[INFO] fetching crate dbus-crossroads 0.5.2... [INFO] testing dbus-crossroads-0.5.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate dbus-crossroads 0.5.2 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate dbus-crossroads 0.5.2 [INFO] finished tweaking crates.io crate dbus-crossroads 0.5.2 [INFO] tweaked toml for crates.io crate dbus-crossroads 0.5.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate dbus-crossroads 0.5.2 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate dbus-crossroads 0.5.2 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 73817162dc88c241c78fec6b6971d60f45f6a877f5ea03b44a5cd9b002f5c0d3 [INFO] running `Command { std: "docker" "start" "-a" "73817162dc88c241c78fec6b6971d60f45f6a877f5ea03b44a5cd9b002f5c0d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "73817162dc88c241c78fec6b6971d60f45f6a877f5ea03b44a5cd9b002f5c0d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73817162dc88c241c78fec6b6971d60f45f6a877f5ea03b44a5cd9b002f5c0d3", kill_on_drop: false }` [INFO] [stdout] 73817162dc88c241c78fec6b6971d60f45f6a877f5ea03b44a5cd9b002f5c0d3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 94fd3479c29c4e163c847d3b976da16556ef3153a81e4b174ab97df1da2eb81b [INFO] running `Command { std: "docker" "start" "-a" "94fd3479c29c4e163c847d3b976da16556ef3153a81e4b174ab97df1da2eb81b", kill_on_drop: false }` [INFO] [stderr] Compiling pkg-config v0.3.26 [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling libdbus-sys v0.2.3 [INFO] [stderr] Compiling dbus v0.9.7 [INFO] [stderr] Compiling dbus-crossroads v0.5.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/stdimpl.rs:97:103 [INFO] [stdout] | [INFO] [stdout] 97 | ga.lock().unwrap().add_reply(self.name.clone(), reply.ok().map(|a| Box::new(a) as Box<(dyn RefArg + Send)>)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 97 - ga.lock().unwrap().add_reply(self.name.clone(), reply.ok().map(|a| Box::new(a) as Box<(dyn RefArg + Send)>)); [INFO] [stdout] 97 + ga.lock().unwrap().add_reply(self.name.clone(), reply.ok().map(|a| Box::new(a) as Box)); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ifacedesc.rs:314:35 [INFO] [stdout] | [INFO] [stdout] 314 | pub (crate) fn get_custom(mut self, mut cb: CB) -> Self [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ifacedesc.rs:413:27 [INFO] [stdout] | [INFO] [stdout] 413 | pub fn set_custom(mut self, mut cb: CB) -> Self [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ifacedesc.rs:503:51 [INFO] [stdout] | [INFO] [stdout] 503 | pub fn property>(&mut self, name: N) -> PropBuilder { [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] 503 | pub fn property>(&mut self, name: N) -> PropBuilder<'_, T, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ifacedesc.rs:598:25 [INFO] [stdout] | [INFO] [stdout] 598 | pub fn signal(&mut self, name: N, args: A::strs) -> SignalBuilder [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 598 | pub fn signal(&mut self, name: N, args: A::strs) -> SignalBuilder<'_, A> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.46s [INFO] running `Command { std: "docker" "inspect" "94fd3479c29c4e163c847d3b976da16556ef3153a81e4b174ab97df1da2eb81b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94fd3479c29c4e163c847d3b976da16556ef3153a81e4b174ab97df1da2eb81b", kill_on_drop: false }` [INFO] [stdout] 94fd3479c29c4e163c847d3b976da16556ef3153a81e4b174ab97df1da2eb81b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4f4418d763852a4b86b5c9abb830d03c41786d548582c3c62a16522472e7435c [INFO] running `Command { std: "docker" "start" "-a" "4f4418d763852a4b86b5c9abb830d03c41786d548582c3c62a16522472e7435c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.49 [INFO] [stderr] Compiling quote v1.0.23 [INFO] [stderr] Compiling unicode-ident v1.0.6 [INFO] [stderr] Compiling syn v1.0.107 [INFO] [stderr] Compiling