[INFO] fetching crate throttle-timer 1.0.0...
[INFO] testing throttle-timer-1.0.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate throttle-timer 1.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate throttle-timer 1.0.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate throttle-timer 1.0.0
[INFO] finished tweaking crates.io crate throttle-timer 1.0.0
[INFO] tweaked toml for crates.io crate throttle-timer 1.0.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", 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] 2b527f479a42919fe07d69c8cdf48ebe94100a7a2d8fb3f2f1c828f5b9a56db6
[INFO] running `Command { std: "docker" "start" "-a" "2b527f479a42919fe07d69c8cdf48ebe94100a7a2d8fb3f2f1c828f5b9a56db6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b527f479a42919fe07d69c8cdf48ebe94100a7a2d8fb3f2f1c828f5b9a56db6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b527f479a42919fe07d69c8cdf48ebe94100a7a2d8fb3f2f1c828f5b9a56db6", kill_on_drop: false }`
[INFO] [stdout] 2b527f479a42919fe07d69c8cdf48ebe94100a7a2d8fb3f2f1c828f5b9a56db6
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] b91588cc049319beb971d19c9d0f6ef74158c08dca92045207e8852bc01e92d3
[INFO] running `Command { std: "docker" "start" "-a" "b91588cc049319beb971d19c9d0f6ef74158c08dca92045207e8852bc01e92d3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling throttle-timer v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/lib.rs:96:17
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 (self.max_frequency
[INFO] [stdout]    |                 ^
[INFO] [stdout] ...
[INFO] [stdout] 99 |                         .min(self.max_frequency))
[INFO] [stdout]    |                                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 96 ~                 self.max_frequency
[INFO] [stdout] 97 |                     - Instant::now()
[INFO] [stdout] 98 |                         .duration_since(last_time)
[INFO] [stdout] 99 ~                         .min(self.max_frequency)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:129:53
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn run_throttle_cb(&mut self, success: &mut FnMut(), throttled: &mut FnMut()) -> bool {
[INFO] [stdout]     |                                                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 129 -     pub fn run_throttle_cb(&mut self, success: &mut FnMut(), throttled: &mut FnMut()) -> bool {
[INFO] [stdout] 129 +     pub fn run_throttle_cb(&mut self, success: &mut dyn FnMut(), throttled: &mut FnMut()) -> bool {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:129:78
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn run_throttle_cb(&mut self, success: &mut FnMut(), throttled: &mut FnMut()) -> bool {
[INFO] [stdout]     |                                                                              ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 129 -     pub fn run_throttle_cb(&mut self, success: &mut FnMut(), throttled: &mut FnMut()) -> bool {
[INFO] [stdout] 129 +     pub fn run_throttle_cb(&mut self, success: &mut FnMut(), throttled: &mut dyn FnMut()) -> bool {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:144:41
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn run(&mut self, success: &mut FnMut()) -> bool {
[INFO] [stdout]     |                                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 144 -     pub fn run(&mut self, success: &mut FnMut()) -> bool {
[INFO] [stdout] 144 +     pub fn run(&mut self, success: &mut dyn FnMut()) -> bool {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:150:46
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn run_wait(&mut self, success: &mut FnMut()) {
[INFO] [stdout]     |                                              ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 150 -     pub fn run_wait(&mut self, success: &mut FnMut()) {
[INFO] [stdout] 150 +     pub fn run_wait(&mut self, success: &mut dyn FnMut()) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:156:50
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn run_with_msg(&mut self, success: &mut FnMut()) -> bool {
[INFO] [stdout]     |                                                  ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 156 -     pub fn run_with_msg(&mut self, success: &mut FnMut()) -> bool {
[INFO] [stdout] 156 +     pub fn run_with_msg(&mut self, success: &mut dyn FnMut()) -> bool {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "b91588cc049319beb971d19c9d0f6ef74158c08dca92045207e8852bc01e92d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b91588cc049319beb971d19c9d0f6ef74158c08dca92045207e8852bc01e92d3", kill_on_drop: false }`
[INFO] [stdout] b91588cc049319beb971d19c9d0f6ef74158c08dca92045207e8852bc01e92d3
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e178def8bcff66dfb34daf3094b0da95015421462b19a884c07b1b1b88774c82
[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" "e178def8bcff66dfb34daf3094b0da95015421462b19a884c07b1b1b88774c82", kill_on_drop: false }`
[INFO] [stderr]    Compiling throttle-timer v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/lib.rs:96:17
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 (self.max_frequency
[INFO] [stdout]    |                 ^
[INFO] [stdout] ...
