[INFO] fetching crate qrcode53bytes 1.0.0...
[INFO] checking qrcode53bytes-1.0.0 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate qrcode53bytes 1.0.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate qrcode53bytes 1.0.0 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "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-11/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitvec v0.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0ca4da5e455020f6d3259ed78e7a16e7ac6138f19b678d58fb0da21300642bdc
[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" "0ca4da5e455020f6d3259ed78e7a16e7ac6138f19b678d58fb0da21300642bdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ca4da5e455020f6d3259ed78e7a16e7ac6138f19b678d58fb0da21300642bdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ca4da5e455020f6d3259ed78e7a16e7ac6138f19b678d58fb0da21300642bdc", kill_on_drop: false }`
[INFO] [stdout] 0ca4da5e455020f6d3259ed78e7a16e7ac6138f19b678d58fb0da21300642bdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] f55dead9813fcbed755424e6ae423685ceb6824a5f1e3abb7902908d076cd834
[INFO] running `Command { std: "docker" "start" "-a" "f55dead9813fcbed755424e6ae423685ceb6824a5f1e3abb7902908d076cd834", kill_on_drop: false }`
[INFO] [stderr]     Checking bitvec v0.10.2
[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 3.16s
[INFO] running `Command { std: "docker" "inspect" "f55dead9813fcbed755424e6ae423685ceb6824a5f1e3abb7902908d076cd834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f55dead9813fcbed755424e6ae423685ceb6824a5f1e3abb7902908d076cd834", kill_on_drop: false }`
[INFO] [stdout] f55dead9813fcbed755424e6ae423685ceb6824a5f1e3abb7902908d076cd834
