[INFO] fetching crate posix-ipc 0.0.3...
[INFO] checking posix-ipc-0.0.3 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate posix-ipc 0.0.3 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate posix-ipc 0.0.3 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate posix-ipc 0.0.3
[INFO] finished tweaking crates.io crate posix-ipc 0.0.3
[INFO] tweaked toml for crates.io crate posix-ipc 0.0.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc82b020b3590597c23a8f0185d084a19ac54f18acd20a7da8876ed78ffba8f7
[INFO] running `Command { std: "docker" "start" "-a" "cc82b020b3590597c23a8f0185d084a19ac54f18acd20a7da8876ed78ffba8f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc82b020b3590597c23a8f0185d084a19ac54f18acd20a7da8876ed78ffba8f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc82b020b3590597c23a8f0185d084a19ac54f18acd20a7da8876ed78ffba8f7", kill_on_drop: false }`
[INFO] [stdout] cc82b020b3590597c23a8f0185d084a19ac54f18acd20a7da8876ed78ffba8f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75d8b9d150df304868de3a289ea3f6ee8fb6c18ad0eb121506d72d0b09913ae4
[INFO] running `Command { std: "docker" "start" "-a" "75d8b9d150df304868de3a289ea3f6ee8fb6c18ad0eb121506d72d0b09913ae4", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking posix-ipc v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `std::num::FromPrimitive`
[INFO] [stdout]   --> src/lib.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         use std::num::FromPrimitive;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^ no `FromPrimitive` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `self::alloc::arc`
[INFO] [stdout]   --> src/lib.rs:71:26
[INFO] [stdout]    |
[INFO] [stdout] 71 |         use self::alloc::arc::Arc;
[INFO] [stdout]    |                          ^^^ could not find `arc` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `FromPrimitive` in this scope
[INFO] [stdout]  --> src/lib.rs:7:48
[INFO] [stdout]   |
[INFO] [stdout] 7 |     #[derive(Hash, Eq, PartialEq, Copy, Debug, FromPrimitive)]
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `errno` in module `os`
[INFO] [stdout]   --> src/lib.rs:47:38
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 _ => Result::Err(os::errno())
[INFO] [stdout]    |                                      ^^^^^ not found in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `errno` in module `os`
[INFO] [stdout]   --> src/lib.rs:54:38
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 _ => Result::Err(os::errno())
[INFO] [stdout]    |                                      ^^^^^ not found in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `errno` in module `os`
[INFO] [stdout]   --> src/lib.rs:60:39
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 -1 => Result::Err(os::errno()),
[INFO] [stdout]    |                                       ^^^^^ not found in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/lib.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         use std::rc::Rc;
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr`
[INFO] [stdout]   --> src/lib.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         use std::ptr;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     extern crate libc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:45:42
[INFO] [stdout]    |
[INFO] [stdout] 45 |             match unsafe { raise(self as libc::c_int) } {
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:51:32
[INFO] [stdout]    |
[INFO] [stdout] 51 |         pub fn kill(self, pid: libc::pid_t) -> Result<(), usize> {
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:52:46
[INFO] [stdout]    |
[INFO] [stdout] 52 |             match unsafe { kill(pid, self as libc::c_int) } {
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:59:44
[INFO] [stdout]    |
[INFO] [stdout] 59 |             match unsafe { signal (self as libc::c_int, mem::transmute(glue::rust_signal_handler)) } {
[INFO] [stdout]    |                                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]    --> src/lib.rs:122:23
[INFO] [stdout]     |
[INFO] [stdout] 122 |         fn raise(sig: libc::c_int) -> libc::c_int;
[INFO] [stdout]     |                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]    --> src/lib.rs:122:39
[INFO] [stdout]     |
[INFO] [stdout] 122 |         fn raise(sig: libc::c_int) -> libc::c_int;
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]    --> src/lib.rs:123:24
