[INFO] fetching crate queue 0.3.2-final...
[INFO] testing queue-0.3.2-final against 1.49.0 for beta-1.50-1
[INFO] extracting crate queue 0.3.2-final into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate queue 0.3.2-final on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate queue 0.3.2-final
[INFO] finished tweaking crates.io crate queue 0.3.2-final
[INFO] tweaked toml for crates.io crate queue 0.3.2-final written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 4c168c07565b2eb414ef12fc326218177f356c073bfc666cf7a15672299ebf0c
[INFO] running `Command { std: "docker" "start" "-a" "4c168c07565b2eb414ef12fc326218177f356c073bfc666cf7a15672299ebf0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c168c07565b2eb414ef12fc326218177f356c073bfc666cf7a15672299ebf0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c168c07565b2eb414ef12fc326218177f356c073bfc666cf7a15672299ebf0c", kill_on_drop: false }`
[INFO] [stdout] 4c168c07565b2eb414ef12fc326218177f356c073bfc666cf7a15672299ebf0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 722b21e4efa8317728a94ab84e56fa29034bb6d1906df378927d27c3c0fbe53a
[INFO] running `Command { std: "docker" "start" "-a" "722b21e4efa8317728a94ab84e56fa29034bb6d1906df378927d27c3c0fbe53a", kill_on_drop: false }`
[INFO] [stderr]    Compiling queue v0.3.2-final (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "722b21e4efa8317728a94ab84e56fa29034bb6d1906df378927d27c3c0fbe53a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "722b21e4efa8317728a94ab84e56fa29034bb6d1906df378927d27c3c0fbe53a", kill_on_drop: false }`
[INFO] [stdout] 722b21e4efa8317728a94ab84e56fa29034bb6d1906df378927d27c3c0fbe53a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0188e2df65d2606dfc33151d11d6b13ed0fe9c8489bdc5799d6ddf88297b27c2
[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" "0188e2df65d2606dfc33151d11d6b13ed0fe9c8489bdc5799d6ddf88297b27c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling queue v0.3.2-final (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "0188e2df65d2606dfc33151d11d6b13ed0fe9c8489bdc5799d6ddf88297b27c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0188e2df65d2606dfc33151d11d6b13ed0fe9c8489bdc5799d6ddf88297b27c2", kill_on_drop: false }`
[INFO] [stdout] 0188e2df65d2606dfc33151d11d6b13ed0fe9c8489bdc5799d6ddf88297b27c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2c897ce532156a82fe039085cfcc9dd908d078fa3083c792081628ac56763158
[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" "2c897ce532156a82fe039085cfcc9dd908d078fa3083c792081628ac56763158", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/queue-575539c2addfb3e9
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::dequeue ... ok
[INFO] [stdout] test tests::force_queue_with_capacity ... ok
[INFO] [stdout] test tests::dequeue_empty ... ok
[INFO] [stdout] test tests::is_empty_empty ... ok
[INFO] [stdout] test tests::force_queue_no_capacity ... ok
[INFO] [stdout] test tests::is_empty_some ... ok
[INFO] [stdout] test tests::no_capacity ... ok
[INFO] [stdout] test tests::peek_at_something ... ok
[INFO] [stdout] test tests::queue ... ok
[INFO] [stdout] test tests::no_len ... ok
[INFO] [stdout] test tests::queue_full_capacity ... ok
[INFO] [stdout] test tests::vec_empty ... ok
[INFO] [stdout] test tests::some_len ... ok
[INFO] [stdout] test tests::vec_some ... ok
[INFO] [stdout] test tests::from_vec ... ok
[INFO] [stdout] test tests::some_capacity ... ok
[INFO] [stdout] test tests::from_empty_vec ... ok
[INFO] [stdout] test tests::force_queue_with_capacity_check_size ... ok
[INFO] [stdout] test tests::peek_at_empty ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests queue
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/lib.rs - Queue<T>::new (line 87) ... ok
[INFO] [stdout] test src/lib.rs - Queue<T>::from (line 70) ... ok
[INFO] [stdout] test src/lib.rs - Queue<T>::with_capacity (line 102) ... ok
[INFO] [stdout] test src/lib.rs - Queue<T>::capacity (line 251) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/lib.rs - Queue<T>::dequeue (line 166) ... ok
[INFO] [stdout] test src/lib.rs - Queue<T>::is_empty (line 234) ... ok
[INFO] [stdout] test src/lib.rs - Queue<T>::set_capacity (line 270) ... ok
[INFO] [stdout] test src/lib.rs - Queue<T>::queue (line 118) ... ok
[INFO] [stdout] test src/lib.rs - Queue<T>::len (line 219) ... ok
[INFO] [stdout] test src/lib.rs - Queue<T>::vec (line 185) ... ok
[INFO] [stdout] test src/lib.rs - Queue<T>::force_queue (line 144) ... ok
[INFO] [stdout] test src/lib.rs - Queue<T>::peek (line 201) ... ok
[INFO] [stdout] test src/lib.rs - Queue (line 46) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2c897ce532156a82fe039085cfcc9dd908d078fa3083c792081628ac56763158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c897ce532156a82fe039085cfcc9dd908d078fa3083c792081628ac56763158", kill_on_drop: false }`
[INFO] [stdout] 2c897ce532156a82fe039085cfcc9dd908d078fa3083c792081628ac56763158