[INFO] cloning repository https://github.com/sundresh/disk-cache
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sundresh/disk-cache" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsundresh%2Fdisk-cache", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsundresh%2Fdisk-cache'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0bc6c5b56d60d2cadddfea82af66e0af32b77c48
[INFO] checking sundresh/disk-cache against 615014f15745532730b9ce7a1d9309f8b4756f93 for pr-160491
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsundresh%2Fdisk-cache" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sundresh/disk-cache
[INFO] finished tweaking git repo https://github.com/sundresh/disk-cache
[INFO] tweaked toml for git repo https://github.com/sundresh/disk-cache written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sundresh/disk-cache on toolchain 615014f15745532730b9ce7a1d9309f8b4756f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+615014f15745532730b9ce7a1d9309f8b4756f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sundresh/disk-cache 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" "+615014f15745532730b9ce7a1d9309f8b4756f93" "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]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking sundresh/disk-cache against 615014f15745532730b9ce7a1d9309f8b4756f93 for pr-160491
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsundresh%2Fdisk-cache" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sundresh/disk-cache
[INFO] finished tweaking git repo https://github.com/sundresh/disk-cache
[INFO] tweaked toml for git repo https://github.com/sundresh/disk-cache written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sundresh/disk-cache on toolchain 615014f15745532730b9ce7a1d9309f8b4756f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+615014f15745532730b9ce7a1d9309f8b4756f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sundresh/disk-cache 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" "+615014f15745532730b9ce7a1d9309f8b4756f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stream-dup v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 05effa8e63902b455f0c35807c6342d6fde78cd20be3ec1efbc98a6ddfdbfd49
[INFO] running `Command { std: "docker" "start" "05effa8e63902b455f0c35807c6342d6fde78cd20be3ec1efbc98a6ddfdbfd49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05effa8e63902b455f0c35807c6342d6fde78cd20be3ec1efbc98a6ddfdbfd49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "05effa8e63902b455f0c35807c6342d6fde78cd20be3ec1efbc98a6ddfdbfd49" "/opt/rustwide/cargo-home/bin/cargo" "+615014f15745532730b9ce7a1d9309f8b4756f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05effa8e63902b455f0c35807c6342d6fde78cd20be3ec1efbc98a6ddfdbfd49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "05effa8e63902b455f0c35807c6342d6fde78cd20be3ec1efbc98a6ddfdbfd49" "/opt/rustwide/cargo-home/bin/cargo" "+615014f15745532730b9ce7a1d9309f8b4756f93" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v2.12.1
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking getrandom v0.4.2
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking rustix v1.1.4
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]     Checking async-stream v0.3.6
[INFO] [stderr]     Checking tokio v1.52.3
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking tokio-stream v0.1.18
[INFO] [stderr]     Checking stream-dup v0.4.0
[INFO] [stderr]     Checking disk-cache v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `len` is never used
[INFO] [stdout]  --> src/disk_cache.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn len(file: &mut File) -> std::io::Result<usize> {
[INFO] [stdout]   |    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mmap_file_with_capacity` is never used
[INFO] [stdout]   --> src/disk_cache.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn mmap_file_with_capacity(file: &File, capacity: usize) -> std::io::Result<Mmap> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FileBackingStoreError` is never used
[INFO] [stdout]   --> src/disk_cache.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | enum FileBackingStoreError {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileState` is never constructed
[INFO] [stdout]   --> src/disk_cache.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct FileState {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileBackingStore` is never constructed
[INFO] [stdout]   --> src/disk_cache.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct FileBackingStore<const block_size: usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `create_new`, `open`, and `extend_mmap` are never used
[INFO] [stdout]   --> src/disk_cache.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl<const block_size: usize> FileBackingStore<block_size> {
[INFO] [stdout]    | ---------------------------------------------------------- associated items in this implementation
[INFO] [stdout] 44 |     fn create_new(file_path: &Path, capacity: usize) -> std::io::Result<Self> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn open(file_path: &Path) -> std::io::Result<Self> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     fn extend_mmap(&mut self, new_capacity: usize) -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: const parameter `block_size` should have an upper case name
[INFO] [stdout]   --> src/disk_cache.rs:38:31
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct FileBackingStore<const block_size: usize> {
[INFO] [stdout]    |                               ^^^^^^^^^^ help: convert the identifier to upper case: `BLOCK_SIZE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: const parameter `block_size` should have an upper case name
