[INFO] fetching crate spmc_ring 0.1.0...
[INFO] testing spmc_ring-0.1.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate spmc_ring 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate spmc_ring 0.1.0
[INFO] finished tweaking crates.io crate spmc_ring 0.1.0
[INFO] tweaked toml for crates.io crate spmc_ring 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate spmc_ring 0.1.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding generic-array v0.14.9 (available: v1.4.1)
[INFO] [stderr]       Adding nb v0.1.3 (available: v1.1.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66748bf19f0435422528a7f40b71fde0d263bfe893bf8fb085c511af75a29d69
[INFO] running `Command { std: "docker" "start" "-a" "66748bf19f0435422528a7f40b71fde0d263bfe893bf8fb085c511af75a29d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66748bf19f0435422528a7f40b71fde0d263bfe893bf8fb085c511af75a29d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66748bf19f0435422528a7f40b71fde0d263bfe893bf8fb085c511af75a29d69", kill_on_drop: false }`
[INFO] [stdout] 66748bf19f0435422528a7f40b71fde0d263bfe893bf8fb085c511af75a29d69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d21df152e56d348746e6c94cd02b353f049e14715074cd9603994de65a7e29f3
[INFO] running `Command { std: "docker" "start" "-a" "d21df152e56d348746e6c94cd02b353f049e14715074cd9603994de65a7e29f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling spmc_ring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]  --> src/lib.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | use generic_array::{ArrayLength, GenericArray};
[INFO] [stdout]   |                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]  --> src/lib.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | use generic_array::{ArrayLength, GenericArray};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/lib.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct SpmsRing<T, N: ArrayLength<T>> {
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/lib.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 |     buf: GenericArray<T, N>,
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/lib.rs:55:23
[INFO] [stdout]    |
[INFO] [stdout] 55 |     N: generic_array::ArrayLength<T>,
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/lib.rs:65:23
[INFO] [stdout]    |
[INFO] [stdout] 65 |     N: generic_array::ArrayLength<T>,
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/lib.rs:71:18
[INFO] [stdout]    |
[INFO] [stdout] 71 |             buf: GenericArray::default(),
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "d21df152e56d348746e6c94cd02b353f049e14715074cd9603994de65a7e29f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d21df152e56d348746e6c94cd02b353f049e14715074cd9603994de65a7e29f3", kill_on_drop: false }`
[INFO] [stdout] d21df152e56d348746e6c94cd02b353f049e14715074cd9603994de65a7e29f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f71d3a355206067693a6436f00edd330cc92b96520c1f92efa2bdf81c7ca43c
[INFO] running `Command { std: "docker" "start" "-a" "6f71d3a355206067693a6436f00edd330cc92b96520c1f92efa2bdf81c7ca43c", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]  --> src/lib.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | use generic_array::{ArrayLength, GenericArray};
[INFO] [stdout]   |                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]  --> src/lib.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | use generic_array::{ArrayLength, GenericArray};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/lib.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct SpmsRing<T, N: ArrayLength<T>> {
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/lib.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 |     buf: GenericArray<T, N>,
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/lib.rs:55:23
[INFO] [stdout]    |
[INFO] [stdout] 55 |     N: generic_array::ArrayLength<T>,
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/lib.rs:65:23
[INFO] [stdout]    |
[INFO] [stdout] 65 |     N: generic_array::ArrayLength<T>,
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/lib.rs:71:18
[INFO] [stdout]    |
[INFO] [stdout] 71 |             buf: GenericArray::default(),
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling spmc_ring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]  --> src/lib.rs:7:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | use generic_array::{ArrayLength, GenericArray};
[INFO] [stdout]   |                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]  --> src/lib.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | use generic_array::{ArrayLength, GenericArray};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/lib.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct SpmsRing<T, N: ArrayLength<T>> {
