[INFO] cloning repository https://github.com/HTMKing/RustTinyWM
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HTMKing/RustTinyWM" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHTMKing%2FRustTinyWM", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHTMKing%2FRustTinyWM'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1788f74684f164b711be8ffc44fda48225eca712
[INFO] checking HTMKing/RustTinyWM against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHTMKing%2FRustTinyWM" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HTMKing/RustTinyWM on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HTMKing/RustTinyWM
[INFO] finished tweaking git repo https://github.com/HTMKing/RustTinyWM
[INFO] tweaked toml for git repo https://github.com/HTMKing/RustTinyWM written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/HTMKing/RustTinyWM already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ece701b96c81c14415d88e068956648a326ac47da43679b2ef8d1f3df96e60d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9ece701b96c81c14415d88e068956648a326ac47da43679b2ef8d1f3df96e60d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ece701b96c81c14415d88e068956648a326ac47da43679b2ef8d1f3df96e60d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ece701b96c81c14415d88e068956648a326ac47da43679b2ef8d1f3df96e60d", kill_on_drop: false }`
[INFO] [stdout] 9ece701b96c81c14415d88e068956648a326ac47da43679b2ef8d1f3df96e60d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c55b773bcccfb95c7a62a308d581c5ce4e6369f332bd9b4a4ba74c14523a4fb5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c55b773bcccfb95c7a62a308d581c5ce4e6369f332bd9b4a4ba74c14523a4fb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]     Checking rtwm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/main.rs:10:57
[INFO] [stdout]    |
[INFO] [stdout] 10 |     CString::new(x).expect("Failed to create CString.").as_ptr()
[INFO] [stdout]    |     --------------------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]    |     |
[INFO] [stdout]    |     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]    = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` 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: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/main.rs:10:57
[INFO] [stdout]    |
[INFO] [stdout] 10 |     CString::new(x).expect("Failed to create CString.").as_ptr()
[INFO] [stdout]    |     --------------------------------------------------- ^^^^^^ this pointer will be invalid
[INFO] [stdout]    |     |
[INFO] [stdout]    |     this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(temporary_cstring_as_ptr)]` on by default
[INFO] [stdout]    = note: pointers do not have a lifetime; when calling `as_ptr` the `CString` 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: for more information, see https://doc.rust-lang.org/reference/destructors.html
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.40s
[INFO] running `Command { std: "docker" "inspect" "c55b773bcccfb95c7a62a308d581c5ce4e6369f332bd9b4a4ba74c14523a4fb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c55b773bcccfb95c7a62a308d581c5ce4e6369f332bd9b4a4ba74c14523a4fb5", kill_on_drop: false }`
[INFO] [stdout] c55b773bcccfb95c7a62a308d581c5ce4e6369f332bd9b4a4ba74c14523a4fb5