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[INFO] [stderr]    Compiling hybrid_stream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `hybrid_stream::*`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hybrid_stream::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SourceError` is never constructed
[INFO] [stdout]   --> src/hybrid_stream.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum HybridStreamError {
[INFO] [stdout]    |          ----------------- variant in this enum
[INFO] [stdout] 16 |     IoError(String),
[INFO] [stdout] 17 |     SourceError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HybridStreamError` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Memory` and `File` are never constructed
[INFO] [stdout]   --> src/hybrid_stream.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | enum StorageBackend {
[INFO] [stdout]    |      -------------- variants in this enum
[INFO] [stdout] 39 |     Memory {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     File {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `store_bytes` is never used
[INFO] [stdout]   --> src/hybrid_stream.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl StorageBackend {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 51 |     fn store_bytes(&mut self, bytes: &[u8]) -> Result<(), HybridStreamError> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]    --> src/hybrid_stream.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 108 | struct HybridStreamState {
[INFO] [stdout]     |        ----------------- field in this struct
[INFO] [stdout] 109 |     index: u32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `should_use_file_storage` are never used
[INFO] [stdout]    --> src/hybrid_stream.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 142 | impl HybridStream {
[INFO] [stdout]     | ----------------- associated functions in this implementation
[INFO] [stdout] 143 |     // Create a new HybridStream with the given source stream and memory threshold
[INFO] [stdout] 144 |     pub fn new<S, E, F>(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 258 |     fn should_use_file_storage(threshold: f32) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.92s
[INFO] running `Command { std: "docker" "inspect" "6ce95914f5f38fa383be0e6c1809ad4508826927f24e8f6b2239af1bb75eebe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ce95914f5f38fa383be0e6c1809ad4508826927f24e8f6b2239af1bb75eebe0", kill_on_drop: false }`
[INFO] [stdout] 6ce95914f5f38fa383be0e6c1809ad4508826927f24e8f6b2239af1bb75eebe0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0720ea8546eab007f7237e2e83a1a7ca92cba32542f68a28f0a90ab93f25634
[INFO] running `Command { std: "docker" "start" "-a" "f0720ea8546eab007f7237e2e83a1a7ca92cba32542f68a28f0a90ab93f25634", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `hybrid_stream::*`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hybrid_stream::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SourceError` is never constructed
[INFO] [stdout]   --> src/hybrid_stream.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum HybridStreamError {
[INFO] [stdout]    |          ----------------- variant in this enum
[INFO] [stdout] 16 |     IoError(String),
[INFO] [stdout] 17 |     SourceError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HybridStreamError` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Memory` and `File` are never constructed
[INFO] [stdout]   --> src/hybrid_stream.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | enum StorageBackend {
[INFO] [stdout]    |      -------------- variants in this enum
[INFO] [stdout] 39 |     Memory {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     File {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `store_bytes` is never used
[INFO] [stdout]   --> src/hybrid_stream.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl StorageBackend {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 51 |     fn store_bytes(&mut self, bytes: &[u8]) -> Result<(), HybridStreamError> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling hybrid_stream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]    --> src/hybrid_stream.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 108 | struct HybridStreamState {
[INFO] [stdout]     |        ----------------- field in this struct
[INFO] [stdout] 109 |     index: u32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `should_use_file_storage` are never used
[INFO] [stdout]    --> src/hybrid_stream.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 142 | impl HybridStream {
[INFO] [stdout]     | ----------------- associated functions in this implementation
[INFO] [stdout] 143 |     // Create a new HybridStream with the given source stream and memory threshold
[INFO] [stdout] 144 |     pub fn new<S, E, F>(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 258 |     fn should_use_file_storage(threshold: f32) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hybrid_stream::*`
[INFO] [stdout]  --> src/lib.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hybrid_stream::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SourceError` is never constructed
[INFO] [stdout]   --> src/hybrid_stream.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub enum HybridStreamError {
[INFO] [stdout]    |          ----------------- variant in this enum
[INFO] [stdout] 16 |     IoError(String),
[INFO] [stdout] 17 |     SourceError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HybridStreamError` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Memory` and `File` are never constructed
[INFO] [stdout]   --> src/hybrid_stream.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | enum StorageBackend {
[INFO] [stdout]    |      -------------- variants in this enum
[INFO] [stdout] 39 |     Memory {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     File {
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `store_bytes` is never used
[INFO] [stdout]   --> src/hybrid_stream.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl StorageBackend {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 51 |     fn store_bytes(&mut self, bytes: &[u8]) -> Result<(), HybridStreamError> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]    --> src/hybrid_stream.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 108 | struct HybridStreamState {
[INFO] [stdout]     |        ----------------- field in this struct
[INFO] [stdout] 109 |     index: u32,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated functions `new` and `should_use_file_storage` are never used
[INFO] [stdout]    --> src/hybrid_stream.rs:144:12
[INFO] [stdout]     |
[INFO] [stdout] 142 | impl HybridStream {
[INFO] [stdout]     | ----------------- associated functions in this implementation
[INFO] [stdout] 143 |     // Create a new HybridStream with the given source stream and memory threshold
[INFO] [stdout] 144 |     pub fn new<S, E, F>(
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 258 |     fn should_use_file_storage(threshold: f32) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "f0720ea8546eab007f7237e2e83a1a7ca92cba32542f68a28f0a90ab93f25634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0720ea8546eab007f7237e2e83a1a7ca92cba32542f68a28f0a90ab93f25634", kill_on_drop: false }`
[INFO] [stdout] f0720ea8546eab007f7237e2e83a1a7ca92cba32542f68a28f0a90ab93f25634