[INFO] fetching crate rio 0.9.4...
[INFO] testing rio-0.9.4 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate rio 0.9.4 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate rio 0.9.4
[INFO] finished tweaking crates.io crate rio 0.9.4
[INFO] tweaked toml for crates.io crate rio 0.9.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rio 0.9.4 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rio 0.9.4 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded extreme v666.666.666
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdac41aa47c9267517a125f8fc5a96bc2fee33cfd288e95181256f15a0cb79f4
[INFO] running `Command { std: "docker" "start" "-a" "bdac41aa47c9267517a125f8fc5a96bc2fee33cfd288e95181256f15a0cb79f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdac41aa47c9267517a125f8fc5a96bc2fee33cfd288e95181256f15a0cb79f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdac41aa47c9267517a125f8fc5a96bc2fee33cfd288e95181256f15a0cb79f4", kill_on_drop: false }`
[INFO] [stdout] bdac41aa47c9267517a125f8fc5a96bc2fee33cfd288e95181256f15a0cb79f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bdb9417fbf6937755fc8948db207cebbdfdc9cf0e9543f8b75ee911c750851ff
[INFO] running `Command { std: "docker" "start" "-a" "bdb9417fbf6937755fc8948db207cebbdfdc9cf0e9543f8b75ee911c750851ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling rio v0.9.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `measure_allocs`
[INFO] [stdout]  --> src/metrics.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[cfg(feature = "measure_allocs")]
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `no_metrics`
[INFO] [stdout]   = help: consider adding `measure_allocs` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `measure_allocs`
[INFO] [stdout]    --> src/metrics.rs:101:11
[INFO] [stdout]     |
[INFO] [stdout] 101 |     #[cfg(feature = "measure_allocs")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `no_metrics`
[INFO] [stdout]     = help: consider adding `measure_allocs` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `measure_allocs`
[INFO] [stdout]    --> src/metrics.rs:103:11
[INFO] [stdout]     |
[INFO] [stdout] 103 |     #[cfg(feature = "measure_allocs")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `no_metrics`
[INFO] [stdout]     = help: consider adding `measure_allocs` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `measure_allocs`
[INFO] [stdout]    --> src/metrics.rs:218:15
[INFO] [stdout]     |
[INFO] [stdout] 218 |         #[cfg(feature = "measure_allocs")]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `no_metrics`
[INFO] [stdout]     = help: consider adding `measure_allocs` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> src/io_uring/cq.rs:46:19
[INFO] [stdout]     |
[INFO] [stdout]  46 |                 * std::mem::size_of::<io_uring_cqe>());
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     unused_qualifications
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout]  46 -                 * std::mem::size_of::<io_uring_cqe>());
[INFO] [stdout]  46 +                 * size_of::<io_uring_cqe>());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]   --> src/io_uring/sq.rs:49:19
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 * std::mem::size_of::<u32>());
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 49 -                 * std::mem::size_of::<u32>());
[INFO] [stdout] 49 +                 * size_of::<u32>());
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]   --> src/io_uring/sq.rs:61:15
[INFO] [stdout]    |
[INFO] [stdout] 61 |             * std::mem::size_of::<io_uring_sqe>();
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 61 -             * std::mem::size_of::<io_uring_sqe>();
[INFO] [stdout] 61 +             * size_of::<io_uring_sqe>();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]   --> src/io_uring/syscall.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |                 core::mem::size_of::<libc::sigset_t>()
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 65 -                 core::mem::size_of::<libc::sigset_t>()
[INFO] [stdout] 65 +                 size_of::<libc::sigset_t>()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> src/io_uring/uring.rs:741:17
[INFO] [stdout]     |
[INFO] [stdout] 741 |                 std::mem::size_of_val(a) as libc::socklen_t,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 741 -                 std::mem::size_of_val(a) as libc::socklen_t,
[INFO] [stdout] 741 +                 size_of_val(a) as libc::socklen_t,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary qualification
[INFO] [stdout]    --> src/io_uring/uring.rs:748:17
[INFO] [stdout]     |
[INFO] [stdout] 748 |                 std::mem::size_of_val(a) as libc::socklen_t,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]     |
[INFO] [stdout] 748 -                 std::mem::size_of_val(a) as libc::socklen_t,
