[INFO] crate qrcode53bytes 1.0.0 is already in cache
[INFO] checking qrcode53bytes-1.0.0 against try#8a749131e7beb72f6edacefd2bdcbed3d67b2112 for pr-72331
[INFO] extracting crate qrcode53bytes 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate qrcode53bytes 1.0.0 on toolchain 8a749131e7beb72f6edacefd2bdcbed3d67b2112
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate qrcode53bytes 1.0.0
[INFO] finished tweaking crates.io crate qrcode53bytes 1.0.0
[INFO] tweaked toml for crates.io crate qrcode53bytes 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate qrcode53bytes 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5a085bda5329f7234197c2c2313c6a6ef97255146a6c137c74e4e09c418d00d7
[INFO] running `"docker" "start" "-a" "5a085bda5329f7234197c2c2313c6a6ef97255146a6c137c74e4e09c418d00d7"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking bitvec v0.10.2
[INFO] [stderr]     Checking qrcode53bytes v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/version.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         (((self.index()) * 4) + 21)
[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 block return value
[INFO] [stderr]   --> src/version.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |         (self.0 - 1)
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/version.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |         (((self.index()) * 4) + 21)
[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 block return value
[INFO] [stderr]   --> src/version.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |         (self.0 - 1)
[INFO] [stderr]    |         ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.96s
[INFO] running `"docker" "inspect" "5a085bda5329f7234197c2c2313c6a6ef97255146a6c137c74e4e09c418d00d7"`
[INFO] running `"docker" "rm" "-f" "5a085bda5329f7234197c2c2313c6a6ef97255146a6c137c74e4e09c418d00d7"`
[INFO] [stdout] 5a085bda5329f7234197c2c2313c6a6ef97255146a6c137c74e4e09c418d00d7