[INFO] fetching crate watchdo 0.1.2... [INFO] checking watchdo-0.1.2 against beta for pr-78714 [INFO] extracting crate watchdo 0.1.2 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate watchdo 0.1.2 on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate watchdo 0.1.2 [INFO] finished tweaking crates.io crate watchdo 0.1.2 [INFO] tweaked toml for crates.io crate watchdo 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate crates.io crate watchdo 0.1.2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8837d734c2084bbb0f1033774e12eeb0b7792cefaadcfd9745bf98eb5e1c534a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8837d734c2084bbb0f1033774e12eeb0b7792cefaadcfd9745bf98eb5e1c534a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8837d734c2084bbb0f1033774e12eeb0b7792cefaadcfd9745bf98eb5e1c534a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8837d734c2084bbb0f1033774e12eeb0b7792cefaadcfd9745bf98eb5e1c534a", kill_on_drop: false }` [INFO] [stdout] 8837d734c2084bbb0f1033774e12eeb0b7792cefaadcfd9745bf98eb5e1c534a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f7cb9e94a3791cd69104595aac3fc9a0e491340c54e009da9b50c956af0a61e1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f7cb9e94a3791cd69104595aac3fc9a0e491340c54e009da9b50c956af0a61e1", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling winapi v0.3.8 [INFO] [stderr] Checking downcast v0.10.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking crossbeam-channel v0.3.8 [INFO] [stderr] Checking filetime v0.2.7 [INFO] [stderr] Checking subprocess v0.2.3 [INFO] [stderr] Checking term_size v0.3.1 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking cgmath v0.16.1 [INFO] [stderr] Checking globset v0.4.4 [INFO] [stderr] Checking inotify v0.7.0 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking predicates v1.0.1 [INFO] [stderr] Checking ignore v0.4.10 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking notify v4.0.15 [INFO] [stderr] Checking winconsole v0.10.0 [INFO] [stderr] Checking colored v1.8.0 [INFO] [stderr] Compiling proc-macro-error v0.2.6 [INFO] [stderr] Compiling structopt-derive v0.3.2 [INFO] [stderr] Compiling mockall_derive v0.5.1 [INFO] [stderr] Checking structopt v0.3.2 [INFO] [stderr] Checking watchdo v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking mockall v0.5.1 [INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [INFO] [stdout] --> src/executor.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | #[cfg_attr(test, mockall::automock)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] = note: this warning originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [INFO] [stdout] --> src/executor.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | #[cfg_attr(test, mockall::automock)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] = note: this warning originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added. [INFO] [stdout] --> src/executor.rs:12:18 [INFO] [stdout] | [INFO] [stdout] 12 | #[cfg_attr(test, mockall::automock(type Child=MockChild;))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #66145 [INFO] [stdout] = note: this warning originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/executor.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | #[cfg_attr(test, mockall::automock)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: this warning originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/executor.rs:6:18 [INFO] [stdout] | [INFO] [stdout] 6 | #[cfg_attr(test, mockall::automock)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: this warning originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/executor.rs:12:18 [INFO] [stdout] | [INFO] [stdout] 12 | #[cfg_attr(test, mockall::automock(type Child=MockChild;))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] = note: this warning originates in an attribute macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 46.32s [INFO] running `Command { std: "docker" "inspect" "f7cb9e94a3791cd69104595aac3fc9a0e491340c54e009da9b50c956af0a61e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7cb9e94a3791cd69104595aac3fc9a0e491340c54e009da9b50c956af0a61e1", kill_on_drop: false }` [INFO] [stdout] f7cb9e94a3791cd69104595aac3fc9a0e491340c54e009da9b50c956af0a61e1