[INFO] fetching crate throttle-timer 1.0.0...
[INFO] checking throttle-timer-1.0.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate throttle-timer 1.0.0 into /workspace/builds/worker-0-tc1/source
[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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate throttle-timer 1.0.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1dca9956cfbcbbd58aa91abbfcb76d112825f631cb25a220423a9811fd87afc
[INFO] running `Command { std: "docker" "start" "-a" "a1dca9956cfbcbbd58aa91abbfcb76d112825f631cb25a220423a9811fd87afc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1dca9956cfbcbbd58aa91abbfcb76d112825f631cb25a220423a9811fd87afc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1dca9956cfbcbbd58aa91abbfcb76d112825f631cb25a220423a9811fd87afc", kill_on_drop: false }`
[INFO] [stdout] a1dca9956cfbcbbd58aa91abbfcb76d112825f631cb25a220423a9811fd87afc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ef36e3fd68fefcd972f6e0a696fd219d164f1a2b1678ac76982fccbb6b6145e
[INFO] running `Command { std: "docker" "start" "-a" "1ef36e3fd68fefcd972f6e0a696fd219d164f1a2b1678ac76982fccbb6b6145e", kill_on_drop: false }`
[INFO] [stderr]     Checking 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]     = 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]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn run_with_msg(&mut self, success: &mut dyn FnMut()) -> bool {
[INFO] [stdout]     |                                                  +++
[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]     = 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]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 156 |     pub fn run_with_msg(&mut self, success: &mut dyn FnMut()) -> bool {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "1ef36e3fd68fefcd972f6e0a696fd219d164f1a2b1678ac76982fccbb6b6145e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ef36e3fd68fefcd972f6e0a696fd219d164f1a2b1678ac76982fccbb6b6145e", kill_on_drop: false }`
[INFO] [stdout] 1ef36e3fd68fefcd972f6e0a696fd219d164f1a2b1678ac76982fccbb6b6145e