[INFO] fetching crate weyl 0.1.3...
[INFO] testing weyl-0.1.3 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate weyl 0.1.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate weyl 0.1.3 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate weyl 0.1.3
[INFO] finished tweaking crates.io crate weyl 0.1.3
[INFO] tweaked toml for crates.io crate weyl 0.1.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] eaeeb200a53860c54e314ab34a6343492b20773cc95a5f2f6ce95cd232f253ce
[INFO] running `Command { std: "docker" "start" "-a" "eaeeb200a53860c54e314ab34a6343492b20773cc95a5f2f6ce95cd232f253ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eaeeb200a53860c54e314ab34a6343492b20773cc95a5f2f6ce95cd232f253ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaeeb200a53860c54e314ab34a6343492b20773cc95a5f2f6ce95cd232f253ce", kill_on_drop: false }`
[INFO] [stdout] eaeeb200a53860c54e314ab34a6343492b20773cc95a5f2f6ce95cd232f253ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 3a9404fc052ba5661cc06d9721bb8f8365788b0b70626d9370cb2db83c897bbd
[INFO] running `Command { std: "docker" "start" "-a" "3a9404fc052ba5661cc06d9721bb8f8365788b0b70626d9370cb2db83c897bbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling weyl v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/lib.rs:74:35
[INFO] [stdout]    |
[INFO] [stdout] 74 |     static ref RAND: Mutex<Rng> = { Mutex::new(Rng::new()) };
[INFO] [stdout]    |                                   ^^                      ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 74 -     static ref RAND: Mutex<Rng> = { Mutex::new(Rng::new()) };
[INFO] [stdout] 74 +     static ref RAND: Mutex<Rng> = Mutex::new(Rng::new());
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "3a9404fc052ba5661cc06d9721bb8f8365788b0b70626d9370cb2db83c897bbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a9404fc052ba5661cc06d9721bb8f8365788b0b70626d9370cb2db83c897bbd", kill_on_drop: false }`
[INFO] [stdout] 3a9404fc052ba5661cc06d9721bb8f8365788b0b70626d9370cb2db83c897bbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] eda6996d0f13ea022ca91b2e066f8cc608201f5b79502bcba911912b042648d2
[INFO] running `Command { std: "docker" "start" "-a" "eda6996d0f13ea022ca91b2e066f8cc608201f5b79502bcba911912b042648d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling weyl v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/lib.rs:74:35
[INFO] [stdout]    |
[INFO] [stdout] 74 |     static ref RAND: Mutex<Rng> = { Mutex::new(Rng::new()) };
[INFO] [stdout]    |                                   ^^                      ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 74 -     static ref RAND: Mutex<Rng> = { Mutex::new(Rng::new()) };
[INFO] [stdout] 74 +     static ref RAND: Mutex<Rng> = Mutex::new(Rng::new());
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]   --> src/lib.rs:74:35
[INFO] [stdout]    |
[INFO] [stdout] 74 |     static ref RAND: Mutex<Rng> = { Mutex::new(Rng::new()) };
[INFO] [stdout]    |                                   ^^                      ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout] 74 -     static ref RAND: Mutex<Rng> = { Mutex::new(Rng::new()) };
[INFO] [stdout] 74 +     static ref RAND: Mutex<Rng> = Mutex::new(Rng::new());
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/weyl-73e59bbc321381d6)
[INFO] running `Command { std: "docker" "inspect" "eda6996d0f13ea022ca91b2e066f8cc608201f5b79502bcba911912b042648d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eda6996d0f13ea022ca91b2e066f8cc608201f5b79502bcba911912b042648d2", kill_on_drop: false }`
[INFO] [stdout] eda6996d0f13ea022ca91b2e066f8cc608201f5b79502bcba911912b042648d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 0c9de4e68dfef6aa6a43eef957969d9ec782d3a0dba70106267bb295f853f6d0
[INFO] running `Command { std: "docker" "start" "-a" "0c9de4e68dfef6aa6a43eef957969d9ec782d3a0dba70106267bb295f853f6d0", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stdout] running 1 test
[INFO] [stderr]   --> src/lib.rs:74:35
[INFO] [stderr]    |
[INFO] [stderr] 74 |     static ref RAND: Mutex<Rng> = { Mutex::new(Rng::new()) };
[INFO] [stderr]    |                                   ^^                      ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 74 -     static ref RAND: Mutex<Rng> = { Mutex::new(Rng::new()) };
[INFO] [stderr] 74 +     static ref RAND: Mutex<Rng> = Mutex::new(Rng::new());
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `weyl` (lib) generated 1 warning
[INFO] [stderr] warning: `weyl` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/weyl-73e59bbc321381d6)
[INFO] [stdout] test test::various ... ok
[INFO] [stderr]    Doc-tests weyl
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:74:35
[INFO] [stderr]    |
[INFO] [stderr] 74 |     static ref RAND: Mutex<Rng> = { Mutex::new(Rng::new()) };
[INFO] [stderr]    |                                   ^^                      ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stderr] help: remove these braces
[INFO] [stderr]    |
[INFO] [stderr] 74 -     static ref RAND: Mutex<Rng> = { Mutex::new(Rng::new()) };
[INFO] [stderr] 74 +     static ref RAND: Mutex<Rng> = Mutex::new(Rng::new());
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "0c9de4e68dfef6aa6a43eef957969d9ec782d3a0dba70106267bb295f853f6d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c9de4e68dfef6aa6a43eef957969d9ec782d3a0dba70106267bb295f853f6d0", kill_on_drop: false }`
[INFO] [stdout] 0c9de4e68dfef6aa6a43eef957969d9ec782d3a0dba70106267bb295f853f6d0