[INFO] fetching crate libcgroup 0.3.0...
[INFO] checking libcgroup-0.3.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate libcgroup 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate libcgroup 0.3.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libcgroup 0.3.0
[INFO] removed path dependency libcgroup-sys from crates.io crate libcgroup 0.3.0
[INFO] finished tweaking crates.io crate libcgroup 0.3.0
[INFO] tweaked toml for crates.io crate libcgroup 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libcgroup-sys v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7be40fbc6f6bdf493be5ae0587ba7366c72dbf6edc5f656443f207b5ef999345
[INFO] running `Command { std: "docker" "start" "-a" "7be40fbc6f6bdf493be5ae0587ba7366c72dbf6edc5f656443f207b5ef999345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7be40fbc6f6bdf493be5ae0587ba7366c72dbf6edc5f656443f207b5ef999345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be40fbc6f6bdf493be5ae0587ba7366c72dbf6edc5f656443f207b5ef999345", kill_on_drop: false }`
[INFO] [stdout] 7be40fbc6f6bdf493be5ae0587ba7366c72dbf6edc5f656443f207b5ef999345
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf92b92aa1de562612fe60d89af8e9296bcfe09fc0fcd3d3604ed04a3c7bea8f
[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" "bf92b92aa1de562612fe60d89af8e9296bcfe09fc0fcd3d3604ed04a3c7bea8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libcgroup-sys v0.3.0
[INFO] [stderr]     Checking libcgroup v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/init.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{Once, ONCE_INIT};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/init.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 | static C_LIB_INITIALIZED: Once = ONCE_INIT;
[INFO] [stdout]   |                                  ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/init.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::{Once, ONCE_INIT};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/init.rs:5:34
[INFO] [stdout]   |
[INFO] [stdout] 5 | static C_LIB_INITIALIZED: Once = ONCE_INIT;
[INFO] [stdout]   |                                  ^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/iter.rs:188:50
[INFO] [stdout]     |
[INFO] [stdout] 186 |                   ffi::cgroup_walk_tree_begin(CString::new(self.controller_name.clone())
[INFO] [stdout]     |  _____________________________________________-
[INFO] [stdout] 187 | |                                                 .unwrap()
[INFO] [stdout]     | |_________________________________________________________- this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout] 188 |                                                   .as_ptr(),
[INFO] [stdout]     |                                                    ^^^^^^ this pointer will be invalid
[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]    --> src/iter.rs:189:91
[INFO] [stdout]     |
[INFO] [stdout] 189 | ...                   CString::new(self.base_path.clone()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/lib.rs:55:88
[INFO] [stdout]    |
[INFO] [stdout] 55 |             cgroup: unsafe { ffi::cgroup_new_cgroup(CString::new(name.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/lib.rs:68:81
[INFO] [stdout]    |
[INFO] [stdout] 68 | ...                   CString::new(controller.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/lib.rs:82:81
[INFO] [stdout]    |
[INFO] [stdout] 82 | ...                   CString::new(controller.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:180:77
[INFO] [stdout]     |
[INFO] [stdout] 180 | ...                   CString::new(name.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:181:78
[INFO] [stdout]     |
[INFO] [stdout] 181 | ...                   CString::new(value.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:191:76
[INFO] [stdout]     |
[INFO] [stdout] 191 | ...                   CString::new(name.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:202:77
[INFO] [stdout]     |
[INFO] [stdout] 202 | ...                   CString::new(name.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:213:75
[INFO] [stdout]     |
[INFO] [stdout] 213 | ...                   CString::new(name.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:225:77
[INFO] [stdout]     |
[INFO] [stdout] 225 | ...                   CString::new(name.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:238:76
[INFO] [stdout]     |
[INFO] [stdout] 238 | ...                   CString::new(name.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:250:77
[INFO] [stdout]     |
[INFO] [stdout] 250 | ...                   CString::new(name.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:262:75
[INFO] [stdout]     |
