[INFO] crate wake-on-lan 0.2.0 is already in cache [INFO] testing wake-on-lan-0.2.0 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] extracting crate wake-on-lan 0.2.0 into /workspace/builds/worker-8/source [INFO] validating manifest of crates.io crate wake-on-lan 0.2.0 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate wake-on-lan 0.2.0 [INFO] finished tweaking crates.io crate wake-on-lan 0.2.0 [INFO] tweaked toml for crates.io crate wake-on-lan 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dfeed8ec0496b248b12ab665694e70dca08be5498dc5bbd0618ed053a8b7575e [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" "dfeed8ec0496b248b12ab665694e70dca08be5498dc5bbd0618ed053a8b7575e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dfeed8ec0496b248b12ab665694e70dca08be5498dc5bbd0618ed053a8b7575e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dfeed8ec0496b248b12ab665694e70dca08be5498dc5bbd0618ed053a8b7575e", kill_on_drop: false }` [INFO] [stdout] dfeed8ec0496b248b12ab665694e70dca08be5498dc5bbd0618ed053a8b7575e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ec7c3314f97e4ce8fb570f945e93c50227c81555e3e14d4a9e3ebed3096f12e0 [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" "ec7c3314f97e4ce8fb570f945e93c50227c81555e3e14d4a9e3ebed3096f12e0", kill_on_drop: false }` [INFO] [stderr] Compiling wake-on-lan v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:36:27 [INFO] [stdout] | [INFO] [stdout] 36 | magic_bytes = std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.16s [INFO] running `Command { std: "docker" "inspect" "ec7c3314f97e4ce8fb570f945e93c50227c81555e3e14d4a9e3ebed3096f12e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec7c3314f97e4ce8fb570f945e93c50227c81555e3e14d4a9e3ebed3096f12e0", kill_on_drop: false }` [INFO] [stdout] ec7c3314f97e4ce8fb570f945e93c50227c81555e3e14d4a9e3ebed3096f12e0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9611f8e2ba449e5d90fe634a2a3c923803b42b5f17773d7e88c26764326b3709 [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" "9611f8e2ba449e5d90fe634a2a3c923803b42b5f17773d7e88c26764326b3709", kill_on_drop: false }` [INFO] [stderr] Compiling wake-on-lan v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:36:27 [INFO] [stdout] | [INFO] [stdout] 36 | magic_bytes = std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stdout] --> src/lib.rs:36:27 [INFO] [stdout] | [INFO] [stdout] 36 | magic_bytes = std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.24s [INFO] running `Command { std: "docker" "inspect" "9611f8e2ba449e5d90fe634a2a3c923803b42b5f17773d7e88c26764326b3709", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9611f8e2ba449e5d90fe634a2a3c923803b42b5f17773d7e88c26764326b3709", kill_on_drop: false }` [INFO] [stdout] 9611f8e2ba449e5d90fe634a2a3c923803b42b5f17773d7e88c26764326b3709 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 725af499eb2f0c4546efb57af7762e2ce621678e29bf15b77d2b3d4c8f474562 [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" "725af499eb2f0c4546efb57af7762e2ce621678e29bf15b77d2b3d4c8f474562", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stderr] --> src/lib.rs:36:27 [INFO] [stderr] | [INFO] [stderr] 36 | magic_bytes = std::mem::uninitialized(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stderr] --> src/lib.rs:36:27 [INFO] [stderr] | [INFO] [stderr] 36 | magic_bytes = std::mem::uninitialized(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/wake_on_lan-09e0a7bcf55d451d [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 [INFO] [stdout] [INFO] [stderr] Doc-tests wake-on-lan [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 5) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 5) stdout ---- [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stdout] --> src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 3 | / fn main() { [INFO] [stdout] 4 | | use wake_on_lan; [INFO] [stdout] 5 | | [INFO] [stdout] 6 | | // The MAC address of the target device [INFO] [stdout] ... | [INFO] [stdout] 13 | | magic_packet.send()?; [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | cannot use the `?` operator in a function that returns `()` [INFO] [stdout] 14 | | } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 5) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "725af499eb2f0c4546efb57af7762e2ce621678e29bf15b77d2b3d4c8f474562", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "725af499eb2f0c4546efb57af7762e2ce621678e29bf15b77d2b3d4c8f474562", kill_on_drop: false }` [INFO] [stdout] 725af499eb2f0c4546efb57af7762e2ce621678e29bf15b77d2b3d4c8f474562