[INFO] fetching crate palaver 0.3.0-alpha.3...
[INFO] testing palaver-0.3.0-alpha.3 against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate palaver 0.3.0-alpha.3 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate palaver 0.3.0-alpha.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate palaver 0.3.0-alpha.3
[INFO] tweaked toml for crates.io crate palaver 0.3.0-alpha.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate palaver 0.3.0-alpha.3 on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate palaver 0.3.0-alpha.3 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded valgrind_request v1.1.0
[INFO] [stderr]   Downloaded twox-hash v1.5.0
[INFO] [stderr]   Downloaded typenum v1.11.2
[INFO] [stderr]   Downloaded as-slice v0.1.2
[INFO] [stderr]   Downloaded serde_derive v1.0.104
[INFO] [stderr]   Downloaded escargot v0.5.0
[INFO] [stderr]   Downloaded mach v0.3.2
[INFO] [stderr]   Downloaded generic-array v0.12.3
[INFO] [stderr]   Downloaded log v0.4.8
[INFO] [stderr]   Downloaded rle-decode-fast v1.0.1
[INFO] [stderr]   Downloaded heapless v0.5.3
[INFO] [stderr]   Downloaded syn v1.0.14
[INFO] [stderr]   Downloaded crc32fast v1.2.0
[INFO] [stderr]   Downloaded libflate v0.1.27
[INFO] [stderr]   Downloaded c2-chacha v0.2.3
[INFO] [stderr]   Downloaded getrandom v0.1.14
[INFO] [stderr]   Downloaded nix v0.16.1
[INFO] [stderr]   Downloaded libc v0.2.66
[INFO] [stderr]   Downloaded replace_with v0.1.5
[INFO] [stderr]   Downloaded serde_json v1.0.47
[INFO] [stderr]   Downloaded generic-array v0.13.2
[INFO] [stderr]   Downloaded cc v1.0.50
[INFO] [stderr]   Downloaded rand_chacha v0.2.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.8
[INFO] [stderr]   Downloaded byteorder v1.3.4
[INFO] [stderr]   Downloaded hex v0.4.1
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.6
[INFO] [stderr]   Downloaded itoa v0.4.5
[INFO] [stderr]   Downloaded hash32 v0.1.1
[INFO] [stderr]   Downloaded ryu v1.0.2
[INFO] [stderr]   Downloaded unicode-xid v0.2.0
[INFO] [stderr]   Downloaded stable_deref_trait v1.1.1
[INFO] [stderr]   Downloaded adler32 v1.0.4
[INFO] [stderr]   Downloaded quote v1.0.2
[INFO] [stderr]   Downloaded serde v1.0.104
[INFO] [stderr]   Downloaded procfs v0.7.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c890270cf53c5dbf59661209f189b1f2096da6ae04b1d6845283933f491a5e5
[INFO] running `Command { std: "docker" "start" "-a" "6c890270cf53c5dbf59661209f189b1f2096da6ae04b1d6845283933f491a5e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c890270cf53c5dbf59661209f189b1f2096da6ae04b1d6845283933f491a5e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c890270cf53c5dbf59661209f189b1f2096da6ae04b1d6845283933f491a5e5", kill_on_drop: false }`
[INFO] [stdout] 6c890270cf53c5dbf59661209f189b1f2096da6ae04b1d6845283933f491a5e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e7e74fe799c60cd1bdc7f0db07617b2a2c5375b8a6e96669398ed49aa947543
[INFO] running `Command { std: "docker" "start" "-a" "2e7e74fe799c60cd1bdc7f0db07617b2a2c5375b8a6e96669398ed49aa947543", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling heapless v0.5.3
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling hex v0.4.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling twox-hash v1.5.0
[INFO] [stderr]    Compiling replace_with v0.1.5
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling hash32 v0.1.1
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling generic-array v0.13.2
[INFO] [stderr]    Compiling as-slice v0.1.2
[INFO] [stderr]    Compiling procfs v0.7.7
[INFO] [stderr]    Compiling palaver v0.3.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:274:22
[INFO] [stdout]     |
[INFO] [stdout] 274 |     Err(nix::Error::Sys(nix::errno::Errno::last()))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:17:2
[INFO] [stdout]     |
[INFO] [stdout] 17  |     unused_qualifications,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 274 -     Err(nix::Error::Sys(nix::errno::Errno::last()))
[INFO] [stdout] 274 +     Err(nix::Error::Sys(errno::Errno::last()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:293:13
[INFO] [stdout]     |
[INFO] [stdout] 293 |     let rand = nix::fcntl::open(
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 293 -     let rand = nix::fcntl::open(
[INFO] [stdout] 293 +     let rand = fcntl::open(
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:296:3
[INFO] [stdout]     |
[INFO] [stdout] 296 |         nix::sys::stat::Mode::empty(),
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 296 -         nix::sys::stat::Mode::empty(),
[INFO] [stdout] 296 +         stat::Mode::empty(),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:303:2
[INFO] [stdout]     |
[INFO] [stdout] 303 |     std::fmt::Write::write_fmt(&mut ret, format_args!("{}{}", prefix, random.to_hex())).unwrap();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 303 -     std::fmt::Write::write_fmt(&mut ret, format_args!("{}{}", prefix, random.to_hex())).unwrap();
[INFO] [stdout] 303 +     fmt::Write::write_fmt(&mut ret, format_args!("{}{}", prefix, random.to_hex())).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:310:36
[INFO] [stdout]     |
[INFO] [stdout] 310 |     let mut res = Err(nix::Error::Sys(nix::errno::Errno::ENOSYS));
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 310 -     let mut res = Err(nix::Error::Sys(nix::errno::Errno::ENOSYS));
[INFO] [stdout] 310 +     let mut res = Err(nix::Error::Sys(errno::Errno::ENOSYS));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:334:24
[INFO] [stdout]     |
[INFO] [stdout] 334 |             Err(nix::Error::Sys(nix::errno::Errno::last()))
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 334 -             Err(nix::Error::Sys(nix::errno::Errno::last()))
[INFO] [stdout] 334 +             Err(nix::Error::Sys(errno::Errno::last()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:337:32
[INFO] [stdout]     |
[INFO] [stdout] 337 |     if res == Err(nix::Error::Sys(nix::errno::Errno::ENOSYS)) {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 337 -     if res == Err(nix::Error::Sys(nix::errno::Errno::ENOSYS)) {
[INFO] [stdout] 337 +     if res == Err(nix::Error::Sys(errno::Errno::ENOSYS)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:342:30
[INFO] [stdout]     |
[INFO] [stdout] 342 |             res = Err(nix::Error::Sys(nix::errno::Errno::ENOSYS));
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 342 -             res = Err(nix::Error::Sys(nix::errno::Errno::ENOSYS));
[INFO] [stdout] 342 +             res = Err(nix::Error::Sys(errno::Errno::ENOSYS));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:345:32
[INFO] [stdout]     |
