[INFO] fetching crate multi_stack_queue 0.3.0...
[INFO] testing multi_stack_queue-0.3.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate multi_stack_queue 0.3.0 into /workspace/builds/worker-4-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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate multi_stack_queue 0.3.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ecea42d7e96c0afcf5ea09818f556cfdb0215ce5ec761de1072184675fa0d0d
[INFO] running `Command { std: "docker" "start" "-a" "3ecea42d7e96c0afcf5ea09818f556cfdb0215ce5ec761de1072184675fa0d0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ecea42d7e96c0afcf5ea09818f556cfdb0215ce5ec761de1072184675fa0d0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ecea42d7e96c0afcf5ea09818f556cfdb0215ce5ec761de1072184675fa0d0d", kill_on_drop: false }`
[INFO] [stdout] 3ecea42d7e96c0afcf5ea09818f556cfdb0215ce5ec761de1072184675fa0d0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b358e1977d37aff296c15854f0dbb74ac12a44c278f4db5c87a98df52b4e3ac
[INFO] running `Command { std: "docker" "start" "-a" "7b358e1977d37aff296c15854f0dbb74ac12a44c278f4db5c87a98df52b4e3ac", 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 0.15s
[INFO] running `Command { std: "docker" "inspect" "7b358e1977d37aff296c15854f0dbb74ac12a44c278f4db5c87a98df52b4e3ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b358e1977d37aff296c15854f0dbb74ac12a44c278f4db5c87a98df52b4e3ac", kill_on_drop: false }`
[INFO] [stdout] 7b358e1977d37aff296c15854f0dbb74ac12a44c278f4db5c87a98df52b4e3ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4b67f52f89929db94bbcd16d9bfdc70f34adede37fe19b7b9958b73f6019fd6
[INFO] running `Command { std: "docker" "start" "-a" "c4b67f52f89929db94bbcd16d9bfdc70f34adede37fe19b7b9958b73f6019fd6", 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "c4b67f52f89929db94bbcd16d9bfdc70f34adede37fe19b7b9958b73f6019fd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4b67f52f89929db94bbcd16d9bfdc70f34adede37fe19b7b9958b73f6019fd6", kill_on_drop: false }`
[INFO] [stdout] c4b67f52f89929db94bbcd16d9bfdc70f34adede37fe19b7b9958b73f6019fd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4659431aa5954b6d41c99273c49a5d2e6e51eacdb7f6422d6ac2138a44ce5001
[INFO] running `Command { std: "docker" "start" "-a" "4659431aa5954b6d41c99273c49a5d2e6e51eacdb7f6422d6ac2138a44ce5001", 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)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `multi_stack_queue` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/multi_stack_queue-a2872165130e9f23)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::push_and_pop_once ... ok
[INFO] [stdout] test tests::creation ... ok
[INFO] [stdout] test tests::fill ... ok
[INFO] [stdout] test tests::fifo ... ok
[INFO] [stdout] test tests::push_once ... ok
[INFO] [stderr]    Doc-tests multi_stack_queue
[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 0.03s
[INFO] [stdout] 
[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>::is_full (line 195) ... ok
[INFO] [stdout] test src/lib.rs - MultiStackQueue<T,N,M>::pop (line 155) ... ok
[INFO] [stdout] test src/lib.rs - MultiStackQueue<T,N,M>::new (line 88) ... ok
[INFO] [stdout] test src/lib.rs - MultiStackQueue<T,N,M>::push (line 117) ... ok
[INFO] [stdout] test src/lib.rs - MultiStackQueue<T,N,M>::is_empty (line 213) ... ok
[INFO] [stdout] test src/lib.rs - MultiStackQueue (line 57) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.71s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4659431aa5954b6d41c99273c49a5d2e6e51eacdb7f6422d6ac2138a44ce5001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4659431aa5954b6d41c99273c49a5d2e6e51eacdb7f6422d6ac2138a44ce5001", kill_on_drop: false }`
[INFO] [stdout] 4659431aa5954b6d41c99273c49a5d2e6e51eacdb7f6422d6ac2138a44ce5001