[INFO] cloning repository https://github.com/dashaw92/keystate [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dashaw92/keystate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdashaw92%2Fkeystate", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdashaw92%2Fkeystate'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 977a1365f73edd62889ddcde521fa8d14904175a [INFO] checking dashaw92/keystate against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdashaw92%2Fkeystate" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/dashaw92/keystate [INFO] finished tweaking git repo https://github.com/dashaw92/keystate [INFO] tweaked toml for git repo https://github.com/dashaw92/keystate written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/dashaw92/keystate on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/dashaw92/keystate 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded pkg-config v0.3.24 [INFO] [stderr] Downloaded x11 v2.19.1 [INFO] [stderr] Downloaded libc v0.2.112 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 01e689c16f683073523b547a764ea360ac6093c0cbafb23a47a8cba0ff73fb2e [INFO] running `Command { std: "docker" "start" "-a" "01e689c16f683073523b547a764ea360ac6093c0cbafb23a47a8cba0ff73fb2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "01e689c16f683073523b547a764ea360ac6093c0cbafb23a47a8cba0ff73fb2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01e689c16f683073523b547a764ea360ac6093c0cbafb23a47a8cba0ff73fb2e", kill_on_drop: false }` [INFO] [stdout] 01e689c16f683073523b547a764ea360ac6093c0cbafb23a47a8cba0ff73fb2e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a0de095dacc64c3c7d46c8064cbc9ff40f33e8f923efca281936bef1281930ca [INFO] running `Command { std: "docker" "start" "-a" "a0de095dacc64c3c7d46c8064cbc9ff40f33e8f923efca281936bef1281930ca", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling keystate v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling x11 v2.19.1 [INFO] [stdout] warning: a dangling pointer will be produced because the temporary `MaybeUninit` will be dropped [INFO] [stdout] --> src/main.rs:48:53 [INFO] [stdout] | [INFO] [stdout] 48 | let kbd_state = std::mem::MaybeUninit::zeroed().as_mut_ptr(); [INFO] [stdout] | ------------------------------- ^^^^^^^^^^ this pointer will immediately be invalid [INFO] [stdout] | | [INFO] [stdout] | this `MaybeUninit` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stdout] | [INFO] [stdout] = note: pointers do not have a lifetime; when calling `as_mut_ptr` the `MaybeUninit` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned [INFO] [stdout] = help: you must make sure that the variable you bind the `MaybeUninit` to lives at least as long as the pointer returned by the call to `as_mut_ptr` [INFO] [stdout] = help: in particular, if this pointer is returned from the current function, binding the `MaybeUninit` inside the function will not suffice [INFO] [stdout] = help: for more information, see [INFO] [stdout] = note: `#[warn(dangling_pointers_from_temporaries)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a dangling pointer will be produced because the temporary `MaybeUninit` will be dropped [INFO] [stdout] --> src/main.rs:48:53 [INFO] [stdout] | [INFO] [stdout] 48 | let kbd_state = std::mem::MaybeUninit::zeroed().as_mut_ptr(); [INFO] [stdout] | ------------------------------- ^^^^^^^^^^ this pointer will immediately be invalid [INFO] [stdout] | | [INFO] [stdout] | this `MaybeUninit` is deallocated at the end of the statement, bind it to a variable to extend its lifetime [INFO] [stdout] | [INFO] [stdout] = note: pointers do not have a lifetime; when calling `as_mut_ptr` the `MaybeUninit` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned [INFO] [stdout] = help: you must make sure that the variable you bind the `MaybeUninit` to lives at least as long as the pointer returned by the call to `as_mut_ptr` [INFO] [stdout] = help: in particular, if this pointer is returned from the current function, binding the `MaybeUninit` inside the function will not suffice [INFO] [stdout] = help: for more information, see [INFO] [stdout] = note: `#[warn(dangling_pointers_from_temporaries)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.21s [INFO] running `Command { std: "docker" "inspect" "a0de095dacc64c3c7d46c8064cbc9ff40f33e8f923efca281936bef1281930ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0de095dacc64c3c7d46c8064cbc9ff40f33e8f923efca281936bef1281930ca", kill_on_drop: false }` [INFO] [stdout] a0de095dacc64c3c7d46c8064cbc9ff40f33e8f923efca281936bef1281930ca