[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 try#b1f2594eac607c1f051534800237eeedb5590a49 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-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/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-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ikubetoomuzik/unibar on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "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" "+b1f2594eac607c1f051534800237eeedb5590a49" "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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 35c1f294500ca52e1d8db97bdd9d9050dd0bbd468f4256873d00067461c8acee [INFO] running `Command { std: "docker" "start" "-a" "35c1f294500ca52e1d8db97bdd9d9050dd0bbd468f4256873d00067461c8acee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "35c1f294500ca52e1d8db97bdd9d9050dd0bbd468f4256873d00067461c8acee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35c1f294500ca52e1d8db97bdd9d9050dd0bbd468f4256873d00067461c8acee", kill_on_drop: false }` [INFO] [stdout] 35c1f294500ca52e1d8db97bdd9d9050dd0bbd468f4256873d00067461c8acee [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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 87a0dd3ee5b124f6ddba6677803bc1cf20196829b7bd2596e3451909b983cfac [INFO] running `Command { std: "docker" "start" "-a" "87a0dd3ee5b124f6ddba6677803bc1cf20196829b7bd2596e3451909b983cfac", 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] Compiling quote v1.0.9 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking dirs-sys v0.3.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking dirs v3.0.2 [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` 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` is dropped at end of statement [INFO] [stdout] | [INFO] [stdout] = help: bind the `Vec` 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 [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` 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` is dropped at end of statement [INFO] [stdout] | [INFO] [stdout] = help: bind the `Vec` 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 [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 7.35s [INFO] running `Command { std: "docker" "inspect" "87a0dd3ee5b124f6ddba6677803bc1cf20196829b7bd2596e3451909b983cfac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87a0dd3ee5b124f6ddba6677803bc1cf20196829b7bd2596e3451909b983cfac", kill_on_drop: false }` [INFO] [stdout] 87a0dd3ee5b124f6ddba6677803bc1cf20196829b7bd2596e3451909b983cfac