[INFO] fetching crate wired 0.5.1...
[INFO] testing wired-0.5.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate wired 0.5.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wired 0.5.1 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 wired 0.5.1
[INFO] finished tweaking crates.io crate wired 0.5.1
[INFO] tweaked toml for crates.io crate wired 0.5.1 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 908ea6fd39d7c5d41ba97fa8213d0d7260943c0422f1d39d462e934ecea78e2b
[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" "908ea6fd39d7c5d41ba97fa8213d0d7260943c0422f1d39d462e934ecea78e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "908ea6fd39d7c5d41ba97fa8213d0d7260943c0422f1d39d462e934ecea78e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "908ea6fd39d7c5d41ba97fa8213d0d7260943c0422f1d39d462e934ecea78e2b", kill_on_drop: false }`
[INFO] [stdout] 908ea6fd39d7c5d41ba97fa8213d0d7260943c0422f1d39d462e934ecea78e2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 192ca5f340bfedce80dcad771cf6008e42026759a136a5651e8965df01891b2b
[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" "192ca5f340bfedce80dcad771cf6008e42026759a136a5651e8965df01891b2b", kill_on_drop: false }`
[INFO] [stderr]    Compiling page_size v0.4.2
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling wired v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.96s
[INFO] running `Command { std: "docker" "inspect" "192ca5f340bfedce80dcad771cf6008e42026759a136a5651e8965df01891b2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "192ca5f340bfedce80dcad771cf6008e42026759a136a5651e8965df01891b2b", kill_on_drop: false }`
[INFO] [stdout] 192ca5f340bfedce80dcad771cf6008e42026759a136a5651e8965df01891b2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 74743ff81a6462a1f73b20eafac6454a8f28b1c79ca68c73205433671daa7990
[INFO] running `Command { std: "docker" "start" "-a" "74743ff81a6462a1f73b20eafac6454a8f28b1c79ca68c73205433671daa7990", kill_on_drop: false }`
[INFO] [stderr]    Compiling wired v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> tests/key_value_test.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut db = KeyValue::<String, Message>::new(file).unwrap();
[INFO] [stdout]    |         ----^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.90s
[INFO] running `Command { std: "docker" "inspect" "74743ff81a6462a1f73b20eafac6454a8f28b1c79ca68c73205433671daa7990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74743ff81a6462a1f73b20eafac6454a8f28b1c79ca68c73205433671daa7990", kill_on_drop: false }`
[INFO] [stdout] 74743ff81a6462a1f73b20eafac6454a8f28b1c79ca68c73205433671daa7990
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] c8e5c5c34203598dafbb066ade1c3763829ce6573d5e487293707d230e2905a7
[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" "c8e5c5c34203598dafbb066ade1c3763829ce6573d5e487293707d230e2905a7", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> tests/key_value_test.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let mut db = KeyValue::<String, Message>::new(file).unwrap();
[INFO] [stderr]    |         ----^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wired-e17faa17f6ba7732
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test block_storage::backend::tests::update ... ok
[INFO] [stdout] test block_storage::backend::tests::create ... ok
[INFO] [stdout] test database::stack::tests::works ... ok
[INFO] [stdout] test database::queue::tests::works ... ok
[INFO] [stdout] test database::queue::tests::iteration ... ok
[INFO] [stdout] test database::stack::tests::iteration ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/key_value_test-fe19213d74ddbeb6
[INFO] [stdout] test database::key_value::tests::works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/queue_test-0a2045660fb38dfd
[INFO] [stdout] test works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stack_test-5c21d0ea7cd84883
[INFO] [stdout] test works ... ok
[INFO] [stderr]    Doc-tests wired
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/database/queue.rs - database::queue::Queue<T>::new (line 79) ... ok
[INFO] [stdout] test src/database/stack.rs - database::stack::Stack<T>::push (line 147) ... ok
[INFO] [stdout] test src/database/stack.rs - database::stack::Stack<T>::new (line 80) ... ok
[INFO] [stdout] test src/database/stack.rs - database::stack::Stack<T>::pop (line 178) ... ok
[INFO] [stdout] test src/database/queue.rs - database::queue::Queue<T>::enqueue (line 146) ... ok
[INFO] [stdout] test src/database/queue.rs - database::queue::Queue (line 32) ... ok
[INFO] [stdout] test src/database/queue.rs - database::queue::Queue<T>::dequeue (line 190) ... ok
[INFO] [stdout] test src/database/stack.rs - database::stack::Stack (line 33) ... ok
[INFO] [stdout] test src/database/key_value.rs - database::key_value::KeyValue (line 30) ... ok
[INFO] [stdout] test src/database/queue.rs - database::queue::Queue<T>::new (line 89) ... ok
[INFO] [stdout] test src/database/stack.rs - database::stack::Stack<T>::new (line 90) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c8e5c5c34203598dafbb066ade1c3763829ce6573d5e487293707d230e2905a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8e5c5c34203598dafbb066ade1c3763829ce6573d5e487293707d230e2905a7", kill_on_drop: false }`
[INFO] [stdout] c8e5c5c34203598dafbb066ade1c3763829ce6573d5e487293707d230e2905a7