[INFO] fetching crate simple-disk-benchmark 0.1.3...
[INFO] testing simple-disk-benchmark-0.1.3 against 1.75.0 for beta-1.76-1
[INFO] extracting crate simple-disk-benchmark 0.1.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate simple-disk-benchmark 0.1.3 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple-disk-benchmark 0.1.3
[INFO] finished tweaking crates.io crate simple-disk-benchmark 0.1.3
[INFO] tweaked toml for crates.io crate simple-disk-benchmark 0.1.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate simple-disk-benchmark 0.1.3 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3763b0968b70f7a2bd590e3cb0786531e99d898431f0cdb7341f9c6f312feb0a
[INFO] running `Command { std: "docker" "start" "-a" "3763b0968b70f7a2bd590e3cb0786531e99d898431f0cdb7341f9c6f312feb0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3763b0968b70f7a2bd590e3cb0786531e99d898431f0cdb7341f9c6f312feb0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3763b0968b70f7a2bd590e3cb0786531e99d898431f0cdb7341f9c6f312feb0a", kill_on_drop: false }`
[INFO] [stdout] 3763b0968b70f7a2bd590e3cb0786531e99d898431f0cdb7341f9c6f312feb0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e229125d802617cc351118752ac0727b2f802e5be51f1c4583f6e07068c1b09d
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[INFO] [stderr]    Compiling simple-disk-benchmark v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `AsRawFd`
[INFO] [stdout]  --> src/disk_benchmark/support.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::os::fd::{AsRawFd, FromRawFd};
[INFO] [stdout]   |                   ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::prelude::OsStrExt`
[INFO] [stdout]  --> src/volume.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::os::unix::prelude::OsStrExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/volume.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]  --> src/volume.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::str::FromStr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `open_for_benchmarking` has an incompatible type for trait
[INFO] [stdout]   --> src/disk_benchmark/support.rs:41:36
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn open_for_benchmarking(path: Path, no_disable_cache: bool) -> Result<File> {
[INFO] [stdout]    |                                    ^^^^
[INFO] [stdout]    |                                    |
[INFO] [stdout]    |                                    expected `&Path`, found `Path`
[INFO] [stdout]    |                                    help: change the parameter type to match the trait: `&Path`
[INFO] [stdout]    |
[INFO] [stdout] note: type in trait
[INFO] [stdout]   --> src/disk_benchmark/support.rs:19:36
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn open_for_benchmarking(path: &Path, no_disable_cache: bool) -> Result<File>;
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout]    = note: expected signature `fn(&Path, _) -> Result<_, _>`
[INFO] [stdout]               found signature `fn(Path, _) -> Result<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `create_for_benchmarking`
[INFO] [stdout]   --> src/disk_benchmark/support.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn create_for_benchmarking(path: &Path, no_disable_cache: bool) -> Result<File>;
[INFO] [stdout]    |     -------------------------------------------------------------------------------- `create_for_benchmarking` from trait
[INFO] [stdout] ...
[INFO] [stdout] 40 | impl DiskBenchmark for File {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `create_for_benchmarking` in implementation
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
[INFO] [stdout]   --> src/disk_benchmark/support.rs:41:30
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn open_for_benchmarking(path: Path, no_disable_cache: bool) -> Result<File> {
[INFO] [stdout]    |                              ^^^^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: within `Path`, the trait `Sized` is not implemented for `[u8]`
[INFO] [stdout] note: required because it appears within the type `Path`
[INFO] [stdout]   --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/std/src/path.rs:1992:12
[INFO] [stdout] help: function arguments must have a statically known size, borrowed types always have a known size
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn open_for_benchmarking(path: &Path, no_disable_cache: bool) -> Result<File> {
[INFO] [stdout]    |                                    +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/disk_benchmark/support.rs:50:17
[INFO] [stdout]     |
[INFO] [stdout] 49  |             let fd = libc::open(
[INFO] [stdout]     |                      ---------- arguments to this function are incorrect
[INFO] [stdout] 50  |                 path.as_os_str().as_bytes().as_ptr() as *const u8,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `*const i8`, found `*const u8`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected raw pointer `*const i8`
[INFO] [stdout]                found raw pointer `*const u8`
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/libc-0.2.147/src/unix/mod.rs:766:12
[INFO] [stdout]     |
[INFO] [stdout] 766 |     pub fn open(path: *const c_char, oflag: ::c_int, ...) -> ::c_int;
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0046, E0053, E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple-disk-benchmark` (bin "simple-disk-benchmark") due to 5 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e229125d802617cc351118752ac0727b2f802e5be51f1c4583f6e07068c1b09d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e229125d802617cc351118752ac0727b2f802e5be51f1c4583f6e07068c1b09d", kill_on_drop: false }`
[INFO] [stdout] e229125d802617cc351118752ac0727b2f802e5be51f1c4583f6e07068c1b09d
