[INFO] fetching crate padlock 0.2.0... [INFO] testing padlock-0.2.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate padlock 0.2.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate padlock 0.2.0 [INFO] finished tweaking crates.io crate padlock 0.2.0 [INFO] tweaked toml for crates.io crate padlock 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate padlock 0.2.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate padlock 0.2.0 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0dd3dc03612acc7e07707a5cefda260eb13e6d1e612c99319a43f256111b7549 [INFO] running `Command { std: "docker" "start" "-a" "0dd3dc03612acc7e07707a5cefda260eb13e6d1e612c99319a43f256111b7549", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0dd3dc03612acc7e07707a5cefda260eb13e6d1e612c99319a43f256111b7549", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0dd3dc03612acc7e07707a5cefda260eb13e6d1e612c99319a43f256111b7549", kill_on_drop: false }` [INFO] [stdout] 0dd3dc03612acc7e07707a5cefda260eb13e6d1e612c99319a43f256111b7549 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2a62974e2e7cc1e256248116d91442d24ad7662df1e8066f2bd7d4de870478a8 [INFO] running `Command { std: "docker" "start" "-a" "2a62974e2e7cc1e256248116d91442d24ad7662df1e8066f2bd7d4de870478a8", kill_on_drop: false }` [INFO] [stderr] Compiling padlock v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/mutex.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | atomic::spin_loop_hint [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/mutex.rs:37:23 [INFO] [stdout] | [INFO] [stdout] 37 | Err(_) => spin_loop_hint() [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/mutex.rs:58:23 [INFO] [stdout] | [INFO] [stdout] 58 | Err(_) => spin_loop_hint() [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/rw_read.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | atomic::spin_loop_hint [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/rw_read.rs:30:23 [INFO] [stdout] | [INFO] [stdout] 30 | Err(_) => spin_loop_hint() [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/rw_read.rs:53:23 [INFO] [stdout] | [INFO] [stdout] 53 | Err(_) => spin_loop_hint() [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/rw_write.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | atomic::spin_loop_hint [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/rw_write.rs:37:23 [INFO] [stdout] | [INFO] [stdout] 37 | Err(_) => spin_loop_hint() [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/rw_write.rs:58:23 [INFO] [stdout] | [INFO] [stdout] 58 | Err(_) => spin_loop_hint() [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/mutex.rs:33:17 [INFO] [stdout] | [INFO] [stdout] 33 | drop(lock); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut std::sync::MutexGuard<'_, T>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 33 - drop(lock); [INFO] [stdout] 33 + let _ = lock; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/rw_write.rs:33:17 [INFO] [stdout] | [INFO] [stdout] 33 | drop(lock); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut std::sync::RwLockWriteGuard<'_, T>` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 33 - drop(lock); [INFO] [stdout] 33 + let _ = lock; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s [INFO] running `Command { std: "docker" "inspect" "2a62974e2e7cc1e256248116d91442d24ad7662df1e8066f2bd7d4de870478a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a62974e2e7cc1e256248116d91442d24ad7662df1e8066f2bd7d4de870478a8", kill_on_drop: false }` [INFO] [stdout] 2a62974e2e7cc1e256248116d91442d24ad7662df1e8066f2bd7d4de870478a8 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 021f0aa53bb215d6e7883675d960f6d553ef45075867f2e2c1458c1fadfad560 [INFO] running `Command { std: "docker" "start" "-a" "021f0aa53bb215d6e7883675d960f6d553ef45075867f2e2c1458c1fadfad560", kill_on_drop: false }` [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/mutex.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | atomic::spin_loop_hint [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/mutex.rs:37:23 [INFO] [stdout] | [INFO] [stdout] 37 | Err(_) => spin_loop_hint() [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/mutex.rs:58:23 [INFO] [stdout] | [INFO] [stdout] 58 | Err(_) => spin_loop_hint() [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/rw_read.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | atomic::spin_loop_hint [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/rw_read.rs:30:23 [INFO] [stdout] | [INFO] [stdout] 30 | Err(_) => spin_loop_hint() [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/rw_read.rs:53:23 [INFO] [stdout] | [INFO] [stdout] 53 | Err(_) => spin_loop_hint() [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/rw_write.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | atomic::spin_loop_hint [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/rw_write.rs:37:23 [INFO] [stdout] | [INFO] [stdout] 37 | Err(_) => spin_loop_hint() [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/rw_write.rs:58:23 [INFO] [stdout] | [INFO] [stdout] 58 | Err(_) => spin_loop_hint() [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/mutex.rs:33:17 [INFO] [stdout] | [INFO] [stdout] 33 | drop(lock); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut std::sync::MutexGuard<'_, T>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 33 - drop(lock); [INFO] [stdout] 33 + let _ = lock; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/rw_write.rs:33:17 [INFO] [stdout] | [INFO] [stdout] 33 | drop(lock); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut std::sync::RwLockWriteGuard<'_, T>` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 33 - drop(lock); [INFO] [stdout] 33 + let _ = lock; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling padlock v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/mutex.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | atomic::spin_loop_hint [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/mutex.rs:37:23 [INFO] [stdout] | [INFO] [stdout] 37 | Err(_) => spin_loop_hint() [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/mutex.rs:58:23 [INFO] [stdout] | [INFO] [stdout] 58 | Err(_) => spin_loop_hint() [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/rw_read.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | atomic::spin_loop_hint [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/rw_read.rs:30:23 [INFO] [stdout] | [INFO] [stdout] 30 | Err(_) => spin_loop_hint() [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/rw_read.rs:53:23 [INFO] [stdout] | [INFO] [stdout] 53 | Err(_) => spin_loop_hint() [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/rw_write.