[INFO] [stdout] 345 |     if res == Err(nix::Error::Sys(nix::errno::Errno::ENOSYS)) {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 345 -     if res == Err(nix::Error::Sys(nix::errno::Errno::ENOSYS)) {
[INFO] [stdout] 345 +     if res == Err(nix::Error::Sys(errno::Errno::ENOSYS)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:419:2
[INFO] [stdout]     |
[INFO] [stdout] 419 |     std::fmt::Write::write_fmt(&mut to_path2, format_args!("{}", hash.to_hex())).unwrap();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 419 -     std::fmt::Write::write_fmt(&mut to_path2, format_args!("{}", hash.to_hex())).unwrap();
[INFO] [stdout] 419 +     fmt::Write::write_fmt(&mut to_path2, format_args!("{}", hash.to_hex())).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:494:32
[INFO] [stdout]     |
[INFO] [stdout] 494 |                 return Err(nix::Error::Sys(nix::errno::Errno::EIO));
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 494 -                 return Err(nix::Error::Sys(nix::errno::Errno::EIO));
[INFO] [stdout] 494 +                 return Err(nix::Error::Sys(errno::Errno::EIO));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:579:31
[INFO] [stdout]     |
[INFO] [stdout] 579 |             return Err(nix::Error::Sys(nix::errno::Errno::EIO));
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 579 -             return Err(nix::Error::Sys(nix::errno::Errno::EIO));
[INFO] [stdout] 579 +             return Err(nix::Error::Sys(errno::Errno::EIO));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:289:22
[INFO] [stdout]     |
[INFO] [stdout] 289 |                     unistd::setpgid(unistd::Pid::from_raw(0), unistd::Pid::from_raw(0)).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 289 -                     unistd::setpgid(unistd::Pid::from_raw(0), unistd::Pid::from_raw(0)).unwrap();
[INFO] [stdout] 289 +                     unistd::setpgid(Pid::from_raw(0), unistd::Pid::from_raw(0)).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:289:48
[INFO] [stdout]     |
[INFO] [stdout] 289 |                     unistd::setpgid(unistd::Pid::from_raw(0), unistd::Pid::from_raw(0)).unwrap();
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 289 -                     unistd::setpgid(unistd::Pid::from_raw(0), unistd::Pid::from_raw(0)).unwrap();
[INFO] [stdout] 289 +                     unistd::setpgid(unistd::Pid::from_raw(0), Pid::from_raw(0)).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:341:41
[INFO] [stdout]     |
[INFO] [stdout] 341 |                         .and_then(|group| unistd::setpgid(unistd::Pid::from_raw(0), group))
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 341 -                         .and_then(|group| unistd::setpgid(unistd::Pid::from_raw(0), group))
[INFO] [stdout] 341 +                         .and_then(|group| unistd::setpgid(Pid::from_raw(0), group))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:418:16
[INFO] [stdout]     |
[INFO] [stdout] 418 |     for signal in signal::Signal::iterator() {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 418 -     for signal in signal::Signal::iterator() {
[INFO] [stdout] 418 +     for signal in Signal::iterator() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:419:16
[INFO] [stdout]     |
[INFO] [stdout] 419 |         if signal == signal::Signal::SIGKILL || signal == signal::Signal::SIGSTOP {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 419 -         if signal == signal::Signal::SIGKILL || signal == signal::Signal::SIGSTOP {
[INFO] [stdout] 419 +         if signal == Signal::SIGKILL || signal == signal::Signal::SIGSTOP {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:419:53
[INFO] [stdout]     |
[INFO] [stdout] 419 |         if signal == signal::Signal::SIGKILL || signal == signal::Signal::SIGSTOP {
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 419 -         if signal == signal::Signal::SIGKILL || signal == signal::Signal::SIGSTOP {
[INFO] [stdout] 419 +         if signal == signal::Signal::SIGKILL || signal == Signal::SIGSTOP {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:444:21
[INFO] [stdout]     |
[INFO] [stdout] 444 |             libc::CMSG_SPACE(std::mem::size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 444 -             libc::CMSG_SPACE(std::mem::size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stdout] 444 +             libc::CMSG_SPACE(size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:450:24
[INFO] [stdout]     |
[INFO] [stdout] 450 |         msg.msg_controllen = mem::size_of_val(&buf).try_into().unwrap();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 450 -         msg.msg_controllen = mem::size_of_val(&buf).try_into().unwrap();
[INFO] [stdout] 450 +         msg.msg_controllen = size_of_val(&buf).try_into().unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:465:22
[INFO] [stdout]     |
[INFO] [stdout] 465 |                 (libc::CMSG_LEN((mem::size_of::<[libc::c_int; 1]>()).try_into().unwrap())
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 465 -                 (libc::CMSG_LEN((mem::size_of::<[libc::c_int; 1]>()).try_into().unwrap())
[INFO] [stdout] 465 +                 (libc::CMSG_LEN((size_of::<[libc::c_int; 1]>()).try_into().unwrap())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:480:21
[INFO] [stdout]     |
[INFO] [stdout] 480 |             libc::CMSG_SPACE(std::mem::size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 480 -             libc::CMSG_SPACE(std::mem::size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stdout] 480 +             libc::CMSG_SPACE(size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:493:24
[INFO] [stdout]     |
[INFO] [stdout] 493 |         msg.msg_controllen = mem::size_of_val(&buf).try_into().unwrap();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 493 -         msg.msg_controllen = mem::size_of_val(&buf).try_into().unwrap();
[INFO] [stdout] 493 +         msg.msg_controllen = size_of_val(&buf).try_into().unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/process.rs:146:23
[INFO] [stdout]     |
[INFO] [stdout] 146 |             let _ = owns.state.compare_and_swap(0, 1, Ordering::Relaxed);
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> src/env.rs:266:5
[INFO] [stdout]     |
[INFO] [stdout] 266 |                 &mut environ
[INFO] [stdout]     |                 ^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] help: use `&raw mut` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 266 |                 &raw mut environ
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/ext.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         fn to_hex(&self) -> Hex; // TODO: make impl Iterator when poss
[INFO] [stdout]    |                   ^^^^^     --- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |         fn to_hex(&self) -> Hex<'_>; // TODO: make impl Iterator when poss
