[INFO] fetching crate async-vfs-os 0.56.0...
[INFO] testing async-vfs-os-0.56.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate async-vfs-os 0.56.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate async-vfs-os 0.56.0
[INFO] finished tweaking crates.io crate async-vfs-os 0.56.0
[INFO] tweaked toml for crates.io crate async-vfs-os 0.56.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-vfs-os 0.56.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 131 packages to latest compatible versions
[INFO] [stderr]       Adding futures-lite v1.13.0 (available: v2.6.1)
[INFO] [stderr]       Adding smol v1.3.0 (available: v2.0.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-vfs v0.56.0
[INFO] [stderr]   Downloaded smol-potat v1.1.2
[INFO] [stderr]   Downloaded smol-potat-macro v0.6.0
[INFO] [stderr]   Downloaded async-compat v0.2.5
[INFO] [stderr]   Downloaded async-net v1.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f85ee9e0f0ef2bdefa9d730c1b8f67f4779deab7bdbec93d32cea33541d0486
[INFO] running `Command { std: "docker" "start" "-a" "2f85ee9e0f0ef2bdefa9d730c1b8f67f4779deab7bdbec93d32cea33541d0486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f85ee9e0f0ef2bdefa9d730c1b8f67f4779deab7bdbec93d32cea33541d0486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f85ee9e0f0ef2bdefa9d730c1b8f67f4779deab7bdbec93d32cea33541d0486", kill_on_drop: false }`
[INFO] [stdout] 2f85ee9e0f0ef2bdefa9d730c1b8f67f4779deab7bdbec93d32cea33541d0486
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a853d1c7126bcf9bb731fc722618a11a91476edf31f0858ca6acbeb9d7139e0
[INFO] running `Command { std: "docker" "start" "-a" "0a853d1c7126bcf9bb731fc722618a11a91476edf31f0858ca6acbeb9d7139e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling async-vfs v0.56.0
[INFO] [stderr]    Compiling async-vfs-os v0.56.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: async-vfs-os:
[INFO] [stdout]        You must enable one of the three runtime feature flags
[INFO] [stdout]        to use this crate: async-std/smol/tokio.
[INFO] [stdout]   --> src/fs_shims.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | /         compile_error!("async-vfs-os:
[INFO] [stdout] 21 | | You must enable one of the three runtime feature flags
[INFO] [stdout] 22 | | to use this crate: async-std/smol/tokio."
[INFO] [stdout] 23 | | );
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `crate::fs_shims::fs`, `crate::fs_shims::read_dir`, `crate::fs_shims::Path`, `crate::fs_shims::PathBuf`
[INFO] [stdout]  --> src/os.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::fs_shims::{fs, read_dir, Path, PathBuf};
[INFO] [stdout]   |                       ^^  ^^^^^^^^  ^^^^  ^^^^^^^ no `PathBuf` in `fs_shims`
[INFO] [stdout]   |                       |   |         |
[INFO] [stdout]   |                       |   |         no `Path` in `fs_shims`
[INFO] [stdout]   |                       |   no `read_dir` in `fs_shims`
[INFO] [stdout]   |                       no `fs` in `fs_shims`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider importing one of these modules instead:
[INFO] [stdout]           std::fs
[INFO] [stdout]           std::os::linux::fs
[INFO] [stdout]           std::os::unix::fs
[INFO] [stdout]   = help: consider importing this struct instead:
[INFO] [stdout]           std::path::Path
[INFO] [stdout]   = help: consider importing this struct instead:
[INFO] [stdout]           std::path::PathBuf
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/os.rs:113:13
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let mut dir = read_dir(self.get_real_path(path)?).await?;
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |         while let Some(entry) = dir.next().await {
[INFO] [stdout]     |                                 --- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving `dir` an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let mut dir: /* Type */ = read_dir(self.get_real_path(path)?).await?;
[INFO] [stdout]     |                    ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/os.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |             let entry = entry?;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] 118 |             let metadata = entry.metadata().await?;
[INFO] [stdout]     |                            ----- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving `entry` an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 117 |             let entry: /* Type */ = entry?;
