[INFO] fetching crate efs 0.4.0...
[INFO] testing efs-0.4.0 against nightly-2024-10-28 for randomize-layout
[INFO] extracting crate efs 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate efs 0.4.0 on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate efs 0.4.0
[INFO] finished tweaking crates.io crate efs 0.4.0
[INFO] tweaked toml for crates.io crate efs 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 40 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.11.0 (available: v0.13.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80c685796e6e2eb0cb5e63f901fe9ed2ac40ba88f0cd0594b178c3130699d242
[INFO] running `Command { std: "docker" "start" "-a" "80c685796e6e2eb0cb5e63f901fe9ed2ac40ba88f0cd0594b178c3130699d242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80c685796e6e2eb0cb5e63f901fe9ed2ac40ba88f0cd0594b178c3130699d242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80c685796e6e2eb0cb5e63f901fe9ed2ac40ba88f0cd0594b178c3130699d242", kill_on_drop: false }`
[INFO] [stdout] 80c685796e6e2eb0cb5e63f901fe9ed2ac40ba88f0cd0594b178c3130699d242
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa6e5974f86cf4568b616116db2e9dbb5cc400d79c1b77449131c2a6ff55cecd
[INFO] running `Command { std: "docker" "start" "-a" "aa6e5974f86cf4568b616116db2e9dbb5cc400d79c1b77449131c2a6ff55cecd", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling syn v2.0.86
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling regex-automata v0.4.8
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling derive_more v1.0.0
[INFO] [stderr]    Compiling efs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:272:12
[INFO] [stdout]     |
[INFO] [stdout] 272 | #![feature(const_mut_refs)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.27s
[INFO] running `Command { std: "docker" "inspect" "aa6e5974f86cf4568b616116db2e9dbb5cc400d79c1b77449131c2a6ff55cecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa6e5974f86cf4568b616116db2e9dbb5cc400d79c1b77449131c2a6ff55cecd", kill_on_drop: false }`
[INFO] [stdout] aa6e5974f86cf4568b616116db2e9dbb5cc400d79c1b77449131c2a6ff55cecd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60b1b7ef418d43b75fa1538f309ee72904504f2273f2a21237a26933bbff9113
[INFO] running `Command { std: "docker" "start" "-a" "60b1b7ef418d43b75fa1538f309ee72904504f2273f2a21237a26933bbff9113", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.6.0
[INFO] [stderr]    Compiling rustix v0.38.38
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling fastrand v2.1.1
[INFO] [stderr]    Compiling efs v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:272:12
[INFO] [stdout]     |
[INFO] [stdout] 272 | #![feature(const_mut_refs)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempfile v3.13.0
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]  --> src/tests.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::File;
[INFO] [stdout]   |     ^^^ use of undeclared crate or module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]  --> src/tests.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::copy;
[INFO] [stdout]   |     ^^^ use of undeclared crate or module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]  --> src/tests.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::path::Path;
[INFO] [stdout]   |     ^^^ use of undeclared crate or module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]  --> src/tests.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::string::ToString;
[INFO] [stdout]   |     ^^^ use of undeclared crate or module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]  --> src/tests.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::atomic::{AtomicU32, Ordering};
[INFO] [stdout]   |     ^^^ use of undeclared crate or module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]    --> src/dev/mod.rs:529:9
[INFO] [stdout]     |
[INFO] [stdout] 529 |     use std::io::{Read, Seek, SeekFrom, Write};
[INFO] [stdout]     |         ^^^ use of undeclared crate or module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std`
[INFO] [stdout]    --> src/dev/mod.rs:528:9
[INFO] [stdout]     |
[INFO] [stdout] 528 |     use std::fs;
[INFO] [stdout]     |         ^^^ use of undeclared crate or module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]    --> src/fs/ext2/block.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |     use std::fs::File;
