[INFO] fetching crate ckb-vm 0.19.2...
[INFO] testing ckb-vm-0.19.2 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate ckb-vm 0.19.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ckb-vm 0.19.2 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckb-vm 0.19.2
[INFO] finished tweaking crates.io crate ckb-vm 0.19.2
[INFO] tweaked toml for crates.io crate ckb-vm 0.19.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate ckb-vm 0.19.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ckb-vm-definitions v0.19.2
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] ca676e654269f2ca0d43b2ad7f0cebc2223b32c95bb718269950e719a207fce9
[INFO] running `Command { std: "docker" "start" "-a" "ca676e654269f2ca0d43b2ad7f0cebc2223b32c95bb718269950e719a207fce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca676e654269f2ca0d43b2ad7f0cebc2223b32c95bb718269950e719a207fce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca676e654269f2ca0d43b2ad7f0cebc2223b32c95bb718269950e719a207fce9", kill_on_drop: false }`
[INFO] [stdout] ca676e654269f2ca0d43b2ad7f0cebc2223b32c95bb718269950e719a207fce9
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb45651846c57fc48637deed8c828e8a5a0d3b5a7fb2f32329ddfdb56dcbb44f
[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" "cb45651846c57fc48637deed8c828e8a5a0d3b5a7fb2f32329ddfdb56dcbb44f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling ckb-vm-definitions v0.19.2
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling ckb-vm v0.19.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling scroll_derive v0.10.2
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]    Compiling scroll v0.10.1
[INFO] [stderr]    Compiling goblin v0.2.3
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/instructions/rvc.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     (x(instruction_bits, 2, 5, 0) | x(instruction_bits, 12, 1, 5))
[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 assigned value
[INFO] [stdout]   --> src/machine/trace.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 | const TRACE_MASK: usize = (TRACE_SIZE - 1);
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/instructions/register.rs:188:38
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 ((-1i32) as u32) << (Self::BITS - 1)
[INFO] [stdout]     |                                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `register::Register::BITS(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/instructions/register.rs:393:38
[INFO] [stdout]     |
[INFO] [stdout] 393 |                 ((-1i64) as u64) << (Self::BITS - 1)
[INFO] [stdout]     |                                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `register::Register::BITS(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.63s
[INFO] running `Command { std: "docker" "inspect" "cb45651846c57fc48637deed8c828e8a5a0d3b5a7fb2f32329ddfdb56dcbb44f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb45651846c57fc48637deed8c828e8a5a0d3b5a7fb2f32329ddfdb56dcbb44f", kill_on_drop: false }`
[INFO] [stdout] cb45651846c57fc48637deed8c828e8a5a0d3b5a7fb2f32329ddfdb56dcbb44f
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 24295289ba2e3ae8d8999f99693dac7632c7366eeb7aa5ff0fc8557c5da791d8
[INFO] running `Command { std: "docker" "start" "-a" "24295289ba2e3ae8d8999f99693dac7632c7366eeb7aa5ff0fc8557c5da791d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/instructions/rvc.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     (x(instruction_bits, 2, 5, 0) | x(instruction_bits, 12, 1, 5))
[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 assigned value
[INFO] [stdout]   --> src/machine/trace.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 | const TRACE_MASK: usize = (TRACE_SIZE - 1);
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/instructions/register.rs:188:38
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 ((-1i32) as u32) << (Self::BITS - 1)
[INFO] [stdout]     |                                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `register::Register::BITS(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/instructions/register.rs:393:38
[INFO] [stdout]     |
[INFO] [stdout] 393 |                 ((-1i64) as u64) << (Self::BITS - 1)
[INFO] [stdout]     |                                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `register::Register::BITS(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling proptest v0.9.6
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling ckb-vm v0.19.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/instructions/rvc.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 |     (x(instruction_bits, 2, 5, 0) | x(instruction_bits, 12, 1, 5))
[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 assigned value
[INFO] [stdout]   --> src/machine/trace.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 | const TRACE_MASK: usize = (TRACE_SIZE - 1);
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/instructions/register.rs:188:38
[INFO] [stdout]     |
[INFO] [stdout] 188 |                 ((-1i32) as u32) << (Self::BITS - 1)
[INFO] [stdout]     |                                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `register::Register::BITS(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/instructions/register.rs:393:38
[INFO] [stdout]     |
[INFO] [stdout] 393 |                 ((-1i64) as u64) << (Self::BITS - 1)
[INFO] [stdout]     |                                      ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `register::Register::BITS(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "24295289ba2e3ae8d8999f99693dac7632c7366eeb7aa5ff0fc8557c5da791d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24295289ba2e3ae8d8999f99693dac7632c7366eeb7aa5ff0fc8557c5da791d8", kill_on_drop: false }`
