[INFO] cloning repository https://github.com/Moret84/rust-mutex-bug-mwe [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Moret84/rust-mutex-bug-mwe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoret84%2Frust-mutex-bug-mwe", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoret84%2Frust-mutex-bug-mwe'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2eab753d9432cc0334dea862c9acf0cf7dc57ead [INFO] testing Moret84/rust-mutex-bug-mwe against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMoret84%2Frust-mutex-bug-mwe" "/workspace/builds/worker-119/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-119/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Moret84/rust-mutex-bug-mwe on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Moret84/rust-mutex-bug-mwe [INFO] finished tweaking git repo https://github.com/Moret84/rust-mutex-bug-mwe [INFO] tweaked toml for git repo https://github.com/Moret84/rust-mutex-bug-mwe written to /workspace/builds/worker-119/source/Cargo.toml [INFO] crate git repo https://github.com/Moret84/rust-mutex-bug-mwe already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded failure_derive v0.1.7 [INFO] [stderr] Downloaded num-complex v0.2.4 [INFO] [stderr] Downloaded objc v0.2.7 [INFO] [stderr] Downloaded syn v1.0.17 [INFO] [stderr] Downloaded mio v0.6.21 [INFO] [stderr] Downloaded smallvec v1.2.0 [INFO] [stderr] Downloaded cc v1.0.50 [INFO] [stderr] Downloaded futures-task v0.3.4 [INFO] [stderr] Downloaded mio-uds v0.6.7 [INFO] [stderr] Downloaded num-traits v0.1.43 [INFO] [stderr] Downloaded quote v1.0.3 [INFO] [stderr] Downloaded crossbeam-deque v0.7.3 [INFO] [stderr] Downloaded crossbeam-utils v0.7.2 [INFO] [stderr] Downloaded crossbeam-epoch v0.8.2 [INFO] [stderr] Downloaded async-std v1.5.0 [INFO] [stderr] Downloaded nix v0.17.0 [INFO] [stderr] Downloaded hermit-abi v0.1.8 [INFO] [stderr] Downloaded pin-project-lite v0.1.4 [INFO] [stderr] Downloaded futures-macro v0.3.4 [INFO] [stderr] Downloaded core-foundation v0.7.0 [INFO] [stderr] Downloaded once_cell v1.3.1 [INFO] [stderr] Downloaded futures-channel v0.3.4 [INFO] [stderr] Downloaded futures-sink v0.3.4 [INFO] [stderr] Downloaded async-task v1.3.1 [INFO] [stderr] Downloaded crossbeam-channel v0.4.2 [INFO] [stderr] Downloaded parking_lot_core v0.7.0 [INFO] [stderr] Downloaded net2 v0.2.33 [INFO] [stderr] Downloaded lock_api v0.3.3 [INFO] [stderr] Downloaded backtrace v0.3.46 [INFO] [stderr] Downloaded kv-log-macro v1.0.4 [INFO] [stderr] Downloaded cocoa v0.20.0 [INFO] [stderr] Downloaded proc-macro-hack v0.5.14 [INFO] [stderr] Downloaded memoffset v0.5.4 [INFO] [stderr] Downloaded libc v0.2.68 [INFO] [stderr] Downloaded backtrace-sys v0.1.35 [INFO] [stderr] Downloaded winrt v0.6.0 [INFO] [stderr] Downloaded libdbus-sys v0.2.1 [INFO] [stderr] Downloaded futures-util v0.3.4 [INFO] [stderr] Downloaded nom v4.2.2 [INFO] [stderr] Downloaded futures-timer v2.0.2 [INFO] [stderr] Downloaded dbus v0.8.2 [INFO] [stderr] Downloaded num_cpus v1.12.0 [INFO] [stderr] Downloaded futures-core v0.3.4 [INFO] [stderr] Downloaded core-foundation-sys v0.7.0 [INFO] [stderr] Downloaded synstructure v0.12.3 [INFO] [stderr] Downloaded num-bigint v0.2.6 [INFO] [stderr] Downloaded proc-macro2 v1.0.9 [INFO] [stderr] Downloaded num-rational v0.2.4 [INFO] [stderr] Downloaded enum_primitive v0.1.1 [INFO] [stderr] Downloaded iovec v0.1.2 [INFO] [stderr] Downloaded num-iter v0.1.40 [INFO] [stderr] Downloaded num v0.2.1 [INFO] [stderr] Downloaded parking_lot v0.10.0 [INFO] [stderr] Downloaded broadcaster v1.0.0 [INFO] [stderr] Downloaded futures-io v0.3.4 [INFO] [stderr] Downloaded pin-utils v0.1.0-alpha.4 [INFO] [stderr] Downloaded core-graphics v0.19.0 [INFO] [stderr] Downloaded rustc-demangle v0.1.13 [INFO] [stderr] Downloaded failure v0.1.7 [INFO] [stderr] Downloaded btleplug v0.4.