[INFO] [stdout]     |
[INFO] [stdout] 123 |         fn signal(sig: libc::c_int, handler: *const libc::c_void) -> libc::c_int;
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]    --> src/lib.rs:123:53
[INFO] [stdout]     |
[INFO] [stdout] 123 |         fn signal(sig: libc::c_int, handler: *const libc::c_void) -> libc::c_int;
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]    --> src/lib.rs:123:70
[INFO] [stdout]     |
[INFO] [stdout] 123 |         fn signal(sig: libc::c_int, handler: *const libc::c_void) -> libc::c_int;
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]    --> src/lib.rs:124:22
[INFO] [stdout]     |
[INFO] [stdout] 124 |         fn kill(pid: libc::pid_t, sig: libc::c_int) -> libc::c_int;
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]    --> src/lib.rs:124:40
[INFO] [stdout]     |
[INFO] [stdout] 124 |         fn kill(pid: libc::pid_t, sig: libc::c_int) -> libc::c_int;
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]    --> src/lib.rs:124:56
[INFO] [stdout]     |
[INFO] [stdout] 124 |         fn kill(pid: libc::pid_t, sig: libc::c_int) -> libc::c_int;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         extern crate libc;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]    --> src/lib.rs:109:59
[INFO] [stdout]     |
[INFO] [stdout] 109 |         pub unsafe extern "C" fn rust_signal_handler(sig: libc::c_int) {
[INFO] [stdout]     |                                                           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::FromPrimitive`
[INFO] [stdout]   --> src/lib.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |         use std::num::FromPrimitive;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^ no `FromPrimitive` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `self::alloc::arc`
[INFO] [stdout]   --> src/lib.rs:71:26
[INFO] [stdout]    |
[INFO] [stdout] 71 |         use self::alloc::arc::Arc;
[INFO] [stdout]    |                          ^^^ could not find `arc` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `FromPrimitive` in this scope
[INFO] [stdout]  --> src/lib.rs:7:48
[INFO] [stdout]   |
[INFO] [stdout] 7 |     #[derive(Hash, Eq, PartialEq, Copy, Debug, FromPrimitive)]
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Signal: Clone` is not satisfied
[INFO] [stdout]  --> src/lib.rs:7:35
[INFO] [stdout]   |
[INFO] [stdout] 7 |     #[derive(Hash, Eq, PartialEq, Copy, Debug, FromPrimitive)]
[INFO] [stdout]   |                                   ^^^^ the trait `Clone` is not implemented for `Signal`
[INFO] [stdout]   |
[INFO] [stdout] note: required by a bound in `Copy`
[INFO] [stdout]  --> /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/core/src/marker.rs:416:1
[INFO] [stdout]   = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `Signal` with `#[derive(Clone)]`
[INFO] [stdout]   |
[INFO] [stdout] 8 +     #[derive(Clone)]
[INFO] [stdout] 9 |     pub enum Signal {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:58:49
[INFO] [stdout]    |
[INFO] [stdout] 58 |         pub unsafe fn handle(self, handler: Box<FnMut(Signal)>) -> Result<(), usize> {
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 58 |         pub unsafe fn handle(self, handler: Box<dyn FnMut(Signal)>) -> Result<(), usize> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `glue::FnPtr: Clone` is not satisfied
[INFO] [stdout]   --> src/lib.rs:76:18
[INFO] [stdout]    |
[INFO] [stdout] 76 |         #[derive(Copy,Debug)]
[INFO] [stdout]    |                  ^^^^ the trait `Clone` is not implemented for `glue::FnPtr`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Copy`
[INFO] [stdout]   --> /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/core/src/marker.rs:416:1
[INFO] [stdout]    = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `glue::FnPtr` with `#[derive(Clone)]`
[INFO] [stdout]    |
[INFO] [stdout] 77 +         #[derive(Clone)]
[INFO] [stdout] 78 |         struct FnPtr {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `errno` in module `os`
[INFO] [stdout]   --> src/lib.rs:47:38
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 _ => Result::Err(os::errno())
[INFO] [stdout]    |                                      ^^^^^ not found in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `errno` in module `os`
[INFO] [stdout]   --> src/lib.rs:54:38
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 _ => Result::Err(os::errno())
