[INFO] fetching crate ckb-vm 0.19.3...
[INFO] checking ckb-vm-0.19.3 against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] extracting crate ckb-vm 0.19.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ckb-vm 0.19.3 on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ckb-vm 0.19.3
[INFO] finished tweaking crates.io crate ckb-vm 0.19.3
[INFO] tweaked toml for crates.io crate ckb-vm 0.19.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate ckb-vm 0.19.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_more v0.99.9
[INFO] [stderr]   Downloaded tinytemplate v1.1.0
[INFO] [stderr]   Downloaded serde_derive v1.0.115
[INFO] [stderr]   Downloaded wait-timeout v0.2.0
[INFO] [stderr]   Downloaded rayon-core v1.7.1
[INFO] [stderr]   Downloaded half v1.6.0
[INFO] [stderr]   Downloaded rayon v1.3.1
[INFO] [stderr]   Downloaded syn v1.0.38
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.67
[INFO] [stderr]   Downloaded scroll_derive v0.10.2
[INFO] [stderr]   Downloaded cc v1.0.58
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.67
[INFO] [stderr]   Downloaded proc-macro2 v1.0.19
[INFO] [stderr]   Downloaded either v1.6.0
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.67
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.67
[INFO] [stderr]   Downloaded js-sys v0.3.44
[INFO] [stderr]   Downloaded libc v0.2.74
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]   Downloaded web-sys v0.3.44
[INFO] [stderr]   Downloaded plotters v0.2.15
[INFO] [stderr]   Downloaded scroll v0.10.1
[INFO] [stderr]   Downloaded memoffset v0.5.5
[INFO] [stderr]   Downloaded proptest v0.9.6
[INFO] [stderr]   Downloaded bit-vec v0.6.2
[INFO] [stderr]   Downloaded serde v1.0.115
[INFO] [stderr]   Downloaded criterion v0.3.3
[INFO] [stderr]   Downloaded rusty-fork v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae20e66c475787c341d2d02768aee1046c58474b3d38f127cb7f4ac0075c1854
[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" "ae20e66c475787c341d2d02768aee1046c58474b3d38f127cb7f4ac0075c1854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae20e66c475787c341d2d02768aee1046c58474b3d38f127cb7f4ac0075c1854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae20e66c475787c341d2d02768aee1046c58474b3d38f127cb7f4ac0075c1854", kill_on_drop: false }`
[INFO] [stdout] ae20e66c475787c341d2d02768aee1046c58474b3d38f127cb7f4ac0075c1854
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b11d42a6f09d7d5380545dc2e58be681b49aa362660b83dd8750f85f3265c803
[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" "b11d42a6f09d7d5380545dc2e58be681b49aa362660b83dd8750f85f3265c803", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]     Checking ckb-vm-definitions v0.19.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking mapr v0.8.0
[INFO] [stderr]    Compiling ckb-vm v0.19.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]    Compiling scroll_derive v0.10.2
[INFO] [stderr]    Compiling derive_more v0.99.9
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking 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] [stderr]     Checking criterion v0.3.3
[INFO] [stdout] warning: field is never read: `length`
[INFO] [stdout]   --> src/machine/trace.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     length: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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: field is never read: `length`
[INFO] [stdout]   --> src/machine/trace.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     length: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `Command { std: "docker" "inspect" "b11d42a6f09d7d5380545dc2e58be681b49aa362660b83dd8750f85f3265c803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b11d42a6f09d7d5380545dc2e58be681b49aa362660b83dd8750f85f3265c803", kill_on_drop: false }`
[INFO] [stdout] b11d42a6f09d7d5380545dc2e58be681b49aa362660b83dd8750f85f3265c803