[INFO] [stdout]     |         ^^^ use of undeclared crate or module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::io::StdIOWrapper`
[INFO] [stdout]    --> src/dev/mod.rs:536:27
[INFO] [stdout]     |
[INFO] [stdout] 536 |     use crate::io::{Base, StdIOWrapper};
[INFO] [stdout]     |                           ^^^^^^^^^^^^ no `StdIOWrapper` in `io`
[INFO] [stdout]     |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]    --> src/io.rs:171:12
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub struct StdIOWrapper<S, FSE: core::error::Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] note: the item is gated behind the `std` feature
[INFO] [stdout]    --> src/io.rs:169:7
[INFO] [stdout]     |
[INFO] [stdout] 169 | #[cfg(feature = "std")]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]    --> src/fs/ext2/inode.rs:813:9
[INFO] [stdout]     |
[INFO] [stdout] 813 |     use std::fs::File;
[INFO] [stdout]     |         ^^^ use of undeclared crate or module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std`
[INFO] [stdout]    --> src/fs/ext2/block_group.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |     use std::time;
[INFO] [stdout]     |         ^^^ use of undeclared crate or module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std`
[INFO] [stdout]    --> src/fs/ext2/inode.rs:814:9
[INFO] [stdout]     |
[INFO] [stdout] 814 |     use std::time;
[INFO] [stdout]     |         ^^^ use of undeclared crate or module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]    --> src/dev/mod.rs:717:51
[INFO] [stdout]     |
[INFO] [stdout] 717 |             fn read(&mut self, buf: &mut [u8]) -> std::io::Result<usize> {
[INFO] [stdout]     |                                                   ^^^ use of undeclared crate or module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]    --> src/dev/mod.rs:724:48
[INFO] [stdout]     |
[INFO] [stdout] 724 |             fn write(&mut self, buf: &[u8]) -> std::io::Result<usize> {
[INFO] [stdout]     |                                                ^^^ use of undeclared crate or module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]    --> src/dev/mod.rs:728:36
[INFO] [stdout]     |
[INFO] [stdout] 728 |             fn flush(&mut self) -> std::io::Result<()> {
[INFO] [stdout]     |                                    ^^^ use of undeclared crate or module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]    --> src/dev/mod.rs:734:51
[INFO] [stdout]     |
[INFO] [stdout] 734 |             fn seek(&mut self, _pos: SeekFrom) -> std::io::Result<u64> {
[INFO] [stdout]     |                                                   ^^^ use of undeclared crate or module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]     --> src/fs/ext2/file.rs:1789:9
[INFO] [stdout]      |
[INFO] [stdout] 1789 |         std::thread::sleep(Duration::from_secs(2));
[INFO] [stdout]      |         ^^^ use of undeclared crate or module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]     --> src/fs/ext2/file.rs:1802:9
[INFO] [stdout]      |
[INFO] [stdout] 1802 |         std::thread::sleep(Duration::from_secs(1));
[INFO] [stdout]      |         ^^^ use of undeclared crate or module `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]    --> src/dev/mod.rs:553:38
[INFO] [stdout]     |
[INFO] [stdout] 553 |         let mut slice = Device::<u8, std::io::Error>::slice(&mut device, Address::from(256_u32)..Address::from(512_u32)).unwrap();
[INFO] [stdout]     |                                      ^^^ use of undeclared crate or module `std`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout] 522 +     use crate::io;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 553 -         let mut slice = Device::<u8, std::io::Error>::slice(&mut device, Address::from(256_u32)..Address::from(512_u32)).unwrap();
[INFO] [stdout] 553 +         let mut slice = Device::<u8, io::Error>::slice(&mut device, Address::from(256_u32)..Address::from(512_u32)).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]    --> src/dev/mod.rs:558:30
[INFO] [stdout]     |
[INFO] [stdout] 558 |         assert!(Device::<u8, std::io::Error>::commit(&mut device, commit).is_ok());
[INFO] [stdout]     |                              ^^^ use of undeclared crate or module `std`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout] 522 +     use crate::io;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 558 -         assert!(Device::<u8, std::io::Error>::commit(&mut device, commit).is_ok());