[INFO] [stdout]    |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/ext.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         fn to_hex(&self) -> Hex {
[INFO] [stdout]    |                   ^^^^^     --- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 35 |         fn to_hex(&self) -> Hex<'_> {
[INFO] [stdout]    |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.60s
[INFO] running `Command { std: "docker" "inspect" "2e7e74fe799c60cd1bdc7f0db07617b2a2c5375b8a6e96669398ed49aa947543", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e7e74fe799c60cd1bdc7f0db07617b2a2c5375b8a6e96669398ed49aa947543", kill_on_drop: false }`
[INFO] [stdout] 2e7e74fe799c60cd1bdc7f0db07617b2a2c5375b8a6e96669398ed49aa947543
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 668c105fa6951cdf6b8abdcc143de28ba2f21a1a4303572cad17198380dff720
[INFO] running `Command { std: "docker" "start" "-a" "668c105fa6951cdf6b8abdcc143de28ba2f21a1a4303572cad17198380dff720", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:274:22
[INFO] [stdout]     |
[INFO] [stdout] 274 |     Err(nix::Error::Sys(nix::errno::Errno::last()))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:17:2
[INFO] [stdout]     |
[INFO] [stdout] 17  |     unused_qualifications,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 274 -     Err(nix::Error::Sys(nix::errno::Errno::last()))
[INFO] [stdout] 274 +     Err(nix::Error::Sys(errno::Errno::last()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:293:13
[INFO] [stdout]     |
[INFO] [stdout] 293 |     let rand = nix::fcntl::open(
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 293 -     let rand = nix::fcntl::open(
[INFO] [stdout] 293 +     let rand = fcntl::open(
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:296:3
[INFO] [stdout]     |
[INFO] [stdout] 296 |         nix::sys::stat::Mode::empty(),
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 296 -         nix::sys::stat::Mode::empty(),
[INFO] [stdout] 296 +         stat::Mode::empty(),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:303:2
[INFO] [stdout]     |
[INFO] [stdout] 303 |     std::fmt::Write::write_fmt(&mut ret, format_args!("{}{}", prefix, random.to_hex())).unwrap();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 303 -     std::fmt::Write::write_fmt(&mut ret, format_args!("{}{}", prefix, random.to_hex())).unwrap();
[INFO] [stdout] 303 +     fmt::Write::write_fmt(&mut ret, format_args!("{}{}", prefix, random.to_hex())).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:310:36
[INFO] [stdout]     |
[INFO] [stdout] 310 |     let mut res = Err(nix::Error::Sys(nix::errno::Errno::ENOSYS));
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 310 -     let mut res = Err(nix::Error::Sys(nix::errno::Errno::ENOSYS));
[INFO] [stdout] 310 +     let mut res = Err(nix::Error::Sys(errno::Errno::ENOSYS));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:334:24
[INFO] [stdout]     |
[INFO] [stdout] 334 |             Err(nix::Error::Sys(nix::errno::Errno::last()))
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 334 -             Err(nix::Error::Sys(nix::errno::Errno::last()))
[INFO] [stdout] 334 +             Err(nix::Error::Sys(errno::Errno::last()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:337:32
[INFO] [stdout]     |
[INFO] [stdout] 337 |     if res == Err(nix::Error::Sys(nix::errno::Errno::ENOSYS)) {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 337 -     if res == Err(nix::Error::Sys(nix::errno::Errno::ENOSYS)) {
[INFO] [stdout] 337 +     if res == Err(nix::Error::Sys(errno::Errno::ENOSYS)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:342:30
[INFO] [stdout]     |
[INFO] [stdout] 342 |             res = Err(nix::Error::Sys(nix::errno::Errno::ENOSYS));
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 342 -             res = Err(nix::Error::Sys(nix::errno::Errno::ENOSYS));
[INFO] [stdout] 342 +             res = Err(nix::Error::Sys(errno::Errno::ENOSYS));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:345:32
[INFO] [stdout]     |
[INFO] [stdout] 345 |     if res == Err(nix::Error::Sys(nix::errno::Errno::ENOSYS)) {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 345 -     if res == Err(nix::Error::Sys(nix::errno::Errno::ENOSYS)) {
[INFO] [stdout] 345 +     if res == Err(nix::Error::Sys(errno::Errno::ENOSYS)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:419:2
[INFO] [stdout]     |
[INFO] [stdout] 419 |     std::fmt::Write::write_fmt(&mut to_path2, format_args!("{}", hash.to_hex())).unwrap();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 419 -     std::fmt::Write::write_fmt(&mut to_path2, format_args!("{}", hash.to_hex())).unwrap();
[INFO] [stdout] 419 +     fmt::Write::write_fmt(&mut to_path2, format_args!("{}", hash.to_hex())).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:494:32
[INFO] [stdout]     |
[INFO] [stdout] 494 |                 return Err(nix::Error::Sys(nix::errno::Errno::EIO));
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 494 -                 return Err(nix::Error::Sys(nix::errno::Errno::EIO));
[INFO] [stdout] 494 +                 return Err(nix::Error::Sys(errno::Errno::EIO));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:579:31
[INFO] [stdout]     |
[INFO] [stdout] 579 |             return Err(nix::Error::Sys(nix::errno::Errno::EIO));
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 579 -             return Err(nix::Error::Sys(nix::errno::Errno::EIO));
[INFO] [stdout] 579 +             return Err(nix::Error::Sys(errno::Errno::EIO));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:289:22
[INFO] [stdout]     |
[INFO] [stdout] 289 |                     unistd::setpgid(unistd::Pid::from_raw(0), unistd::Pid::from_raw(0)).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 289 -                     unistd::setpgid(unistd::Pid::from_raw(0), unistd::Pid::from_raw(0)).unwrap();
[INFO] [stdout] 289 +                     unistd::setpgid(Pid::from_raw(0), unistd::Pid::from_raw(0)).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:289:48
[INFO] [stdout]     |
[INFO] [stdout] 289 |                     unistd::setpgid(unistd::Pid::from_raw(0), unistd::Pid::from_raw(0)).unwrap();
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 289 -                     unistd::setpgid(unistd::Pid::from_raw(0), unistd::Pid::from_raw(0)).unwrap();
[INFO] [stdout] 289 +                     unistd::setpgid(unistd::Pid::from_raw(0), Pid::from_raw(0)).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:341:41
[INFO] [stdout]     |
[INFO] [stdout] 341 |                         .and_then(|group| unistd::setpgid(unistd::Pid::from_raw(0), group))
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 341 -                         .and_then(|group| unistd::setpgid(unistd::Pid::from_raw(0), group))
