[INFO] fetching crate wkhtmltox-sys 0.1.2...
[INFO] checking wkhtmltox-sys-0.1.2 against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] extracting crate wkhtmltox-sys 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate wkhtmltox-sys 0.1.2 on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wkhtmltox-sys 0.1.2
[INFO] finished tweaking crates.io crate wkhtmltox-sys 0.1.2
[INFO] tweaked toml for crates.io crate wkhtmltox-sys 0.1.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0decfbdc4817033842cf776843a31f24c8dedb29556c464b6fb9d1d5edadc56d
[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" "0decfbdc4817033842cf776843a31f24c8dedb29556c464b6fb9d1d5edadc56d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0decfbdc4817033842cf776843a31f24c8dedb29556c464b6fb9d1d5edadc56d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0decfbdc4817033842cf776843a31f24c8dedb29556c464b6fb9d1d5edadc56d", kill_on_drop: false }`
[INFO] [stdout] 0decfbdc4817033842cf776843a31f24c8dedb29556c464b6fb9d1d5edadc56d
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eae21f4a25586eff22fd1fbc0716d070d665b06b81fc5ea6f9b26efc332049a5
[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" "eae21f4a25586eff22fd1fbc0716d070d665b06b81fc5ea6f9b26efc332049a5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking wkhtmltox-sys v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> examples/convert-url.rs:46:74
[INFO] [stdout]    |
[INFO] [stdout] 46 | ...    wkhtmltopdf_set_object_setting(os, CString::new("page").unwrap().as_ptr(), CString::new("https://rust-lang.org/en-US/").unwrap().a...
[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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> examples/convert-url.rs:46:138
[INFO] [stdout]    |
[INFO] [stdout] 46 | ...w("page").unwrap().as_ptr(), CString::new("https://rust-lang.org/en-US/").unwrap().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: 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "eae21f4a25586eff22fd1fbc0716d070d665b06b81fc5ea6f9b26efc332049a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eae21f4a25586eff22fd1fbc0716d070d665b06b81fc5ea6f9b26efc332049a5", kill_on_drop: false }`
[INFO] [stdout] eae21f4a25586eff22fd1fbc0716d070d665b06b81fc5ea6f9b26efc332049a5