[INFO] cloning repository https://github.com/jcrowgey/lud
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jcrowgey/lud" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcrowgey%2Flud", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcrowgey%2Flud'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1001ef42633d5f0dad9b1953110b7697579c7a8c
[INFO] checking jcrowgey/lud against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjcrowgey%2Flud" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jcrowgey/lud on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jcrowgey/lud
[INFO] finished tweaking git repo https://github.com/jcrowgey/lud
[INFO] tweaked toml for git repo https://github.com/jcrowgey/lud written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jcrowgey/lud already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fc0950ee0e54b33f8968cce4b149bef6124b62c9a86d47644e6c150a0c8e87d
[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" "2fc0950ee0e54b33f8968cce4b149bef6124b62c9a86d47644e6c150a0c8e87d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fc0950ee0e54b33f8968cce4b149bef6124b62c9a86d47644e6c150a0c8e87d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fc0950ee0e54b33f8968cce4b149bef6124b62c9a86d47644e6c150a0c8e87d", kill_on_drop: false }`
[INFO] [stdout] 2fc0950ee0e54b33f8968cce4b149bef6124b62c9a86d47644e6c150a0c8e87d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 707f32c6575ad69293397dcab8f5c7c89edea65e89500e2940e2593fe3c380cb
[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" "707f32c6575ad69293397dcab8f5c7c89edea65e89500e2940e2593fe3c380cb", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking resolv-conf v0.6.2
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]     Checking rand_os v0.1.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking lud v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/rr.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | /     (16 * 16 * (byte_combine(bytes[offset], bytes[offset + 1]) as i32)
[INFO] [stdout] 106 | |         + (byte_combine(bytes[offset + 2], bytes[offset + 3]) as i32))
[INFO] [stdout]     | |______________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 105 |     16 * 16 * (byte_combine(bytes[offset], bytes[offset + 1]) as i32)
[INFO] [stdout] 106 |         + (byte_combine(bytes[offset + 2], bytes[offset + 3]) as i32)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/rr.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 | /     (16 * 16 * (byte_combine(bytes[offset], bytes[offset + 1]) as i32)
[INFO] [stdout] 106 | |         + (byte_combine(bytes[offset + 2], bytes[offset + 3]) as i32))
[INFO] [stdout]     | |______________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 105 |     16 * 16 * (byte_combine(bytes[offset], bytes[offset + 1]) as i32)
[INFO] [stdout] 106 |         + (byte_combine(bytes[offset + 2], bytes[offset + 3]) as i32)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.10s
[INFO] running `Command { std: "docker" "inspect" "707f32c6575ad69293397dcab8f5c7c89edea65e89500e2940e2593fe3c380cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "707f32c6575ad69293397dcab8f5c7c89edea65e89500e2940e2593fe3c380cb", kill_on_drop: false }`
[INFO] [stdout] 707f32c6575ad69293397dcab8f5c7c89edea65e89500e2940e2593fe3c380cb