[INFO] [stdout] 748 +                 size_of_val(a) as libc::socklen_t,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::Atomic::<bool>::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]   --> src/lazy.rs:61:28
[INFO] [stdout]    |
[INFO] [stdout] 61 |         while self.init_mu.compare_and_swap(false, true, SeqCst) {}
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/io_uring/uring.rs:416:37
[INFO] [stdout]     |
[INFO] [stdout] 416 |         self.with_sqe(None, false, |mut sqe| {
[INFO] [stdout]     |                                     ----^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/io_uring/uring.rs:474:37
[INFO] [stdout]     |
[INFO] [stdout] 474 |         self.with_sqe(None, false, |mut sqe| {
[INFO] [stdout]     |                                     ----^^^
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/io_uring/in_flight.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 (*iovec_ptr)[ticket] = iovec;
[INFO] [stdout]    |                 ^^---------^^^^^^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   this raw pointer has type `*mut Vec<iovec>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut Vec<iovec>`
[INFO] [stdout]   --> src/io_uring/in_flight.rs:59:17
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 (*iovec_ptr)[ticket] = iovec;
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[deny(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 59 |                 (&mut (*iovec_ptr))[ticket] = iovec;
[INFO] [stdout]    |                 +++++             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/io_uring/in_flight.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     (*msghdr_ptr)[ticket].msg_iov =
[INFO] [stdout]    |                     ^^----------^^^^^^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       this raw pointer has type `*mut Vec<msghdr>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut Vec<msghdr>`
[INFO] [stdout]   --> src/io_uring/in_flight.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     (*msghdr_ptr)[ticket].msg_iov =
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 62 |                     (&mut (*msghdr_ptr))[ticket].msg_iov =
[INFO] [stdout]    |                     +++++              +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/io_uring/in_flight.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     (*msghdr_ptr)[ticket].msg_iovlen = 1;
[INFO] [stdout]    |                     ^^----------^^^^^^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       this raw pointer has type `*mut Vec<msghdr>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut Vec<msghdr>`
[INFO] [stdout]   --> src/io_uring/in_flight.rs:66:21
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     (*msghdr_ptr)[ticket].msg_iovlen = 1;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 66 |                     (&mut (*msghdr_ptr))[ticket].msg_iovlen = 1;
[INFO] [stdout]    |                     +++++              +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/io_uring/in_flight.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |             (*self.fillers.get())[ticket] = Some(filler);
[INFO] [stdout]    |             ^^------------------^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this raw pointer has type `*mut Vec<Option<completion::Filler>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut Vec<Option<completion::Filler>>`
[INFO] [stdout]   --> src/io_uring/in_flight.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |             (*self.fillers.get())[ticket] = Some(filler);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 69 |             (&mut (*self.fillers.get()))[ticket] = Some(filler);
[INFO] [stdout]    |             +++++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]   --> src/io_uring/in_flight.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |             (*self.fillers.get())[ticket].take().unwrap()
[INFO] [stdout]    |             ^^------------------^^^^^^^^^
[INFO] [stdout]    |               |
[INFO] [stdout]    |               this raw pointer has type `*mut Vec<Option<completion::Filler>>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&mut Vec<Option<completion::Filler>>`
[INFO] [stdout]   --> src/io_uring/in_flight.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 |             (*self.fillers.get())[ticket].take().unwrap()
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]    |
[INFO] [stdout] 90 |             (&mut (*self.fillers.get()))[ticket].take().unwrap()
[INFO] [stdout]    |             +++++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rio` (lib) due to 11 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "bdb9417fbf6937755fc8948db207cebbdfdc9cf0e9543f8b75ee911c750851ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdb9417fbf6937755fc8948db207cebbdfdc9cf0e9543f8b75ee911c750851ff", kill_on_drop: false }`
[INFO] [stdout] bdb9417fbf6937755fc8948db207cebbdfdc9cf0e9543f8b75ee911c750851ff
