[INFO] fetching crate cynthia-macros 0.0.3...
[INFO] testing cynthia-macros-0.0.3 against 1.90.0 for beta-1.91-3
[INFO] extracting crate cynthia-macros 0.0.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate cynthia-macros 0.0.3
[INFO] finished tweaking crates.io crate cynthia-macros 0.0.3
[INFO] tweaked toml for crates.io crate cynthia-macros 0.0.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cynthia-macros 0.0.3 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding cynthia v0.0.5 (available: v0.0.6)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cynthia-macros v0.0.2
[INFO] [stderr]   Downloaded cynthia v0.0.5
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e86b0b8b620edcbedcc55f6a30ca43ef59a63b9f1dfc65ce2b2cbb7b0e760c6
[INFO] running `Command { std: "docker" "start" "-a" "4e86b0b8b620edcbedcc55f6a30ca43ef59a63b9f1dfc65ce2b2cbb7b0e760c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e86b0b8b620edcbedcc55f6a30ca43ef59a63b9f1dfc65ce2b2cbb7b0e760c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e86b0b8b620edcbedcc55f6a30ca43ef59a63b9f1dfc65ce2b2cbb7b0e760c6", kill_on_drop: false }`
[INFO] [stdout] 4e86b0b8b620edcbedcc55f6a30ca43ef59a63b9f1dfc65ce2b2cbb7b0e760c6
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50e3761e00a9fc9a25c44093f19308b4a56941bc19136264eed3f69a64799724
[INFO] running `Command { std: "docker" "start" "-a" "50e3761e00a9fc9a25c44093f19308b4a56941bc19136264eed3f69a64799724", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cynthia-macros v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.56s
[INFO] running `Command { std: "docker" "inspect" "50e3761e00a9fc9a25c44093f19308b4a56941bc19136264eed3f69a64799724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50e3761e00a9fc9a25c44093f19308b4a56941bc19136264eed3f69a64799724", kill_on_drop: false }`
[INFO] [stdout] 50e3761e00a9fc9a25c44093f19308b4a56941bc19136264eed3f69a64799724
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdb9d9ca14f8049d1ab47fc14f6c3ed4c95c0b35764ed2fdd30285f3d248b60c
[INFO] running `Command { std: "docker" "start" "-a" "cdb9d9ca14f8049d1ab47fc14f6c3ed4c95c0b35764ed2fdd30285f3d248b60c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling cynthia-macros v0.0.2
[INFO] [stderr]    Compiling cynthia-macros v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling cynthia v0.0.5
[INFO] [stdout] error[E0432]: unresolved import `crate::Event`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cynthia-0.0.5/src/net/polling/epoll.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::Event;
[INFO] [stdout]   |     ^^^^^^^^^^^^ no `Event` in the root
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these structs instead
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::platform::event::Event;
[INFO] [stdout]   |            +++++++++++++++++
[INFO] [stdout] 6 | use crate::runtime::polling::Event;
[INFO] [stdout]   |            ++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `NOTIFY_KEY` in the crate root
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cynthia-0.0.5/src/net/polling/epoll.rs:75:53
[INFO] [stdout]    |
[INFO] [stdout] 75 |             poller.add(timer_fd, Event::none(crate::NOTIFY_KEY))?;
[INFO] [stdout]    |                                                     ^^^^^^^^^^ not found in the crate root
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this constant
[INFO] [stdout]    |
[INFO] [stdout]  1 + use crate::runtime::polling::NOTIFY_KEY;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `NOTIFY_KEY`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 75 -             poller.add(timer_fd, Event::none(crate::NOTIFY_KEY))?;
[INFO] [stdout] 75 +             poller.add(timer_fd, Event::none(NOTIFY_KEY))?;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `NOTIFY_KEY` in the crate root
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cynthia-0.0.5/src/net/polling/epoll.rs:81:29
[INFO] [stdout]    |
[INFO] [stdout] 81 |                 key: crate::NOTIFY_KEY,
[INFO] [stdout]    |                             ^^^^^^^^^^ not found in the crate root
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this constant
[INFO] [stdout]    |
[INFO] [stdout]  1 + use crate::runtime::polling::NOTIFY_KEY;
[INFO] [stdout]    |
[INFO] [stdout] help: if you import `NOTIFY_KEY`, refer to it directly
[INFO] [stdout]    |
[INFO] [stdout] 81 -                 key: crate::NOTIFY_KEY,
[INFO] [stdout] 81 +                 key: NOTIFY_KEY,
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `NOTIFY_KEY` in the crate root
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cynthia-0.0.5/src/net/polling/epoll.rs:126:33
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     key: crate::NOTIFY_KEY,
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in the crate root
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this constant
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::runtime::polling::NOTIFY_KEY;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `NOTIFY_KEY`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 126 -                     key: crate::NOTIFY_KEY,
[INFO] [stdout] 126 +                     key: NOTIFY_KEY,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `NOTIFY_KEY` in the crate root
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cynthia-0.0.5/src/net/polling/epoll.rs:162:29
[INFO] [stdout]     |
[INFO] [stdout] 162 |                 key: crate::NOTIFY_KEY,
