[INFO] fetching crate refreshable 1.0.1... [INFO] testing refreshable-1.0.1 against 1.55.0 for beta-1.56-1 [INFO] extracting crate refreshable 1.0.1 into /workspace/builds/worker-75/source [INFO] validating manifest of crates.io crate refreshable 1.0.1 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate refreshable 1.0.1 [INFO] finished tweaking crates.io crate refreshable 1.0.1 [INFO] tweaked toml for crates.io crate refreshable 1.0.1 written to /workspace/builds/worker-75/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fcde517da4bb7aaaa00b69f7e88005ee9406a71e67708beafff1230a648500b6 [INFO] running `Command { std: "docker" "start" "-a" "fcde517da4bb7aaaa00b69f7e88005ee9406a71e67708beafff1230a648500b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fcde517da4bb7aaaa00b69f7e88005ee9406a71e67708beafff1230a648500b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fcde517da4bb7aaaa00b69f7e88005ee9406a71e67708beafff1230a648500b6", kill_on_drop: false }` [INFO] [stdout] fcde517da4bb7aaaa00b69f7e88005ee9406a71e67708beafff1230a648500b6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 534bb6d22923676c02f862e30d8e5be91620c120d6a6b7bea932bcd2e7948c10 [INFO] running `Command { std: "docker" "start" "-a" "534bb6d22923676c02f862e30d8e5be91620c120d6a6b7bea932bcd2e7948c10", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling smallvec v1.6.1 [INFO] [stderr] Compiling arc-swap v1.3.2 [INFO] [stderr] Compiling instant v0.1.10 [INFO] [stderr] Compiling lock_api v0.4.5 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling refreshable v1.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stdout] --> src/lib.rs:109:30 [INFO] [stdout] | [INFO] [stdout] 109 | _cleanup: Option>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dyn_drop)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stdout] --> src/lib.rs:135:29 [INFO] [stdout] | [INFO] [stdout] 135 | cleanup: Option>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.07s [INFO] running `Command { std: "docker" "inspect" "534bb6d22923676c02f862e30d8e5be91620c120d6a6b7bea932bcd2e7948c10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "534bb6d22923676c02f862e30d8e5be91620c120d6a6b7bea932bcd2e7948c10", kill_on_drop: false }` [INFO] [stdout] 534bb6d22923676c02f862e30d8e5be91620c120d6a6b7bea932bcd2e7948c10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c018cee7e321a1936de20f978bd2a442e643e635975a83bb5bedc2fa3cc3ab0b [INFO] running `Command { std: "docker" "start" "-a" "c018cee7e321a1936de20f978bd2a442e643e635975a83bb5bedc2fa3cc3ab0b", kill_on_drop: false }` [INFO] [stderr] Compiling refreshable v1.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stdout] --> src/lib.rs:109:30 [INFO] [stdout] | [INFO] [stdout] 109 | _cleanup: Option>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dyn_drop)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stdout] --> src/lib.rs:135:29 [INFO] [stdout] | [INFO] [stdout] 135 | cleanup: Option>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stdout] --> src/lib.rs:109:30 [INFO] [stdout] | [INFO] [stdout] 109 | _cleanup: Option>, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dyn_drop)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stdout] --> src/lib.rs:135:29 [INFO] [stdout] | [INFO] [stdout] 135 | cleanup: Option>, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.81s [INFO] running `Command { std: "docker" "inspect" "c018cee7e321a1936de20f978bd2a442e643e635975a83bb5bedc2fa3cc3ab0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c018cee7e321a1936de20f978bd2a442e643e635975a83bb5bedc2fa3cc3ab0b", kill_on_drop: false }` [INFO] [stdout] c018cee7e321a1936de20f978bd2a442e643e635975a83bb5bedc2fa3cc3ab0b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8178837098b25bc2b6fe34cc55d4839c1cbe72cde7692f897500d42896639336 [INFO] running `Command { std: "docker" "start" "-a" "8178837098b25bc2b6fe34cc55d4839c1cbe72cde7692f897500d42896639336", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stderr] --> src/lib.rs:109:30 [INFO] [stderr] | [INFO] [stderr] 109 | _cleanup: Option>, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dyn_drop)]` on by default [INFO] [stderr] [INFO] [stderr] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped [INFO] [stderr] --> src/lib.rs:135:29 [INFO] [stderr] | [INFO] [stderr] 135 | cleanup: Option>, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: `refreshable` (lib) generated 2 warnings [INFO] [stderr] warning: `refreshable` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/refreshable-a50cdaa15f4a7234) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test test::error_on_subscribe_doesnt_stay ... ok [INFO] [stdout] test test::equal_refresh_is_noop ... ok [INFO] [stdout] test test::errors_are_stable ... ok [INFO] [stdout] test test::map_basics ... ok [INFO] [stdout] test test::map_callback_cleanup ... ok [INFO] [stdout] test test::map_error_propagation ... ok [INFO] [stdout] test test::subscribe_unsubscribe ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests refreshable [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 33) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.99s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8178837098b25bc2b6fe34cc55d4839c1cbe72cde7692f897500d42896639336", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8178837098b25bc2b6fe34cc55d4839c1cbe72cde7692f897500d42896639336", kill_on_drop: false }` [INFO] [stdout] 8178837098b25bc2b6fe34cc55d4839c1cbe72cde7692f897500d42896639336