[INFO] [stdout] 99 |                         .min(self.max_frequency))
[INFO] [stdout]    |                                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 96 ~                 self.max_frequency
[INFO] [stdout] 97 |                     - Instant::now()
[INFO] [stdout] 98 |                         .duration_since(last_time)
[INFO] [stdout] 99 ~                         .min(self.max_frequency)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:129:53
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn run_throttle_cb(&mut self, success: &mut FnMut(), throttled: &mut FnMut()) -> bool {
[INFO] [stdout]     |                                                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 129 -     pub fn run_throttle_cb(&mut self, success: &mut FnMut(), throttled: &mut FnMut()) -> bool {
[INFO] [stdout] 129 +     pub fn run_throttle_cb(&mut self, success: &mut dyn FnMut(), throttled: &mut FnMut()) -> bool {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:129:78
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn run_throttle_cb(&mut self, success: &mut FnMut(), throttled: &mut FnMut()) -> bool {
[INFO] [stdout]     |                                                                              ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 129 -     pub fn run_throttle_cb(&mut self, success: &mut FnMut(), throttled: &mut FnMut()) -> bool {
[INFO] [stdout] 129 +     pub fn run_throttle_cb(&mut self, success: &mut FnMut(), throttled: &mut dyn FnMut()) -> bool {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:144:41
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn run(&mut self, success: &mut FnMut()) -> bool {
[INFO] [stdout]     |                                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 144 -     pub fn run(&mut self, success: &mut FnMut()) -> bool {
[INFO] [stdout] 144 +     pub fn run(&mut self, success: &mut dyn FnMut()) -> bool {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:150:46
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn run_wait(&mut self, success: &mut FnMut()) {
[INFO] [stdout]     |                                              ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 150 -     pub fn run_wait(&mut self, success: &mut FnMut()) {
[INFO] [stdout] 150 +     pub fn run_wait(&mut self, success: &mut dyn FnMut()) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:156:50
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn run_with_msg(&mut self, success: &mut FnMut()) -> bool {
[INFO] [stdout]     |                                                  ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 156 -     pub fn run_with_msg(&mut self, success: &mut FnMut()) -> bool {
[INFO] [stdout] 156 +     pub fn run_with_msg(&mut self, success: &mut dyn FnMut()) -> bool {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/lib.rs:96:17
[INFO] [stdout]    |
[INFO] [stdout] 96 |                 (self.max_frequency
[INFO] [stdout]    |                 ^
[INFO] [stdout] ...
[INFO] [stdout] 99 |                         .min(self.max_frequency))
[INFO] [stdout]    |                                                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 96 ~                 self.max_frequency
[INFO] [stdout] 97 |                     - Instant::now()
[INFO] [stdout] 98 |                         .duration_since(last_time)
[INFO] [stdout] 99 ~                         .min(self.max_frequency)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:129:53
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn run_throttle_cb(&mut self, success: &mut FnMut(), throttled: &mut FnMut()) -> bool {
[INFO] [stdout]     |                                                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 129 -     pub fn run_throttle_cb(&mut self, success: &mut FnMut(), throttled: &mut FnMut()) -> bool {
[INFO] [stdout] 129 +     pub fn run_throttle_cb(&mut self, success: &mut dyn FnMut(), throttled: &mut FnMut()) -> bool {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:129:78
[INFO] [stdout]     |
[INFO] [stdout] 129 |     pub fn run_throttle_cb(&mut self, success: &mut FnMut(), throttled: &mut FnMut()) -> bool {
[INFO] [stdout]     |                                                                              ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 129 -     pub fn run_throttle_cb(&mut self, success: &mut FnMut(), throttled: &mut FnMut()) -> bool {
[INFO] [stdout] 129 +     pub fn run_throttle_cb(&mut self, success: &mut FnMut(), throttled: &mut dyn FnMut()) -> bool {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:144:41
[INFO] [stdout]     |
[INFO] [stdout] 144 |     pub fn run(&mut self, success: &mut FnMut()) -> bool {
[INFO] [stdout]     |                                         ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 144 -     pub fn run(&mut self, success: &mut FnMut()) -> bool {
[INFO] [stdout] 144 +     pub fn run(&mut self, success: &mut dyn FnMut()) -> bool {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:150:46
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn run_wait(&mut self, success: &mut FnMut()) {
[INFO] [stdout]     |                                              ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 150 -     pub fn run_wait(&mut self, success: &mut FnMut()) {
[INFO] [stdout] 150 +     pub fn run_wait(&mut self, success: &mut dyn FnMut()) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:156:50
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn run_with_msg(&mut self, success: &mut FnMut()) -> bool {
[INFO] [stdout]     |                                                  ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 156 -     pub fn run_with_msg(&mut self, success: &mut FnMut()) -> bool {
[INFO] [stdout] 156 +     pub fn run_with_msg(&mut self, success: &mut dyn FnMut()) -> bool {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `Command { std: "docker" "inspect" "e178def8bcff66dfb34daf3094b0da95015421462b19a884c07b1b1b88774c82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e178def8bcff66dfb34daf3094b0da95015421462b19a884c07b1b1b88774c82", kill_on_drop: false }`
[INFO] [stdout] e178def8bcff66dfb34daf3094b0da95015421462b19a884c07b1b1b88774c82
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", 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] 04a4e4a51a613a15ad8a3e5315f5946b19948f86d02331486cf25f42b2e204bb
[INFO] running `Command { std: "docker" "start" "-a" "04a4e4a51a613a15ad8a3e5315f5946b19948f86d02331486cf25f42b2e204bb", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/lib.rs:96:17
[INFO] [stderr]    |
[INFO] [stderr] 96 |                 (self.max_frequency
[INFO] [stderr]    |                 ^
[INFO] [stderr] ...
