[INFO] fetching crate riscv-decode 0.2.0...
[INFO] checking riscv-decode-0.2.0 against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] extracting crate riscv-decode 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate riscv-decode 0.2.0 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 riscv-decode 0.2.0
[INFO] finished tweaking crates.io crate riscv-decode 0.2.0
[INFO] tweaked toml for crates.io crate riscv-decode 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c71afc5da82879c2b9d9cd81f9576168ad11b69673e1d27ceeb566176f8fd10e
[INFO] running `Command { std: "docker" "start" "-a" "c71afc5da82879c2b9d9cd81f9576168ad11b69673e1d27ceeb566176f8fd10e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c71afc5da82879c2b9d9cd81f9576168ad11b69673e1d27ceeb566176f8fd10e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c71afc5da82879c2b9d9cd81f9576168ad11b69673e1d27ceeb566176f8fd10e", kill_on_drop: false }`
[INFO] [stdout] c71afc5da82879c2b9d9cd81f9576168ad11b69673e1d27ceeb566176f8fd10e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] de6d457c1d0142d1c12ff8a57d3936d1eef9a115c6bfc74c5db6b127b7156eb5
[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" "de6d457c1d0142d1c12ff8a57d3936d1eef9a115c6bfc74c5db6b127b7156eb5", kill_on_drop: false }`
[INFO] [stderr]     Checking riscv-decode v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/types.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         (self.0 >> 20)
[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]   --> src/types.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         (self.0 >> 20)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/types.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         (self.0 >> 20)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/types.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         (self.0 >> 20)
[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]   --> src/types.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         (self.0 >> 20)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/types.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         (self.0 >> 20)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "de6d457c1d0142d1c12ff8a57d3936d1eef9a115c6bfc74c5db6b127b7156eb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de6d457c1d0142d1c12ff8a57d3936d1eef9a115c6bfc74c5db6b127b7156eb5", kill_on_drop: false }`
[INFO] [stdout] de6d457c1d0142d1c12ff8a57d3936d1eef9a115c6bfc74c5db6b127b7156eb5