[INFO] cloning repository https://github.com/samphippen/descriptor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samphippen/descriptor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamphippen%2Fdescriptor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamphippen%2Fdescriptor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01336a02a497156bb9d64d1a822aa44b97436139
[INFO] checking samphippen/descriptor against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamphippen%2Fdescriptor" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samphippen/descriptor on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/samphippen/descriptor
[INFO] removed path dependency expector from git repo https://github.com/samphippen/descriptor
[INFO] finished tweaking git repo https://github.com/samphippen/descriptor
[INFO] tweaked toml for git repo https://github.com/samphippen/descriptor written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/samphippen/descriptor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (expector) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (expector) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7a0afeb597b633395ebcb5648dba9f572eaaa06975b8d768ecef41425f7fe0b
[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" "b7a0afeb597b633395ebcb5648dba9f572eaaa06975b8d768ecef41425f7fe0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7a0afeb597b633395ebcb5648dba9f572eaaa06975b8d768ecef41425f7fe0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7a0afeb597b633395ebcb5648dba9f572eaaa06975b8d768ecef41425f7fe0b", kill_on_drop: false }`
[INFO] [stdout] b7a0afeb597b633395ebcb5648dba9f572eaaa06975b8d768ecef41425f7fe0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--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] 4faaed33f8736c47085b017f115eb8fcd7688297b92be9cd40e09d7055de68b0
[INFO] running `Command { std: "docker" "start" "-a" "4faaed33f8736c47085b017f115eb8fcd7688297b92be9cd40e09d7055de68b0", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (expector) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Checking expector v0.1.0
[INFO] [stderr]     Checking descriptor v0.1.0-pre (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `std::panic::recover`, `std::panic::RecoverSafe`
[INFO] [stdout]  --> src/example_group/example_group.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::panic::{recover, RecoverSafe, UnwindSafe};
[INFO] [stdout]   |                  ^^^^^^^  ^^^^^^^^^^^ no `RecoverSafe` in `panic`
[INFO] [stdout]   |                  |
[INFO] [stdout]   |                  no `recover` in `panic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stdout]  --> src/example.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::boxed::FnBox;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `take_handler` in module `panic`
[INFO] [stdout]   --> src/world.rs:20:37
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let orig_panic_handler = panic::take_handler();
[INFO] [stdout]    |                                     ^^^^^^^^^^^^ not found in `panic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `set_handler` in module `panic`
[INFO] [stdout]   --> src/world.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     panic::set_handler(|_| ());
[INFO] [stdout]    |            ^^^^^^^^^^^ not found in `panic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `set_handler` in module `panic`
[INFO] [stdout]   --> src/world.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     panic::set_handler(move |arg| (*orig_panic_handler)(arg));
[INFO] [stdout]    |            ^^^^^^^^^^^ not found in `panic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/example_group/example_group.rs:53:81
[INFO] [stdout]    |
[INFO] [stdout] 53 | ...te>>, block: Box<Fn(&mut ExampleGroup) + Send + 'static>) -> ExampleGroupResult {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut ExampleGroup) + Send + 'static`
[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/reporter.rs:10:48
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn example_failed(&self) -> Result<(), Box<::std::error::Error>>;
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reporter.rs:11:48
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn example_passed(&self) -> Result<(), Box<::std::error::Error>>;
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reporter.rs:12:61
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn report_result(&self, &WorldResult) -> Result<(), Box<::std::error::Error>>;
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reporter.rs:33:48
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn example_failed(&self) -> Result<(), Box<::std::error::Error>> {
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reporter.rs:38:48
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn example_passed(&self) -> Result<(), Box<::std::error::Error>> {
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reporter.rs:43:69
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn report_result(&self, result: &WorldResult) -> Result<(), Box<::std::error::Error>> {
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/world.rs:57:59
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn report_result(result: &WorldResult, reporter: &Box<Reporter + Send + 'static>) {
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Reporter + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/world_state.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub reporter: Box<reporter::Reporter + Send>,
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn reporter::Reporter + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/world_state.rs:10:30
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(reporter: Box<reporter::Reporter + Send>) -> WorldState {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn reporter::Reporter + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/example.rs:10:37
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type ExampleRecoveryBlock = Box<FnBox() -> thread::Result<()> + Send + 'static>;
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox() -> thread::Result<()> + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/example_group_and_block.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub block: Box<Fn(&mut ExampleGroup) + Send + 'static>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut ExampleGroup) + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/example_group_and_block.rs:15:48