[INFO] [stdout]     |                      ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/os.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |             let metadata = entry.metadata().await?;
[INFO] [stdout]     |                 ^^^^^^^^
[INFO] [stdout] 119 |             let path = entry.path();
[INFO] [stdout] 120 |             let mtime = match metadata.modified() {
[INFO] [stdout]     |                               -------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving `metadata` an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 118 |             let metadata: /* Type */ = entry.metadata().await?;
[INFO] [stdout]     |                         ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/os.rs:154:13
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let metadata = fs::metadata(&path).await?;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 155 |         let mtime = match metadata.modified() {
[INFO] [stdout]     |                           -------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving `metadata` an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let metadata: /* Type */ = fs::metadata(&path).await?;
[INFO] [stdout]     |                     ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `dyn VFile + Send` cannot be known at compilation time
[INFO] [stdout]    --> src/os.rs:213:31
[INFO] [stdout]     |
[INFO] [stdout] 213 |         Ok(Pin::from(Box::new(file)))
[INFO] [stdout]     |                      -------- ^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sized` is not implemented for `dyn VFile + Send`
[INFO] [stdout] note: required by a bound in `Box::<T>::new`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/alloc/src/boxed.rs:265:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `dyn VFile + Send` cannot be known at compilation time
[INFO] [stdout]    --> src/os.rs:197:13
[INFO] [stdout]     |
[INFO] [stdout] 197 |         let file = fs::OpenOptions::new()
[INFO] [stdout]     |             ^^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sized` is not implemented for `dyn VFile + Send`
[INFO] [stdout]     = note: all local variables must have a statically known size
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `dyn VFile + Send` cannot be known at compilation time
[INFO] [stdout]    --> src/os.rs:197:20
[INFO] [stdout]     |
[INFO] [stdout] 197 |           let file = fs::OpenOptions::new()
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 198 | |             .read(options.has_read())
[INFO] [stdout] 199 | |             .write(options.has_write())
[INFO] [stdout] 200 | |             .create(options.has_create())
[INFO] [stdout] ...   |
[INFO] [stdout] 203 | |             .open(raw_path)
[INFO] [stdout] 204 | |             .await?;
[INFO] [stdout]     | |___________________^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sized` is not implemented for `dyn VFile + Send`
[INFO] [stdout]     = note: all local variables must have a statically known size
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `dyn VFile + Send` cannot be known at compilation time
[INFO] [stdout]    --> src/os.rs:204:19
[INFO] [stdout]     |
[INFO] [stdout] 204 |             .await?;
[INFO] [stdout]     |                   ^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `Sized` is not implemented for `dyn VFile + Send`
[INFO] [stdout] note: required by an implicit `Sized` bound in `ControlFlow`
[INFO] [stdout]    --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/control_flow.rs:88:0
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/os.rs:219:13
[INFO] [stdout]     |
[INFO] [stdout] 219 |         let metadata = fs::metadata(&path).await?;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 220 |
[INFO] [stdout] 221 |         if metadata.is_dir() {
[INFO] [stdout]     |            -------- type must be known at this point
[INFO] [stdout]     |
[INFO] [stdout] help: consider giving `metadata` an explicit type
[INFO] [stdout]     |
[INFO] [stdout] 219 |         let metadata: /* Type */ = fs::metadata(&path).await?;
[INFO] [stdout]     |                     ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0282, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-vfs-os` (lib) due to 11 previous errors
[INFO] running `Command { std: "docker" "inspect" "0a853d1c7126bcf9bb731fc722618a11a91476edf31f0858ca6acbeb9d7139e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a853d1c7126bcf9bb731fc722618a11a91476edf31f0858ca6acbeb9d7139e0", kill_on_drop: false }`
[INFO] [stdout] 0a853d1c7126bcf9bb731fc722618a11a91476edf31f0858ca6acbeb9d7139e0
