[INFO] fetching crate multi_stack_queue 0.3.0...
[INFO] testing multi_stack_queue-0.3.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate multi_stack_queue 0.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate multi_stack_queue 0.3.0
[INFO] finished tweaking crates.io crate multi_stack_queue 0.3.0
[INFO] tweaked toml for crates.io crate multi_stack_queue 0.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate multi_stack_queue 0.3.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f96ef9aa0b8676f44f024caf2789a3365bd32e585c95b996e72124b585f4ba37
[INFO] running `Command { std: "docker" "start" "-a" "f96ef9aa0b8676f44f024caf2789a3365bd32e585c95b996e72124b585f4ba37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f96ef9aa0b8676f44f024caf2789a3365bd32e585c95b996e72124b585f4ba37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f96ef9aa0b8676f44f024caf2789a3365bd32e585c95b996e72124b585f4ba37", kill_on_drop: false }`
[INFO] [stdout] f96ef9aa0b8676f44f024caf2789a3365bd32e585c95b996e72124b585f4ba37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56970d76d97c0260d1368994b0f3c340c81e3125a77cf2444b81cdf77b0e8816
[INFO] running `Command { std: "docker" "start" "-a" "56970d76d97c0260d1368994b0f3c340c81e3125a77cf2444b81cdf77b0e8816", kill_on_drop: false }`
[INFO] [stderr]    Compiling multi_stack_queue v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "56970d76d97c0260d1368994b0f3c340c81e3125a77cf2444b81cdf77b0e8816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56970d76d97c0260d1368994b0f3c340c81e3125a77cf2444b81cdf77b0e8816", kill_on_drop: false }`
[INFO] [stdout] 56970d76d97c0260d1368994b0f3c340c81e3125a77cf2444b81cdf77b0e8816
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac1f92afa2a24b66bff6b5c3b0088d2faa0547dce66b3ee3cd91ffae3171b6c8
[INFO] running `Command { std: "docker" "start" "-a" "ac1f92afa2a24b66bff6b5c3b0088d2faa0547dce66b3ee3cd91ffae3171b6c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling multi_stack_queue v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/lib.rs:242:13
[INFO] [stdout]     |
[INFO] [stdout] 242 |         let a: MultiStackQueue<TestStruct, 16, 32> = MultiStackQueue::new();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "ac1f92afa2a24b66bff6b5c3b0088d2faa0547dce66b3ee3cd91ffae3171b6c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac1f92afa2a24b66bff6b5c3b0088d2faa0547dce66b3ee3cd91ffae3171b6c8", kill_on_drop: false }`
[INFO] [stdout] ac1f92afa2a24b66bff6b5c3b0088d2faa0547dce66b3ee3cd91ffae3171b6c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dbd5cb5edf0163dc3bb08b7aa3e16458fc115157fce5a7f05dfbc6e55c535cea
[INFO] running `Command { std: "docker" "start" "-a" "dbd5cb5edf0163dc3bb08b7aa3e16458fc115157fce5a7f05dfbc6e55c535cea", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/lib.rs:242:13
[INFO] [stderr]     |
[INFO] [stderr] 242 |         let a: MultiStackQueue<TestStruct, 16, 32> = MultiStackQueue::new();
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `multi_stack_queue` (lib test) generated 1 warning (run `cargo fix --lib -p multi_stack_queue --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/multi_stack_queue-93ddfcec481e5093)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::creation ... ok
[INFO] [stdout] test tests::fill ... ok
[INFO] [stdout] test tests::fifo ... ok
[INFO] [stdout] test tests::push_and_pop_once ... ok
[INFO] [stdout] test tests::push_once ... ok
[INFO] [stdout] test tests::pop_empty - should panic ... ok
[INFO] [stdout] test tests::fill_overflow - should panic ... ok
[INFO] [stdout] test tests::push_and_pop_twice - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests multi_stack_queue
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - MultiStackQueue (line 39) ... ignored
[INFO] [stdout] test src/lib.rs - MultiStackQueue<T,N,M>::push (line 117) ... ok
[INFO] [stdout] test src/lib.rs - MultiStackQueue<T,N,M>::new (line 88) ... ok
[INFO] [stdout] test src/lib.rs - MultiStackQueue (line 57) ... ok
[INFO] [stdout] test src/lib.rs - MultiStackQueue<T,N,M>::is_full (line 195) ... ok
[INFO] [stdout] test src/lib.rs - MultiStackQueue<T,N,M>::is_empty (line 213) ... ok
[INFO] [stdout] test src/lib.rs - MultiStackQueue<T,N,M>::pop (line 155) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dbd5cb5edf0163dc3bb08b7aa3e16458fc115157fce5a7f05dfbc6e55c535cea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbd5cb5edf0163dc3bb08b7aa3e16458fc115157fce5a7f05dfbc6e55c535cea", kill_on_drop: false }`
[INFO] [stdout] dbd5cb5edf0163dc3bb08b7aa3e16458fc115157fce5a7f05dfbc6e55c535cea