[INFO] fetching crate wired 0.5.1...
[INFO] testing wired-0.5.1 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[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 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 615e8d18f06c0fb20ab431a3780074cca06b6db1a7fd770053821c539ee5df20
[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" "615e8d18f06c0fb20ab431a3780074cca06b6db1a7fd770053821c539ee5df20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "615e8d18f06c0fb20ab431a3780074cca06b6db1a7fd770053821c539ee5df20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "615e8d18f06c0fb20ab431a3780074cca06b6db1a7fd770053821c539ee5df20", kill_on_drop: false }`
[INFO] [stdout] 615e8d18f06c0fb20ab431a3780074cca06b6db1a7fd770053821c539ee5df20
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0af9de2fccf734ef8783ce64d0a0e3a6dbf17b40a4c7f86255e00a35ba32fea
[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" "f0af9de2fccf734ef8783ce64d0a0e3a6dbf17b40a4c7f86255e00a35ba32fea", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling page_size v0.4.2
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand v0.7.3
[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 39.54s
[INFO] running `Command { std: "docker" "inspect" "f0af9de2fccf734ef8783ce64d0a0e3a6dbf17b40a4c7f86255e00a35ba32fea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0af9de2fccf734ef8783ce64d0a0e3a6dbf17b40a4c7f86255e00a35ba32fea", kill_on_drop: false }`
[INFO] [stdout] f0af9de2fccf734ef8783ce64d0a0e3a6dbf17b40a4c7f86255e00a35ba32fea
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] c63e296adb57f4d4fb35513ffef83c4306cbc994df074b7b5aff72f1cd91161a
[INFO] running `Command { std: "docker" "start" "-a" "c63e296adb57f4d4fb35513ffef83c4306cbc994df074b7b5aff72f1cd91161a", 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 4.27s
[INFO] running `Command { std: "docker" "inspect" "c63e296adb57f4d4fb35513ffef83c4306cbc994df074b7b5aff72f1cd91161a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c63e296adb57f4d4fb35513ffef83c4306cbc994df074b7b5aff72f1cd91161a", kill_on_drop: false }`
[INFO] [stdout] c63e296adb57f4d4fb35513ffef83c4306cbc994df074b7b5aff72f1cd91161a
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", 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] 108879618e52e3492d61a13bac98aee3fb3edc182cce1913866ff444853db5ec
[INFO] running `Command { std: "docker" "start" "-a" "108879618e52e3492d61a13bac98aee3fb3edc182cce1913866ff444853db5ec", 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 0.11s
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wired-ad6114549676fb4f
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test block_storage::backend::tests::create ... ok
[INFO] [stdout] test block_storage::backend::tests::update ... ok
[INFO] [stdout] test database::stack::tests::works ... ok
[INFO] [stdout] test database::stack::tests::iteration ... ok
[INFO] [stdout] test database::queue::tests::iteration ... ok
[INFO] [stdout] test database::queue::tests::works ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/key_value_test-ce91881fa1ca2643
[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-856bfe18662c2b45
[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-5319452596c657ee
[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]    Doc-tests wired
[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 11 tests
[INFO] [stdout] test src/database/stack.rs - database::stack::Stack<T>::push (line 147) ... ok
[INFO] [stdout] test src/database/queue.rs - database::queue::Queue<T>::new (line 79) ... 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<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/stack.rs - database::stack::Stack (line 33) ... ok
[INFO] [stdout] test src/database/queue.rs - database::queue::Queue<T>::enqueue (line 146) ... ok
[INFO] [stdout] test src/database/key_value.rs - database::key_value::KeyValue (line 30) ... ok
[INFO] [stdout] test src/database/stack.rs - database::stack::Stack<T>::new (line 90) ... ok
[INFO] [stdout] test src/database/queue.rs - database::queue::Queue<T>::new (line 89) ... ok
[INFO] [stdout] test src/database/queue.rs - database::queue::Queue (line 32) ... 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" "108879618e52e3492d61a13bac98aee3fb3edc182cce1913866ff444853db5ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "108879618e52e3492d61a13bac98aee3fb3edc182cce1913866ff444853db5ec", kill_on_drop: false }`
[INFO] [stdout] 108879618e52e3492d61a13bac98aee3fb3edc182cce1913866ff444853db5ec