[INFO] fetching crate vinezombie 0.3.1...
[INFO] fixing vinezombie-0.3.1 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] extracting crate vinezombie 0.3.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate vinezombie 0.3.1
[INFO] finished tweaking crates.io crate vinezombie 0.3.1
[INFO] tweaked toml for crates.io crate vinezombie 0.3.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vinezombie 0.3.1 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 vinezombie 0.3.1 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bumpalo v3.13.0
[INFO] [stderr]   Downloaded tracing-log v0.1.3
[INFO] [stderr]   Downloaded whoami v1.5.1
[INFO] [stderr]   Downloaded unicode-ident v1.0.11
[INFO] [stderr]   Downloaded thread_local v1.1.7
[INFO] [stderr]   Downloaded tracing-attributes v0.1.26
[INFO] [stderr]   Downloaded pin-project-lite v0.2.12
[INFO] [stderr]   Downloaded rustls-native-certs v0.7.0
[INFO] [stderr]   Downloaded rustls-pki-types v1.5.0
[INFO] [stderr]   Downloaded security-framework-sys v2.9.1
[INFO] [stderr]   Downloaded addr2line v0.20.0
[INFO] [stderr]   Downloaded rustls-pemfile v2.1.2
[INFO] [stderr]   Downloaded schannel v0.1.22
[INFO] [stderr]   Downloaded sharded-slab v0.1.4
[INFO] [stderr]   Downloaded socket2 v0.5.3
[INFO] [stderr]   Downloaded serde_derive v1.0.198
[INFO] [stderr]   Downloaded serde v1.0.198
[INFO] [stderr]   Downloaded backtrace v0.3.68
[INFO] [stderr]   Downloaded cc v1.0.94
[INFO] [stderr]   Downloaded tracing-core v0.1.31
[INFO] [stderr]   Downloaded security-framework v2.9.2
[INFO] [stderr]   Downloaded base64 v0.22.0
[INFO] [stderr]   Downloaded base64 v0.21.2
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.17
[INFO] [stderr]   Downloaded tokio-util v0.7.10
[INFO] [stderr]   Downloaded serde_json v1.0.116
[INFO] [stderr]   Downloaded rustls-webpki v0.102.3
[INFO] [stderr]   Downloaded object v0.31.1
[INFO] [stderr]   Downloaded gimli v0.27.3
[INFO] [stderr]   Downloaded rustls v0.23.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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] 938b163c0013a18fc9ae0aa7a6cf5ddd042c9ffeb66ede4d40bb578bff1b9423
[INFO] running `Command { std: "docker" "start" "938b163c0013a18fc9ae0aa7a6cf5ddd042c9ffeb66ede4d40bb578bff1b9423", 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" "938b163c0013a18fc9ae0aa7a6cf5ddd042c9ffeb66ede4d40bb578bff1b9423" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "938b163c0013a18fc9ae0aa7a6cf5ddd042c9ffeb66ede4d40bb578bff1b9423", 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" "938b163c0013a18fc9ae0aa7a6cf5ddd042c9ffeb66ede4d40bb578bff1b9423" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling cc v1.0.94
[INFO] [stderr]     Checking rustls-pki-types v1.5.0
[INFO] [stderr]    Compiling rustls v0.23.5
[INFO] [stderr]     Checking pin-project-lite v0.2.12
[INFO] [stderr]     Checking base64 v0.22.0
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling serde v1.0.198
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking rustls-pemfile v2.1.2
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking rustls-native-certs v0.7.0
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking rustls-webpki v0.102.3
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tokio-rustls v0.26.0
[INFO] [stderr]     Checking vinezombie v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_unstable`
[INFO] [stdout]   --> src/lib.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![cfg_attr(doc_unstable, feature(doc_auto_cfg))]
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_unstable)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_unstable)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `doc_unstable`
[INFO] [stdout]   --> src/lib.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![cfg_attr(doc_unstable, feature(doc_auto_cfg))]
[INFO] [stdout]    |             ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stdout]    = help: consider using a Cargo feature instead
[INFO] [stdout]    = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]             [lints.rust]
[INFO] [stdout]             unexpected_cfgs = { level = "warn", check-cfg = ['cfg(doc_unstable)'] }
[INFO] [stdout]    = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(doc_unstable)");` to the top of the `build.rs`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `make_ref_mut` is never used
[INFO] [stdout]   --> src/util/dynsized.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub unsafe trait DynSized {
[INFO] [stdout]    |                  -------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 20 |     unsafe fn make_ref_mut(ptr: NonNull<u8>, meta: &Self::Metadata) -> Self::RefMut<'_>;
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/client/auth/handler.rs:261:17
