[INFO] fetching crate weyl 0.1.3...
[INFO] testing weyl-0.1.3 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate weyl 0.1.3 into /workspace/builds/worker-3-tc2/source
[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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate weyl 0.1.3 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d04f050ad8f1ca9a264f3556f83155ed201907f1276084d1fbe871a43ba7843a
[INFO] running `Command { std: "docker" "start" "-a" "d04f050ad8f1ca9a264f3556f83155ed201907f1276084d1fbe871a43ba7843a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d04f050ad8f1ca9a264f3556f83155ed201907f1276084d1fbe871a43ba7843a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d04f050ad8f1ca9a264f3556f83155ed201907f1276084d1fbe871a43ba7843a", kill_on_drop: false }`
[INFO] [stdout] d04f050ad8f1ca9a264f3556f83155ed201907f1276084d1fbe871a43ba7843a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcd21b4a2cf91883d557c0b74bab05f69a2307f29a922e0031c29e7b55fc6700
[INFO] running `Command { std: "docker" "start" "-a" "fcd21b4a2cf91883d557c0b74bab05f69a2307f29a922e0031c29e7b55fc6700", 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "fcd21b4a2cf91883d557c0b74bab05f69a2307f29a922e0031c29e7b55fc6700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcd21b4a2cf91883d557c0b74bab05f69a2307f29a922e0031c29e7b55fc6700", kill_on_drop: false }`
[INFO] [stdout] fcd21b4a2cf91883d557c0b74bab05f69a2307f29a922e0031c29e7b55fc6700
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dde4aa3ae56860da66b0955a9b04c35fb21e81faddd03c7f208773d7ca35510
[INFO] running `Command { std: "docker" "start" "-a" "1dde4aa3ae56860da66b0955a9b04c35fb21e81faddd03c7f208773d7ca35510", 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: 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "1dde4aa3ae56860da66b0955a9b04c35fb21e81faddd03c7f208773d7ca35510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dde4aa3ae56860da66b0955a9b04c35fb21e81faddd03c7f208773d7ca35510", kill_on_drop: false }`
[INFO] [stdout] 1dde4aa3ae56860da66b0955a9b04c35fb21e81faddd03c7f208773d7ca35510
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0418a3c136ce90ea5564b7d2ed2baa66e6cc69285a7095dd112ec1945f960113
[INFO] running `Command { std: "docker" "start" "-a" "0418a3c136ce90ea5564b7d2ed2baa66e6cc69285a7095dd112ec1945f960113", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary braces around block return value
[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 (run `cargo fix --lib -p weyl` to apply 1 suggestion)
[INFO] [stderr] warning: `weyl` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/weyl-7d85ffc69cc489bf)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::various ... ok
[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]    Doc-tests weyl
[INFO] [stderr] warning: unnecessary braces around block return value
[INFO] [stdout] 
[INFO] [stderr]   --> src/lib.rs:74:35
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 74 |     static ref RAND: Mutex<Rng> = { Mutex::new(Rng::new()) };
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |                                   ^^                      ^^
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "0418a3c136ce90ea5564b7d2ed2baa66e6cc69285a7095dd112ec1945f960113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0418a3c136ce90ea5564b7d2ed2baa66e6cc69285a7095dd112ec1945f960113", kill_on_drop: false }`
[INFO] [stdout] 0418a3c136ce90ea5564b7d2ed2baa66e6cc69285a7095dd112ec1945f960113