[INFO] fetching crate audio-device 0.1.0-alpha.6... [INFO] checking audio-device-0.1.0-alpha.6 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate audio-device 0.1.0-alpha.6 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate audio-device 0.1.0-alpha.6 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 crates.io crate audio-device 0.1.0-alpha.6 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate audio-device 0.1.0-alpha.6 [INFO] tweaked toml for crates.io crate audio-device 0.1.0-alpha.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate audio-device 0.1.0-alpha.6 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 crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded signal-hook-registry v1.3.0 [INFO] [stderr] Downloaded tokio-macros v1.1.0 [INFO] [stderr] Downloaded const-sha1 v0.2.0 [INFO] [stderr] Downloaded proc-macro2 v1.0.26 [INFO] [stderr] Downloaded windows v0.8.0 [INFO] [stderr] Downloaded audio-core v0.2.0-alpha.3 [INFO] [stderr] Downloaded rand_chacha v0.3.0 [INFO] [stderr] Downloaded pkg-config v0.3.19 [INFO] [stderr] Downloaded audio v0.2.0-alpha.3 [INFO] [stderr] Downloaded anyhow v1.0.40 [INFO] [stderr] Downloaded audio-device-windows-sys v0.1.0-alpha.1 [INFO] [stderr] Downloaded libc v0.2.93 [INFO] [stderr] Downloaded tokio v1.5.0 [INFO] [stderr] Downloaded nix v0.20.0 [INFO] [stderr] Downloaded syn v1.0.69 [INFO] [stderr] Downloaded getrandom v0.2.2 [INFO] [stderr] Downloaded rand v0.8.3 [INFO] [stderr] Downloaded cc v1.0.67 [INFO] [stderr] Downloaded bytes v1.0.1 [INFO] [stderr] Downloaded memchr v2.3.4 [INFO] [stderr] Downloaded mio v0.7.11 [INFO] [stderr] Downloaded audio-device-alsa-sys v0.1.0-alpha.1 [INFO] [stderr] Downloaded ppv-lite86 v0.2.10 [INFO] [stderr] Downloaded rand_core v0.6.2 [INFO] [stderr] Downloaded rustversion v1.0.4 [INFO] [stderr] Downloaded ste v0.1.0-alpha.9 [INFO] [stderr] Downloaded thiserror v1.0.24 [INFO] [stderr] Downloaded once_cell v1.7.2 [INFO] [stderr] Downloaded lock_api v0.4.3 [INFO] [stderr] Downloaded instant v0.1.9 [INFO] [stderr] Downloaded smallvec v1.6.1 [INFO] [stderr] Downloaded parking_lot_core v0.8.3 [INFO] [stderr] Downloaded parking_lot v0.11.1 [INFO] [stderr] Downloaded pin-project-lite v0.2.6 [INFO] [stderr] Downloaded rand_hc v0.3.0 [INFO] [stderr] Downloaded thiserror-impl v1.0.24 [INFO] [stderr] Downloaded redox_syscall v0.2.6 [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] c8641c72f39153c62320f01dbaa87bd1608e2fee1843d35ddfb75828bbadb1ec [INFO] running `Command { std: "docker" "start" "-a" "c8641c72f39153c62320f01dbaa87bd1608e2fee1843d35ddfb75828bbadb1ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c8641c72f39153c62320f01dbaa87bd1608e2fee1843d35ddfb75828bbadb1ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c8641c72f39153c62320f01dbaa87bd1608e2fee1843d35ddfb75828bbadb1ec", kill_on_drop: false }` [INFO] [stdout] c8641c72f39153c62320f01dbaa87bd1608e2fee1843d35ddfb75828bbadb1ec [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] f0f249c5cad6668b5df09a5462f0569cc551c91e95e9457a02379aca3add8216 [INFO] running `Command { std: "docker" "start" "-a" "f0f249c5cad6668b5df09a5462f0569cc551c91e95e9457a02379aca3add8216", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Compiling tokio v1.5.0 [INFO] [stderr] Checking lock_api v0.4.3 [INFO] [stderr] Checking audio-core v0.2.0-alpha.3 [INFO] [stderr] Checking audio v0.2.0-alpha.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Checking thiserror v1.0.24 [INFO] [stderr] Checking ste v0.1.0-alpha.9 [INFO] [stderr] Checking audio-device v0.1.0-alpha.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `::std::thread` [INFO] [stdout] --> src/loom/mod.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | pub(crate) use ::std::thread; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `::std::sync::Arc` [INFO] [stdout] --> src/loom/sync.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | pub(crate) use ::std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `::std::thread` [INFO] [stdout] --> src/loom/mod.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | pub(crate) use ::std::thread; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `::std::sync::Arc` [INFO] [stdout] --> src/loom/sync.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | pub(crate) use ::std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MutexGuard` is never constructed [INFO] [stdout] --> src/loom/sync.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | pub(crate) struct MutexGuard<'a, T> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Mutex` is never constructed [INFO] [stdout] --> src/loom/sync.rs:23:19 [INFO] [stdout] | [INFO] [stdout] 23 | pub(crate) struct Mutex { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `lock` are never used [INFO] [stdout] --> src/loom/sync.rs:28:19 [INFO] [stdout] | [INFO] [stdout] 27 | impl Mutex { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 28 | pub(crate) fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | pub(crate) fn lock(&self) -> MutexGuard<'_, T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MutexGuard` is never constructed [INFO] [stdout] --> src/loom/sync.