[INFO] cloning repository https://github.com/TimLuq/bytedata-ipc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TimLuq/bytedata-ipc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimLuq%2Fbytedata-ipc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimLuq%2Fbytedata-ipc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9de8b7d0e92320746fbe55c93acf862c0671cf12
[INFO] checking TimLuq/bytedata-ipc against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimLuq%2Fbytedata-ipc" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/TimLuq/bytedata-ipc
[INFO] finished tweaking git repo https://github.com/TimLuq/bytedata-ipc
[INFO] tweaked toml for git repo https://github.com/TimLuq/bytedata-ipc written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/TimLuq/bytedata-ipc on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/TimLuq/bytedata-ipc 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cc9ca6b29b7e54e130fc70e12bc0dc59bdace84b6e23ce12b3f5136aabe0c00
[INFO] running `Command { std: "docker" "start" "-a" "1cc9ca6b29b7e54e130fc70e12bc0dc59bdace84b6e23ce12b3f5136aabe0c00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cc9ca6b29b7e54e130fc70e12bc0dc59bdace84b6e23ce12b3f5136aabe0c00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cc9ca6b29b7e54e130fc70e12bc0dc59bdace84b6e23ce12b3f5136aabe0c00", kill_on_drop: false }`
[INFO] [stdout] 1cc9ca6b29b7e54e130fc70e12bc0dc59bdace84b6e23ce12b3f5136aabe0c00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 086b160605b01e9533da67f1f6f2b25b65e61d860f276dadcbb0764b9e68f988
[INFO] running `Command { std: "docker" "start" "-a" "086b160605b01e9533da67f1f6f2b25b65e61d860f276dadcbb0764b9e68f988", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling enumflags2_derive v0.7.12
[INFO] [stderr]     Checking enumflags2 v0.7.12
[INFO] [stderr]     Checking bytedata-ipc v0.1.0 (/opt/rustwide/workdir/bytedata-ipc)
[INFO] [stdout] warning: unused import: `nix as os`
[INFO] [stdout]   --> bytedata-ipc/src/handle.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | use nix as os;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `nix as os`
[INFO] [stdout]   --> bytedata-ipc/src/handle.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 | use nix as os;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> bytedata-ipc/src/nix/handle.rs:167:17
[INFO] [stdout]     |
[INFO] [stdout] 164 |         unsafe {
[INFO] [stdout]     |         ------ because it's nested under this `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 167 |                 unsafe { libc::printf(c"Warning: munmap failed".as_ptr()) };
[INFO] [stdout]     |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `IpcHandle` is never constructed
[INFO] [stdout]   --> bytedata-ipc/src/handle.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct IpcHandle {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `handle` and `internal_flags` are never read
[INFO] [stdout]   --> bytedata-ipc/src/handle.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct IpcHandle {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |     handle: c_int,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     internal_flags: enumflags2::BitFlags<InternalFlags>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `create` and `open` are never used
[INFO] [stdout]    --> bytedata-ipc/src/nix/handle.rs:17:19
[INFO] [stdout]     |
[INFO] [stdout]   7 | impl IpcHandle {
[INFO] [stdout]     | -------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  17 |     pub(crate) fn create(path: IpcPath<'_>, size: u32, flags: enumflags2::BitFlags<super::IpcFlags>) -> Result<Self, &'static str> {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     pub(crate) fn open(path: IpcPath<'_>, size: u32, flags: enumflags2::BitFlags<super::IpcFlags>) -> Result<Self, &'static str> {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bytedata-ipc` (lib test) due to 1 previous error; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> bytedata-ipc/src/nix/handle.rs:167:17
[INFO] [stdout]     |
[INFO] [stdout] 164 |         unsafe {
[INFO] [stdout]     |         ------ because it's nested under this `unsafe` block
[INFO] [stdout] ...
[INFO] [stdout] 167 |                 unsafe { libc::printf(c"Warning: munmap failed".as_ptr()) };
[INFO] [stdout]     |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `IpcHandle` is never constructed
[INFO] [stdout]   --> bytedata-ipc/src/handle.rs:34:12
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct IpcHandle {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `handle` and `internal_flags` are never read
[INFO] [stdout]   --> bytedata-ipc/src/handle.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct IpcHandle {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 38 |     handle: c_int,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     internal_flags: enumflags2::BitFlags<InternalFlags>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `create` and `open` are never used
[INFO] [stdout]    --> bytedata-ipc/src/nix/handle.rs:17:19
[INFO] [stdout]     |
[INFO] [stdout]   7 | impl IpcHandle {
[INFO] [stdout]     | -------------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  17 |     pub(crate) fn create(path: IpcPath<'_>, size: u32, flags: enumflags2::BitFlags<super::IpcFlags>) -> Result<Self, &'static str> {
[INFO] [stdout]     |                   ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     pub(crate) fn open(path: IpcPath<'_>, size: u32, flags: enumflags2::BitFlags<super::IpcFlags>) -> Result<Self, &'static str> {
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bytedata-ipc` (lib) due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "086b160605b01e9533da67f1f6f2b25b65e61d860f276dadcbb0764b9e68f988", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "086b160605b01e9533da67f1f6f2b25b65e61d860f276dadcbb0764b9e68f988", kill_on_drop: false }`
[INFO] [stdout] 086b160605b01e9533da67f1f6f2b25b65e61d860f276dadcbb0764b9e68f988