[INFO] [stdout] 262 | ...                   CString::new(name.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:273:77
[INFO] [stdout]     |
[INFO] [stdout] 273 | ...                   CString::new(name.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:274:78
[INFO] [stdout]     |
[INFO] [stdout] 274 | ...                   CString::new(value.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:284:76
[INFO] [stdout]     |
[INFO] [stdout] 284 | ...                   CString::new(name.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:295:77
[INFO] [stdout]     |
[INFO] [stdout] 295 | ...                   CString::new(name.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:306:75
[INFO] [stdout]     |
[INFO] [stdout] 306 | ...                   CString::new(name.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/iter.rs:188:50
[INFO] [stdout]     |
[INFO] [stdout] 186 |                   ffi::cgroup_walk_tree_begin(CString::new(self.controller_name.clone())
[INFO] [stdout]     |  _____________________________________________-
[INFO] [stdout] 187 | |                                                 .unwrap()
[INFO] [stdout]     | |_________________________________________________________- this `CString` is deallocated at the end of the statement, bind it to a variable to extend its lifetime
[INFO] [stdout] 188 |                                                   .as_ptr(),
[INFO] [stdout]     |                                                    ^^^^^^ this pointer will be invalid
[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]    --> src/iter.rs:189:91
[INFO] [stdout]     |
[INFO] [stdout] 189 | ...                   CString::new(self.base_path.clone()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/lib.rs:55:88
[INFO] [stdout]    |
[INFO] [stdout] 55 |             cgroup: unsafe { ffi::cgroup_new_cgroup(CString::new(name.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/lib.rs:68:81
[INFO] [stdout]    |
[INFO] [stdout] 68 | ...                   CString::new(controller.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/lib.rs:82:81
[INFO] [stdout]    |
[INFO] [stdout] 82 | ...                   CString::new(controller.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:180:77
[INFO] [stdout]     |
[INFO] [stdout] 180 | ...                   CString::new(name.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:181:78
[INFO] [stdout]     |
[INFO] [stdout] 181 | ...                   CString::new(value.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:191:76
[INFO] [stdout]     |
[INFO] [stdout] 191 | ...                   CString::new(name.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:202:77
[INFO] [stdout]     |
[INFO] [stdout] 202 | ...                   CString::new(name.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:213:75
[INFO] [stdout]     |
[INFO] [stdout] 213 | ...                   CString::new(name.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:225:77
[INFO] [stdout]     |
[INFO] [stdout] 225 | ...                   CString::new(name.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:238:76
[INFO] [stdout]     |
[INFO] [stdout] 238 | ...                   CString::new(name.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:250:77
[INFO] [stdout]     |
[INFO] [stdout] 250 | ...                   CString::new(name.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:262:75
[INFO] [stdout]     |
[INFO] [stdout] 262 | ...                   CString::new(name.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:273:77
[INFO] [stdout]     |
[INFO] [stdout] 273 | ...                   CString::new(name.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:274:78
[INFO] [stdout]     |
[INFO] [stdout] 274 | ...                   CString::new(value.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:284:76
[INFO] [stdout]     |
[INFO] [stdout] 284 | ...                   CString::new(name.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:295:77
[INFO] [stdout]     |
[INFO] [stdout] 295 | ...                   CString::new(name.into()).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: getting the inner pointer of a temporary `CString`
[INFO] [stdout]    --> src/lib.rs:306:75
[INFO] [stdout]     |
[INFO] [stdout] 306 | ...                   CString::new(name.into()).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: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "bf92b92aa1de562612fe60d89af8e9296bcfe09fc0fcd3d3604ed04a3c7bea8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf92b92aa1de562612fe60d89af8e9296bcfe09fc0fcd3d3604ed04a3c7bea8f", kill_on_drop: false }`
[INFO] [stdout] bf92b92aa1de562612fe60d89af8e9296bcfe09fc0fcd3d3604ed04a3c7bea8f