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | pub(crate) struct MutexGuard<'a, T> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Mutex` is never constructed [INFO] [stdout] --> src/loom/sync.rs:23:19 [INFO] [stdout] | [INFO] [stdout] 23 | pub(crate) struct Mutex { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `lock` are never used [INFO] [stdout] --> src/loom/sync.rs:28:19 [INFO] [stdout] | [INFO] [stdout] 27 | impl Mutex { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 28 | pub(crate) fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | pub(crate) fn lock(&self) -> MutexGuard<'_, T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.96s [INFO] running `Command { std: "docker" "inspect" "f0f249c5cad6668b5df09a5462f0569cc551c91e95e9457a02379aca3add8216", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f0f249c5cad6668b5df09a5462f0569cc551c91e95e9457a02379aca3add8216", kill_on_drop: false }` [INFO] [stdout] f0f249c5cad6668b5df09a5462f0569cc551c91e95e9457a02379aca3add8216 [INFO] checking audio-device-0.1.0-alpha.6 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate audio-device 0.1.0-alpha.6 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate audio-device 0.1.0-alpha.6 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate audio-device 0.1.0-alpha.6 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate audio-device 0.1.0-alpha.6 [INFO] tweaked toml for crates.io crate audio-device 0.1.0-alpha.6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate audio-device 0.1.0-alpha.6 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 54e65a80206afe636b8c07698b5c10108768a6d49a344baf0700ef2e90c8bd6a [INFO] running `Command { std: "docker" "start" "-a" "54e65a80206afe636b8c07698b5c10108768a6d49a344baf0700ef2e90c8bd6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "54e65a80206afe636b8c07698b5c10108768a6d49a344baf0700ef2e90c8bd6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54e65a80206afe636b8c07698b5c10108768a6d49a344baf0700ef2e90c8bd6a", kill_on_drop: false }` [INFO] [stdout] 54e65a80206afe636b8c07698b5c10108768a6d49a344baf0700ef2e90c8bd6a [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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 15969d8d105994c572e47bddc995d37383495eea4096509f7a5461fa8c2d599e [INFO] running `Command { std: "docker" "start" "-a" "15969d8d105994c572e47bddc995d37383495eea4096509f7a5461fa8c2d599e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking instant v0.1.9 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Checking lock_api v0.4.3 [INFO] [stderr] Compiling tokio v1.5.0 [INFO] [stderr] Checking audio-core v0.2.0-alpha.3 [INFO] [stderr] Checking audio v0.2.0-alpha.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking signal-hook-registry v1.3.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling tokio-macros v1.1.0 [INFO] [stderr] Checking thiserror v1.0.24 [INFO] [stderr] Checking ste v0.1.0-alpha.9 [INFO] [stderr] Checking audio-device v0.1.0-alpha.6 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `::std::thread` [INFO] [stdout] --> src/loom/mod.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | pub(crate) use ::std::thread; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `::std::sync::Arc` [INFO] [stdout] --> src/loom/sync.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | pub(crate) use ::std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `::std::thread` [INFO] [stdout] --> src/loom/mod.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | pub(crate) use ::std::thread; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `::std::sync::Arc` [INFO] [stdout] --> src/loom/sync.rs:2:16 [INFO] [stdout] | [INFO] [stdout] 2 | pub(crate) use ::std::sync::Arc; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MutexGuard` is never constructed [INFO] [stdout] --> src/loom/sync.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | pub(crate) struct MutexGuard<'a, T> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MutexGuard` is never constructed [INFO] [stdout] --> src/loom/sync.rs:5:19 [INFO] [stdout] | [INFO] [stdout] 5 | pub(crate) struct MutexGuard<'a, T> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Mutex` is never constructed [INFO] [stdout] --> src/loom/sync.rs:23:19 [INFO] [stdout] | [INFO] [stdout] 23 | pub(crate) struct Mutex { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Mutex` is never constructed [INFO] [stdout] --> src/loom/sync.rs:23:19 [INFO] [stdout] | [INFO] [stdout] 23 | pub(crate) struct Mutex { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `lock` are never used [INFO] [stdout] --> src/loom/sync.rs:28:19 [INFO] [stdout] | [INFO] [stdout] 27 | impl Mutex { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 28 | pub(crate) fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | pub(crate) fn lock(&self) -> MutexGuard<'_, T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `lock` are never used [INFO] [stdout] --> src/loom/sync.rs:28:19 [INFO] [stdout] | [INFO] [stdout] 27 | impl Mutex { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] 28 | pub(crate) fn new(value: T) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 34 | pub(crate) fn lock(&self) -> MutexGuard<'_, T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.93s [INFO] running `Command { std: "docker" "inspect" "15969d8d105994c572e47bddc995d37383495eea4096509f7a5461fa8c2d599e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15969d8d105994c572e47bddc995d37383495eea4096509f7a5461fa8c2d599e", kill_on_drop: false }` [INFO] [stdout] 15969d8d105994c572e47bddc995d37383495eea4096509f7a5461fa8c2d599e