[INFO] fetching crate pnet_datalink 0.27.2...
[INFO] checking pnet_datalink-0.27.2 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate pnet_datalink 0.27.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate pnet_datalink 0.27.2 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pnet_datalink 0.27.2
[INFO] finished tweaking crates.io crate pnet_datalink 0.27.2
[INFO] tweaked toml for crates.io crate pnet_datalink 0.27.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 7771b124e0c89b1d16a86d6024e21406793f7a3f28006a5e7bc0e195898a0ae0
[INFO] running `Command { std: "docker" "start" "-a" "7771b124e0c89b1d16a86d6024e21406793f7a3f28006a5e7bc0e195898a0ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7771b124e0c89b1d16a86d6024e21406793f7a3f28006a5e7bc0e195898a0ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7771b124e0c89b1d16a86d6024e21406793f7a3f28006a5e7bc0e195898a0ae0", kill_on_drop: false }`
[INFO] [stdout] 7771b124e0c89b1d16a86d6024e21406793f7a3f28006a5e7bc0e195898a0ae0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a349f5b87cd0ce557c2a8acc4f59a2544b4322a0ee87a27118f88ca535e55662
[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" "a349f5b87cd0ce557c2a8acc4f59a2544b4322a0ee87a27118f88ca535e55662", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking pnet_sys v0.27.2
[INFO] [stderr]     Checking ipnetwork v0.17.0
[INFO] [stderr]     Checking pnet_datalink v0.27.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/unix_interfaces.rs:79:62
[INFO] [stdout]    |
[INFO] [stdout] 79 |             iface.index = libc::if_nametoindex(name.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: `#[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/unix_interfaces.rs:79:62
[INFO] [stdout]    |
[INFO] [stdout] 79 |             iface.index = libc::if_nametoindex(name.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/unix_interfaces.rs:79:62
[INFO] [stdout]    |
[INFO] [stdout] 79 |             iface.index = libc::if_nametoindex(name.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: `#[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: getting the inner pointer of a temporary `CString`
[INFO] [stdout]   --> src/unix_interfaces.rs:79:62
[INFO] [stdout]    |
[INFO] [stdout] 79 |             iface.index = libc::if_nametoindex(name.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 6.76s
[INFO] running `Command { std: "docker" "inspect" "a349f5b87cd0ce557c2a8acc4f59a2544b4322a0ee87a27118f88ca535e55662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a349f5b87cd0ce557c2a8acc4f59a2544b4322a0ee87a27118f88ca535e55662", kill_on_drop: false }`
[INFO] [stdout] a349f5b87cd0ce557c2a8acc4f59a2544b4322a0ee87a27118f88ca535e55662