[INFO] [stdout]   --> src/disk_cache.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl<const block_size: usize> FileBackingStore<block_size> {
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to upper case: `BLOCK_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/disk_cache.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         file.seek(std::io::SeekFrom::End(0));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let _ = file.seek(std::io::SeekFrom::End(0));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: const parameter `block_size` should have an upper case name
[INFO] [stdout]   --> src/disk_cache.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl<const block_size: usize> Default for FileBackingStore<block_size> {
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to upper case: `BLOCK_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: const parameter `block_size` should have an upper case name
[INFO] [stdout]   --> src/disk_cache.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl<const block_size: usize> BackingStore<FileBackingStoreError> for FileBackingStore<block_size> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 79 - impl<const block_size: usize> BackingStore<FileBackingStoreError> for FileBackingStore<block_size> {
[INFO] [stdout] 79 + impl<const BLOCK_SIZE: usize> BackingStore<FileBackingStoreError> for FileBackingStore<block_size> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `len` is never used
[INFO] [stdout]  --> src/disk_cache.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn len(file: &mut File) -> std::io::Result<usize> {
[INFO] [stdout]   |    ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mmap_file_with_capacity` is never used
[INFO] [stdout]   --> src/disk_cache.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn mmap_file_with_capacity(file: &File, capacity: usize) -> std::io::Result<Mmap> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `FileBackingStoreError` is never used
[INFO] [stdout]   --> src/disk_cache.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | enum FileBackingStoreError {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileState` is never constructed
[INFO] [stdout]   --> src/disk_cache.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | struct FileState {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileBackingStore` is never constructed
[INFO] [stdout]   --> src/disk_cache.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct FileBackingStore<const block_size: usize> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `create_new`, `open`, and `extend_mmap` are never used
[INFO] [stdout]   --> src/disk_cache.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl<const block_size: usize> FileBackingStore<block_size> {
[INFO] [stdout]    | ---------------------------------------------------------- associated items in this implementation
[INFO] [stdout] 44 |     fn create_new(file_path: &Path, capacity: usize) -> std::io::Result<Self> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |     fn open(file_path: &Path) -> std::io::Result<Self> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     fn extend_mmap(&mut self, new_capacity: usize) -> std::io::Result<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: const parameter `block_size` should have an upper case name
[INFO] [stdout]   --> src/disk_cache.rs:38:31
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct FileBackingStore<const block_size: usize> {
[INFO] [stdout]    |                               ^^^^^^^^^^ help: convert the identifier to upper case: `BLOCK_SIZE`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: const parameter `block_size` should have an upper case name
[INFO] [stdout]   --> src/disk_cache.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl<const block_size: usize> FileBackingStore<block_size> {
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to upper case: `BLOCK_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/disk_cache.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 54 |         file.seek(std::io::SeekFrom::End(0));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let _ = file.seek(std::io::SeekFrom::End(0));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: const parameter `block_size` should have an upper case name
[INFO] [stdout]   --> src/disk_cache.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 | impl<const block_size: usize> Default for FileBackingStore<block_size> {
[INFO] [stdout]    |            ^^^^^^^^^^ help: convert the identifier to upper case: `BLOCK_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: const parameter `block_size` should have an upper case name
[INFO] [stdout]   --> src/disk_cache.rs:79:12
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl<const block_size: usize> BackingStore<FileBackingStoreError> for FileBackingStore<block_size> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]    |
[INFO] [stdout] 79 - impl<const block_size: usize> BackingStore<FileBackingStoreError> for FileBackingStore<block_size> {
[INFO] [stdout] 79 + impl<const BLOCK_SIZE: usize> BackingStore<FileBackingStoreError> for FileBackingStore<block_size> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.74s
[INFO] running `Command { std: "docker" "inspect" "05effa8e63902b455f0c35807c6342d6fde78cd20be3ec1efbc98a6ddfdbfd49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05effa8e63902b455f0c35807c6342d6fde78cd20be3ec1efbc98a6ddfdbfd49", kill_on_drop: false }`
[INFO] [stdout] 05effa8e63902b455f0c35807c6342d6fde78cd20be3ec1efbc98a6ddfdbfd49
