[INFO] fetching crate palaver 0.3.0-alpha.3...
[INFO] checking palaver-0.3.0-alpha.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate palaver 0.3.0-alpha.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate palaver 0.3.0-alpha.3 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc1/source/Cargo.toml
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded twox-hash v1.5.0
[INFO] [stderr]   Downloaded heapless v0.5.3
[INFO] [stderr]   Downloaded hex v0.4.1
[INFO] [stderr]   Downloaded valgrind_request v1.1.0
[INFO] [stderr]   Downloaded procfs v0.7.7
[INFO] [stderr]   Downloaded escargot v0.5.0
[INFO] [stderr]   Downloaded generic-array v0.13.2
[INFO] [stderr]   Downloaded nix v0.16.1
[INFO] [stderr]   Downloaded hash32 v0.1.1
[INFO] [stderr]   Downloaded serde_json v1.0.47
[INFO] [stderr]   Downloaded as-slice v0.1.2
[INFO] [stderr]   Downloaded replace_with v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32958fe1e06cca8734bd3399703e79f3cea91f90e41c03c96f38fb93c12afe03
[INFO] running `Command { std: "docker" "start" "-a" "32958fe1e06cca8734bd3399703e79f3cea91f90e41c03c96f38fb93c12afe03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32958fe1e06cca8734bd3399703e79f3cea91f90e41c03c96f38fb93c12afe03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32958fe1e06cca8734bd3399703e79f3cea91f90e41c03c96f38fb93c12afe03", kill_on_drop: false }`
[INFO] [stdout] 32958fe1e06cca8734bd3399703e79f3cea91f90e41c03c96f38fb93c12afe03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81618c918b95951bee3cac98fb8820c60142ee131470405b531df1ae16774fa1
[INFO] running `Command { std: "docker" "start" "-a" "81618c918b95951bee3cac98fb8820c60142ee131470405b531df1ae16774fa1", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling heapless v0.5.3
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]     Checking hex v0.4.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking replace_with v0.1.5
[INFO] [stderr]     Checking procfs v0.7.7
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking as-slice v0.1.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking 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: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/process.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 |     errno::Errno, fcntl, libc, sys::{signal, wait}, unistd::{self, Pid}, Error
[INFO] [stdout]   |                          ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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(mem::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: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(mem::size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/socket.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use nix::{libc, poll, sys::socket};
[INFO] [stdout]   |           ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/thread.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use nix::libc;
[INFO] [stdout]   |     ^^^^^^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/valgrind.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use nix::{errno, libc};
[INFO] [stdout]   |                  ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[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 issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]     = note: this will be a hard error in the 2024 edition
[INFO] [stdout]     = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 266 |                 addr_of_mut!(environ)
[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: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_json v1.0.47
[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: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/process.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 |     errno::Errno, fcntl, libc, sys::{signal, wait}, unistd::{self, Pid}, Error
[INFO] [stdout]   |                          ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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(mem::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: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(mem::size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/socket.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use nix::{libc, poll, sys::socket};
[INFO] [stdout]   |           ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/thread.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use nix::libc;
[INFO] [stdout]   |     ^^^^^^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/valgrind.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use nix::{errno, libc};
[INFO] [stdout]   |                  ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[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 issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]     = note: this will be a hard error in the 2024 edition
[INFO] [stdout]     = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 266 |                 addr_of_mut!(environ)
[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: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.76s
[INFO] running `Command { std: "docker" "inspect" "81618c918b95951bee3cac98fb8820c60142ee131470405b531df1ae16774fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81618c918b95951bee3cac98fb8820c60142ee131470405b531df1ae16774fa1", kill_on_drop: false }`
[INFO] [stdout] 81618c918b95951bee3cac98fb8820c60142ee131470405b531df1ae16774fa1
[INFO] checking palaver-0.3.0-alpha.3 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate palaver 0.3.0-alpha.3 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate palaver 0.3.0-alpha.3 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-6-tc2/source/Cargo.toml
[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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80177acd3c03e4ea7ae7a4bd69d2013041fb3f99f36498deca190742f005364c
[INFO] running `Command { std: "docker" "start" "-a" "80177acd3c03e4ea7ae7a4bd69d2013041fb3f99f36498deca190742f005364c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80177acd3c03e4ea7ae7a4bd69d2013041fb3f99f36498deca190742f005364c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80177acd3c03e4ea7ae7a4bd69d2013041fb3f99f36498deca190742f005364c", kill_on_drop: false }`
[INFO] [stdout] 80177acd3c03e4ea7ae7a4bd69d2013041fb3f99f36498deca190742f005364c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a16269224f905cfe8c834c573cc11ba1de57899da060de0c9faba78261b7da62
[INFO] running `Command { std: "docker" "start" "-a" "a16269224f905cfe8c834c573cc11ba1de57899da060de0c9faba78261b7da62", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling heapless v0.5.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking hex v0.4.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking replace_with v0.1.5
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking procfs v0.7.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking as-slice v0.1.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking 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: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/process.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 |     errno::Errno, fcntl, libc, sys::{signal, wait}, unistd::{self, Pid}, Error
[INFO] [stdout]   |                          ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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(mem::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: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(mem::size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/socket.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use nix::{libc, poll, sys::socket};
[INFO] [stdout]   |           ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/thread.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use nix::libc;
[INFO] [stdout]   |     ^^^^^^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/valgrind.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use nix::{errno, libc};
[INFO] [stdout]   |                  ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[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 issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]     = note: this will be a hard error in the 2024 edition
[INFO] [stdout]     = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 266 |                 addr_of_mut!(environ)
[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: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_json v1.0.47
[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: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/process.rs:5:23
[INFO] [stdout]   |
[INFO] [stdout] 5 |     errno::Errno, fcntl, libc, sys::{signal, wait}, unistd::{self, Pid}, Error
[INFO] [stdout]   |                          ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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(mem::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: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(mem::size_of::<[libc::c_int; 1]>().try_into().unwrap()) as usize
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/socket.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use nix::{libc, poll, sys::socket};
[INFO] [stdout]   |           ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/thread.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use nix::libc;
[INFO] [stdout]   |     ^^^^^^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `libc` is imported redundantly
[INFO] [stdout]  --> src/valgrind.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use nix::{errno, libc};
[INFO] [stdout]   |                  ^^^^ the item `libc` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static is discouraged
[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 issue #114447 <https://github.com/rust-lang/rust/issues/114447>
[INFO] [stdout]     = note: this will be a hard error in the 2024 edition
[INFO] [stdout]     = note: this mutable reference has lifetime `'static`, but if the static gets accessed (read or written) by any other means, or any other reference is created, then any further use of this mutable reference is Undefined Behavior
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] help: use `addr_of_mut!` instead to create a raw pointer
[INFO] [stdout]     |
[INFO] [stdout] 266 |                 addr_of_mut!(environ)
[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: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.15s
[INFO] running `Command { std: "docker" "inspect" "a16269224f905cfe8c834c573cc11ba1de57899da060de0c9faba78261b7da62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a16269224f905cfe8c834c573cc11ba1de57899da060de0c9faba78261b7da62", kill_on_drop: false }`
[INFO] [stdout] a16269224f905cfe8c834c573cc11ba1de57899da060de0c9faba78261b7da62