e63cd572c63d8c509b39c80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+0ab79c4b48ad19260fa46623f452c1b403a360e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48f9787f666d8149c5fbd0a5c4ba92502545f78129359978901c61b7cf2692f1
[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" "48f9787f666d8149c5fbd0a5c4ba92502545f78129359978901c61b7cf2692f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking mammoth-setup v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config/host.rs:187:37
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn validate(&self, logger: &mut Logger, item: &Host) -> Result<(), Error> {
[INFO] [stdout]     |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[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/config/mammoth.rs:63:37
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn validate(&self, logger: &mut Logger, item: &Mammoth) -> Result<(), Error> {
[INFO] [stdout]    |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config/port.rs:117:37
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn validate(&self, logger: &mut Logger, item: &Binding) -> Result<(), Error> {
[INFO] [stdout]     |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config/module.rs:177:70
[INFO] [stdout]     |
[INFO] [stdout] 177 |             let constructor: Symbol<extern fn(Option<Value>) -> *mut MammothInterface> = library.get(b"__construct")?;
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MammothInterface`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config/module.rs:198:37
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn validate(&self, logger: &mut Logger, item: &Module) -> Result<(), Error> {
[INFO] [stdout]     |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config/module.rs:222:28
[INFO] [stdout]     |
[INFO] [stdout] 222 |         let interface: Box<MammothInterface> = unsafe {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MammothInterface`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config/module.rs:223:70
[INFO] [stdout]     |
[INFO] [stdout] 223 |             let constructor: Symbol<extern fn(Option<Value>) -> *mut MammothInterface> = lib.get(b"__construct")?;
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MammothInterface`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config.rs:108:37
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn validate(&self, logger: &mut Logger, item: &ConfigurationFile) -> Result<(), Error> {
[INFO] [stdout]     |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Generic(Box<ErrorTrait + Send + Sync>),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ErrorTrait + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/loaded/library.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub(in self) interface: Arc<Box<MammothInterface>>
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MammothInterface`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/loaded/library.rs:70:61
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn insert(&mut self, name: &str, interface: Arc<Box<MammothInterface>>) {
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MammothInterface`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/log.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type AsyncLoggerReference = Arc<RwLock<Logger>>;
[INFO] [stdout]   |                                            ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/validation.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn validate(&self, _: &mut Logger, _: &T) -> Result<(), Error>;
[INFO] [stdout]    |                                ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/validation.rs:24:37
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn validate(&self, logger: &mut Logger, item: &&Path) -> Result<(), Error> {
[INFO] [stdout]    |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/validation.rs:50:26
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl<T> Validator<T> for Fn(&mut Logger, &T) -> Result<(), Error> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Logger, &T) -> Result<(), Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/validation.rs:50:34
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl<T> Validator<T> for Fn(&mut Logger, &T) -> Result<(), Error> {
[INFO] [stdout]    |                                  ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/validation.rs:51:37
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn validate(&self, logger: &mut Logger, item: &T) -> Result<(), Error> {
[INFO] [stdout]    |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/validation.rs:63:37
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn validate(&self, logger: &mut Logger, item: &Vec<I>) -> Result<(), Error> {
[INFO] [stdout]    |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/validation.rs:87:37
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn validate(&self, logger: &mut Logger, item: &Vec<&I>) -> Result<(), Error> {
[INFO] [stdout]    |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:46:37
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn on_validation(&self, _: &mut Logger) -> Result<(), Error>;
[INFO] [stdout]    |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config/host.rs:187:37
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn validate(&self, logger: &mut Logger, item: &Host) -> Result<(), Error> {
[INFO] [stdout]     |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[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/config/mammoth.rs:63:37
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn validate(&self, logger: &mut Logger, item: &Mammoth) -> Result<(), Error> {
[INFO] [stdout]    |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config/port.rs:117:37
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn validate(&self, logger: &mut Logger, item: &Binding) -> Result<(), Error> {
[INFO] [stdout]     |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config/module.rs:177:70
[INFO] [stdout]     |
[INFO] [stdout] 177 |             let constructor: Symbol<extern fn(Option<Value>) -> *mut MammothInterface> = library.get(b"__construct")?;
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MammothInterface`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config/module.rs:198:37
[INFO] [stdout]     |
[INFO] [stdout] 198 |     fn validate(&self, logger: &mut Logger, item: &Module) -> Result<(), Error> {
[INFO] [stdout]     |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config/module.rs:222:28
[INFO] [stdout]     |
[INFO] [stdout] 222 |         let interface: Box<MammothInterface> = unsafe {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MammothInterface`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config/module.rs:223:70
[INFO] [stdout]     |
[INFO] [stdout] 223 |             let constructor: Symbol<extern fn(Option<Value>) -> *mut MammothInterface> = lib.get(b"__construct")?;
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MammothInterface`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/config.rs:108:37
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn validate(&self, logger: &mut Logger, item: &ConfigurationFile) -> Result<(), Error> {
[INFO] [stdout]     |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Generic(Box<ErrorTrait + Send + Sync>),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ErrorTrait + Send + Sync`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/loaded/library.rs:26:37
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub(in self) interface: Arc<Box<MammothInterface>>
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MammothInterface`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/loaded/library.rs:70:61
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn insert(&mut self, name: &str, interface: Arc<Box<MammothInterface>>) {
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MammothInterface`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/log.rs:7:44
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub type AsyncLoggerReference = Arc<RwLock<Logger>>;
[INFO] [stdout]   |                                            ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/validation.rs:10:32
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn validate(&self, _: &mut Logger, _: &T) -> Result<(), Error>;
[INFO] [stdout]    |                                ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/validation.rs:24:37
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn validate(&self, logger: &mut Logger, item: &&Path) -> Result<(), Error> {
[INFO] [stdout]    |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/validation.rs:50:26
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl<T> Validator<T> for Fn(&mut Logger, &T) -> Result<(), Error> {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut Logger, &T) -> Result<(), Error>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/validation.rs:50:34
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl<T> Validator<T> for Fn(&mut Logger, &T) -> Result<(), Error> {
[INFO] [stdout]    |                                  ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/validation.rs:51:37
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn validate(&self, logger: &mut Logger, item: &T) -> Result<(), Error> {
[INFO] [stdout]    |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/validation.rs:63:37
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn validate(&self, logger: &mut Logger, item: &Vec<I>) -> Result<(), Error> {
[INFO] [stdout]    |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/validation.rs:87:37
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn validate(&self, logger: &mut Logger, item: &Vec<&I>) -> Result<(), Error> {
[INFO] [stdout]    |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:46:37
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn on_validation(&self, _: &mut Logger) -> Result<(), Error>;
[INFO] [stdout]    |                                     ^^^^^^ help: use `dyn`: `dyn Logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.07s
[INFO] running `Command { std: "docker" "inspect" "48f9787f666d8149c5fbd0a5c4ba92502545f78129359978901c61b7cf2692f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48f9787f666d8149c5fbd0a5c4ba92502545f78129359978901c61b7cf2692f1", kill_on_drop: false }`
[INFO] [stdout] 48f9787f666d8149c5fbd0a5c4ba92502545f78129359978901c61b7cf2692f1