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 584f8557b54017b3615dcb5ed3eb03f46b05693bc5ee356cb304a32823130faa [INFO] running `Command { std: "docker" "start" "-a" "584f8557b54017b3615dcb5ed3eb03f46b05693bc5ee356cb304a32823130faa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "584f8557b54017b3615dcb5ed3eb03f46b05693bc5ee356cb304a32823130faa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "584f8557b54017b3615dcb5ed3eb03f46b05693bc5ee356cb304a32823130faa", kill_on_drop: false }` [INFO] [stdout] 584f8557b54017b3615dcb5ed3eb03f46b05693bc5ee356cb304a32823130faa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f04e1bb1bbe03bb8dbc3f51c839374b151b0a885afdc41e612cf60e65213102d [INFO] running `Command { std: "docker" "start" "-a" "f04e1bb1bbe03bb8dbc3f51c839374b151b0a885afdc41e612cf60e65213102d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling proc-macro-hack v0.5.14 [INFO] [stderr] Compiling futures-core v0.3.4 [INFO] [stderr] Compiling futures-sink v0.3.4 [INFO] [stderr] Compiling smallvec v1.2.0 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling failure_derive v0.1.7 [INFO] [stderr] Compiling futures-task v0.3.4 [INFO] [stderr] Compiling winapi v0.3.8 [INFO] [stderr] Compiling nix v0.17.0 [INFO] [stderr] Compiling rustc-demangle v0.1.13 [INFO] [stderr] Compiling futures-timer v2.0.2 [INFO] [stderr] Compiling once_cell v1.3.1 [INFO] [stderr] Compiling pin-project-lite v0.1.4 [INFO] [stderr] Compiling futures-io v0.3.4 [INFO] [stderr] Compiling uuid v0.8.1 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling backtrace-sys v0.1.35 [INFO] [stderr] Compiling libdbus-sys v0.2.1 [INFO] [stderr] Compiling lock_api v0.3.3 [INFO] [stderr] Compiling futures-channel v0.3.4 [INFO] [stderr] Compiling kv-log-macro v1.0.4 [INFO] [stderr] Compiling winrt v0.6.0 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling parking_lot_core v0.7.0 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling async-task v1.3.1 [INFO] [stderr] Compiling dbus v0.8.2 [INFO] [stderr] Compiling backtrace v0.3.46 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling nom v4.2.2 [INFO] [stderr] Compiling crossbeam-channel v0.4.2 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling parking_lot v0.10.0 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling num v0.2.1 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling failure v0.1.7 [INFO] [stderr] Compiling futures-util v0.3.4 [INFO] [stderr] Compiling broadcaster v1.0.0 [INFO] [stderr] Compiling async-std v1.5.0 [INFO] [stderr] Compiling btleplug v0.4.1 [INFO] [stderr] Compiling ble_temp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/dbus_ble/dbus_ble_repo.rs:39:17 [INFO] [stdout] | [INFO] [stdout] 39 | connection.lock().unwrap().process(Duration::from_secs(1)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3m 06s [INFO] running `Command { std: "docker" "inspect" "f04e1bb1bbe03bb8dbc3f51c839374b151b0a885afdc41e612cf60e65213102d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f04e1bb1bbe03bb8dbc3f51c839374b151b0a885afdc41e612cf60e65213102d", kill_on_drop: false }` [INFO] [stdout] f04e1bb1bbe03bb8dbc3f51c839374b151b0a885afdc41e612cf60e65213102d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5b88cd9367fede8bf32d67be6a0dcae1e54855ca0af5cb49aac29eae83191b14 [INFO] running `Command { std: "docker" "start" "-a" "5b88cd9367fede8bf32d67be6a0dcae1e54855ca0af5cb49aac29eae83191b14", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling ble_temp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/dbus_ble/dbus_ble_repo.rs:39:17 [INFO] [stdout] | [INFO] [stdout] 39 | connection.lock().unwrap().process(Duration::from_secs(1)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 21.23s [INFO] running `Command { std: "docker" "inspect" "5b88cd9367fede8bf32d67be6a0dcae1e54855ca0af5cb49aac29eae83191b14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b88cd9367fede8bf32d67be6a0dcae1e54855ca0af5cb49aac29eae83191b14", kill_on_drop: false }` [INFO] [stdout] 5b88cd9367fede8bf32d67be6a0dcae1e54855ca0af5cb49aac29eae83191b14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1138258a76b57022da59b8566bf73848f1694ff1fabb3d1fa872de13adf9c128 [INFO] running `Command { std: "docker" "start" "-a" "1138258a76b57022da59b8566bf73848f1694ff1fabb3d1fa872de13adf9c128", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/dbus_ble/dbus_ble_repo.rs:39:17 [INFO] [stderr] | [INFO] [stderr] 39 | connection.lock().unwrap().process(Duration::from_secs(1)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `ble_temp` (bin "ble_temp" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.90s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ble_temp-2559a29e06a23663) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1138258a76b57022da59b8566bf73848f1694ff1fabb3d1fa872de13adf9c128", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1138258a76b57022da59b8566bf73848f1694ff1fabb3d1fa872de13adf9c128", kill_on_drop: false }` [INFO] [stdout] 1138258a76b57022da59b8566bf73848f1694ff1fabb3d1fa872de13adf9c128