[INFO] cloning repository https://github.com/ikubetoomuzik/unibar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ikubetoomuzik/unibar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikubetoomuzik%2Funibar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikubetoomuzik%2Funibar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a06926f11b53770faebd662e26c965678f4206d
[INFO] checking ikubetoomuzik/unibar against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikubetoomuzik%2Funibar" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ikubetoomuzik/unibar
[INFO] finished tweaking git repo https://github.com/ikubetoomuzik/unibar
[INFO] tweaked toml for git repo https://github.com/ikubetoomuzik/unibar written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ikubetoomuzik/unibar on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ikubetoomuzik/unibar 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4ed20f89f516cc98b1023a81bb4532ca062cde96730141cb204a92259f08847
[INFO] running `Command { std: "docker" "start" "-a" "d4ed20f89f516cc98b1023a81bb4532ca062cde96730141cb204a92259f08847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4ed20f89f516cc98b1023a81bb4532ca062cde96730141cb204a92259f08847", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4ed20f89f516cc98b1023a81bb4532ca062cde96730141cb204a92259f08847", kill_on_drop: false }`
[INFO] [stdout] d4ed20f89f516cc98b1023a81bb4532ca062cde96730141cb204a92259f08847
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65870aadd668737e4ddcf5fc1884ef6bb9186cf63799f6b3c8ed63870e7fabbf
[INFO] running `Command { std: "docker" "start" "-a" "65870aadd668737e4ddcf5fc1884ef6bb9186cf63799f6b3c8ed63870e7fabbf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking unibar v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this creates a dangling pointer because temporary `Vec<i8>` is dropped at end of statement
[INFO] [stdout]    --> src/bar.rs:633:53
[INFO] [stdout]     |
[INFO] [stdout] 633 |         let hn_buffer: *mut i8 = vec![0i8; hn_size].as_mut_ptr();
[INFO] [stdout]     |                                  ------------------ ^^^^^^^^^^ pointer created here
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  this `Vec<i8>` is dropped at end of statement
[INFO] [stdout]     |
[INFO] [stdout]     = help: bind the `Vec<i8>` to a variable such that it outlives the pointer returned by `as_mut_ptr`
[INFO] [stdout]     = note: a dangling pointer is safe, but dereferencing one is undefined behavior
[INFO] [stdout]     = note: returning a pointer to a local variable will always result in a dangling pointer
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
[INFO] [stdout]     = note: `#[warn(dangling_pointers_from_temporaries)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates a dangling pointer because temporary `Vec<i8>` is dropped at end of statement
[INFO] [stdout]    --> src/bar.rs:633:53
[INFO] [stdout]     |
[INFO] [stdout] 633 |         let hn_buffer: *mut i8 = vec![0i8; hn_size].as_mut_ptr();
[INFO] [stdout]     |                                  ------------------ ^^^^^^^^^^ pointer created here
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  this `Vec<i8>` is dropped at end of statement
[INFO] [stdout]     |
[INFO] [stdout]     = help: bind the `Vec<i8>` to a variable such that it outlives the pointer returned by `as_mut_ptr`
[INFO] [stdout]     = note: a dangling pointer is safe, but dereferencing one is undefined behavior
[INFO] [stdout]     = note: returning a pointer to a local variable will always result in a dangling pointer
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/reference/destructors.html>
[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 5.82s
[INFO] running `Command { std: "docker" "inspect" "65870aadd668737e4ddcf5fc1884ef6bb9186cf63799f6b3c8ed63870e7fabbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65870aadd668737e4ddcf5fc1884ef6bb9186cf63799f6b3c8ed63870e7fabbf", kill_on_drop: false }`
[INFO] [stdout] 65870aadd668737e4ddcf5fc1884ef6bb9186cf63799f6b3c8ed63870e7fabbf