[INFO] [stdout] 341 +                         .and_then(|group| unistd::setpgid(Pid::from_raw(0), group))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:418:16
[INFO] [stdout]     |
[INFO] [stdout] 418 |     for signal in signal::Signal::iterator() {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 418 -     for signal in signal::Signal::iterator() {
[INFO] [stdout] 418 +     for signal in Signal::iterator() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:419:16
[INFO] [stdout]     |
[INFO] [stdout] 419 |         if signal == signal::Signal::SIGKILL || signal == signal::Signal::SIGSTOP {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 419 -         if signal == signal::Signal::SIGKILL || signal == signal::Signal::SIGSTOP {
[INFO] [stdout] 419 +         if signal == Signal::SIGKILL || signal == signal::Signal::SIGSTOP {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:419:53
[INFO] [stdout]     |
[INFO] [stdout] 419 |         if signal == signal::Signal::SIGKILL || signal == signal::Signal::SIGSTOP {
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 419 -         if signal == signal::Signal::SIGKILL || signal == signal::Signal::SIGSTOP {
[INFO] [stdout] 419 +         if signal == signal::Signal::SIGKILL || signal == Signal::SIGSTOP {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:444:21
[INFO] [stdout]     |
[INFO] [stdout] 444 |             libc::CMSG_SPACE(std::mem::size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 444 -             libc::CMSG_SPACE(std::mem::size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stdout] 444 +             libc::CMSG_SPACE(size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:450:24
[INFO] [stdout]     |
[INFO] [stdout] 450 |         msg.msg_controllen = mem::size_of_val(&buf).try_into().unwrap();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 450 -         msg.msg_controllen = mem::size_of_val(&buf).try_into().unwrap();
[INFO] [stdout] 450 +         msg.msg_controllen = size_of_val(&buf).try_into().unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:465:22
[INFO] [stdout]     |
[INFO] [stdout] 465 |                 (libc::CMSG_LEN((mem::size_of::<[libc::c_int; 1]>()).try_into().unwrap())
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 465 -                 (libc::CMSG_LEN((mem::size_of::<[libc::c_int; 1]>()).try_into().unwrap())
[INFO] [stdout] 465 +                 (libc::CMSG_LEN((size_of::<[libc::c_int; 1]>()).try_into().unwrap())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:480:21
[INFO] [stdout]     |
[INFO] [stdout] 480 |             libc::CMSG_SPACE(std::mem::size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 480 -             libc::CMSG_SPACE(std::mem::size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stdout] 480 +             libc::CMSG_SPACE(size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:493:24
[INFO] [stdout]     |
[INFO] [stdout] 493 |         msg.msg_controllen = mem::size_of_val(&buf).try_into().unwrap();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 493 -         msg.msg_controllen = mem::size_of_val(&buf).try_into().unwrap();
[INFO] [stdout] 493 +         msg.msg_controllen = size_of_val(&buf).try_into().unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/process.rs:146:23
[INFO] [stdout]     |
[INFO] [stdout] 146 |             let _ = owns.state.compare_and_swap(0, 1, Ordering::Relaxed);
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> src/env.rs:266:5
[INFO] [stdout]     |
[INFO] [stdout] 266 |                 &mut environ
[INFO] [stdout]     |                 ^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] help: use `&raw mut` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 266 |                 &raw mut environ
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/ext.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         fn to_hex(&self) -> Hex; // TODO: make impl Iterator when poss
[INFO] [stdout]    |                   ^^^^^     --- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |         fn to_hex(&self) -> Hex<'_>; // TODO: make impl Iterator when poss
[INFO] [stdout]    |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/ext.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         fn to_hex(&self) -> Hex {
[INFO] [stdout]    |                   ^^^^^     --- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 35 |         fn to_hex(&self) -> Hex<'_> {
[INFO] [stdout]    |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling serde_json v1.0.47
[INFO] [stderr]    Compiling palaver v0.3.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for the crate
[INFO] [stdout]    --> tests/env.rs:1:1
[INFO] [stdout]     |
[INFO] [stdout] 1   | / #![warn(
[INFO] [stdout] 2   | |     missing_copy_implementations,
[INFO] [stdout] 3   | |     missing_debug_implementations,
[INFO] [stdout] 4   | |     missing_docs,
[INFO] [stdout] ...   |
[INFO] [stdout] 109 | |     vars
[INFO] [stdout] 110 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> tests/env.rs:4:2
[INFO] [stdout]     |
[INFO] [stdout] 4   |     missing_docs,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:274:22
[INFO] [stdout]     |
[INFO] [stdout] 274 |     Err(nix::Error::Sys(nix::errno::Errno::last()))
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:17:2
[INFO] [stdout]     |
[INFO] [stdout] 17  |     unused_qualifications,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 274 -     Err(nix::Error::Sys(nix::errno::Errno::last()))
[INFO] [stdout] 274 +     Err(nix::Error::Sys(errno::Errno::last()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:293:13
[INFO] [stdout]     |
[INFO] [stdout] 293 |     let rand = nix::fcntl::open(
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 293 -     let rand = nix::fcntl::open(
[INFO] [stdout] 293 +     let rand = fcntl::open(
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:296:3
[INFO] [stdout]     |
[INFO] [stdout] 296 |         nix::sys::stat::Mode::empty(),
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 296 -         nix::sys::stat::Mode::empty(),
[INFO] [stdout] 296 +         stat::Mode::empty(),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:303:2
[INFO] [stdout]     |
[INFO] [stdout] 303 |     std::fmt::Write::write_fmt(&mut ret, format_args!("{}{}", prefix, random.to_hex())).unwrap();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 303 -     std::fmt::Write::write_fmt(&mut ret, format_args!("{}{}", prefix, random.to_hex())).unwrap();
[INFO] [stdout] 303 +     fmt::Write::write_fmt(&mut ret, format_args!("{}{}", prefix, random.to_hex())).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:310:36
[INFO] [stdout]     |
