[INFO] cloning repository https://github.com/shiro/jack-nerd-mixer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shiro/jack-nerd-mixer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshiro%2Fjack-nerd-mixer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshiro%2Fjack-nerd-mixer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 55de58eae4af735703e7d84f35befc0167a30eeb [INFO] checking shiro/jack-nerd-mixer against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshiro%2Fjack-nerd-mixer" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shiro/jack-nerd-mixer on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shiro/jack-nerd-mixer [INFO] finished tweaking git repo https://github.com/shiro/jack-nerd-mixer [INFO] tweaked toml for git repo https://github.com/shiro/jack-nerd-mixer written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/shiro/jack-nerd-mixer 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating git repository `https://github.com/RustAudio/rust-jack.git` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded dbus v0.8.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c28deea0f5efb3bcd66377412678daaf8247bd59170c7cee5e14ef2347be893f [INFO] running `Command { std: "docker" "start" "-a" "c28deea0f5efb3bcd66377412678daaf8247bd59170c7cee5e14ef2347be893f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c28deea0f5efb3bcd66377412678daaf8247bd59170c7cee5e14ef2347be893f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c28deea0f5efb3bcd66377412678daaf8247bd59170c7cee5e14ef2347be893f", kill_on_drop: false }` [INFO] [stdout] c28deea0f5efb3bcd66377412678daaf8247bd59170c7cee5e14ef2347be893f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7dc44d531fc94aa777e96616d610098473fc6e6633e9d8db332a7fce4f6f5dbc [INFO] running `Command { std: "docker" "start" "-a" "7dc44d531fc94aa777e96616d610098473fc6e6633e9d8db332a7fce4f6f5dbc", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling libloading v0.4.3 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking strsim v0.9.3 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.12 [INFO] [stderr] Compiling proc-macro-error v0.4.12 [INFO] [stderr] Compiling libdbus-sys v0.2.1 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking jack-sys v0.2.0 (https://github.com/RustAudio/rust-jack.git#95a3b192) [INFO] [stderr] Checking dbus v0.8.2 [INFO] [stderr] Checking jack v0.6.2 (https://github.com/RustAudio/rust-jack.git#95a3b192) [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.1 (https://github.com/clap-rs/clap/#37889c66) [INFO] [stderr] Checking clap v3.0.0-beta.1 (https://github.com/clap-rs/clap/#37889c66) [INFO] [stderr] Checking jack-nerd-mixer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `dbus::channel::Channel` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use dbus::channel::Channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `dbus::channel::Channel` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use dbus::channel::Channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `app_state` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | app_state: Arc>, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_app_state` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `app_state` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | app_state: Arc>, [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_app_state` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.11s [INFO] running `Command { std: "docker" "inspect" "7dc44d531fc94aa777e96616d610098473fc6e6633e9d8db332a7fce4f6f5dbc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7dc44d531fc94aa777e96616d610098473fc6e6633e9d8db332a7fce4f6f5dbc", kill_on_drop: false }` [INFO] [stdout] 7dc44d531fc94aa777e96616d610098473fc6e6633e9d8db332a7fce4f6f5dbc [INFO] checking shiro/jack-nerd-mixer against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshiro%2Fjack-nerd-mixer" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shiro/jack-nerd-mixer on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shiro/jack-nerd-mixer [INFO] finished tweaking git repo https://github.com/shiro/jack-nerd-mixer [INFO] tweaked toml for git repo https://github.com/shiro/jack-nerd-mixer written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/shiro/jack-nerd-mixer 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5bc0f35f801892a82762af795866c3ea9e13db1671eb4f8db5cf1c2f51b594ea [INFO] running `Command { std: "docker" "start" "-a" "5bc0f35f801892a82762af795866c3ea9e13db1671eb4f8db5cf1c2f51b594ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5bc0f35f801892a82762af795866c3ea9e13db1671eb4f8db5cf1c2f51b594ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5bc0f35f801892a82762af795866c3ea9e13db1671eb4f8db5cf1c2f51b594ea", kill_on_drop: false }` [INFO] [stdout] 5bc0f35f801892a82762af795866c3ea9e13db1671eb4f8db5cf1c2f51b594ea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 02d72e7e7ff0995ed058c583c8e12521c596a7f6fbb5b814662fb2254944d51c [INFO] running `Command { std: "docker" "start" "-a" "02d72e7e7ff0995ed058c583c8e12521c596a7f6fbb5b814662fb2254944d51c", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling libloading v0.4.3 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking strsim v0.9.3 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.12 [INFO] [stderr] Compiling proc-macro-error v0.4.12 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling libdbus-sys v0.2.1 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking jack-sys v0.2.0 (https://github.com/RustAudio/rust-jack.git#95a3b192) [INFO] [stderr] Checking dbus v0.8.2 [INFO] [stderr] Checking jack v0.6.2 (https://github.com/RustAudio/rust-jack.git#95a3b192) [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.1 (https://github.com/clap-rs/clap/#37889c66) [INFO] [stderr] Checking clap v3.0.0-beta.1 (https://github.com/clap-rs/clap/#37889c66) [INFO] [stderr] Checking jack-nerd-mixer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `dbus::channel::Channel` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use dbus::channel::Channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `dbus::channel::Channel` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use dbus::channel::Channel; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `!: ReadAll` is not satisfied [INFO] [stdout] --> src/main.rs:31:11 [INFO] [stdout] | [INFO] [stdout] 31 | proxy.method_call(dbus_path, "Hello", ())?; [INFO] [stdout] | ^^^^^^^^^^^ the trait `ReadAll` is not implemented for `!` [INFO] [stdout] | [INFO] [stdout] = help: the following other types implement trait `ReadAll`: [INFO] [stdout] () [INFO] [stdout] (A, B) [INFO] [stdout] (A, B, C) [INFO] [stdout] (A, B, C, D) [INFO] [stdout] (A, B, C, D, E) [INFO] [stdout] (A, B, C, D, E, F) [INFO] [stdout] (A, B, C, D, E, F, G) [INFO] [stdout] (A, B, C, D, E, F, G, H) [INFO] [stdout] and 12 others [INFO] [stdout] = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #48950 for more information) [INFO] [stdout] = help: did you intend to use the type `()` here instead? [INFO] [stdout] note: required by a bound in `Proxy::<'a, C>::method_call` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/dbus-0.8.2/src/blocking.rs:246:35 [INFO] [stdout] | [INFO] [stdout] 246 | pub fn method_call<'i, 'm, R: ReadAll, A: AppendAll, I: Into>, M: Into>>(&self, i: I, m: M, args: A) -> Resu... [INFO] [stdout] | ^^^^^^^ required by this bound in `Proxy::<'a, C>::method_call` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `!: ReadAll` is not satisfied [INFO] [stdout] --> src/main.rs:31:11 [INFO] [stdout] | [INFO] [stdout] 31 | proxy.method_call(dbus_path, "Hello", ())?; [INFO] [stdout] | ^^^^^^^^^^^ the trait `ReadAll` is not implemented for `!` [INFO] [stdout] | [INFO] [stdout] = help: the following other types implement trait `ReadAll`: [INFO] [stdout] () [INFO] [stdout] (A, B) [INFO] [stdout] (A, B, C) [INFO] [stdout] (A, B, C, D) [INFO] [stdout] (A, B, C, D, E) [INFO] [stdout] (A, B, C, D, E, F) [INFO] [stdout] (A, B, C, D, E, F, G) [INFO] [stdout] (A, B, C, D, E, F, G, H) [INFO] [stdout] and 12 others [INFO] [stdout] = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #48950 for more information) [INFO] [stdout] = help: did you intend to use the type `()` here instead? [INFO] [stdout] note: required by a bound in `Proxy::<'a, C>::method_call` [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/dbus-0.8.2/src/blocking.rs:246:35 [INFO] [stdout] | [INFO] [stdout] 246 | pub fn method_call<'i, 'm, R: ReadAll, A: AppendAll, I: Into>, M: Into>>(&self, i: I, m: M, args: A) -> Resu... [INFO] [stdout] | ^^^^^^^ required by this bound in `Proxy::<'a, C>::method_call` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] [INFO] [stderr] error: could not compile `jack-nerd-mixer` (bin "jack-nerd-mixer" test) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `jack-nerd-mixer` (bin "jack-nerd-mixer") due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "02d72e7e7ff0995ed058c583c8e12521c596a7f6fbb5b814662fb2254944d51c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02d72e7e7ff0995ed058c583c8e12521c596a7f6fbb5b814662fb2254944d51c", kill_on_drop: false }` [INFO] [stdout] 02d72e7e7ff0995ed058c583c8e12521c596a7f6fbb5b814662fb2254944d51c