[INFO] fetching crate hotkey 0.3.1...
[INFO] testing hotkey-0.3.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate hotkey 0.3.1 into /workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate hotkey 0.3.1 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0d36eeaaa17d10eb3dc3d456528b3add2c423bb9e98dd2d4b7e1967b16814c6
[INFO] running `Command { std: "docker" "start" "-a" "a0d36eeaaa17d10eb3dc3d456528b3add2c423bb9e98dd2d4b7e1967b16814c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0d36eeaaa17d10eb3dc3d456528b3add2c423bb9e98dd2d4b7e1967b16814c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0d36eeaaa17d10eb3dc3d456528b3add2c423bb9e98dd2d4b7e1967b16814c6", kill_on_drop: false }`
[INFO] [stdout] a0d36eeaaa17d10eb3dc3d456528b3add2c423bb9e98dd2d4b7e1967b16814c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 956ef7a503b7ceeb4140dc1f70f88d2b9163db75fe5c0562a284d3eadd91094e
[INFO] running `Command { std: "docker" "start" "-a" "956ef7a503b7ceeb4140dc1f70f88d2b9163db75fe5c0562a284d3eadd91094e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling lazy_static v1.4.0
[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 2.86s
[INFO] running `Command { std: "docker" "inspect" "956ef7a503b7ceeb4140dc1f70f88d2b9163db75fe5c0562a284d3eadd91094e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "956ef7a503b7ceeb4140dc1f70f88d2b9163db75fe5c0562a284d3eadd91094e", kill_on_drop: false }`
[INFO] [stdout] 956ef7a503b7ceeb4140dc1f70f88d2b9163db75fe5c0562a284d3eadd91094e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 530c6a0d2321221f740c5e6bad12f96a86d60a15cbb0a3bdd99afed4af624fca
[INFO] running `Command { std: "docker" "start" "-a" "530c6a0d2321221f740c5e6bad12f96a86d60a15cbb0a3bdd99afed4af624fca", 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 0.65s
[INFO] running `Command { std: "docker" "inspect" "530c6a0d2321221f740c5e6bad12f96a86d60a15cbb0a3bdd99afed4af624fca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "530c6a0d2321221f740c5e6bad12f96a86d60a15cbb0a3bdd99afed4af624fca", kill_on_drop: false }`
[INFO] [stdout] 530c6a0d2321221f740c5e6bad12f96a86d60a15cbb0a3bdd99afed4af624fca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] f49d4ad2a2fccba7c9c4a31bd0af61dd7f328b2e18417e3f03054bb1cf1ec453
[INFO] running `Command { std: "docker" "start" "-a" "f49d4ad2a2fccba7c9c4a31bd0af61dd7f328b2e18417e3f03054bb1cf1ec453", 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 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/hotkey-17c8e0993f926591)
[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" "f49d4ad2a2fccba7c9c4a31bd0af61dd7f328b2e18417e3f03054bb1cf1ec453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f49d4ad2a2fccba7c9c4a31bd0af61dd7f328b2e18417e3f03054bb1cf1ec453", kill_on_drop: false }`
[INFO] [stdout] f49d4ad2a2fccba7c9c4a31bd0af61dd7f328b2e18417e3f03054bb1cf1ec453