pin-project-lite v0.2.9 [INFO] [stderr] Compiling tokio v1.24.1 [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/stdimpl.rs:97:103 [INFO] [stdout] | [INFO] [stdout] 97 | ga.lock().unwrap().add_reply(self.name.clone(), reply.ok().map(|a| Box::new(a) as Box<(dyn RefArg + Send)>)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 97 - ga.lock().unwrap().add_reply(self.name.clone(), reply.ok().map(|a| Box::new(a) as Box<(dyn RefArg + Send)>)); [INFO] [stdout] 97 + ga.lock().unwrap().add_reply(self.name.clone(), reply.ok().map(|a| Box::new(a) as Box)); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ifacedesc.rs:314:35 [INFO] [stdout] | [INFO] [stdout] 314 | pub (crate) fn get_custom(mut self, mut cb: CB) -> Self [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ifacedesc.rs:413:27 [INFO] [stdout] | [INFO] [stdout] 413 | pub fn set_custom(mut self, mut cb: CB) -> Self [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ifacedesc.rs:503:51 [INFO] [stdout] | [INFO] [stdout] 503 | pub fn property>(&mut self, name: N) -> PropBuilder { [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] 503 | pub fn property>(&mut self, name: N) -> PropBuilder<'_, T, A> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ifacedesc.rs:598:25 [INFO] [stdout] | [INFO] [stdout] 598 | pub fn signal(&mut self, name: N, args: A::strs) -> SignalBuilder [INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here ^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 598 | pub fn signal(&mut self, name: N, args: A::strs) -> SignalBuilder<'_, A> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling tokio-macros v1.8.2 [INFO] [stderr] Compiling dbus-crossroads v0.5.2 (/opt/rustwide/workdir) [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `dbus_tokio` [INFO] [stdout] --> src/test.rs:258:27 [INFO] [stdout] | [INFO] [stdout] 258 | let (resource, bus) = dbus_tokio::connection::new_session_sync().unwrap(); [INFO] [stdout] | ^^^^^^^^^^ use of unresolved module or unlinked crate `dbus_tokio` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `dbus_tokio`, use `cargo add dbus_tokio` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `dbus_tokio` [INFO] [stdout] --> src/test.rs:357:27 [INFO] [stdout] | [INFO] [stdout] 357 | let (resource, bus) = dbus_tokio::connection::new_session_sync().unwrap(); [INFO] [stdout] | ^^^^^^^^^^ use of unresolved module or unlinked crate `dbus_tokio` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `dbus_tokio`, use `cargo add dbus_tokio` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `dbus_tokio` [INFO] [stdout] --> src/test.rs:395:27 [INFO] [stdout] | [INFO] [stdout] 395 | let (resource, bus) = dbus_tokio::connection::new_session_sync().unwrap(); [INFO] [stdout] | ^^^^^^^^^^ use of unresolved module or unlinked crate `dbus_tokio` [INFO] [stdout] | [INFO] [stdout] = help: if you wanted to use a crate named `dbus_tokio`, use `cargo add dbus_tokio` to add it to your `Cargo.toml` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: could not find `nonblock` in `dbus` [INFO] [stdout] --> src/test.rs:286:23 [INFO] [stdout] | [INFO] [stdout] 286 | let proxy = dbus::nonblock::Proxy::new("com.example.dbusrs.objmgr_asyncprop", "/", Duration::from_secs(5), bus); [INFO] [stdout] | ^^^^^^^^ could not find `nonblock` in `dbus` [INFO] [stdout] | [INFO] [stdout] note: found an item that was configured out [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/dbus-0.9.7/src/lib.