[INFO] [stdout] 310 |     let mut res = Err(nix::Error::Sys(nix::errno::Errno::ENOSYS));
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 310 -     let mut res = Err(nix::Error::Sys(nix::errno::Errno::ENOSYS));
[INFO] [stdout] 310 +     let mut res = Err(nix::Error::Sys(errno::Errno::ENOSYS));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:334:24
[INFO] [stdout]     |
[INFO] [stdout] 334 |             Err(nix::Error::Sys(nix::errno::Errno::last()))
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 334 -             Err(nix::Error::Sys(nix::errno::Errno::last()))
[INFO] [stdout] 334 +             Err(nix::Error::Sys(errno::Errno::last()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:337:32
[INFO] [stdout]     |
[INFO] [stdout] 337 |     if res == Err(nix::Error::Sys(nix::errno::Errno::ENOSYS)) {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 337 -     if res == Err(nix::Error::Sys(nix::errno::Errno::ENOSYS)) {
[INFO] [stdout] 337 +     if res == Err(nix::Error::Sys(errno::Errno::ENOSYS)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:342:30
[INFO] [stdout]     |
[INFO] [stdout] 342 |             res = Err(nix::Error::Sys(nix::errno::Errno::ENOSYS));
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 342 -             res = Err(nix::Error::Sys(nix::errno::Errno::ENOSYS));
[INFO] [stdout] 342 +             res = Err(nix::Error::Sys(errno::Errno::ENOSYS));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:345:32
[INFO] [stdout]     |
[INFO] [stdout] 345 |     if res == Err(nix::Error::Sys(nix::errno::Errno::ENOSYS)) {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 345 -     if res == Err(nix::Error::Sys(nix::errno::Errno::ENOSYS)) {
[INFO] [stdout] 345 +     if res == Err(nix::Error::Sys(errno::Errno::ENOSYS)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:419:2
[INFO] [stdout]     |
[INFO] [stdout] 419 |     std::fmt::Write::write_fmt(&mut to_path2, format_args!("{}", hash.to_hex())).unwrap();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 419 -     std::fmt::Write::write_fmt(&mut to_path2, format_args!("{}", hash.to_hex())).unwrap();
[INFO] [stdout] 419 +     fmt::Write::write_fmt(&mut to_path2, format_args!("{}", hash.to_hex())).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:494:32
[INFO] [stdout]     |
[INFO] [stdout] 494 |                 return Err(nix::Error::Sys(nix::errno::Errno::EIO));
[INFO] [stdout]     |                                            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 494 -                 return Err(nix::Error::Sys(nix::errno::Errno::EIO));
[INFO] [stdout] 494 +                 return Err(nix::Error::Sys(errno::Errno::EIO));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/file.rs:579:31
[INFO] [stdout]     |
[INFO] [stdout] 579 |             return Err(nix::Error::Sys(nix::errno::Errno::EIO));
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 579 -             return Err(nix::Error::Sys(nix::errno::Errno::EIO));
[INFO] [stdout] 579 +             return Err(nix::Error::Sys(errno::Errno::EIO));
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:289:22
[INFO] [stdout]     |
[INFO] [stdout] 289 |                     unistd::setpgid(unistd::Pid::from_raw(0), unistd::Pid::from_raw(0)).unwrap();
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 289 -                     unistd::setpgid(unistd::Pid::from_raw(0), unistd::Pid::from_raw(0)).unwrap();
[INFO] [stdout] 289 +                     unistd::setpgid(Pid::from_raw(0), unistd::Pid::from_raw(0)).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:289:48
[INFO] [stdout]     |
[INFO] [stdout] 289 |                     unistd::setpgid(unistd::Pid::from_raw(0), unistd::Pid::from_raw(0)).unwrap();
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 289 -                     unistd::setpgid(unistd::Pid::from_raw(0), unistd::Pid::from_raw(0)).unwrap();
[INFO] [stdout] 289 +                     unistd::setpgid(unistd::Pid::from_raw(0), Pid::from_raw(0)).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:341:41
[INFO] [stdout]     |
[INFO] [stdout] 341 |                         .and_then(|group| unistd::setpgid(unistd::Pid::from_raw(0), group))
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 341 -                         .and_then(|group| unistd::setpgid(unistd::Pid::from_raw(0), group))
[INFO] [stdout] 341 +                         .and_then(|group| unistd::setpgid(Pid::from_raw(0), group))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:418:16
[INFO] [stdout]     |
[INFO] [stdout] 418 |     for signal in signal::Signal::iterator() {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 418 -     for signal in signal::Signal::iterator() {
[INFO] [stdout] 418 +     for signal in Signal::iterator() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:419:16
[INFO] [stdout]     |
[INFO] [stdout] 419 |         if signal == signal::Signal::SIGKILL || signal == signal::Signal::SIGSTOP {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 419 -         if signal == signal::Signal::SIGKILL || signal == signal::Signal::SIGSTOP {
[INFO] [stdout] 419 +         if signal == Signal::SIGKILL || signal == signal::Signal::SIGSTOP {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:419:53
[INFO] [stdout]     |
[INFO] [stdout] 419 |         if signal == signal::Signal::SIGKILL || signal == signal::Signal::SIGSTOP {
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 419 -         if signal == signal::Signal::SIGKILL || signal == signal::Signal::SIGSTOP {
[INFO] [stdout] 419 +         if signal == signal::Signal::SIGKILL || signal == Signal::SIGSTOP {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:444:21
[INFO] [stdout]     |
[INFO] [stdout] 444 |             libc::CMSG_SPACE(std::mem::size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 444 -             libc::CMSG_SPACE(std::mem::size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stdout] 444 +             libc::CMSG_SPACE(size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:450:24
[INFO] [stdout]     |
[INFO] [stdout] 450 |         msg.msg_controllen = mem::size_of_val(&buf).try_into().unwrap();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 450 -         msg.msg_controllen = mem::size_of_val(&buf).try_into().unwrap();
[INFO] [stdout] 450 +         msg.msg_controllen = size_of_val(&buf).try_into().unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:465:22
[INFO] [stdout]     |
[INFO] [stdout] 465 |                 (libc::CMSG_LEN((mem::size_of::<[libc::c_int; 1]>()).try_into().unwrap())
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 465 -                 (libc::CMSG_LEN((mem::size_of::<[libc::c_int; 1]>()).try_into().unwrap())
