[INFO] fetching crate termsnap-lib 0.4.0...
[INFO] testing termsnap-lib-0.4.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate termsnap-lib 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate termsnap-lib 0.4.0
[INFO] finished tweaking crates.io crate termsnap-lib 0.4.0
[INFO] tweaked toml for crates.io crate termsnap-lib 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate termsnap-lib 0.4.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 60 packages to latest compatible versions
[INFO] [stderr]       Adding alacritty_terminal v0.24.2 (available: v0.26.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60afd0f681dac022638e0f88b5e2db1c924c3ea3c6b914deedd8a57b020b1ade
[INFO] running `Command { std: "docker" "start" "-a" "60afd0f681dac022638e0f88b5e2db1c924c3ea3c6b914deedd8a57b020b1ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60afd0f681dac022638e0f88b5e2db1c924c3ea3c6b914deedd8a57b020b1ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60afd0f681dac022638e0f88b5e2db1c924c3ea3c6b914deedd8a57b020b1ade", kill_on_drop: false }`
[INFO] [stdout] 60afd0f681dac022638e0f88b5e2db1c924c3ea3c6b914deedd8a57b020b1ade
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f404a74402b4a25a06531c42ae747bd7e6f59b5ef04e015f3027aba2cfbac5b
[INFO] running `Command { std: "docker" "start" "-a" "2f404a74402b4a25a06531c42ae747bd7e6f59b5ef04e015f3027aba2cfbac5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling cursor-icon v1.2.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.2
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling bitflags v2.11.1
[INFO] [stderr]    Compiling vte v0.13.1
[INFO] [stderr]    Compiling polling v3.11.0
[INFO] [stderr]    Compiling rustix-openpty v0.1.1
[INFO] [stderr]    Compiling alacritty_terminal v0.24.2
[INFO] [stdout] error[E0277]: `?` couldn't convert the error to `std::io::Error`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alacritty_terminal-0.24.2/src/tty/unix.rs:187:61
[INFO] [stdout]     |
[INFO] [stdout] 186 | pub fn new(config: &Options, window_size: WindowSize, window_id: u64) -> Result<Pty> {
[INFO] [stdout]     |                                                                          ----------- expected `std::io::Error` because of this
[INFO] [stdout] 187 |     let pty = openpty(None, Some(&window_size.to_winsize()))?;
[INFO] [stdout]     |               ----------------------------------------------^ the trait `From<Errno>` is not implemented for `std::io::Error`
[INFO] [stdout]     |               |
[INFO] [stdout]     |               this can't be annotated with `?` because it has type `Result<_, Errno>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the question mark operation (`?`) implicitly performs a conversion on the error value using the `From` trait
[INFO] [stdout]     = help: `std::io::Error` implements trait `From<T>`:
[INFO] [stdout]               From<ErrorKind>
[INFO] [stdout]               From<IntoInnerError<W>>
[INFO] [stdout]               From<NulError>
[INFO] [stdout]               From<TryReserveError>
[INFO] [stdout]               From<errno::Errno>
[INFO] [stdout]               From<rustix::backend::io::errno::Errno>
[INFO] [stdout]               From<std::fs::TryLockError>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: arguments to this function are incorrect
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alacritty_terminal-0.24.2/src/tty/unix.rs:189:5
[INFO] [stdout]     |
[INFO] [stdout] 189 |     from_fd(config, window_id, master, slave)
[INFO] [stdout]     |     ^^^^^^^                    ------  ----- expected `std::os::fd::OwnedFd`, found `rustix_openpty::rustix::fd::OwnedFd`
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                expected `std::os::fd::OwnedFd`, found `rustix_openpty::rustix::fd::OwnedFd`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `rustix_openpty::rustix::fd::OwnedFd` and `std::os::fd::OwnedFd` have similar names, but are actually distinct types
[INFO] [stdout] note: `rustix_openpty::rustix::fd::OwnedFd` is defined in crate `rustix`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.38.44/src/maybe_polyfill/no_std/os/fd/owned.rs:64:1
[INFO] [stdout]     |
[INFO] [stdout]  64 | pub struct OwnedFd {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `std::os::fd::OwnedFd` is defined in crate `std`
[INFO] [stdout]    --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/os/fd/owned.rs:70:0
[INFO] [stdout]     = note: `rustix_openpty::rustix::fd::OwnedFd` and `std::os::fd::OwnedFd` have similar names, but are actually distinct types
[INFO] [stdout] note: `rustix_openpty::rustix::fd::OwnedFd` is defined in crate `rustix`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.38.44/src/maybe_polyfill/no_std/os/fd/owned.rs:64:1
[INFO] [stdout]     |
[INFO] [stdout]  64 | pub struct OwnedFd {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `std::os::fd::OwnedFd` is defined in crate `std`
[INFO] [stdout]    --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/std/src/os/fd/owned.rs:70:0
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alacritty_terminal-0.24.2/src/tty/unix.rs:193:8
[INFO] [stdout]     |
[INFO] [stdout] 193 | pub fn from_fd(config: &Options, window_id: u64, master: OwnedFd, slave: OwnedFd) -> Result<Pty> {
[INFO] [stdout]     |        ^^^^^^^                                   ---------------  --------------
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `std::os::fd::OwnedFd: rustix_openpty::rustix::fd::AsFd` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alacritty_terminal-0.24.2/src/tty/unix.rs:198:50
[INFO] [stdout]     |
[INFO] [stdout] 198 |     if let Ok(mut termios) = termios::tcgetattr(&master) {
[INFO] [stdout]     |                              ------------------  ^^^^^^ the trait `rustix_openpty::rustix::fd::AsFd` is not implemented for `std::os::fd::OwnedFd`
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = note: `std::os::fd::OwnedFd` implements similarly named trait `std::os::fd::AsFd`, but not `rustix_openpty::rustix::fd::AsFd`
[INFO] [stdout] help: the following other types implement trait `rustix_openpty::rustix::fd::AsFd`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.38.44/src/maybe_polyfill/no_std/os/fd/owned.rs:262:1
[INFO] [stdout]     |
[INFO] [stdout] 262 | impl<T: AsFd> AsFd for &T {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^ `&T`
[INFO] [stdout] ...