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 40 | #[cfg(feature = "futures")] [INFO] [stdout] | ------------------- the item is gated behind the `futures` feature [INFO] [stdout] 41 | pub mod nonblock; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 1 + use dbus::blocking::Proxy; [INFO] [stdout] | [INFO] [stdout] help: if you import `Proxy`, refer to it directly [INFO] [stdout] | [INFO] [stdout] 286 - let proxy = dbus::nonblock::Proxy::new("com.example.dbusrs.objmgr_asyncprop", "/", Duration::from_secs(5), bus); [INFO] [stdout] 286 + let proxy = Proxy::new("com.example.dbusrs.objmgr_asyncprop", "/", Duration::from_secs(5), bus); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: could not find `nonblock` in `dbus` [INFO] [stdout] --> src/test.rs:380:23 [INFO] [stdout] | [INFO] [stdout] 380 | let proxy = dbus::nonblock::Proxy::new("com.example.dbusrs.properties", "/", Duration::from_secs(3600), bus); [INFO] [stdout] | ^^^^^^^^ could not find `nonblock` in `dbus` [INFO] [stdout] | [INFO] [stdout] note: found an item that was configured out [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/dbus-0.9.7/src/lib.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 40 | #[cfg(feature = "futures")] [INFO] [stdout] | ------------------- the item is gated behind the `futures` feature [INFO] [stdout] 41 | pub mod nonblock; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 1 + use dbus::blocking::Proxy; [INFO] [stdout] | [INFO] [stdout] help: if you import `Proxy`, refer to it directly [INFO] [stdout] | [INFO] [stdout] 380 - let proxy = dbus::nonblock::Proxy::new("com.example.dbusrs.properties", "/", Duration::from_secs(3600), bus); [INFO] [stdout] 380 + let proxy = Proxy::new("com.example.dbusrs.properties", "/", Duration::from_secs(3600), bus); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: could not find `nonblock` in `dbus` [INFO] [stdout] --> src/test.rs:424:23 [INFO] [stdout] | [INFO] [stdout] 424 | let proxy = dbus::nonblock::Proxy::new("com.example.dbusrs.properties2", "/", Duration::from_secs(5), bus); [INFO] [stdout] | ^^^^^^^^ could not find `nonblock` in `dbus` [INFO] [stdout] | [INFO] [stdout] note: found an item that was configured out [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/dbus-0.9.7/src/lib.rs:41:9 [INFO] [stdout] | [INFO] [stdout] 40 | #[cfg(feature = "futures")] [INFO] [stdout] | ------------------- the item is gated behind the `futures` feature [INFO] [stdout] 41 | pub mod nonblock; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 1 + use dbus::blocking::Proxy; [INFO] [stdout] | [INFO] [stdout] help: if you import `Proxy`, refer to it directly [INFO] [stdout] | [INFO] [stdout] 424 - let proxy = dbus::nonblock::Proxy::new("com.example.dbusrs.properties2", "/", Duration::from_secs(5), bus); [INFO] [stdout] 424 + let proxy = Proxy::new("com.example.dbusrs.properties2", "/", Duration::from_secs(5), bus); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/stdimpl.rs:97:103 [INFO] [stdout] | [INFO] [stdout] 97 | ga.lock().unwrap().add_reply(self.name.clone(), reply.ok().map(|a| Box::new(a) as Box<(dyn RefArg + Send)>)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 97 - ga.lock().unwrap().add_reply(self.name.clone(), reply.ok().map(|a| Box::new(a) as Box<(dyn RefArg + Send)>)); [INFO] [stdout] 97 + ga.lock().unwrap().add_reply(self.name.clone(), reply.ok().map(|a| Box::new(a) as Box)); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ifacedesc.rs:314:35 [INFO] [stdout] | [INFO] [stdout] 314 | pub (crate) fn get_custom(mut self, mut cb: CB) -> Self [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ifacedesc.rs:413:27 [INFO] [stdout] | [INFO] [stdout] 413 | pub fn set_custom(mut self, mut cb: CB) -> Self [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0433`. [INFO] [stdout] [INFO] [stderr] error: could not compile `dbus-crossroads` (lib test) due to 6 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "4f4418d763852a4b86b5c9abb830d03c41786d548582c3c62a16522472e7435c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f4418d763852a4b86b5c9abb830d03c41786d548582c3c62a16522472e7435c", kill_on_drop: false }` [INFO] [stdout] 4f4418d763852a4b86b5c9abb830d03c41786d548582c3c62a16522472e7435c