[INFO] fetching crate hotkey 0.3.1...
[INFO] testing hotkey-0.3.1 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate hotkey 0.3.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate hotkey 0.3.1
[INFO] finished tweaking crates.io crate hotkey 0.3.1
[INFO] tweaked toml for crates.io crate hotkey 0.3.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hotkey 0.3.1 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hotkey 0.3.1 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccbef502926b3b7cde51970287b98ee29cdabb74c1b756168ac18212c8456bc0
[INFO] running `Command { std: "docker" "start" "-a" "ccbef502926b3b7cde51970287b98ee29cdabb74c1b756168ac18212c8456bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccbef502926b3b7cde51970287b98ee29cdabb74c1b756168ac18212c8456bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccbef502926b3b7cde51970287b98ee29cdabb74c1b756168ac18212c8456bc0", kill_on_drop: false }`
[INFO] [stdout] ccbef502926b3b7cde51970287b98ee29cdabb74c1b756168ac18212c8456bc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a2277319b1811b68ed25f55dcc064e54f0995c9eb3ba9765780c5fe324d664f
[INFO] running `Command { std: "docker" "start" "-a" "9a2277319b1811b68ed25f55dcc064e54f0995c9eb3ba9765780c5fe324d664f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling x11-dl v2.18.4
[INFO] [stderr]    Compiling hotkey v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the type `i32` does not permit being left uninitialized
[INFO] [stdout]   --> src/linux.rs:52:43
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut supported_rtrn: i32 = mem::MaybeUninit::uninit().assume_init();
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                           |
[INFO] [stdout]    |                                           this code causes undefined behavior when executed
[INFO] [stdout]    |                                           help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.61s
[INFO] running `Command { std: "docker" "inspect" "9a2277319b1811b68ed25f55dcc064e54f0995c9eb3ba9765780c5fe324d664f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a2277319b1811b68ed25f55dcc064e54f0995c9eb3ba9765780c5fe324d664f", kill_on_drop: false }`
[INFO] [stdout] 9a2277319b1811b68ed25f55dcc064e54f0995c9eb3ba9765780c5fe324d664f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef87df01f92ef918e1d27b4890c826bc37664b8e8401e5b625486144b8e8ff5e
[INFO] running `Command { std: "docker" "start" "-a" "ef87df01f92ef918e1d27b4890c826bc37664b8e8401e5b625486144b8e8ff5e", kill_on_drop: false }`
[INFO] [stdout] warning: the type `i32` does not permit being left uninitialized
[INFO] [stdout]   --> src/linux.rs:52:43
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut supported_rtrn: i32 = mem::MaybeUninit::uninit().assume_init();
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                           |
[INFO] [stdout]    |                                           this code causes undefined behavior when executed
[INFO] [stdout]    |                                           help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hotkey v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the type `i32` does not permit being left uninitialized
[INFO] [stdout]   --> src/linux.rs:52:43
[INFO] [stdout]    |
[INFO] [stdout] 52 |             let mut supported_rtrn: i32 = mem::MaybeUninit::uninit().assume_init();
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                           |
[INFO] [stdout]    |                                           this code causes undefined behavior when executed
[INFO] [stdout]    |                                           help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "ef87df01f92ef918e1d27b4890c826bc37664b8e8401e5b625486144b8e8ff5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef87df01f92ef918e1d27b4890c826bc37664b8e8401e5b625486144b8e8ff5e", kill_on_drop: false }`
[INFO] [stdout] ef87df01f92ef918e1d27b4890c826bc37664b8e8401e5b625486144b8e8ff5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 164d2ca425be9b1d6267551f628aa0e716eea5db6e779454ca5136ed1d436258
[INFO] running `Command { std: "docker" "start" "-a" "164d2ca425be9b1d6267551f628aa0e716eea5db6e779454ca5136ed1d436258", kill_on_drop: false }`
[INFO] [stderr] warning: the type `i32` does not permit being left uninitialized
[INFO] [stderr]   --> src/linux.rs:52:43
[INFO] [stderr]    |
[INFO] [stderr] 52 |             let mut supported_rtrn: i32 = mem::MaybeUninit::uninit().assume_init();
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                                           |
[INFO] [stderr]    |                                           this code causes undefined behavior when executed
[INFO] [stderr]    |                                           help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]    |
[INFO] [stderr]    = note: integers must be initialized
[INFO] [stderr]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hotkey` (lib) generated 1 warning
[INFO] [stderr] warning: `hotkey` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/hotkey-8472dc103089aa83)
[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]    Doc-tests hotkey
[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" "164d2ca425be9b1d6267551f628aa0e716eea5db6e779454ca5136ed1d436258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "164d2ca425be9b1d6267551f628aa0e716eea5db6e779454ca5136ed1d436258", kill_on_drop: false }`
[INFO] [stdout] 164d2ca425be9b1d6267551f628aa0e716eea5db6e779454ca5136ed1d436258