[INFO] [stdout]     |                             ^^^^^^^^^^ not found in the crate root
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this constant
[INFO] [stdout]     |
[INFO] [stdout]   1 + use crate::runtime::polling::NOTIFY_KEY;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `NOTIFY_KEY`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 162 -                 key: crate::NOTIFY_KEY,
[INFO] [stdout] 162 +                 key: NOTIFY_KEY,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: crate `libc` is private
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cynthia-0.0.5/src/net/polling/epoll.rs:91:23
[INFO] [stdout]    |
[INFO] [stdout] 91 |         self.ctl(std::libc::EPOLL_CTL_ADD, fd, Some(ev))
[INFO] [stdout]    |                       ^^^^  ------------- constant `EPOLL_CTL_ADD` is not publicly re-exported
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       private crate
[INFO] [stdout]    |
[INFO] [stdout] note: the crate `libc` is defined here
[INFO] [stdout]   --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/lib.rs:442:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: crate `libc` is private
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cynthia-0.0.5/src/net/polling/epoll.rs:95:23
[INFO] [stdout]    |
[INFO] [stdout] 95 |         self.ctl(std::libc::EPOLL_CTL_MOD, fd, Some(ev))
[INFO] [stdout]    |                       ^^^^  ------------- constant `EPOLL_CTL_MOD` is not publicly re-exported
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       private crate
[INFO] [stdout]    |
[INFO] [stdout] note: the crate `libc` is defined here
[INFO] [stdout]   --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/lib.rs:442:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: crate `libc` is private
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cynthia-0.0.5/src/net/polling/epoll.rs:99:23
[INFO] [stdout]    |
[INFO] [stdout] 99 |         self.ctl(std::libc::EPOLL_CTL_DEL, fd, None)
[INFO] [stdout]    |                       ^^^^  ------------- constant `EPOLL_CTL_DEL` is not publicly re-exported
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       private crate
[INFO] [stdout]    |
[INFO] [stdout] note: the crate `libc` is defined here
[INFO] [stdout]   --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/lib.rs:442:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: crate `libc` is private
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cynthia-0.0.5/src/net/polling/epoll.rs:104:32
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let new_val = std::libc::itimerspec {
[INFO] [stdout]     |                                ^^^^  ---------- struct `itimerspec` is not publicly re-exported
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                private crate
[INFO] [stdout]     |
[INFO] [stdout] note: the crate `libc` is defined here
[INFO] [stdout]    --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/lib.rs:442:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: crate `libc` is private
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cynthia-0.0.5/src/net/polling/epoll.rs:108:37
[INFO] [stdout]     |
[INFO] [stdout] 108 |                     Some(t) => std::libc::timespec {
[INFO] [stdout]     |                                     ^^^^  -------- struct `timespec` is not publicly re-exported
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     private crate
[INFO] [stdout]     |
[INFO] [stdout] note: the crate `libc` is defined here
[INFO] [stdout]    --> /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/lib.rs:442:1
[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]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cynthia-0.0.5/src/net/polling/epoll.rs:91:18
[INFO] [stdout]    |
[INFO] [stdout] 91 |         self.ctl(std::libc::EPOLL_CTL_ADD, fd, Some(ev))
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[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]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cynthia-0.0.5/src/net/polling/epoll.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 |         self.ctl(std::libc::EPOLL_CTL_MOD, fd, Some(ev))
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[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]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cynthia-0.0.5/src/net/polling/epoll.rs:99:18
[INFO] [stdout]    |
[INFO] [stdout] 99 |         self.ctl(std::libc::EPOLL_CTL_DEL, fd, None)
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[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]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cynthia-0.0.5/src/net/polling/epoll.rs:104:27
[INFO] [stdout]     |
[INFO] [stdout] 104 |             let new_val = std::libc::itimerspec {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[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]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cynthia-0.0.5/src/net/polling/epoll.rs:108:32
[INFO] [stdout]     |
[INFO] [stdout] 108 |                     Some(t) => std::libc::timespec {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[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]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cynthia-0.0.5/src/net/polling/epoll.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 it_interval: TS_ZERO,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cynthia-0.0.5/src/net/polling/epoll.rs:105:30
[INFO] [stdout]     |