[INFO] [stdout] 270 | impl<T: AsFd> AsFd for &mut T {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `&mut T`
[INFO] [stdout] ...
[INFO] [stdout] 278 | impl AsFd for BorrowedFd<'_> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `rustix_openpty::rustix::fd::BorrowedFd<'_>`
[INFO] [stdout] ...
[INFO] [stdout] 286 | impl AsFd for OwnedFd {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^ `rustix_openpty::rustix::fd::OwnedFd`
[INFO] [stdout]     = note: required for `&std::os::fd::OwnedFd` to implement `rustix_openpty::rustix::fd::AsFd`
[INFO] [stdout] note: required by a bound in `rustix_openpty::rustix::termios::tcgetattr`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.38.44/src/termios/tc.rs:30:22
[INFO] [stdout]     |
[INFO] [stdout]  30 | pub fn tcgetattr<Fd: AsFd>(fd: Fd) -> io::Result<Termios> {
[INFO] [stdout]     |                      ^^^^ required by this bound in `tcgetattr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `std::os::fd::OwnedFd: rustix_openpty::rustix::fd::AsFd` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/alacritty_terminal-0.24.2/src/tty/unix.rs:201:37
[INFO] [stdout]     |
[INFO] [stdout] 201 |         let _ = termios::tcsetattr(&master, OptionalActions::Now, &termios);
[INFO] [stdout]     |                 ------------------  ^^^^^^ the trait `rustix_openpty::rustix::fd::AsFd` is not implemented for `std::os::fd::OwnedFd`
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = note: `std::os::fd::OwnedFd` implements similarly named trait `std::os::fd::AsFd`, but not `rustix_openpty::rustix::fd::AsFd`
[INFO] [stdout] help: the following other types implement trait `rustix_openpty::rustix::fd::AsFd`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.38.44/src/maybe_polyfill/no_std/os/fd/owned.rs:262:1
[INFO] [stdout]     |
[INFO] [stdout] 262 | impl<T: AsFd> AsFd for &T {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^ `&T`
[INFO] [stdout] ...
[INFO] [stdout] 270 | impl<T: AsFd> AsFd for &mut T {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `&mut T`
[INFO] [stdout] ...
[INFO] [stdout] 278 | impl AsFd for BorrowedFd<'_> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `rustix_openpty::rustix::fd::BorrowedFd<'_>`
[INFO] [stdout] ...
[INFO] [stdout] 286 | impl AsFd for OwnedFd {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^ `rustix_openpty::rustix::fd::OwnedFd`
[INFO] [stdout]     = note: required for `&std::os::fd::OwnedFd` to implement `rustix_openpty::rustix::fd::AsFd`
[INFO] [stdout] note: required by a bound in `rustix_openpty::rustix::termios::tcsetattr`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.38.44/src/termios/tc.rs:109:22
[INFO] [stdout]     |
[INFO] [stdout] 109 | pub fn tcsetattr<Fd: AsFd>(
[INFO] [stdout]     |                      ^^^^ required by this bound in `tcsetattr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alacritty_terminal` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "2f404a74402b4a25a06531c42ae747bd7e6f59b5ef04e015f3027aba2cfbac5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f404a74402b4a25a06531c42ae747bd7e6f59b5ef04e015f3027aba2cfbac5b", kill_on_drop: false }`
[INFO] [stdout] 2f404a74402b4a25a06531c42ae747bd7e6f59b5ef04e015f3027aba2cfbac5b