[INFO] [stdout] 24295289ba2e3ae8d8999f99693dac7632c7366eeb7aa5ff0fc8557c5da791d8
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 991a717be3aa5acd3a6d57390a7d30fb7a7c4f56ab59cffb4842d1534f37ed4b
[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" "991a717be3aa5acd3a6d57390a7d30fb7a7c4f56ab59cffb4842d1534f37ed4b", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/instructions/rvc.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     (x(instruction_bits, 2, 5, 0) | x(instruction_bits, 12, 1, 5))
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/machine/trace.rs:17:27
[INFO] [stderr]    |
[INFO] [stderr] 17 | const TRACE_MASK: usize = (TRACE_SIZE - 1);
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/instructions/register.rs:188:38
[INFO] [stderr]     |
[INFO] [stderr] 188 |                 ((-1i32) as u32) << (Self::BITS - 1)
[INFO] [stderr]     |                                      ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `register::Register::BITS(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/instructions/register.rs:393:38
[INFO] [stderr]     |
[INFO] [stderr] 393 |                 ((-1i64) as u64) << (Self::BITS - 1)
[INFO] [stderr]     |                                      ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `register::Register::BITS(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/instructions/rvc.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     (x(instruction_bits, 2, 5, 0) | x(instruction_bits, 12, 1, 5))
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> src/machine/trace.rs:17:27
[INFO] [stderr]    |
[INFO] [stderr] 17 | const TRACE_MASK: usize = (TRACE_SIZE - 1);
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/instructions/register.rs:188:38
[INFO] [stderr]     |
[INFO] [stderr] 188 |                 ((-1i32) as u32) << (Self::BITS - 1)
[INFO] [stderr]     |                                      ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `register::Register::BITS(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: a method with this name may be added to the standard library in the future
[INFO] [stderr]    --> src/instructions/register.rs:393:38
[INFO] [stderr]     |
[INFO] [stderr] 393 |                 ((-1i64) as u64) << (Self::BITS - 1)
[INFO] [stderr]     |                                      ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stderr]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stderr]     = help: call with fully qualified syntax `register::Register::BITS(...)` to keep using the current method
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ckb_vm-580731e6e268af5e
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test bits::tests::test_rounddown ... ok
[INFO] [stdout] test machine::trace::tests::test_trace_constant_rules ... ok
[INFO] [stdout] test bits::tests::test_roundup ... ok
[INFO] [stdout] test tests::test_max_memory_must_be_multiple_of_pages ... ok
[INFO] [stdout] test tests::test_page_size_be_power_of_2 ... ok
[INFO] [stdout] test bits::tests::rounddown_proptest ... ok
[INFO] [stdout] test instructions::tests::test_instruction_op_should_fit_in_byte ... ok
[INFO] [stdout] test bits::tests::roundup_proptest ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_aot-7c0e089778c237e3
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_asm-cc84eeb7b221cf2b
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_minimal-d8805b502cdbb838
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_minimal_with_a ... ok
[INFO] [stdout] test test_minimal_with_b ... ok
[INFO] [stdout] test test_minimal_with_no_args ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_misc-7d7d12209f186a4e
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test test_ebreak ... ok
[INFO] [stdout] test test_flat_crash_64 ... ok
[INFO] [stdout] test test_nop ... ok
[INFO] [stdout] test test_jump0 ... ok
[INFO] [stdout] test test_custom_syscall ... ok
[INFO] [stdout] test test_invalid_file_offset64 ... ok
[INFO] [stdout] test test_andi ... ok
[INFO] [stdout] test test_op_rvc_srli_crash_32 ... ok
[INFO] [stdout] test test_misaligned_jump64 ... ok
[INFO] [stdout] test test_load_elf_crash_64 ... ok
[INFO] [stdout] test test_op_rvc_srai_crash_32 ... ok
[INFO] [stdout] test test_trace ... ok
[INFO] [stdout] test test_mulw64 ... ok
[INFO] [stdout] test test_wxorx_crash_64 ... ok
[INFO] [stdout] test test_op_rvc_slli_crash_32 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_simple-fbdb65d2f7e98a26
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test_simple_cycles ... ok
[INFO] [stdout] test test_simple_loaded_bytes ... ok
[INFO] [stdout] test test_simple_invalid_bits ... ok
[INFO] [stdout] test test_simple_instructions_64 ... ok
[INFO] [stdout] test test_simple_instructions ... ok
[INFO] [stdout] test test_simple_max_cycles_reached ... ok
[INFO] [stdout] test test_simple_instructions_flatmemory ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ckb-vm
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/instructions/rvc.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     (x(instruction_bits, 2, 5, 0) | x(instruction_bits, 12, 1, 5))
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around assigned value
[INFO] [stderr]   --> /opt/rustwide/workdir/src/machine/trace.rs:17:27
[INFO] [stderr]    |
[INFO] [stderr] 17 | const TRACE_MASK: usize = (TRACE_SIZE - 1);
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings 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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "991a717be3aa5acd3a6d57390a7d30fb7a7c4f56ab59cffb4842d1534f37ed4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "991a717be3aa5acd3a6d57390a7d30fb7a7c4f56ab59cffb4842d1534f37ed4b", kill_on_drop: false }`
[INFO] [stdout] 991a717be3aa5acd3a6d57390a7d30fb7a7c4f56ab59cffb4842d1534f37ed4b