[INFO] [stdout] 105 |                 it_interval: TS_ZERO,
[INFO] [stdout]     |                              ^^^^^^^ expected `timespec`, found a different `timespec`
[INFO] [stdout]     |
[INFO] [stdout] note: two different versions of crate `libc` are being used; two types coming from two different versions of the same crate are different types even if they look the same
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cynthia-0.0.5/src/net/connect/connect.rs:7:5
[INFO] [stdout]     |
[INFO] [stdout]   7 |       libc::{sockaddr, sockaddr_storage, socklen_t},
[INFO] [stdout]     |       ---- one version of crate `libc` used here, as a direct dependency of the current crate
[INFO] [stdout]    --> /rust/deps/libc-0.2.174/src/unix/linux_like/linux/gnu/mod.rs:374:1
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is the expected type `libc::unix::linux_like::linux::gnu::timespec`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/libc-0.2.176/src/unix/linux_like/linux/gnu/mod.rs:21:1
[INFO] [stdout]     |
[INFO] [stdout]  21 | / s! {
[INFO] [stdout]  22 | |     pub struct aiocb {
[INFO] [stdout]  23 | |         pub aio_fildes: c_int,
[INFO] [stdout]  24 | |         pub aio_lio_opcode: c_int,
[INFO] [stdout] ...   |
[INFO] [stdout] 374 | | }
[INFO] [stdout]     | | ^
[INFO] [stdout]     | | |
[INFO] [stdout]     | |_this is the found type `timespec`
[INFO] [stdout]     |   one version of crate `libc` used here, as a dependency of crate `std`
[INFO] [stdout]     = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cynthia-0.0.5/src/net/polling/epoll.rs:106:17
[INFO] [stdout]     |
[INFO] [stdout] 106 | /                 it_value: match timeout {
[INFO] [stdout] 107 | |                     None => TS_ZERO,
[INFO] [stdout] 108 | |                     Some(t) => std::libc::timespec {
[INFO] [stdout] 109 | |                         tv_sec: t.as_secs() as libc::time_t,
[INFO] [stdout] 110 | |                         tv_nsec: (t.subsec_nanos() as libc::c_long).into(),
[INFO] [stdout] 111 | |                     },
[INFO] [stdout] 112 | |                 },
[INFO] [stdout]     | |_________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cynthia-0.0.5/src/net/polling/epoll.rs:107:29
[INFO] [stdout]     |
[INFO] [stdout] 107 |                     None => TS_ZERO,
[INFO] [stdout]     |                             ^^^^^^^ expected `timespec`, found a different `timespec`
[INFO] [stdout]     |
[INFO] [stdout] note: two different versions of crate `libc` are being used; two types coming from two different versions of the same crate are different types even if they look the same
[INFO] [stdout]     |
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cynthia-0.0.5/src/net/connect/connect.rs:7:5
[INFO] [stdout]     |
[INFO] [stdout]   7 |       libc::{sockaddr, sockaddr_storage, socklen_t},
[INFO] [stdout]     |       ---- one version of crate `libc` used here, as a direct dependency of the current crate
[INFO] [stdout]    --> /rust/deps/libc-0.2.174/src/unix/linux_like/linux/gnu/mod.rs:374:1
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is the expected type `libc::unix::linux_like::linux::gnu::timespec`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/libc-0.2.176/src/unix/linux_like/linux/gnu/mod.rs:21:1
[INFO] [stdout]     |
[INFO] [stdout]  21 | / s! {
[INFO] [stdout]  22 | |     pub struct aiocb {
[INFO] [stdout]  23 | |         pub aio_fildes: c_int,
[INFO] [stdout]  24 | |         pub aio_lio_opcode: c_int,
[INFO] [stdout] ...   |
[INFO] [stdout] 374 | | }
[INFO] [stdout]     | | ^
[INFO] [stdout]     | | |
[INFO] [stdout]     | |_this is the found type `timespec`
[INFO] [stdout]     |   one version of crate `libc` used here, as a dependency of crate `std`
[INFO] [stdout]     = help: you can use `cargo tree` to explore your dependency tree
[INFO] [stdout]     = note: this error originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[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]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cynthia-0.0.5/src/net/polling/epoll.rs:109:25
[INFO] [stdout]     |
[INFO] [stdout] 109 |                         tv_sec: t.as_secs() as libc::time_t,
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[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]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cynthia-0.0.5/src/net/polling/epoll.rs:110:25
[INFO] [stdout]     |
[INFO] [stdout] 110 |                         tv_nsec: (t.subsec_nanos() as libc::c_long).into(),
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #27812 <https://github.com/rust-lang/rust/issues/27812> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0606]: casting `&libc::unix::linux_like::linux::itimerspec` as `*const itimerspec` is invalid
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/cynthia-0.0.5/src/net/polling/epoll.rs:119:17
[INFO] [stdout]     |
[INFO] [stdout] 119 |                 &new_val as *const libc::itimerspec,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0425, E0432, E0603, E0606, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cynthia` (lib) due to 22 previous errors
[INFO] running `Command { std: "docker" "inspect" "cdb9d9ca14f8049d1ab47fc14f6c3ed4c95c0b35764ed2fdd30285f3d248b60c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdb9d9ca14f8049d1ab47fc14f6c3ed4c95c0b35764ed2fdd30285f3d248b60c", kill_on_drop: false }`
[INFO] [stdout] cdb9d9ca14f8049d1ab47fc14f6c3ed4c95c0b35764ed2fdd30285f3d248b60c
