[INFO] fetching crate circular-queue 0.2.6...
[INFO] testing circular-queue-0.2.6 against 1.55.0 for beta-1.56-1
[INFO] extracting crate circular-queue 0.2.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate circular-queue 0.2.6 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate circular-queue 0.2.6
[INFO] finished tweaking crates.io crate circular-queue 0.2.6
[INFO] tweaked toml for crates.io crate circular-queue 0.2.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0b05167aca777d04ddc3dbac2a6fb10f20c2b79a23b6cfd0825dbdc49c0329dd
[INFO] running `Command { std: "docker" "start" "-a" "0b05167aca777d04ddc3dbac2a6fb10f20c2b79a23b6cfd0825dbdc49c0329dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b05167aca777d04ddc3dbac2a6fb10f20c2b79a23b6cfd0825dbdc49c0329dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b05167aca777d04ddc3dbac2a6fb10f20c2b79a23b6cfd0825dbdc49c0329dd", kill_on_drop: false }`
[INFO] [stdout] 0b05167aca777d04ddc3dbac2a6fb10f20c2b79a23b6cfd0825dbdc49c0329dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 91dd397cf4b2fb277b76610e133118447840d40a033c61d5e6a62cc22b145e41
[INFO] running `Command { std: "docker" "start" "-a" "91dd397cf4b2fb277b76610e133118447840d40a033c61d5e6a62cc22b145e41", kill_on_drop: false }`
[INFO] [stderr]    Compiling circular-queue v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "91dd397cf4b2fb277b76610e133118447840d40a033c61d5e6a62cc22b145e41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91dd397cf4b2fb277b76610e133118447840d40a033c61d5e6a62cc22b145e41", kill_on_drop: false }`
[INFO] [stdout] 91dd397cf4b2fb277b76610e133118447840d40a033c61d5e6a62cc22b145e41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9863518c8b91f71f9d295ce75939e3c910844b4c592b56b606ac1d41f7870f46
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9863518c8b91f71f9d295ce75939e3c910844b4c592b56b606ac1d41f7870f46", kill_on_drop: false }`
[INFO] [stderr]    Compiling circular-queue v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "9863518c8b91f71f9d295ce75939e3c910844b4c592b56b606ac1d41f7870f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9863518c8b91f71f9d295ce75939e3c910844b4c592b56b606ac1d41f7870f46", kill_on_drop: false }`
[INFO] [stdout] 9863518c8b91f71f9d295ce75939e3c910844b4c592b56b606ac1d41f7870f46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dba0099622d2a07e0e544ab3ae1032ecea1f7194af92189af71a914032da221a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dba0099622d2a07e0e544ab3ae1032ecea1f7194af92189af71a914032da221a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/circular_queue-ab220cdf2f92755c)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test tests::clear ... ok
[INFO] [stdout] test tests::clear_eq ... ok
[INFO] [stdout] test tests::empty_queue ... ok
[INFO] [stdout] test tests::empty_queue_eq ... ok
[INFO] [stdout] test tests::full_queue ... ok
[INFO] [stdout] test tests::full_queue_eq ... ok
[INFO] [stdout] test tests::mutable_iterator ... ok
[INFO] [stdout] test tests::over_full_queue ... ok
[INFO] [stdout] test tests::over_full_queue_eq ... ok
[INFO] [stdout] test tests::partially_full_queue ... ok
[INFO] [stdout] test tests::partially_full_queue_eq ... ok
[INFO] [stdout] test tests::zero_capacity ... ok
[INFO] [stdout] test tests::zero_sized ... ok
[INFO] [stdout] test tests::zero_sized_eq ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests circular-queue
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - CircularQueue<T>::asc_iter (line 306) ... ok
[INFO] [stdout] test src/lib.rs - CircularQueue<T>::capacity (line 168) ... ok
[INFO] [stdout] test src/lib.rs - CircularQueue<T>::len (line 107) ... ok
[INFO] [stdout] test src/lib.rs - CircularQueue<T>::asc_iter_mut (line 333) ... ok
[INFO] [stdout] test src/lib.rs - CircularQueue<T>::with_capacity (line 89) ... ok
[INFO] [stdout] test src/lib.rs - CircularQueue<T>::clear (line 183) ... ok
[INFO] [stdout] test src/lib.rs - CircularQueue<T>::is_full (line 144) ... ok
[INFO] [stdout] test src/lib.rs - (line 16) ... ok
[INFO] [stdout] test src/lib.rs - CircularQueue<T>::push (line 208) ... ok
[INFO] [stdout] test src/lib.rs - CircularQueue<T>::is_empty (line 126) ... ok
[INFO] [stdout] test src/lib.rs - CircularQueue<T>::iter_mut (line 279) ... ok
[INFO] [stdout] test src/lib.rs - CircularQueue<T>::iter (line 252) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.61s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dba0099622d2a07e0e544ab3ae1032ecea1f7194af92189af71a914032da221a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dba0099622d2a07e0e544ab3ae1032ecea1f7194af92189af71a914032da221a", kill_on_drop: false }`
[INFO] [stdout] dba0099622d2a07e0e544ab3ae1032ecea1f7194af92189af71a914032da221a