[INFO] [stdout]    |                                      ^^^^^ not found in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:103:56
[INFO] [stdout]     |
[INFO] [stdout] 103 |         pub unsafe fn set_handler (sig: Signal, f: Box<FnMut(Signal)>) {
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 103 |         pub unsafe fn set_handler (sig: Signal, f: Box<dyn FnMut(Signal)>) {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `errno` in module `os`
[INFO] [stdout]   --> src/lib.rs:60:39
[INFO] [stdout]    |
[INFO] [stdout] 60 |                 -1 => Result::Err(os::errno()),
[INFO] [stdout]    |                                       ^^^^^ not found in `os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:110:25
[INFO] [stdout]     |
[INFO] [stdout] 110 |             let f: *mut FnMut(Signal) = mem::transmute(handlers[sig as usize]);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 110 |             let f: *mut dyn FnMut(Signal) = mem::transmute(handlers[sig as usize]);
[INFO] [stdout]     |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/lib.rs:72:13
[INFO] [stdout]    |
[INFO] [stdout] 72 |         use std::rc::Rc;
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ptr`
[INFO] [stdout]   --> src/lib.rs:74:13
[INFO] [stdout]    |
[INFO] [stdout] 74 |         use std::ptr;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     extern crate libc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]   = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]   = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:45:42
[INFO] [stdout]    |
[INFO] [stdout] 45 |             match unsafe { raise(self as libc::c_int) } {
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:51:32
[INFO] [stdout]    |
[INFO] [stdout] 51 |         pub fn kill(self, pid: libc::pid_t) -> Result<(), usize> {
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:52:46
[INFO] [stdout]    |
[INFO] [stdout] 52 |             match unsafe { kill(pid, self as libc::c_int) } {
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:59:44
[INFO] [stdout]    |
[INFO] [stdout] 59 |             match unsafe { signal (self as libc::c_int, mem::transmute(glue::rust_signal_handler)) } {
[INFO] [stdout]    |                                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]    --> src/lib.rs:122:23
[INFO] [stdout]     |
[INFO] [stdout] 122 |         fn raise(sig: libc::c_int) -> libc::c_int;
[INFO] [stdout]     |                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]    --> src/lib.rs:122:39
[INFO] [stdout]     |
[INFO] [stdout] 122 |         fn raise(sig: libc::c_int) -> libc::c_int;
[INFO] [stdout]     |                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]    --> src/lib.rs:123:24
[INFO] [stdout]     |
[INFO] [stdout] 123 |         fn signal(sig: libc::c_int, handler: *const libc::c_void) -> libc::c_int;
[INFO] [stdout]     |                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]    --> src/lib.rs:123:53
[INFO] [stdout]     |
[INFO] [stdout] 123 |         fn signal(sig: libc::c_int, handler: *const libc::c_void) -> libc::c_int;
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]    --> src/lib.rs:123:70
[INFO] [stdout]     |
[INFO] [stdout] 123 |         fn signal(sig: libc::c_int, handler: *const libc::c_void) -> libc::c_int;
[INFO] [stdout]     |                                                                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]    --> src/lib.rs:124:22
[INFO] [stdout]     |
[INFO] [stdout] 124 |         fn kill(pid: libc::pid_t, sig: libc::c_int) -> libc::c_int;
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]    --> src/lib.rs:124:40
[INFO] [stdout]     |
[INFO] [stdout] 124 |         fn kill(pid: libc::pid_t, sig: libc::c_int) -> libc::c_int;
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]    --> src/lib.rs:124:56
[INFO] [stdout]     |
[INFO] [stdout] 124 |         fn kill(pid: libc::pid_t, sig: libc::c_int) -> libc::c_int;
[INFO] [stdout]     |                                                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]   --> src/lib.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         extern crate libc;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]    = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `rustc_private`: this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via `Cargo.toml` instead?