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 channel.send(v.and(Ok(())));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 let _ = channel.send(v.and(Ok(())));
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/client/handler/channel/parker.rs:38:28
[INFO] [stdout]    |
[INFO] [stdout] 38 |         if ptr != unsafe { SKIP_PARKING.as_mut_ptr() } {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/client/handler/channel/parker.rs:52:40
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let ptr = self.1.swap(unsafe { SKIP_PARKING.as_mut_ptr() }, Ordering::AcqRel);
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/client/handler/channel/parker.rs:53:28
[INFO] [stdout]    |
[INFO] [stdout] 53 |         if ptr != unsafe { SKIP_PARKING.as_mut_ptr() } {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]   --> src/client/handlers/ping.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     channel.send((source, duration));
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     let _ = channel.send((source, duration));
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/client/register/handler.rs:540:17
[INFO] [stdout]     |
[INFO] [stdout] 540 |                 channel.send(Ok(()));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 540 |                 let _ = channel.send(Ok(()));
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/client/register/handler.rs:545:17
[INFO] [stdout]     |
[INFO] [stdout] 545 |                 channel.send(Err(e));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 545 |                 let _ = channel.send(Err(e));
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `make_ref_mut` is never used
[INFO] [stdout]   --> src/util/dynsized.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub unsafe trait DynSized {
[INFO] [stdout]    |                  -------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 20 |     unsafe fn make_ref_mut(ptr: NonNull<u8>, meta: &Self::Metadata) -> Self::RefMut<'_>;
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/client/auth/handler.rs:261:17
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 channel.send(v.and(Ok(())));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 261 |                 let _ = channel.send(v.and(Ok(())));
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/client/handler/channel/parker.rs:38:28
[INFO] [stdout]    |
[INFO] [stdout] 38 |         if ptr != unsafe { SKIP_PARKING.as_mut_ptr() } {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/client/handler/channel/parker.rs:52:40
[INFO] [stdout]    |
[INFO] [stdout] 52 |         let ptr = self.1.swap(unsafe { SKIP_PARKING.as_mut_ptr() }, Ordering::AcqRel);
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/client/handler/channel/parker.rs:53:28
[INFO] [stdout]    |
[INFO] [stdout] 53 |         if ptr != unsafe { SKIP_PARKING.as_mut_ptr() } {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]   --> src/client/handler/channel/tests.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         send.send(string);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let _ = send.send(string);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]   --> src/client/handler/channel/tests.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         send.send(string);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let _ = send.send(string);
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]   --> src/client/handlers/ping.rs:48:21
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     channel.send((source, duration));
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |                     let _ = channel.send((source, duration));
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/client/register/handler.rs:540:17
[INFO] [stdout]     |
[INFO] [stdout] 540 |                 channel.send(Ok(()));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 540 |                 let _ = channel.send(Ok(()));
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `ControlFlow` that must be used
[INFO] [stdout]    --> src/client/register/handler.rs:545:17
[INFO] [stdout]     |
[INFO] [stdout] 545 |                 channel.send(Err(e));
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 545 |                 let _ = channel.send(Err(e));
[INFO] [stdout]     |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.37s
[INFO] [stderr] crater-edition-check: all finished
[INFO] running `Command { std: "docker" "inspect" "938b163c0013a18fc9ae0aa7a6cf5ddd042c9ffeb66ede4d40bb578bff1b9423", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "938b163c0013a18fc9ae0aa7a6cf5ddd042c9ffeb66ede4d40bb578bff1b9423", kill_on_drop: false }`
[INFO] [stdout] 938b163c0013a18fc9ae0aa7a6cf5ddd042c9ffeb66ede4d40bb578bff1b9423