[INFO] [stdout] 558 +         assert!(Device::<u8, io::Error>::commit(&mut device, commit).is_ok());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]    --> src/dev/mod.rs:616:26
[INFO] [stdout]     |
[INFO] [stdout] 616 |             Device::<u8, std::io::Error>::slice(&mut device, Address::from(OFFSET)..Address::from(OFFSET + size_of::<Test>()))
[INFO] [stdout]     |                          ^^^ use of undeclared crate or module `std`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout] 522 +     use crate::io;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 616 -             Device::<u8, std::io::Error>::slice(&mut device, Address::from(OFFSET)..Address::from(OFFSET + size_of::<Test>()))
[INFO] [stdout] 616 +             Device::<u8, io::Error>::slice(&mut device, Address::from(OFFSET)..Address::from(OFFSET + size_of::<Test>()))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]    --> src/dev/mod.rs:622:22
[INFO] [stdout]     |
[INFO] [stdout] 622 |         Device::<u8, std::io::Error>::commit(&mut device, commit).unwrap();
[INFO] [stdout]     |                      ^^^ use of undeclared crate or module `std`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout] 522 +     use crate::io;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 622 -         Device::<u8, std::io::Error>::commit(&mut device, commit).unwrap();
[INFO] [stdout] 622 +         Device::<u8, io::Error>::commit(&mut device, commit).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]    --> src/dev/mod.rs:624:47
[INFO] [stdout]     |
[INFO] [stdout] 624 |         let read_test = unsafe { Device::<u8, std::io::Error>::read_at::<Test>(&mut device, Address::from(OFFSET)).unwrap() };
[INFO] [stdout]     |                                               ^^^ use of undeclared crate or module `std`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout] 522 +     use crate::io;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 624 -         let read_test = unsafe { Device::<u8, std::io::Error>::read_at::<Test>(&mut device, Address::from(OFFSET)).unwrap() };
[INFO] [stdout] 624 +         let read_test = unsafe { Device::<u8, io::Error>::read_at::<Test>(&mut device, Address::from(OFFSET)).unwrap() };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]    --> src/dev/mod.rs:652:26
[INFO] [stdout]     |
[INFO] [stdout] 652 |             Device::<u8, std::io::Error>::write_at(&mut device, Address::from(OFFSET), test).unwrap();
[INFO] [stdout]     |                          ^^^ use of undeclared crate or module `std`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout] 522 +     use crate::io;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 652 -             Device::<u8, std::io::Error>::write_at(&mut device, Address::from(OFFSET), test).unwrap();
[INFO] [stdout] 652 +             Device::<u8, io::Error>::write_at(&mut device, Address::from(OFFSET), test).unwrap();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `std`
[INFO] [stdout]    --> src/dev/mod.rs:655:34
[INFO] [stdout]     |
[INFO] [stdout] 655 |         let slice = Device::<u8, std::io::Error>::slice(
[INFO] [stdout]     |                                  ^^^ use of undeclared crate or module `std`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]     |
[INFO] [stdout] 522 +     use crate::io;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `io`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 655 -         let slice = Device::<u8, std::io::Error>::slice(
[INFO] [stdout] 655 +         let slice = Device::<u8, io::Error>::slice(
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_mut_refs` has been stable since 1.83.0 and no longer requires an attribute to enable
[INFO] [stdout]    --> src/lib.rs:272:12
[INFO] [stdout]     |
[INFO] [stdout] 272 | #![feature(const_mut_refs)]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `efs` (lib test) due to 25 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "60b1b7ef418d43b75fa1538f309ee72904504f2273f2a21237a26933bbff9113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60b1b7ef418d43b75fa1538f309ee72904504f2273f2a21237a26933bbff9113", kill_on_drop: false }`
[INFO] [stdout] 60b1b7ef418d43b75fa1538f309ee72904504f2273f2a21237a26933bbff9113
