[INFO] fetching crate qrcode53bytes 1.0.0...
[INFO] checking qrcode53bytes-1.0.0 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate qrcode53bytes 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate qrcode53bytes 1.0.0 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2/source/Cargo.toml
[INFO] crate crates.io crate qrcode53bytes 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] caad9c6968976b554d544e376c4e40b4b0f378d3929128d8ecc3f1f3848ae5a9
[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" "caad9c6968976b554d544e376c4e40b4b0f378d3929128d8ecc3f1f3848ae5a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "caad9c6968976b554d544e376c4e40b4b0f378d3929128d8ecc3f1f3848ae5a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caad9c6968976b554d544e376c4e40b4b0f378d3929128d8ecc3f1f3848ae5a9", kill_on_drop: false }`
[INFO] [stdout] caad9c6968976b554d544e376c4e40b4b0f378d3929128d8ecc3f1f3848ae5a9
[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" "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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6d0a847bdf06c07b3051b53134c6010d70a34767a23a951a9ffa2809d7fa9f6
[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" "f6d0a847bdf06c07b3051b53134c6010d70a34767a23a951a9ffa2809d7fa9f6", kill_on_drop: false }`
[INFO] [stderr]     Checking bitvec v0.10.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking qrcode53bytes v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/version.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         (((self.index()) * 4) + 21)
[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/version.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         (self.0 - 1)
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/version.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |         (((self.index()) * 4) + 21)
[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/version.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         (self.0 - 1)
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.76s
[INFO] running `Command { std: "docker" "inspect" "f6d0a847bdf06c07b3051b53134c6010d70a34767a23a951a9ffa2809d7fa9f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d0a847bdf06c07b3051b53134c6010d70a34767a23a951a9ffa2809d7fa9f6", kill_on_drop: false }`
[INFO] [stdout] f6d0a847bdf06c07b3051b53134c6010d70a34767a23a951a9ffa2809d7fa9f6