[INFO] [stdout]    --> src/lib.rs:109:59
[INFO] [stdout]     |
[INFO] [stdout] 109 |         pub unsafe extern "C" fn rust_signal_handler(sig: libc::c_int) {
[INFO] [stdout]     |                                                           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout]     = help: add `#![feature(rustc_private)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2024-11-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/lib.rs:107:25
[INFO] [stdout]     |
[INFO] [stdout] 107 |         fn null_handler(s: Signal) {}
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425, E0432, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `posix-ipc` (lib test) due to 23 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0277]: the trait bound `Signal: Clone` is not satisfied
[INFO] [stdout]  --> src/lib.rs:7:35
[INFO] [stdout]   |
[INFO] [stdout] 7 |     #[derive(Hash, Eq, PartialEq, Copy, Debug, FromPrimitive)]
[INFO] [stdout]   |                                   ^^^^ the trait `Clone` is not implemented for `Signal`
[INFO] [stdout]   |
[INFO] [stdout] note: required by a bound in `Copy`
[INFO] [stdout]  --> /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/core/src/marker.rs:416:1
[INFO] [stdout]   = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `Signal` with `#[derive(Clone)]`
[INFO] [stdout]   |
[INFO] [stdout] 8 +     #[derive(Clone)]
[INFO] [stdout] 9 |     pub enum Signal {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:58:49
[INFO] [stdout]    |
[INFO] [stdout] 58 |         pub unsafe fn handle(self, handler: Box<FnMut(Signal)>) -> Result<(), usize> {
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 58 |         pub unsafe fn handle(self, handler: Box<dyn FnMut(Signal)>) -> Result<(), usize> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `glue::FnPtr: Clone` is not satisfied
[INFO] [stdout]   --> src/lib.rs:76:18
[INFO] [stdout]    |
[INFO] [stdout] 76 |         #[derive(Copy,Debug)]
[INFO] [stdout]    |                  ^^^^ the trait `Clone` is not implemented for `glue::FnPtr`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `Copy`
[INFO] [stdout]   --> /rustc/39cb3386ddc6c71657418be28dbb3987eea4aa4b/library/core/src/marker.rs:416:1
[INFO] [stdout]    = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: consider annotating `glue::FnPtr` with `#[derive(Clone)]`
[INFO] [stdout]    |
[INFO] [stdout] 77 +         #[derive(Clone)]
[INFO] [stdout] 78 |         struct FnPtr {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:103:56
[INFO] [stdout]     |
[INFO] [stdout] 103 |         pub unsafe fn set_handler (sig: Signal, f: Box<FnMut(Signal)>) {
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 103 |         pub unsafe fn set_handler (sig: Signal, f: Box<dyn FnMut(Signal)>) {
[INFO] [stdout]     |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:110:25
[INFO] [stdout]     |
[INFO] [stdout] 110 |             let f: *mut FnMut(Signal) = mem::transmute(handlers[sig as usize]);
[INFO] [stdout]     |                         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 110 |             let f: *mut dyn FnMut(Signal) = mem::transmute(handlers[sig as usize]);
[INFO] [stdout]     |                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/lib.rs:107:25
[INFO] [stdout]     |
[INFO] [stdout] 107 |         fn null_handler(s: Signal) {}
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425, E0432, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `posix-ipc` (lib) due to 23 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "75d8b9d150df304868de3a289ea3f6ee8fb6c18ad0eb121506d72d0b09913ae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75d8b9d150df304868de3a289ea3f6ee8fb6c18ad0eb121506d72d0b09913ae4", kill_on_drop: false }`
[INFO] [stdout] 75d8b9d150df304868de3a289ea3f6ee8fb6c18ad0eb121506d72d0b09913ae4
