[INFO] cloning repository https://github.com/onsdagens/riscv32i-isa
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/onsdagens/riscv32i-isa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonsdagens%2Friscv32i-isa", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonsdagens%2Friscv32i-isa'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3d687ab90898eab8a08b3b29ba571a1ec352bc7
[INFO] checking onsdagens/riscv32i-isa against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fonsdagens%2Friscv32i-isa" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/onsdagens/riscv32i-isa on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/onsdagens/riscv32i-isa
[INFO] finished tweaking git repo https://github.com/onsdagens/riscv32i-isa
[INFO] tweaked toml for git repo https://github.com/onsdagens/riscv32i-isa written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/onsdagens/riscv32i-isa already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83cb2da6797b5e9aaf9b12e08574ff1d24e2ca528a0f62a0a8b7989251169010
[INFO] running `Command { std: "docker" "start" "-a" "83cb2da6797b5e9aaf9b12e08574ff1d24e2ca528a0f62a0a8b7989251169010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83cb2da6797b5e9aaf9b12e08574ff1d24e2ca528a0f62a0a8b7989251169010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83cb2da6797b5e9aaf9b12e08574ff1d24e2ca528a0f62a0a8b7989251169010", kill_on_drop: false }`
[INFO] [stdout] 83cb2da6797b5e9aaf9b12e08574ff1d24e2ca528a0f62a0a8b7989251169010
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adb6b267f0fdb23398be64a0f4881697fb73de06449f8eccb84dd835a64e8fd2
[INFO] running `Command { std: "docker" "start" "-a" "adb6b267f0fdb23398be64a0f4881697fb73de06449f8eccb84dd835a64e8fd2", kill_on_drop: false }`
[INFO] [stderr]     Checking riscv32i-isa v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/lib.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 47 |     match(bits){
[INFO] [stdout]    |          ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 47 -     match(bits){
[INFO] [stdout] 47 +     match bits{
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/lib.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 47 |     match(bits){
[INFO] [stdout]    |          ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 47 -     match(bits){
[INFO] [stdout] 47 +     match bits{
[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` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "adb6b267f0fdb23398be64a0f4881697fb73de06449f8eccb84dd835a64e8fd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adb6b267f0fdb23398be64a0f4881697fb73de06449f8eccb84dd835a64e8fd2", kill_on_drop: false }`
[INFO] [stdout] adb6b267f0fdb23398be64a0f4881697fb73de06449f8eccb84dd835a64e8fd2