[INFO] [stderr] 99 |                         .min(self.max_frequency))
[INFO] [stderr]    |                                                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 96 ~                 self.max_frequency
[INFO] [stderr] 97 |                     - Instant::now()
[INFO] [stderr] 98 |                         .duration_since(last_time)
[INFO] [stderr] 99 ~                         .min(self.max_frequency)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:129:53
[INFO] [stderr]     |
[INFO] [stderr] 129 |     pub fn run_throttle_cb(&mut self, success: &mut FnMut(), throttled: &mut FnMut()) -> bool {
[INFO] [stderr]     |                                                     ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 129 -     pub fn run_throttle_cb(&mut self, success: &mut FnMut(), throttled: &mut FnMut()) -> bool {
[INFO] [stderr] 129 +     pub fn run_throttle_cb(&mut self, success: &mut dyn FnMut(), throttled: &mut FnMut()) -> bool {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:129:78
[INFO] [stderr]     |
[INFO] [stderr] 129 |     pub fn run_throttle_cb(&mut self, success: &mut FnMut(), throttled: &mut FnMut()) -> bool {
[INFO] [stderr]     |                                                                              ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 129 -     pub fn run_throttle_cb(&mut self, success: &mut FnMut(), throttled: &mut FnMut()) -> bool {
[INFO] [stderr] 129 +     pub fn run_throttle_cb(&mut self, success: &mut FnMut(), throttled: &mut dyn FnMut()) -> bool {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:144:41
[INFO] [stderr]     |
[INFO] [stderr] 144 |     pub fn run(&mut self, success: &mut FnMut()) -> bool {
[INFO] [stderr]     |                                         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 144 -     pub fn run(&mut self, success: &mut FnMut()) -> bool {
[INFO] [stderr] 144 +     pub fn run(&mut self, success: &mut dyn FnMut()) -> bool {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:150:46
[INFO] [stderr]     |
[INFO] [stderr] 150 |     pub fn run_wait(&mut self, success: &mut FnMut()) {
[INFO] [stderr]     |                                              ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 150 -     pub fn run_wait(&mut self, success: &mut FnMut()) {
[INFO] [stderr] 150 +     pub fn run_wait(&mut self, success: &mut dyn FnMut()) {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:156:50
[INFO] [stderr]     |
[INFO] [stderr] 156 |     pub fn run_with_msg(&mut self, success: &mut FnMut()) -> bool {
[INFO] [stderr]     |                                                  ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 156 -     pub fn run_with_msg(&mut self, success: &mut FnMut()) -> bool {
[INFO] [stderr] 156 +     pub fn run_with_msg(&mut self, success: &mut dyn FnMut()) -> bool {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `throttle-timer` (lib) generated 6 warnings
[INFO] [stderr] warning: `throttle-timer` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/throttle_timer-b60264988025f1bd)
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test::test_in_loop ... ok
[INFO] [stdout] test test::test_run_with_msg ... ok
[INFO] [stdout] test test::test_can_run ... ok
[INFO] [stdout] test test::test_run_wait ... ok
[INFO] [stdout] test test::test_run ... ok
[INFO] [stdout] test test::test_print_debug ... ok
[INFO] [stdout] test test::test_call_count ... ok
[INFO] [stderr]    Doc-tests throttle-timer
[INFO] [stdout] test test::test_with_delay ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.11s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:96:17
[INFO] [stderr]    |
[INFO] [stderr] 96 |                 (self.max_frequency
[INFO] [stderr]    |                 ^
[INFO] [stderr] ...
[INFO] [stderr] 99 |                         .min(self.max_frequency))
[INFO] [stderr]    |                                                 ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 96 ~                 self.max_frequency
[INFO] [stderr] 97 |                     - Instant::now()
[INFO] [stderr] 98 |                         .duration_since(last_time)
[INFO] [stderr] 99 ~                         .min(self.max_frequency)
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] test src/lib.rs - ThrottleTimer (line 54) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "04a4e4a51a613a15ad8a3e5315f5946b19948f86d02331486cf25f42b2e204bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04a4e4a51a613a15ad8a3e5315f5946b19948f86d02331486cf25f42b2e204bb", kill_on_drop: false }`
[INFO] [stdout] 04a4e4a51a613a15ad8a3e5315f5946b19948f86d02331486cf25f42b2e204bb