[INFO] cloning repository https://github.com/ganeshkumar269/zstd-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ganeshkumar269/zstd-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fganeshkumar269%2Fzstd-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fganeshkumar269%2Fzstd-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c44ad5c5f315c5347bc2477e653fedd28b1db50
[INFO] testing ganeshkumar269/zstd-rust against 1.100.0-beta.1 for beta-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fganeshkumar269%2Fzstd-rust" "/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/ganeshkumar269/zstd-rust
[INFO] finished tweaking git repo https://github.com/ganeshkumar269/zstd-rust
[INFO] tweaked toml for git repo https://github.com/ganeshkumar269/zstd-rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ganeshkumar269/zstd-rust on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ganeshkumar269/zstd-rust 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] bf456ab6e7dcd692aa02c5d08e26b0ef72a681f3859187f8498668e62378d410
[INFO] running `Command { std: "docker" "start" "bf456ab6e7dcd692aa02c5d08e26b0ef72a681f3859187f8498668e62378d410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf456ab6e7dcd692aa02c5d08e26b0ef72a681f3859187f8498668e62378d410", 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" "bf456ab6e7dcd692aa02c5d08e26b0ef72a681f3859187f8498668e62378d410" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf456ab6e7dcd692aa02c5d08e26b0ef72a681f3859187f8498668e62378d410", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bf456ab6e7dcd692aa02c5d08e26b0ef72a681f3859187f8498668e62378d410" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling zstd-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]  --> src/compress.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn compress(bytes: &[u8]) -> Result<&[u8], &str>{
[INFO] [stdout]   |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]  --> src/lib.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn compress(bytes: &[u8]) -> Result<&[u8], &str> {
[INFO] [stdout]   |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]  --> src/lib.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn decompress(bytes: &[u8]) -> Result<&[u8], &str> {
[INFO] [stdout]   |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compress` is never used
[INFO] [stdout]  --> src/compress.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn compress(bytes: &[u8]) -> Result<&[u8], &str>{
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "bf456ab6e7dcd692aa02c5d08e26b0ef72a681f3859187f8498668e62378d410", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bf456ab6e7dcd692aa02c5d08e26b0ef72a681f3859187f8498668e62378d410" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling zstd-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]  --> src/compress.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn compress(bytes: &[u8]) -> Result<&[u8], &str>{
[INFO] [stdout]   |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]  --> src/lib.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn compress(bytes: &[u8]) -> Result<&[u8], &str> {
[INFO] [stdout]   |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]  --> src/lib.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn decompress(bytes: &[u8]) -> Result<&[u8], &str> {
[INFO] [stdout]   |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compress` is never used
[INFO] [stdout]  --> src/compress.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn compress(bytes: &[u8]) -> Result<&[u8], &str>{
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]  --> src/compress.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn compress(bytes: &[u8]) -> Result<&[u8], &str>{
[INFO] [stdout]   |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]  --> src/lib.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn compress(bytes: &[u8]) -> Result<&[u8], &str> {
[INFO] [stdout]   |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes`
[INFO] [stdout]  --> src/lib.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn decompress(bytes: &[u8]) -> Result<&[u8], &str> {
[INFO] [stdout]   |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `compressed_data`
[INFO] [stdout]   --> src/lib.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let compressed_data = compress("example_input".as_bytes());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compressed_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `decompressed_data`
[INFO] [stdout]   --> src/lib.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let decompressed_data = decompress("example_input".as_bytes());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decompressed_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compress` is never used
[INFO] [stdout]  --> src/compress.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn compress(bytes: &[u8]) -> Result<&[u8], &str>{
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "bf456ab6e7dcd692aa02c5d08e26b0ef72a681f3859187f8498668e62378d410", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bf456ab6e7dcd692aa02c5d08e26b0ef72a681f3859187f8498668e62378d410" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `bytes`
[INFO] [stderr]  --> src/compress.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn compress(bytes: &[u8]) -> Result<&[u8], &str>{
[INFO] [stderr]   |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bytes`
[INFO] [stderr]  --> src/lib.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub fn compress(bytes: &[u8]) -> Result<&[u8], &str> {
[INFO] [stderr]   |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bytes`
[INFO] [stderr]  --> src/lib.rs:7:19
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn decompress(bytes: &[u8]) -> Result<&[u8], &str> {
[INFO] [stderr]   |                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes`
[INFO] [stderr] 
[INFO] [stderr] warning: function `compress` is never used
[INFO] [stderr]  --> src/compress.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn compress(bytes: &[u8]) -> Result<&[u8], &str>{
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `zstd-rust` (lib) generated 4 warnings (run `cargo fix --lib -p zstd-rust` to apply 3 suggestions)
[INFO] [stderr] warning: unused variable: `compressed_data`
[INFO] [stderr]   --> src/lib.rs:17:13
[INFO] [stderr]    |
[INFO] [stderr] 17 |         let compressed_data = compress("example_input".as_bytes());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_compressed_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `decompressed_data`
[INFO] [stderr]   --> src/lib.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let decompressed_data = decompress("example_input".as_bytes());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_decompressed_data`
[INFO] [stderr] 
[INFO] [stderr] warning: `zstd-rust` (lib test) generated 6 warnings (4 duplicates) (run `cargo fix --lib -p zstd-rust --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/build/zstd-rust/d89ce5b2cae0a1a9/out/zstd_rust-d89ce5b2cae0a1a9)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_compress ... ok
[INFO] [stderr]    Doc-tests zstd_rust
[INFO] [stdout] test tests::test_decompress ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bf456ab6e7dcd692aa02c5d08e26b0ef72a681f3859187f8498668e62378d410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf456ab6e7dcd692aa02c5d08e26b0ef72a681f3859187f8498668e62378d410", kill_on_drop: false }`
[INFO] [stdout] bf456ab6e7dcd692aa02c5d08e26b0ef72a681f3859187f8498668e62378d410