[INFO] fetching crate labrador-ldpc 1.0.0...
[INFO] checking labrador-ldpc-1.0.0 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] extracting crate labrador-ldpc 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate labrador-ldpc 1.0.0 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate labrador-ldpc 1.0.0
[INFO] finished tweaking crates.io crate labrador-ldpc 1.0.0
[INFO] tweaked toml for crates.io crate labrador-ldpc 1.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4c9e394c17045b13ff50f7a56f014ca6cd365c95451ec6ec908f8c9776277f63
[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" "4c9e394c17045b13ff50f7a56f014ca6cd365c95451ec6ec908f8c9776277f63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c9e394c17045b13ff50f7a56f014ca6cd365c95451ec6ec908f8c9776277f63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9e394c17045b13ff50f7a56f014ca6cd365c95451ec6ec908f8c9776277f63", kill_on_drop: false }`
[INFO] [stdout] 4c9e394c17045b13ff50f7a56f014ca6cd365c95451ec6ec908f8c9776277f63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca1748bb25c1b12d087752fb0a042039dbf02d20a97afb3f61fc03063dba7124
[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" "ca1748bb25c1b12d087752fb0a042039dbf02d20a97afb3f61fc03063dba7124", kill_on_drop: false }`
[INFO] [stderr]     Checking labrador-ldpc v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/codes/compact_parity_checks.rs:17:20
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const HZ: u8 = (0 << 6);
[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/codes/compact_parity_checks.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub const HI: u8 = (1 << 6);
[INFO] [stdout]    |                    ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/codes/compact_parity_checks.rs:110:20
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub const HP: u8 = (2 << 6);
[INFO] [stdout]     |                    ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/decoder.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         (2 * self.paritycheck_sum() as usize + 3*self.n() + 3*self.punctured_bits() - 2*self.k())
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/codes/compact_parity_checks.rs:17:20
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const HZ: u8 = (0 << 6);
[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/codes/compact_parity_checks.rs:18:20
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub const HI: u8 = (1 << 6);
[INFO] [stdout]    |                    ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/codes/compact_parity_checks.rs:110:20
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub const HP: u8 = (2 << 6);
[INFO] [stdout]     |                    ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/decoder.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         (2 * self.paritycheck_sum() as usize + 3*self.n() + 3*self.punctured_bits() - 2*self.k())
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "ca1748bb25c1b12d087752fb0a042039dbf02d20a97afb3f61fc03063dba7124", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca1748bb25c1b12d087752fb0a042039dbf02d20a97afb3f61fc03063dba7124", kill_on_drop: false }`
[INFO] [stdout] ca1748bb25c1b12d087752fb0a042039dbf02d20a97afb3f61fc03063dba7124