[INFO] [stdout] 465 +                 (libc::CMSG_LEN((size_of::<[libc::c_int; 1]>()).try_into().unwrap())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:480:21
[INFO] [stdout]     |
[INFO] [stdout] 480 |             libc::CMSG_SPACE(std::mem::size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 480 -             libc::CMSG_SPACE(std::mem::size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stdout] 480 +             libc::CMSG_SPACE(size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]    --> src/process.rs:493:24
[INFO] [stdout]     |
[INFO] [stdout] 493 |         msg.msg_controllen = mem::size_of_val(&buf).try_into().unwrap();
[INFO] [stdout]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 493 -         msg.msg_controllen = mem::size_of_val(&buf).try_into().unwrap();
[INFO] [stdout] 493 +         msg.msg_controllen = size_of_val(&buf).try_into().unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/process.rs:146:23
[INFO] [stdout]     |
[INFO] [stdout] 146 |             let _ = owns.state.compare_and_swap(0, 1, Ordering::Relaxed);
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]    --> src/env.rs:266:5
[INFO] [stdout]     |
[INFO] [stdout] 266 |                 &mut environ
[INFO] [stdout]     |                 ^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] help: use `&raw mut` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 266 |                 &raw mut environ
[INFO] [stdout]     |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/ext.rs:32:13
[INFO] [stdout]    |
[INFO] [stdout] 32 |         fn to_hex(&self) -> Hex; // TODO: make impl Iterator when poss
[INFO] [stdout]    |                   ^^^^^     --- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |         fn to_hex(&self) -> Hex<'_>; // TODO: make impl Iterator when poss
[INFO] [stdout]    |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/ext.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |         fn to_hex(&self) -> Hex {
[INFO] [stdout]    |                   ^^^^^     --- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 35 |         fn to_hex(&self) -> Hex<'_> {
[INFO] [stdout]    |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 41.07s
[INFO] running `Command { std: "docker" "inspect" "668c105fa6951cdf6b8abdcc143de28ba2f21a1a4303572cad17198380dff720", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "668c105fa6951cdf6b8abdcc143de28ba2f21a1a4303572cad17198380dff720", kill_on_drop: false }`
[INFO] [stdout] 668c105fa6951cdf6b8abdcc143de28ba2f21a1a4303572cad17198380dff720
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bba664749b3dc8bc055d1769b90006334c6188dbc581f824cbcbc4a672f3abac
[INFO] running `Command { std: "docker" "start" "-a" "bba664749b3dc8bc055d1769b90006334c6188dbc581f824cbcbc4a672f3abac", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/file.rs:274:22
[INFO] [stderr]     |
[INFO] [stderr] 274 |     Err(nix::Error::Sys(nix::errno::Errno::last()))
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:17:2
[INFO] [stderr]     |
[INFO] [stderr] 17  |     unused_qualifications,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr] 274 -     Err(nix::Error::Sys(nix::errno::Errno::last()))
[INFO] [stderr] 274 +     Err(nix::Error::Sys(errno::Errno::last()))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/file.rs:293:13
[INFO] [stderr]     |
[INFO] [stderr] 293 |     let rand = nix::fcntl::open(
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr] 293 -     let rand = nix::fcntl::open(
[INFO] [stderr] 293 +     let rand = fcntl::open(
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/file.rs:296:3
[INFO] [stderr]     |
[INFO] [stderr] 296 |         nix::sys::stat::Mode::empty(),
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr] 296 -         nix::sys::stat::Mode::empty(),
[INFO] [stderr] 296 +         stat::Mode::empty(),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/file.rs:303:2
[INFO] [stderr]     |
[INFO] [stderr] 303 |     std::fmt::Write::write_fmt(&mut ret, format_args!("{}{}", prefix, random.to_hex())).unwrap();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr] 303 -     std::fmt::Write::write_fmt(&mut ret, format_args!("{}{}", prefix, random.to_hex())).unwrap();
[INFO] [stderr] 303 +     fmt::Write::write_fmt(&mut ret, format_args!("{}{}", prefix, random.to_hex())).unwrap();
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/file.rs:310:36
[INFO] [stderr]     |
[INFO] [stderr] 310 |     let mut res = Err(nix::Error::Sys(nix::errno::Errno::ENOSYS));
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr] 310 -     let mut res = Err(nix::Error::Sys(nix::errno::Errno::ENOSYS));
[INFO] [stderr] 310 +     let mut res = Err(nix::Error::Sys(errno::Errno::ENOSYS));
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/file.rs:334:24
[INFO] [stderr]     |
[INFO] [stderr] 334 |             Err(nix::Error::Sys(nix::errno::Errno::last()))
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr] 334 -             Err(nix::Error::Sys(nix::errno::Errno::last()))
[INFO] [stderr] 334 +             Err(nix::Error::Sys(errno::Errno::last()))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/file.rs:337:32
[INFO] [stderr]     |
[INFO] [stderr] 337 |     if res == Err(nix::Error::Sys(nix::errno::Errno::ENOSYS)) {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr] 337 -     if res == Err(nix::Error::Sys(nix::errno::Errno::ENOSYS)) {
[INFO] [stderr] 337 +     if res == Err(nix::Error::Sys(errno::Errno::ENOSYS)) {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/file.rs:342:30
[INFO] [stderr]     |
[INFO] [stderr] 342 |             res = Err(nix::Error::Sys(nix::errno::Errno::ENOSYS));
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr] 342 -             res = Err(nix::Error::Sys(nix::errno::Errno::ENOSYS));
[INFO] [stderr] 342 +             res = Err(nix::Error::Sys(errno::Errno::ENOSYS));
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/file.rs:345:32
[INFO] [stderr]     |
[INFO] [stderr] 345 |     if res == Err(nix::Error::Sys(nix::errno::Errno::ENOSYS)) {
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr] 345 -     if res == Err(nix::Error::Sys(nix::errno::Errno::ENOSYS)) {
[INFO] [stderr] 345 +     if res == Err(nix::Error::Sys(errno::Errno::ENOSYS)) {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/file.rs:419:2
[INFO] [stderr]     |
[INFO] [stderr] 419 |     std::fmt::Write::write_fmt(&mut to_path2, format_args!("{}", hash.to_hex())).unwrap();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr] 419 -     std::fmt::Write::write_fmt(&mut to_path2, format_args!("{}", hash.to_hex())).unwrap();
[INFO] [stderr] 419 +     fmt::Write::write_fmt(&mut to_path2, format_args!("{}", hash.to_hex())).unwrap();
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/file.rs:494:32
[INFO] [stderr]     |
