[INFO] fetching crate samply 0.13.1...
[INFO] fixing samply-0.13.1 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] extracting crate samply 0.13.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate samply 0.13.1
[INFO] finished tweaking crates.io crate samply 0.13.1
[INFO] tweaked toml for crates.io crate samply 0.13.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate samply 0.13.1 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate samply 0.13.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] db62c3a9961478a4cf592c9d2e96abe9d6134409321b27912b062905479e9dfd
[INFO] running `Command { std: "docker" "start" "db62c3a9961478a4cf592c9d2e96abe9d6134409321b27912b062905479e9dfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "db62c3a9961478a4cf592c9d2e96abe9d6134409321b27912b062905479e9dfd" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db62c3a9961478a4cf592c9d2e96abe9d6134409321b27912b062905479e9dfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "db62c3a9961478a4cf592c9d2e96abe9d6134409321b27912b062905479e9dfd" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
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[INFO] [stderr]    Migrating src/main.rs from 2021 edition to 2024
[INFO] [stderr]        Fixed src/linux/perf_event.rs (4 fixes)
[INFO] [stderr]        Fixed src/shared/unresolved_samples.rs (1 fix)
[INFO] [stderr]        Fixed src/linux_shared/converter.rs (1 fix)
[INFO] [stderr]        Fixed src/linux/sys.rs (7 fixes)
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/server.rs:296:23
[INFO] [stdout]     |
[INFO] [stdout] 296 |                 match TcpListener::bind(&addr).await {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^-----
[INFO] [stdout]     |                       |                        |
[INFO] [stdout]     |                       |                        this value will be stored in a temporary; let us call it `#3`
[INFO] [stdout]     |                       |                        up until Edition 2021 `#3` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]     |                       |                        this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                       |                        `#1` will be dropped later as of Edition 2024
[INFO] [stdout]     |                       this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]     |                       up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]     |                       `__awaitee` calls a custom destructor
[INFO] [stdout]     |                       `__awaitee` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 302 |             }
[INFO] [stdout]     |             - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.43.0/src/io/poll_evented.rs:298:1
[INFO] [stdout]     |
[INFO] [stdout] 298 | impl<E: Source> Drop for PollEvented<E> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.43.0/src/io/poll_evented.rs:298:1
[INFO] [stdout]     |
[INFO] [stdout] 298 | impl<E: Source> Drop for PollEvented<E> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]     = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/linux/perf_group.rs:253:38
[INFO] [stdout]     |
[INFO] [stdout] 253 |                 while let Some(ev) = self.event_sorter.pop() {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]     |                                      up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] 254 |                     cb(ev);
[INFO] [stdout] 255 |                 }
[INFO] [stdout]     |                 - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout] ...
[INFO] [stdout] 283 |             for fd in fds_to_remove.drain(..) {
[INFO] [stdout]     |                       -----------------------
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       `iter` calls a custom destructor
[INFO] [stdout]     |                       `iter` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 289 |                 self.members.remove(&fd);
[INFO] [stdout]     |                 ------------------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                 `#1` will be dropped later as of Edition 2024
[INFO] [stdout]     |
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]    --> src/linux/perf_event.rs:539:1
[INFO] [stdout]     |
[INFO] [stdout] 539 | impl Drop for EventRef {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `iter` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/alloc/src/vec/drain.rs:173:0
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]    --> src/linux/perf_event.rs:91:1
[INFO] [stdout]     |
[INFO] [stdout]  91 | impl Drop for Perf {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/linux/perf_group.rs:279:34
[INFO] [stdout]     |
[INFO] [stdout] 279 |             while let Some(ev) = self.event_sorter.pop() {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]     |                                  up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] 280 |                 cb(ev);
[INFO] [stdout] 281 |             }
[INFO] [stdout]     |             - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout] 282 |
[INFO] [stdout] 283 |             for fd in fds_to_remove.drain(..) {
[INFO] [stdout]     |                       -----------------------
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       `iter` calls a custom destructor
[INFO] [stdout]     |                       `iter` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 289 |                 self.members.remove(&fd);
[INFO] [stdout]     |                 ------------------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                 `#1` will be dropped later as of Edition 2024
[INFO] [stdout]     |
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]    --> src/linux/perf_event.rs:539:1
[INFO] [stdout]     |
[INFO] [stdout] 539 | impl Drop for EventRef {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `iter` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/alloc/src/vec/drain.rs:173:0
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]    --> src/linux/perf_event.rs:91:1
[INFO] [stdout]     |
[INFO] [stdout]  91 | impl Drop for Perf {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/server.rs:296:23
[INFO] [stdout]     |
[INFO] [stdout] 296 |                 match TcpListener::bind(&addr).await {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^-----
[INFO] [stdout]     |                       |                        |
[INFO] [stdout]     |                       |                        this value will be stored in a temporary; let us call it `#3`
[INFO] [stdout]     |                       |                        up until Edition 2021 `#3` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]     |                       |                        this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                       |                        `#1` will be dropped later as of Edition 2024
[INFO] [stdout]     |                       this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]     |                       up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout]     |                       `__awaitee` calls a custom destructor
[INFO] [stdout]     |                       `__awaitee` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 302 |             }
[INFO] [stdout]     |             - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout]     |
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.43.0/src/io/poll_evented.rs:298:1
[INFO] [stdout]     |
[INFO] [stdout] 298 | impl<E: Source> Drop for PollEvented<E> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/tokio-1.43.0/src/io/poll_evented.rs:298:1
[INFO] [stdout]     |
[INFO] [stdout] 298 | impl<E: Source> Drop for PollEvented<E> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout]     = note: `--force-warn tail-expr-drop-order` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/linux/perf_group.rs:253:38
[INFO] [stdout]     |
[INFO] [stdout] 253 |                 while let Some(ev) = self.event_sorter.pop() {
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                      |
[INFO] [stdout]     |                                      this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]     |                                      up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] 254 |                     cb(ev);
[INFO] [stdout] 255 |                 }
[INFO] [stdout]     |                 - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout] ...
