[INFO] fetching crate fimxi 0.1.0...
[INFO] testing fimxi-0.1.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate fimxi 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate fimxi 0.1.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fimxi 0.1.0
[INFO] finished tweaking crates.io crate fimxi 0.1.0
[INFO] tweaked toml for crates.io crate fimxi 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8114d93e4de06d4a72ce7b996a07abda82f1b894a9197f55d17f60cb06169885
[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" "8114d93e4de06d4a72ce7b996a07abda82f1b894a9197f55d17f60cb06169885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8114d93e4de06d4a72ce7b996a07abda82f1b894a9197f55d17f60cb06169885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8114d93e4de06d4a72ce7b996a07abda82f1b894a9197f55d17f60cb06169885", kill_on_drop: false }`
[INFO] [stdout] 8114d93e4de06d4a72ce7b996a07abda82f1b894a9197f55d17f60cb06169885
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a5b67861def81433648607adc6e6abe81d3890c1ca2be70eb1854078aa37efa
[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" "2a5b67861def81433648607adc6e6abe81d3890c1ca2be70eb1854078aa37efa", kill_on_drop: false }`
[INFO] [stderr]    Compiling fimxi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/thread.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     id: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `thread`
[INFO] [stdout]   --> src/thread.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     thread: thread::JoinHandle<Arc<Mutex<mpsc::Receiver<Actor>>>>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `threads`
[INFO] [stdout]  --> src/thread_pool.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     threads: Vec<Thread>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "2a5b67861def81433648607adc6e6abe81d3890c1ca2be70eb1854078aa37efa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a5b67861def81433648607adc6e6abe81d3890c1ca2be70eb1854078aa37efa", kill_on_drop: false }`
[INFO] [stdout] 2a5b67861def81433648607adc6e6abe81d3890c1ca2be70eb1854078aa37efa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 686fd99d278f0bc911d919a6b4f1eaec75961baba047e2e775a3c0f84f15f9e2
[INFO] running `Command { std: "docker" "start" "-a" "686fd99d278f0bc911d919a6b4f1eaec75961baba047e2e775a3c0f84f15f9e2", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/thread.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     id: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fimxi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `thread`
[INFO] [stdout]   --> src/thread.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     thread: thread::JoinHandle<Arc<Mutex<mpsc::Receiver<Actor>>>>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `threads`
[INFO] [stdout]  --> src/thread_pool.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     threads: Vec<Thread>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/thread.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     id: usize,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `thread`
[INFO] [stdout]   --> src/thread.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     thread: thread::JoinHandle<Arc<Mutex<mpsc::Receiver<Actor>>>>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `threads`
[INFO] [stdout]  --> src/thread_pool.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     threads: Vec<Thread>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "686fd99d278f0bc911d919a6b4f1eaec75961baba047e2e775a3c0f84f15f9e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "686fd99d278f0bc911d919a6b4f1eaec75961baba047e2e775a3c0f84f15f9e2", kill_on_drop: false }`
[INFO] [stdout] 686fd99d278f0bc911d919a6b4f1eaec75961baba047e2e775a3c0f84f15f9e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] be1e8dcc9f605147b0e9514b569da26b149bc6da725d36b316f3ab20192da6be
[INFO] running `Command { std: "docker" "start" "-a" "be1e8dcc9f605147b0e9514b569da26b149bc6da725d36b316f3ab20192da6be", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/thread.rs:10:5
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 10 |     id: usize,
[INFO] [stdout] 
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `thread`
[INFO] [stderr]   --> src/thread.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     thread: thread::JoinHandle<Arc<Mutex<mpsc::Receiver<Actor>>>>
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `threads`
[INFO] [stderr]  --> src/thread_pool.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     threads: Vec<Thread>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fimxi` (lib) generated 3 warnings
[INFO] [stderr] warning: `fimxi` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fimxi-1b8ede516332fa31)
[INFO] [stderr]    Doc-tests fimxi
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "be1e8dcc9f605147b0e9514b569da26b149bc6da725d36b316f3ab20192da6be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be1e8dcc9f605147b0e9514b569da26b149bc6da725d36b316f3ab20192da6be", kill_on_drop: false }`
[INFO] [stdout] be1e8dcc9f605147b0e9514b569da26b149bc6da725d36b316f3ab20192da6be