[INFO] cloning repository https://github.com/ssfdust/ethtool_sys-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ssfdust/ethtool_sys-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssfdust%2Fethtool_sys-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssfdust%2Fethtool_sys-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0dd6579dd7e532c47cf311481a93e74b05266cf0 [INFO] checking ssfdust/ethtool_sys-rs against master#c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2 for pr-142712 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fssfdust%2Fethtool_sys-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/ssfdust/ethtool_sys-rs [INFO] finished tweaking git repo https://github.com/ssfdust/ethtool_sys-rs [INFO] tweaked toml for git repo https://github.com/ssfdust/ethtool_sys-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ssfdust/ethtool_sys-rs on toolchain c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/ssfdust/ethtool_sys-rs 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" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ad02ba23b83b1c88cda8037fbea7703512dca87b895e59ee43621eed310bdf89 [INFO] running `Command { std: "docker" "start" "-a" "ad02ba23b83b1c88cda8037fbea7703512dca87b895e59ee43621eed310bdf89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad02ba23b83b1c88cda8037fbea7703512dca87b895e59ee43621eed310bdf89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad02ba23b83b1c88cda8037fbea7703512dca87b895e59ee43621eed310bdf89", kill_on_drop: false }` [INFO] [stdout] ad02ba23b83b1c88cda8037fbea7703512dca87b895e59ee43621eed310bdf89 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f4282076a2fd54b079071cb35471d89825f7ef0272b1f89fabde07e4197d6d96 [INFO] running `Command { std: "docker" "start" "-a" "f4282076a2fd54b079071cb35471d89825f7ef0272b1f89fabde07e4197d6d96", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.140 [INFO] [stderr] Checking ethtool_sys v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: a dangling pointer will be produced because the temporary `[i8; 16]` will be dropped [INFO] [stdout] --> src/internal.rs:76:65 [INFO] [stdout] | [INFO] [stdout] 76 | cmd_context.devname = dev_name_arr.map(|x| x as i8).as_ptr(); [INFO] [stdout] | ----------------------------- ^^^^^^ this pointer will immediately be invalid [INFO] [stdout] | | [INFO] [stdout] | this `[i8; 16]` 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 `[i8; 16]` 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: you must make sure that the variable you bind the `[i8; 16]` to lives at least as long as the pointer returned by the call to `as_ptr` [INFO] [stdout] = help: in particular, if this pointer is returned from the current function, binding the `[i8; 16]` inside the function will not suffice [INFO] [stdout] = help: for more information, see [INFO] [stdout] = note: `#[warn(dangling_pointers_from_temporaries)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: a dangling pointer will be produced because the temporary `[i8; 16]` will be dropped [INFO] [stdout] --> src/internal.rs:76:65 [INFO] [stdout] | [INFO] [stdout] 76 | cmd_context.devname = dev_name_arr.map(|x| x as i8).as_ptr(); [INFO] [stdout] | ----------------------------- ^^^^^^ this pointer will immediately be invalid [INFO] [stdout] | | [INFO] [stdout] | this `[i8; 16]` 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 `[i8; 16]` 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: you must make sure that the variable you bind the `[i8; 16]` to lives at least as long as the pointer returned by the call to `as_ptr` [INFO] [stdout] = help: in particular, if this pointer is returned from the current function, binding the `[i8; 16]` inside the function will not suffice [INFO] [stdout] = help: 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 1.34s [INFO] running `Command { std: "docker" "inspect" "f4282076a2fd54b079071cb35471d89825f7ef0272b1f89fabde07e4197d6d96", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4282076a2fd54b079071cb35471d89825f7ef0272b1f89fabde07e4197d6d96", kill_on_drop: false }` [INFO] [stdout] f4282076a2fd54b079071cb35471d89825f7ef0272b1f89fabde07e4197d6d96