[INFO] [stderr] 494 |                 return Err(nix::Error::Sys(nix::errno::Errno::EIO));
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr] 494 -                 return Err(nix::Error::Sys(nix::errno::Errno::EIO));
[INFO] [stderr] 494 +                 return Err(nix::Error::Sys(errno::Errno::EIO));
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/file.rs:579:31
[INFO] [stderr]     |
[INFO] [stderr] 579 |             return Err(nix::Error::Sys(nix::errno::Errno::EIO));
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr] 579 -             return Err(nix::Error::Sys(nix::errno::Errno::EIO));
[INFO] [stderr] 579 +             return Err(nix::Error::Sys(errno::Errno::EIO));
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/process.rs:289:22
[INFO] [stderr]     |
[INFO] [stderr] 289 |                     unistd::setpgid(unistd::Pid::from_raw(0), unistd::Pid::from_raw(0)).unwrap();
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr] 289 -                     unistd::setpgid(unistd::Pid::from_raw(0), unistd::Pid::from_raw(0)).unwrap();
[INFO] [stderr] 289 +                     unistd::setpgid(Pid::from_raw(0), unistd::Pid::from_raw(0)).unwrap();
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/process.rs:289:48
[INFO] [stderr]     |
[INFO] [stderr] 289 |                     unistd::setpgid(unistd::Pid::from_raw(0), unistd::Pid::from_raw(0)).unwrap();
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr] 289 -                     unistd::setpgid(unistd::Pid::from_raw(0), unistd::Pid::from_raw(0)).unwrap();
[INFO] [stderr] 289 +                     unistd::setpgid(unistd::Pid::from_raw(0), Pid::from_raw(0)).unwrap();
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/process.rs:341:41
[INFO] [stderr]     |
[INFO] [stderr] 341 |                         .and_then(|group| unistd::setpgid(unistd::Pid::from_raw(0), group))
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr] 341 -                         .and_then(|group| unistd::setpgid(unistd::Pid::from_raw(0), group))
[INFO] [stderr] 341 +                         .and_then(|group| unistd::setpgid(Pid::from_raw(0), group))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/process.rs:418:16
[INFO] [stderr]     |
[INFO] [stderr] 418 |     for signal in signal::Signal::iterator() {
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr] 418 -     for signal in signal::Signal::iterator() {
[INFO] [stderr] 418 +     for signal in Signal::iterator() {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/process.rs:419:16
[INFO] [stderr]     |
[INFO] [stderr] 419 |         if signal == signal::Signal::SIGKILL || signal == signal::Signal::SIGSTOP {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr] 419 -         if signal == signal::Signal::SIGKILL || signal == signal::Signal::SIGSTOP {
[INFO] [stderr] 419 +         if signal == Signal::SIGKILL || signal == signal::Signal::SIGSTOP {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/process.rs:419:53
[INFO] [stderr]     |
[INFO] [stderr] 419 |         if signal == signal::Signal::SIGKILL || signal == signal::Signal::SIGSTOP {
[INFO] [stderr]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr] 419 -         if signal == signal::Signal::SIGKILL || signal == signal::Signal::SIGSTOP {
[INFO] [stderr] 419 +         if signal == signal::Signal::SIGKILL || signal == Signal::SIGSTOP {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/process.rs:444:21
[INFO] [stderr]     |
[INFO] [stderr] 444 |             libc::CMSG_SPACE(std::mem::size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr] 444 -             libc::CMSG_SPACE(std::mem::size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stderr] 444 +             libc::CMSG_SPACE(size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/process.rs:450:24
[INFO] [stderr]     |
[INFO] [stderr] 450 |         msg.msg_controllen = mem::size_of_val(&buf).try_into().unwrap();
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr] 450 -         msg.msg_controllen = mem::size_of_val(&buf).try_into().unwrap();
[INFO] [stderr] 450 +         msg.msg_controllen = size_of_val(&buf).try_into().unwrap();
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/process.rs:465:22
[INFO] [stderr]     |
[INFO] [stderr] 465 |                 (libc::CMSG_LEN((mem::size_of::<[libc::c_int; 1]>()).try_into().unwrap())
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr] 465 -                 (libc::CMSG_LEN((mem::size_of::<[libc::c_int; 1]>()).try_into().unwrap())
[INFO] [stderr] 465 +                 (libc::CMSG_LEN((size_of::<[libc::c_int; 1]>()).try_into().unwrap())
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/process.rs:480:21
[INFO] [stderr]     |
[INFO] [stderr] 480 |             libc::CMSG_SPACE(std::mem::size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr] 480 -             libc::CMSG_SPACE(std::mem::size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stderr] 480 +             libc::CMSG_SPACE(size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]    --> src/process.rs:493:24
[INFO] [stderr]     |
[INFO] [stderr] 493 |         msg.msg_controllen = mem::size_of_val(&buf).try_into().unwrap();
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]     |
[INFO] [stderr] 493 -         msg.msg_controllen = mem::size_of_val(&buf).try_into().unwrap();
[INFO] [stderr] 493 +         msg.msg_controllen = size_of_val(&buf).try_into().unwrap();
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicU8::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/process.rs:146:23
[INFO] [stderr]     |
[INFO] [stderr] 146 |             let _ = owns.state.compare_and_swap(0, 1, Ordering::Relaxed);
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: creating a mutable reference to mutable static
[INFO] [stderr]    --> src/env.rs:266:5
[INFO] [stderr]     |
[INFO] [stderr] 266 |                 &mut environ
[INFO] [stderr]     |                 ^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]     = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stderr]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stderr] help: use `&raw mut` instead to create a raw pointer
[INFO] [stderr]     |
[INFO] [stderr] 266 |                 &raw mut environ
[INFO] [stderr]     |                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/ext.rs:32:13
[INFO] [stderr]    |
[INFO] [stderr] 32 |         fn to_hex(&self) -> Hex; // TODO: make impl Iterator when poss
[INFO] [stderr]    |                   ^^^^^     --- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 32 |         fn to_hex(&self) -> Hex<'_>; // TODO: make impl Iterator when poss
[INFO] [stderr]    |                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/ext.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |         fn to_hex(&self) -> Hex {
