[INFO] fetching crate rgy 0.1.0...
[INFO] testing rgy-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rgy 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rgy 0.1.0 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 rgy 0.1.0
[INFO] finished tweaking crates.io crate rgy 0.1.0
[INFO] tweaked toml for crates.io crate rgy 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate rgy 0.1.0 already has a lockfile, it will not be regenerated
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] ba04ca55c45abe94b44d569d47fae805c6d9a50ee17e2c98428233fcc9972f4b
[INFO] running `Command { std: "docker" "start" "-a" "ba04ca55c45abe94b44d569d47fae805c6d9a50ee17e2c98428233fcc9972f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba04ca55c45abe94b44d569d47fae805c6d9a50ee17e2c98428233fcc9972f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba04ca55c45abe94b44d569d47fae805c6d9a50ee17e2c98428233fcc9972f4b", kill_on_drop: false }`
[INFO] [stdout] ba04ca55c45abe94b44d569d47fae805c6d9a50ee17e2c98428233fcc9972f4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] d620cca496db03898c315f9a874ab463cb35a9d97af9c8a8ece9079c1615df24
[INFO] running `Command { std: "docker" "start" "-a" "d620cca496db03898c315f9a874ab463cb35a9d97af9c8a8ece9079c1615df24", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling hashbrown v0.6.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling const-random-macro v0.1.6
[INFO] [stderr]    Compiling const-random v0.1.6
[INFO] [stderr]    Compiling ahash v0.2.18
[INFO] [stderr]    Compiling rgy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/mbc.rs:751:13
[INFO] [stdout]     |
[INFO] [stdout] 751 |             (addr < 0x100 || (addr >= 0x200 && addr < 0x900))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.58s
[INFO] running `Command { std: "docker" "inspect" "d620cca496db03898c315f9a874ab463cb35a9d97af9c8a8ece9079c1615df24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d620cca496db03898c315f9a874ab463cb35a9d97af9c8a8ece9079c1615df24", kill_on_drop: false }`
[INFO] [stdout] d620cca496db03898c315f9a874ab463cb35a9d97af9c8a8ece9079c1615df24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55b0a35d8e3200db48e42ad2c024218600a317e9b9268cab6f65e56cd0737e3a
[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" "55b0a35d8e3200db48e42ad2c024218600a317e9b9268cab6f65e56cd0737e3a", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling arc-swap v0.4.4
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling minifb v0.11.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/mbc.rs:751:13
[INFO] [stdout]     |
[INFO] [stdout] 751 |             (addr < 0x100 || (addr >= 0x200 && addr < 0x900))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling core_affinity v0.5.9
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling signal-hook v0.1.12
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]    Compiling cpal v0.8.2
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling rustyline v4.1.0
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling rgy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/mbc.rs:751:13
[INFO] [stdout]     |
[INFO] [stdout] 751 |             (addr < 0x100 || (addr >= 0x200 && addr < 0x900))
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> examples/pc/hardware.rs:286:33
[INFO] [stdout]     |
[INFO] [stdout] 286 | ...                   ((s.next(sample_rate) as u64 * 100 / s.max() as u64) as f32 / 100.0)
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "55b0a35d8e3200db48e42ad2c024218600a317e9b9268cab6f65e56cd0737e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b0a35d8e3200db48e42ad2c024218600a317e9b9268cab6f65e56cd0737e3a", kill_on_drop: false }`
[INFO] [stdout] 55b0a35d8e3200db48e42ad2c024218600a317e9b9268cab6f65e56cd0737e3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4c633cf8d897b19b66fb6a04c13da0c3165d3e7ce0d686eca473eecb4cdeb1a
[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" "b4c633cf8d897b19b66fb6a04c13da0c3165d3e7ce0d686eca473eecb4cdeb1a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stdout] running 6 tests
[INFO] [stderr]    --> src/mbc.rs:751:13
[INFO] [stderr]     |
[INFO] [stderr] 751 |             (addr < 0x100 || (addr >= 0x200 && addr < 0x900))
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/mbc.rs:751:13
[INFO] [stderr]     |
[INFO] [stderr] 751 |             (addr < 0x100 || (addr >= 0x200 && addr < 0x900))
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> examples/pc/hardware.rs:286:33
[INFO] [stderr]     |
[INFO] [stderr] 286 | ...                   ((s.next(sample_rate) as u64 * 100 / s.max() as u64) as f32 / 100.0)
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rgy-b618fa00a9c5f01f
[INFO] [stdout] test alu::test_sub8 ... ok
[INFO] [stdout] test alu::test_signed ... ok
[INFO] [stdout] test alu::test_add8 ... ok
[INFO] [stdout] test cpu::test::op_00af ... ok
[INFO] [stdout] test cpu::test::op_00f1 ... ok
[INFO] [stderr]    Doc-tests rgy
[INFO] [stdout] test alu::test_add16 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/mbc.rs:751:13
[INFO] [stderr]     |
[INFO] [stderr] 751 |             (addr < 0x100 || (addr >= 0x200 && addr < 0x900))
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] running 1 test
[INFO] [stderr] 
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b4c633cf8d897b19b66fb6a04c13da0c3165d3e7ce0d686eca473eecb4cdeb1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4c633cf8d897b19b66fb6a04c13da0c3165d3e7ce0d686eca473eecb4cdeb1a", kill_on_drop: false }`
[INFO] [stdout] b4c633cf8d897b19b66fb6a04c13da0c3165d3e7ce0d686eca473eecb4cdeb1a