[INFO] [stdout]    |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/lib.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 |     buf: GenericArray<T, N>,
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/lib.rs:55:23
[INFO] [stdout]    |
[INFO] [stdout] 55 |     N: generic_array::ArrayLength<T>,
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/lib.rs:65:23
[INFO] [stdout]    |
[INFO] [stdout] 65 |     N: generic_array::ArrayLength<T>,
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stdout]   --> src/lib.rs:71:18
[INFO] [stdout]    |
[INFO] [stdout] 71 |             buf: GenericArray::default(),
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `y` is never read
[INFO] [stdout]    --> src/lib.rs:222:9
[INFO] [stdout]     |
[INFO] [stdout] 220 |     struct Simple {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 221 |         x: u32,
[INFO] [stdout] 222 |         y: u32,
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Simple` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[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 0.67s
[INFO] running `Command { std: "docker" "inspect" "6f71d3a355206067693a6436f00edd330cc92b96520c1f92efa2bdf81c7ca43c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f71d3a355206067693a6436f00edd330cc92b96520c1f92efa2bdf81c7ca43c", kill_on_drop: false }`
[INFO] [stdout] 6f71d3a355206067693a6436f00edd330cc92b96520c1f92efa2bdf81c7ca43c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 40176c800d8c1a46fcaedbc9a260e6cb78ab9b93c7a83dd1115aefff6b94ebb9
[INFO] running `Command { std: "docker" "start" "-a" "40176c800d8c1a46fcaedbc9a260e6cb78ab9b93c7a83dd1115aefff6b94ebb9", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stderr]  --> src/lib.rs:7:21
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] running 5 tests
[INFO] [stderr] 7 | use generic_array::{ArrayLength, GenericArray};
[INFO] [stdout] test tests::alternating_write_read ... ok
[INFO] [stderr]   |                     ^^^^^^^^^^^
[INFO] [stdout] test tests::buffer_overflow_write_read ... ok
[INFO] [stderr]   |
[INFO] [stdout] test tests::generation_overflow_write_read ... ok
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] test tests::sequential_write_read ... ok
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stderr]  --> src/lib.rs:7:34
[INFO] [stderr]   |
[INFO] [stderr] 7 | use generic_array::{ArrayLength, GenericArray};
[INFO] [stderr]   |                                  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stderr]   --> src/lib.rs:17:27
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub struct SpmsRing<T, N: ArrayLength<T>> {
[INFO] [stderr]    |                           ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stderr]   --> src/lib.rs:19:10
[INFO] [stderr]    |
[INFO] [stderr] 19 |     buf: GenericArray<T, N>,
[INFO] [stderr]    |          ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stderr]   --> src/lib.rs:55:23
[INFO] [stderr]    |
[INFO] [stderr] 55 |     N: generic_array::ArrayLength<T>,
[INFO] [stderr]    |                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated trait `generic_array::ArrayLength`: please upgrade to generic-array 1.x
[INFO] [stderr]   --> src/lib.rs:65:23
[INFO] [stderr]    |
[INFO] [stderr] 65 |     N: generic_array::ArrayLength<T>,
[INFO] [stderr]    |                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated struct `generic_array::GenericArray`: please upgrade to generic-array 1.x
[INFO] [stderr]   --> src/lib.rs:71:18
[INFO] [stderr]    |
[INFO] [stderr] 71 |             buf: GenericArray::default(),
[INFO] [stderr]    |                  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `y` is never read
[INFO] [stderr]    --> src/lib.rs:222:9
[INFO] [stderr]     |
[INFO] [stderr] 220 |     struct Simple {
[INFO] [stderr]     |            ------ field in this struct
[INFO] [stderr] 221 |         x: u32,
[INFO] [stderr] 222 |         y: u32,
[INFO] [stderr]     |         ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Simple` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `spmc_ring` (lib) generated 7 warnings
[INFO] [stderr] warning: `spmc_ring` (lib test) generated 8 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/spmc_ring-ce4c7026f196155c)
[INFO] [stdout] test tests::multithreaded_writer_readers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.10s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests spmc_ring
[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" "40176c800d8c1a46fcaedbc9a260e6cb78ab9b93c7a83dd1115aefff6b94ebb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40176c800d8c1a46fcaedbc9a260e6cb78ab9b93c7a83dd1115aefff6b94ebb9", kill_on_drop: false }`
[INFO] [stdout] 40176c800d8c1a46fcaedbc9a260e6cb78ab9b93c7a83dd1115aefff6b94ebb9
