[INFO] crate indexed-ring-buffer 0.1.3 is already in cache
[INFO] checking indexed-ring-buffer-0.1.3 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate indexed-ring-buffer 0.1.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate indexed-ring-buffer 0.1.3 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate indexed-ring-buffer 0.1.3
[INFO] finished tweaking crates.io crate indexed-ring-buffer 0.1.3
[INFO] tweaked toml for crates.io crate indexed-ring-buffer 0.1.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 41ef13fdc82a1d7d4cd3bd4e4f3cbc6307eaa617e065ab4ed404bf1bbaa83a25
[INFO] running `"docker" "start" "-a" "41ef13fdc82a1d7d4cd3bd4e4f3cbc6307eaa617e065ab4ed404bf1bbaa83a25"`
[INFO] [stderr]     Checking indexed-ring-buffer v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused imports: `Consumer`, `Producer`
[INFO] [stderr]  --> tests/threads.rs:2:48
[INFO] [stderr]   |
[INFO] [stderr] 2 | use indexed_ring_buffer::{indexed_ring_buffer, Consumer, Producer, Reader};
[INFO] [stderr]   |                                                ^^^^^^^^  ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fm`
[INFO] [stderr]   --> tests/threads.rs:22:26
[INFO] [stderr]    |
[INFO] [stderr] 22 |             if let Some((fm, to, v)) = r.get_from(last_id.wrapping_add(1), READ_SIZE) {
[INFO] [stderr]    |                          ^^ help: if this is intentional, prefix it with an underscore: `_fm`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `arc_data`
[INFO] [stderr]   --> tests/threads.rs:41:9
[INFO] [stderr]    |
[INFO] [stderr] 41 |     let arc_data = Arc::new(in_data.clone());
[INFO] [stderr]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arc_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Consumer`, `Producer`, `Reader`
[INFO] [stderr]  --> tests/test.rs:3:48
[INFO] [stderr]   |
[INFO] [stderr] 3 | use indexed_ring_buffer::{indexed_ring_buffer, Consumer, Producer, Reader};
[INFO] [stderr]   |                                                ^^^^^^^^  ^^^^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `read`
[INFO] [stderr]  --> tests/test.rs:7:30
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let (mut prod, mut cons, read) = indexed_ring_buffer::<usize>(0, 1);
[INFO] [stderr]   |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_read`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cons`
[INFO] [stderr]   --> tests/test.rs:94:24
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let (mut prod, mut cons, read) = indexed_ring_buffer::<usize>(n, 10);
[INFO] [stderr]    |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_cons`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/test.rs:19:10
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let (mut prod, mut cons, read) = indexed_ring_buffer::<usize>(0, 10);
[INFO] [stderr]    |          ----^^^^
[INFO] [stderr]    |          |
[INFO] [stderr]    |          help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/test.rs:19:20
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let (mut prod, mut cons, read) = indexed_ring_buffer::<usize>(0, 10);
[INFO] [stderr]    |                    ----^^^^
[INFO] [stderr]    |                    |
[INFO] [stderr]    |                    help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/test.rs:94:20
[INFO] [stderr]    |
[INFO] [stderr] 94 |     let (mut prod, mut cons, read) = indexed_ring_buffer::<usize>(n, 10);
[INFO] [stderr]    |                    ----^^^^
[INFO] [stderr]    |                    |
[INFO] [stderr]    |                    help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `"docker" "inspect" "41ef13fdc82a1d7d4cd3bd4e4f3cbc6307eaa617e065ab4ed404bf1bbaa83a25"`
[INFO] running `"docker" "rm" "-f" "41ef13fdc82a1d7d4cd3bd4e4f3cbc6307eaa617e065ab4ed404bf1bbaa83a25"`
[INFO] [stdout] 41ef13fdc82a1d7d4cd3bd4e4f3cbc6307eaa617e065ab4ed404bf1bbaa83a25
