[INFO] cloning repository https://github.com/kira-bruneau/piomux
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kira-bruneau/piomux" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkira-bruneau%2Fpiomux", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkira-bruneau%2Fpiomux'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2af7c286ff693b95c4c83d6350401be24a687fa
[INFO] checking kira-bruneau/piomux against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkira-bruneau%2Fpiomux" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kira-bruneau/piomux on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kira-bruneau/piomux
[INFO] finished tweaking git repo https://github.com/kira-bruneau/piomux
[INFO] tweaked toml for git repo https://github.com/kira-bruneau/piomux written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/kira-bruneau/piomux 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67a001cc3489d1abf5713ec6a6151016b79183ef5a9cc5e49a1fafef62a1acaf
[INFO] running `Command { std: "docker" "start" "-a" "67a001cc3489d1abf5713ec6a6151016b79183ef5a9cc5e49a1fafef62a1acaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67a001cc3489d1abf5713ec6a6151016b79183ef5a9cc5e49a1fafef62a1acaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67a001cc3489d1abf5713ec6a6151016b79183ef5a9cc5e49a1fafef62a1acaf", kill_on_drop: false }`
[INFO] [stdout] 67a001cc3489d1abf5713ec6a6151016b79183ef5a9cc5e49a1fafef62a1acaf
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1deef8e51c2c990741f9c964456f4d70cadbc2e32368530a46812bf55c6feae9
[INFO] running `Command { std: "docker" "start" "-a" "1deef8e51c2c990741f9c964456f4d70cadbc2e32368530a46812bf55c6feae9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking ringbuf v0.2.6
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]     Checking piomux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `is_full` is never used
[INFO] [stdout]   --> src/ring_buffer.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<T, const CAPACITY: usize> RingBuffer<T, CAPACITY> {
[INFO] [stdout]    | ------------------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn is_full(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_full` is never used
[INFO] [stdout]   --> src/ring_buffer.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<T, const CAPACITY: usize> RingBuffer<T, CAPACITY> {
[INFO] [stdout]    | ------------------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn is_full(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.70s
[INFO] running `Command { std: "docker" "inspect" "1deef8e51c2c990741f9c964456f4d70cadbc2e32368530a46812bf55c6feae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1deef8e51c2c990741f9c964456f4d70cadbc2e32368530a46812bf55c6feae9", kill_on_drop: false }`
[INFO] [stdout] 1deef8e51c2c990741f9c964456f4d70cadbc2e32368530a46812bf55c6feae9
[INFO] checking kira-bruneau/piomux against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkira-bruneau%2Fpiomux" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kira-bruneau/piomux on toolchain f9935d29d867449445ee008640ccca1bf1ae0889
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kira-bruneau/piomux
[INFO] finished tweaking git repo https://github.com/kira-bruneau/piomux
[INFO] tweaked toml for git repo https://github.com/kira-bruneau/piomux written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/kira-bruneau/piomux 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ef9bdf96b1982ca5b47ae4f7e88e145ea40e09f066fbf70c991b9269ef6be86
[INFO] running `Command { std: "docker" "start" "-a" "6ef9bdf96b1982ca5b47ae4f7e88e145ea40e09f066fbf70c991b9269ef6be86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ef9bdf96b1982ca5b47ae4f7e88e145ea40e09f066fbf70c991b9269ef6be86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ef9bdf96b1982ca5b47ae4f7e88e145ea40e09f066fbf70c991b9269ef6be86", kill_on_drop: false }`
[INFO] [stdout] 6ef9bdf96b1982ca5b47ae4f7e88e145ea40e09f066fbf70c991b9269ef6be86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97c33c8aaf90a278d77a6f7b0e4955ea47574434cef5301c35058490b77db4e7
[INFO] running `Command { std: "docker" "start" "-a" "97c33c8aaf90a278d77a6f7b0e4955ea47574434cef5301c35058490b77db4e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking ringbuf v0.2.6
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]     Checking piomux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `is_full` is never used
[INFO] [stdout]   --> src/ring_buffer.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<T, const CAPACITY: usize> RingBuffer<T, CAPACITY> {
[INFO] [stdout]    | ------------------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn is_full(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/server.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |           path: impl AsRef<Path>,
[INFO] [stdout]    |           ---------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 36 |           program: impl AsRef<OsStr>,
[INFO] [stdout]    |           -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 37 |           args: impl IntoIterator<Item = impl AsRef<OsStr>>,
[INFO] [stdout]    |           ------------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 41 |           let mut connections = Slab::with_capacity(1);
[INFO] [stdout]    |                   ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 47 |           Ok(Self {
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 48 | |             listener: UnixListener::bind(path)?,
[INFO] [stdout] 49 | |             connections,
[INFO] [stdout] 50 | |             process: Command::new(program)
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |             output_buffer,
[INFO] [stdout] 55 | |         })
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `piomux` (bin "piomux") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: method `is_full` is never used
[INFO] [stdout]   --> src/ring_buffer.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<T, const CAPACITY: usize> RingBuffer<T, CAPACITY> {
[INFO] [stdout]    | ------------------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |     pub fn is_full(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/server.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |           path: impl AsRef<Path>,
[INFO] [stdout]    |           ---------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 36 |           program: impl AsRef<OsStr>,
[INFO] [stdout]    |           -------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 37 |           args: impl IntoIterator<Item = impl AsRef<OsStr>>,
[INFO] [stdout]    |           ------------------------------------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 41 |           let mut connections = Slab::with_capacity(1);
[INFO] [stdout]    |                   ----------- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 47 |           Ok(Self {
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 48 | |             listener: UnixListener::bind(path)?,
[INFO] [stdout] 49 | |             connections,
[INFO] [stdout] 50 | |             process: Command::new(program)
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |             output_buffer,
[INFO] [stdout] 55 | |         })
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `piomux` (bin "piomux" test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "97c33c8aaf90a278d77a6f7b0e4955ea47574434cef5301c35058490b77db4e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97c33c8aaf90a278d77a6f7b0e4955ea47574434cef5301c35058490b77db4e7", kill_on_drop: false }`
[INFO] [stdout] 97c33c8aaf90a278d77a6f7b0e4955ea47574434cef5301c35058490b77db4e7