[INFO] [stdout] 283 |             for fd in fds_to_remove.drain(..) {
[INFO] [stdout]     |                       -----------------------
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       `iter` calls a custom destructor
[INFO] [stdout]     |                       `iter` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 289 |                 self.members.remove(&fd);
[INFO] [stdout]     |                 ------------------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                 `#1` will be dropped later as of Edition 2024
[INFO] [stdout]     |
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]    --> src/linux/perf_event.rs:539:1
[INFO] [stdout]     |
[INFO] [stdout] 539 | impl Drop for EventRef {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `iter` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/alloc/src/vec/drain.rs:173:0
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]    --> src/linux/perf_event.rs:91:1
[INFO] [stdout]     |
[INFO] [stdout]  91 | impl Drop for Perf {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: relative drop order changing in Rust 2024
[INFO] [stdout]    --> src/linux/perf_group.rs:279:34
[INFO] [stdout]     |
[INFO] [stdout] 279 |             while let Some(ev) = self.event_sorter.pop() {
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  this value will be stored in a temporary; let us call it `#2`
[INFO] [stdout]     |                                  up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024
[INFO] [stdout] 280 |                 cb(ev);
[INFO] [stdout] 281 |             }
[INFO] [stdout]     |             - now the temporary value is dropped here, before the local variables in the block or statement
[INFO] [stdout] 282 |
[INFO] [stdout] 283 |             for fd in fds_to_remove.drain(..) {
[INFO] [stdout]     |                       -----------------------
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       `iter` calls a custom destructor
[INFO] [stdout]     |                       `iter` will be dropped later as of Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 289 |                 self.members.remove(&fd);
[INFO] [stdout]     |                 ------------------------
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 this value will be stored in a temporary; let us call it `#1`
[INFO] [stdout]     |                 `#1` will be dropped later as of Edition 2024
[INFO] [stdout]     |
[INFO] [stdout] note: `#2` invokes this custom destructor
[INFO] [stdout]    --> src/linux/perf_event.rs:539:1
[INFO] [stdout]     |
[INFO] [stdout] 539 | impl Drop for EventRef {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `iter` invokes this custom destructor
[INFO] [stdout]    --> /rustc/622891a4e29178280638a6b63a8908bde2c0c854/library/alloc/src/vec/drain.rs:173:0
[INFO] [stdout] note: `#1` invokes this custom destructor
[INFO] [stdout]    --> src/linux/perf_event.rs:91:1
[INFO] [stdout]     |
[INFO] [stdout]  91 | impl Drop for Perf {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/temporary-tail-expr-scope.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] [stderr] crater-edition-check: samply v0.13.1 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]     Checking samply v0.13.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `UserTimingMarker` is never constructed
[INFO] [stdout]    --> src/shared/process_sample_data.rs:220:12
[INFO] [stdout]     |
[INFO] [stdout] 220 | pub struct UserTimingMarker(pub StringHandle);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linux/perf_event.rs:460:17
[INFO] [stdout]     |
[INFO] [stdout] 460 |     pub fn iter(&mut self) -> EventIter {
[INFO] [stdout]     |                 ^^^^^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 460 |     pub fn iter(&mut self) -> EventIter<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UserTimingMarker` is never constructed
[INFO] [stdout]    --> src/shared/process_sample_data.rs:220:12
[INFO] [stdout]     |
[INFO] [stdout] 220 | pub struct UserTimingMarker(pub StringHandle);
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/linux/perf_event.rs:460:17
[INFO] [stdout]     |
[INFO] [stdout] 460 |     pub fn iter(&mut self) -> EventIter {
[INFO] [stdout]     |                 ^^^^^^^^^     ^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 460 |     pub fn iter(&mut self) -> EventIter<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] [stderr] crater-edition-check all packages now at latest edition
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "db62c3a9961478a4cf592c9d2e96abe9d6134409321b27912b062905479e9dfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db62c3a9961478a4cf592c9d2e96abe9d6134409321b27912b062905479e9dfd", kill_on_drop: false }`
[INFO] [stdout] db62c3a9961478a4cf592c9d2e96abe9d6134409321b27912b062905479e9dfd