[INFO] [stderr]    |                   ^^^^^     --- the lifetime gets resolved as `'_`
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]    |
[INFO] [stderr] 35 |         fn to_hex(&self) -> Hex<'_> {
[INFO] [stderr]    |                                ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `palaver` (lib) generated 27 warnings (run `cargo fix --lib -p palaver` to apply 23 suggestions)
[INFO] [stderr] warning: missing documentation for the crate
[INFO] [stderr]    --> tests/env.rs:1:1
[INFO] [stderr]     |
[INFO] [stderr] 1   | / #![warn(
[INFO] [stderr] 2   | |     missing_copy_implementations,
[INFO] [stderr] 3   | |     missing_debug_implementations,
[INFO] [stderr] 4   | |     missing_docs,
[INFO] [stderr] ...   |
[INFO] [stderr] 109 | |     vars
[INFO] [stderr] 110 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> tests/env.rs:4:2
[INFO] [stderr]     |
[INFO] [stderr] 4   |     missing_docs,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `palaver` (lib test) generated 27 warnings (27 duplicates)
[INFO] [stderr] warning: `palaver` (test "env") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/palaver-0d7207ecca7a9574)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test thread::tests::count ... ignored
[INFO] [stdout] test env::tests::same ... ok
[INFO] [stdout] test process::tests::count ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/env.rs (/opt/rustwide/target/debug/deps/env-cd0e157dd7b2e8b9)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test same_as_rust ... ok
[INFO] [stdout] test echo ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 30.38s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/fd_iter.rs (/opt/rustwide/target/debug/deps/fd_iter-0562631d5fa66438)
[INFO] [stdout] 0
[INFO] [stdout] 1
[INFO] [stdout] 2
[INFO] [stderr]      Running tests/fork.rs (/opt/rustwide/target/debug/deps/fork-0fa4014232f67c74)
[INFO] [stdout] multithreaded
[INFO] [stderr] 
[INFO] [stderr] thread 'main' panicked at tests/fork.rs:170:38:
[INFO] [stderr] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x585707edc282 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x585707edc282 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x585707edc282 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x585707edc282 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x585707efcb93 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]    5:     0x585707efcb93 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stderr]    6:     0x585707ed96e3 - std::io::default_write_fmt::h1470b6bb31d733fd
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x585707ed96e3 - std::io::Write::write_fmt::hd8146ab3991543d1
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]    8:     0x585707edc0d2 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    9:     0x585707edd0a6 - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stderr]   10:     0x585707edcea9 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:327:9
[INFO] [stderr]   11:     0x585707eddab2 - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:833:13
[INFO] [stderr]   12:     0x585707edd84a - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stderr]   13:     0x585707edc789 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]   14:     0x585707edd4dd - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stderr]   15:     0x585707efbda0 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stderr]   16:     0x585707efc146 - core::result::unwrap_failed::h31c9775ec1a50121
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1761:5
[INFO] [stderr]   17:     0x585707ea1dba - core::result::Result<T,E>::unwrap::h6f8a2e54ca23f4ec
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/result.rs:1167:23
[INFO] [stderr]   18:     0x585707ea1dba - fork::fork::assert_dead::h93291ac6fc1e5e73
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/fork.rs:170:32
[INFO] [stderr]   19:     0x585707ea1dba - fork::fork::multithreaded::h7821c38008852cdf
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/fork.rs:101:3
[INFO] [stderr]   20:     0x585707ea1dba - fork::fork::main::h5390d16e61ba088a
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/fork.rs:160:3
[INFO] [stderr]   21:     0x585707ea52e3 - core::ops::function::FnOnce::call_once::h8bcb40275eaea6b9
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   22:     0x585707ea52e3 - std::sys::backtrace::__rust_begin_short_backtrace::h6ac4a39073954cd3
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stderr]   23:     0x585707ea4b69 - std::rt::lang_start::{{closure}}::hd388978f9ca218bb
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/rt.rs:206:18
[INFO] [stderr]   24:     0x585707ed50b0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h106557a9d245eb10
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:284:21
[INFO] [stderr]   25:     0x585707ed50b0 - std::panicking::catch_unwind::do_call::h18100d9574045a86
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stderr]   26:     0x585707ed50b0 - std::panicking::catch_unwind::hf9f86a2471d520c7
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stderr]   27:     0x585707ed50b0 - std::panic::catch_unwind::h410688ae8e8348a9
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stderr]   28:     0x585707ed50b0 - std::rt::lang_start_internal::{{closure}}::h42fee7344f1a80c6
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/rt.rs:175:24
[INFO] [stderr]   29:     0x585707ed50b0 - std::panicking::catch_unwind::do_call::h62b4ab9c433ebcfb
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stderr]   30:     0x585707ed50b0 - std::panicking::catch_unwind::h61ceb8228d4a4310
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stderr]   31:     0x585707ed50b0 - std::panic::catch_unwind::hf4a60a68b20bb306
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stderr]   32:     0x585707ed50b0 - std::rt::lang_start_internal::h3478bd2aa4cc9cb2
[INFO] [stderr]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/rt.rs:171:5
[INFO] [stderr]   33:     0x585707ea5c7c - main
[INFO] [stderr]   34:     0x70caefdc31ca - <unknown>
[INFO] [stderr]   35:     0x70caefdc328b - __libc_start_main
[INFO] [stderr]   36:     0x585707ea0845 - _start
[INFO] [stderr]   37:                0x0 - <unknown>
[INFO] [stderr] error: test failed, to rerun pass `--test fork`
[INFO] running `Command { std: "docker" "inspect" "bba664749b3dc8bc055d1769b90006334c6188dbc581f824cbcbc4a672f3abac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bba664749b3dc8bc055d1769b90006334c6188dbc581f824cbcbc4a672f3abac", kill_on_drop: false }`
[INFO] [stdout] bba664749b3dc8bc055d1769b90006334c6188dbc581f824cbcbc4a672f3abac