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | atomic::spin_loop_hint [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/rw_write.rs:37:23 [INFO] [stdout] | [INFO] [stdout] 37 | Err(_) => spin_loop_hint() [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stdout] --> src/rw_write.rs:58:23 [INFO] [stdout] | [INFO] [stdout] 58 | Err(_) => spin_loop_hint() [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/mutex.rs:33:17 [INFO] [stdout] | [INFO] [stdout] 33 | drop(lock); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut std::sync::MutexGuard<'_, T>` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 33 - drop(lock); [INFO] [stdout] 33 + let _ = lock; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/rw_write.rs:33:17 [INFO] [stdout] | [INFO] [stdout] 33 | drop(lock); [INFO] [stdout] | ^^^^^----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&mut std::sync::RwLockWriteGuard<'_, T>` [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 33 - drop(lock); [INFO] [stdout] 33 + let _ = lock; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `age` and `name` are never read [INFO] [stdout] --> examples/mutex.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 9 | struct Person { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 10 | age: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] 11 | name: String [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Person` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s [INFO] running `Command { std: "docker" "inspect" "021f0aa53bb215d6e7883675d960f6d553ef45075867f2e2c1458c1fadfad560", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "021f0aa53bb215d6e7883675d960f6d553ef45075867f2e2c1458c1fadfad560", kill_on_drop: false }` [INFO] [stdout] 021f0aa53bb215d6e7883675d960f6d553ef45075867f2e2c1458c1fadfad560 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 67186b725ef3a570113a275eee688a8f03be3e0a422953365aa283831994e632 [INFO] running `Command { std: "docker" "start" "-a" "67186b725ef3a570113a275eee688a8f03be3e0a422953365aa283831994e632", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stderr] --> src/mutex.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | atomic::spin_loop_hint [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stderr] --> src/mutex.rs:37:23 [INFO] [stderr] | [INFO] [stderr] 37 | Err(_) => spin_loop_hint() [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stderr] --> src/mutex.rs:58:23 [INFO] [stderr] | [INFO] [stderr] 58 | Err(_) => spin_loop_hint() [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stderr] --> src/rw_read.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | atomic::spin_loop_hint [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stderr] --> src/rw_read.rs:30:23 [INFO] [stderr] | [INFO] [stderr] 30 | Err(_) => spin_loop_hint() [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stderr] --> src/rw_read.rs:53:23 [INFO] [stderr] | [INFO] [stderr] 53 | Err(_) => spin_loop_hint() [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stderr] --> src/rw_write.rs:4:13 [INFO] [stderr] | [INFO] [stderr] 4 | atomic::spin_loop_hint [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stderr] --> src/rw_write.rs:37:23 [INFO] [stderr] | [INFO] [stderr] 37 | Err(_) => spin_loop_hint() [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated function `std::sync::atomic::spin_loop_hint`: use hint::spin_loop instead [INFO] [stderr] --> src/rw_write.rs:58:23 [INFO] [stderr] | [INFO] [stderr] 58 | Err(_) => spin_loop_hint() [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stderr] --> src/mutex.rs:33:17 [INFO] [stderr] | [INFO] [stderr] 33 | drop(lock); [INFO] [stderr] | ^^^^^----^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `&mut std::sync::MutexGuard<'_, T>` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dropping_references)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 33 - drop(lock); [INFO] [stderr] 33 + let _ = lock; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stderr] --> src/rw_write.rs:33:17 [INFO] [stderr] | [INFO] [stderr] 33 | drop(lock); [INFO] [stderr] | ^^^^^----^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `&mut std::sync::RwLockWriteGuard<'_, T>` [INFO] [stderr] | [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 33 - drop(lock); [INFO] [stderr] 33 + let _ = lock; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `padlock` (lib) generated 11 warnings [INFO] [stderr] warning: fields `age` and `name` are never read [INFO] [stderr] --> examples/mutex.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 9 | struct Person { [INFO] [stderr] | ------ fields in this struct [INFO] [stderr] 10 | age: u8, [INFO] [stderr] | ^^^ [INFO] [stderr] 11 | name: String [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Person` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `padlock` (example "mutex") generated 1 warning [INFO] [stderr] warning: `padlock` (lib test) generated 11 warnings (11 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/padlock-87c8604147c45ba9) [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] [stderr] Running tests/mutex.rs (/opt/rustwide/target/debug/deps/mutex-cc27be65d555348c) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test get_mutex_lock ... ok [INFO] [stdout] test get_mutex_lock_panic ... ok [INFO] [stdout] test mutex_lock ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/rwlock.rs (/opt/rustwide/target/debug/deps/rwlock-45bb4a9b4b0e49a5) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test get_rw_lock ... ok [INFO] [stdout] test rw_lock ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests padlock [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test src/mutex.rs - mutex::mutex_lock (line 14) ... ignored [INFO] [stdout] test src/mutex.rs - mutex::mutex_lock (line 19) ... ignored [INFO] [stdout] test src/rw_read.rs - rw_read::rw_read_lock (line 12) ... ignored [INFO] [stdout] test src/rw_write.rs - rw_write::rw_write_lock (line 14) ... ignored [INFO] [stdout] test src/rw_write.rs - rw_write::rw_write_lock (line 19) ... ignored [INFO] [stdout] test src/lib.rs - (line 15) - compile ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 5 ignored; 0 measured; 0 filtered out; finished in 0.06s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "67186b725ef3a570113a275eee688a8f03be3e0a422953365aa283831994e632", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67186b725ef3a570113a275eee688a8f03be3e0a422953365aa283831994e632", kill_on_drop: false }` [INFO] [stdout] 67186b725ef3a570113a275eee688a8f03be3e0a422953365aa283831994e632