[INFO] cloning repository https://github.com/hkvoch/slobster
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hkvoch/slobster" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhkvoch%2Fslobster", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhkvoch%2Fslobster'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63fd7902133aa36b8fe4a1baef889e1aa7e09f23
[INFO] checking hkvoch/slobster against 1.94.0 for beta-1.95-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhkvoch%2Fslobster" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/hkvoch/slobster
[INFO] finished tweaking git repo https://github.com/hkvoch/slobster
[INFO] tweaked toml for git repo https://github.com/hkvoch/slobster written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hkvoch/slobster on toolchain 1.94.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.94.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hkvoch/slobster 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" "+1.94.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slabbin v1.2.0
[INFO] [stderr]   Downloaded likely_stable v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 03ee2c76c5022cc7f2be55c21c138552f6ba05d30e3e91be04cf623d6419108a
[INFO] running `Command { std: "docker" "start" "-a" "03ee2c76c5022cc7f2be55c21c138552f6ba05d30e3e91be04cf623d6419108a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03ee2c76c5022cc7f2be55c21c138552f6ba05d30e3e91be04cf623d6419108a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03ee2c76c5022cc7f2be55c21c138552f6ba05d30e3e91be04cf623d6419108a", kill_on_drop: false }`
[INFO] [stdout] 03ee2c76c5022cc7f2be55c21c138552f6ba05d30e3e91be04cf623d6419108a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.94.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d57a01a2a5ec269682d149a0bce9b02cd5d40d019aaba36caa615d5d5a35af9d
[INFO] running `Command { std: "docker" "start" "-a" "d57a01a2a5ec269682d149a0bce9b02cd5d40d019aaba36caa615d5d5a35af9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.47
[INFO] [stderr]    Compiling cc v1.2.57
[INFO] [stderr]    Compiling likely_stable v0.1.3
[INFO] [stderr]    Compiling zerocopy-derive v0.8.47
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]     Checking rand_core v0.10.0
[INFO] [stderr]    Compiling winnow v1.0.0
[INFO] [stderr]     Checking clap_builder v4.6.0
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking cpufeatures v0.3.0
[INFO] [stderr]    Compiling toml_datetime v1.0.1+spec-1.1.0
[INFO] [stderr]     Checking chacha20 v0.10.0
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]    Compiling toml_parser v1.0.10+spec-1.1.0
[INFO] [stderr]    Compiling alloca v0.4.0
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking clap v4.6.0
[INFO] [stderr]    Compiling toml_edit v0.25.5+spec-1.1.0
[INFO] [stderr]     Checking criterion-plot v0.8.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking page_size v0.6.0
[INFO] [stderr]    Compiling rstest_macros v0.26.1
[INFO] [stderr]    Compiling slobster-bench v0.1.0 (/opt/rustwide/workdir/crates/slobster-bench)
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking rand v0.10.0
[INFO] [stderr] warning: slobster-bench@0.1.0: VERSION 1.94.0
[INFO] [stderr]     Checking slobster v0.1.0 (/opt/rustwide/workdir/crates/slobster)
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]     Checking futures-task v0.3.32
[INFO] [stdout] warning: unused import: `core::alloc::Layout`
[INFO] [stdout]  --> crates/slobster/src/slab.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use core::alloc::Layout;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-core v0.3.32
[INFO] [stderr]     Checking slabbin v1.2.0
[INFO] [stderr]     Checking coroner v0.1.0 (/opt/rustwide/workdir/crates/coroner)
[INFO] [stdout] error[E0432]: unresolved import `std::debug_assert_matches`
[INFO] [stdout]   --> crates/coroner/src/sys/unix/mod.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::{assert_matches, debug_assert_matches};
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           no `debug_assert_matches` in the root
[INFO] [stdout]    |                           help: a similar name exists in the module: `assert_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `assert_matches` in this scope
[INFO] [stdout]    --> crates/coroner/src/sys/unix/mod.rs:162:3
[INFO] [stdout]     |
[INFO] [stdout] 162 |         assert_matches!(
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `assert_matches` is imported here, but it is a module, not a macro
[INFO] [stdout]    --> crates/coroner/src/sys/unix/mod.rs:11:11
[INFO] [stdout]     |
[INFO] [stdout]  11 | use std::{assert_matches, debug_assert_matches};
[INFO] [stdout]     |           ^^^^^^^^^^^^^^
[INFO] [stdout] help: consider importing one of these macros
[INFO] [stdout]     |
[INFO] [stdout]   3 + use crate::sys::unix::assert_matches::assert_matches;
[INFO] [stdout]     |
[INFO] [stdout]   3 + use std::assert_matches::assert_matches;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `addr_of_mut`
[INFO] [stdout]  --> crates/coroner/src/sys/linux/io_uring.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::ptr::{NonNull, addr_of_mut};
[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: `std::io`
[INFO] [stdout]  --> crates/coroner/src/sys/linux/io_uring.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `kernel_rwf_t` should have an upper camel case name
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:250:6
[INFO] [stdout]     |
[INFO] [stdout] 250 | type kernel_rwf_t = u32;
[INFO] [stdout]     |      ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `KernelRwfT`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ManuallyDrop`
[INFO] [stdout]  --> crates/coroner/src/sys/unix/mod.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::mem::{ManuallyDrop, MaybeUninit};
[INFO] [stdout]   |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NonNull`
[INFO] [stdout]  --> crates/coroner/src/sys/unix/mod.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::ptr::{NonNull, null_mut};
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linux::*`