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(group: ExampleGroup, block: Box<Fn(&mut ExampleGroup) + Send + 'static>) -> ExampleGroupAndBlock {
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut ExampleGroup) + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / lazy_static! {
[INFO] [stdout] 24 | |     static ref WORLD: Arc<Mutex<World>> = Arc::new(Mutex::new(World::new()));
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / lazy_static! {
[INFO] [stdout] 24 | |     static ref WORLD: Arc<Mutex<World>> = Arc::new(Mutex::new(World::new()));
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[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] error: aborting due to 5 previous errors; 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `descriptor`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0432]: unresolved imports `std::panic::recover`, `std::panic::RecoverSafe`
[INFO] [stdout]  --> src/example_group/example_group.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::panic::{recover, RecoverSafe, UnwindSafe};
[INFO] [stdout]   |                  ^^^^^^^  ^^^^^^^^^^^ no `RecoverSafe` in `panic`
[INFO] [stdout]   |                  |
[INFO] [stdout]   |                  no `recover` in `panic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::boxed::FnBox`
[INFO] [stdout]  --> src/example.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::boxed::FnBox;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^ no `FnBox` in `boxed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `take_handler` in module `panic`
[INFO] [stdout]   --> src/world.rs:20:37
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let orig_panic_handler = panic::take_handler();
[INFO] [stdout]    |                                     ^^^^^^^^^^^^ not found in `panic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `set_handler` in module `panic`
[INFO] [stdout]   --> src/world.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     panic::set_handler(|_| ());
[INFO] [stdout]    |            ^^^^^^^^^^^ not found in `panic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `set_handler` in module `panic`
[INFO] [stdout]   --> src/world.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     panic::set_handler(move |arg| (*orig_panic_handler)(arg));
[INFO] [stdout]    |            ^^^^^^^^^^^ not found in `panic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/example_group/example_group.rs:53:81
[INFO] [stdout]    |
[INFO] [stdout] 53 | ...te>>, block: Box<Fn(&mut ExampleGroup) + Send + 'static>) -> ExampleGroupResult {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut ExampleGroup) + Send + 'static`
[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/reporter.rs:10:48
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn example_failed(&self) -> Result<(), Box<::std::error::Error>>;
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reporter.rs:11:48
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn example_passed(&self) -> Result<(), Box<::std::error::Error>>;
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reporter.rs:12:61
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn report_result(&self, &WorldResult) -> Result<(), Box<::std::error::Error>>;
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reporter.rs:33:48
[INFO] [stdout]    |
[INFO] [stdout] 33 |     fn example_failed(&self) -> Result<(), Box<::std::error::Error>> {
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reporter.rs:38:48
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn example_passed(&self) -> Result<(), Box<::std::error::Error>> {
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/reporter.rs:43:69
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn report_result(&self, result: &WorldResult) -> Result<(), Box<::std::error::Error>> {
[INFO] [stdout]    |                                                                     ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/world.rs:57:59
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn report_result(result: &WorldResult, reporter: &Box<Reporter + Send + 'static>) {
[INFO] [stdout]    |                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Reporter + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/world_state.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub reporter: Box<reporter::Reporter + Send>,
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn reporter::Reporter + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/world_state.rs:10:30
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(reporter: Box<reporter::Reporter + Send>) -> WorldState {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn reporter::Reporter + Send`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/example.rs:10:37
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type ExampleRecoveryBlock = Box<FnBox() -> thread::Result<()> + Send + 'static>;
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox() -> thread::Result<()> + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/example_group_and_block.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub block: Box<Fn(&mut ExampleGroup) + Send + 'static>,
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut ExampleGroup) + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/example_group_and_block.rs:15:48
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new(group: ExampleGroup, block: Box<Fn(&mut ExampleGroup) + Send + 'static>) -> ExampleGroupAndBlock {
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut ExampleGroup) + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / lazy_static! {
[INFO] [stdout] 24 | |     static ref WORLD: Arc<Mutex<World>> = Arc::new(Mutex::new(World::new()));
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | / lazy_static! {
[INFO] [stdout] 24 | |     static ref WORLD: Arc<Mutex<World>> = Arc::new(Mutex::new(World::new()));
[INFO] [stdout] 25 | | }
[INFO] [stdout]    | |_^
[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] error: aborting due to 5 previous errors; 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4faaed33f8736c47085b017f115eb8fcd7688297b92be9cd40e09d7055de68b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4faaed33f8736c47085b017f115eb8fcd7688297b92be9cd40e09d7055de68b0", kill_on_drop: false }`
[INFO] [stdout] 4faaed33f8736c47085b017f115eb8fcd7688297b92be9cd40e09d7055de68b0