[INFO] [stdout]   --> crates/coroner/src/sys/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use linux::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: glob import doesn't reexport anything with visibility `pub` because no imported item is public enough
[INFO] [stdout]   --> crates/coroner/src/sys/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use unix::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the most public imported item is `pub(crate)`
[INFO] [stdout]   --> crates/coroner/src/sys/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use unix::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    = help: reduce the glob import's visibility or increase visibility of imported items
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches`
[INFO] [stdout]   --> crates/coroner/src/sys/unix/mod.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::{assert_matches, debug_assert_matches};
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-macro-crate v3.5.0
[INFO] [stdout] error[E0432]: unresolved import `std::debug_assert_matches`
[INFO] [stdout]   --> crates/coroner/src/sys/unix/mod.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::{assert_matches, debug_assert_matches};
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           no `debug_assert_matches` in the root
[INFO] [stdout]    |                           help: a similar name exists in the module: `assert_matches`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `assert_matches` in this scope
[INFO] [stdout]    --> crates/coroner/src/sys/unix/mod.rs:162:3
[INFO] [stdout]     |
[INFO] [stdout] 162 |         assert_matches!(
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `assert_matches` is imported here, but it is a module, not a macro
[INFO] [stdout]    --> crates/coroner/src/sys/unix/mod.rs:11:11
[INFO] [stdout]     |
[INFO] [stdout]  11 | use std::{assert_matches, debug_assert_matches};
[INFO] [stdout]     |           ^^^^^^^^^^^^^^
[INFO] [stdout] help: consider importing one of these macros
[INFO] [stdout]     |
[INFO] [stdout]   3 + use crate::sys::unix::assert_matches::assert_matches;
[INFO] [stdout]     |
[INFO] [stdout]   3 + use std::assert_matches::assert_matches;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `addr_of_mut`
[INFO] [stdout]  --> crates/coroner/src/sys/linux/io_uring.rs:2:26
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::ptr::{NonNull, addr_of_mut};
[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: `std::io`
[INFO] [stdout]  --> crates/coroner/src/sys/linux/io_uring.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `kernel_rwf_t` should have an upper camel case name
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:250:6
[INFO] [stdout]     |
[INFO] [stdout] 250 | type kernel_rwf_t = u32;
[INFO] [stdout]     |      ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `KernelRwfT`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ManuallyDrop`
[INFO] [stdout]  --> crates/coroner/src/sys/unix/mod.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::mem::{ManuallyDrop, MaybeUninit};
[INFO] [stdout]   |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `NonNull`
[INFO] [stdout]  --> crates/coroner/src/sys/unix/mod.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::ptr::{NonNull, null_mut};
[INFO] [stdout]   |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `linux::*`
[INFO] [stdout]   --> crates/coroner/src/sys/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use linux::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: glob import doesn't reexport anything with visibility `pub` because no imported item is public enough
[INFO] [stdout]   --> crates/coroner/src/sys/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use unix::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the most public imported item is `pub(crate)`
[INFO] [stdout]   --> crates/coroner/src/sys/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub use unix::*;
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    = help: reduce the glob import's visibility or increase visibility of imported items
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `assert_matches`
[INFO] [stdout]   --> crates/coroner/src/sys/unix/mod.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::{assert_matches, debug_assert_matches};
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #82775 <https://github.com/rust-lang/rust/issues/82775> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:517:26
[INFO] [stdout]     |
[INFO] [stdout] 517 |     pub fn prep_read(&self, fd: RawFd) -> SysResult<()> {
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sqe`
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:518:12
[INFO] [stdout]     |
[INFO] [stdout] 518 |         let Some(sqe) = self.sq.get_sqe() else {
[INFO] [stdout]     |                  ^^^ help: if this is intentional, prefix it with an underscore: `_sqe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coroner` (lib test) due to 3 previous errors; 9 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `fd`
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:517:26
[INFO] [stdout]     |
[INFO] [stdout] 517 |     pub fn prep_read(&self, fd: RawFd) -> SysResult<()> {
[INFO] [stdout]     |                             ^^ help: if this is intentional, prefix it with an underscore: `_fd`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sqe`
[INFO] [stdout]    --> crates/coroner/src/sys/linux/io_uring.rs:518:12
[INFO] [stdout]     |
[INFO] [stdout] 518 |         let Some(sqe) = self.sq.get_sqe() else {
[INFO] [stdout]     |                  ^^^ help: if this is intentional, prefix it with an underscore: `_sqe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coroner` (lib) due to 3 previous errors; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d57a01a2a5ec269682d149a0bce9b02cd5d40d019aaba36caa615d5d5a35af9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d57a01a2a5ec269682d149a0bce9b02cd5d40d019aaba36caa615d5d5a35af9d", kill_on_drop: false }`
[INFO] [stdout] d57a01a2a5ec269682d149a0bce9b02cd5d40d019aaba36caa615d5d5a35af9d
