[INFO] cloning repository https://github.com/aragorndev0912/rpn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aragorndev0912/rpn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faragorndev0912%2Frpn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faragorndev0912%2Frpn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a4c700a5a8923d264d7ab9b5b5fcc2a0c44194f1 [INFO] checking aragorndev0912/rpn against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faragorndev0912%2Frpn" "/workspace/builds/worker-63/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-63/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aragorndev0912/rpn on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/aragorndev0912/rpn [INFO] finished tweaking git repo https://github.com/aragorndev0912/rpn [INFO] tweaked toml for git repo https://github.com/aragorndev0912/rpn written to /workspace/builds/worker-63/source/Cargo.toml [INFO] crate git repo https://github.com/aragorndev0912/rpn already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4e8b9ac5d22493a3f11d8f3025633f0973f540d5557520d08c40289e4353825a [INFO] running `Command { std: "docker" "start" "-a" "4e8b9ac5d22493a3f11d8f3025633f0973f540d5557520d08c40289e4353825a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4e8b9ac5d22493a3f11d8f3025633f0973f540d5557520d08c40289e4353825a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e8b9ac5d22493a3f11d8f3025633f0973f540d5557520d08c40289e4353825a", kill_on_drop: false }` [INFO] [stdout] 4e8b9ac5d22493a3f11d8f3025633f0973f540d5557520d08c40289e4353825a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 57ff8cd862c2b207442e62443cf0f39ff12b6f0e895e7e161a244c50b7bb87a8 [INFO] running `Command { std: "docker" "start" "-a" "57ff8cd862c2b207442e62443cf0f39ff12b6f0e895e7e161a244c50b7bb87a8", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking rpn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/rpn.rs:167:5 [INFO] [stdout] | [INFO] [stdout] 167 | (count) [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/rpn.rs:167:5 [INFO] [stdout] | [INFO] [stdout] 167 | (count) [INFO] [stdout] | ^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [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 2.82s [INFO] running `Command { std: "docker" "inspect" "57ff8cd862c2b207442e62443cf0f39ff12b6f0e895e7e161a244c50b7bb87a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57ff8cd862c2b207442e62443cf0f39ff12b6f0e895e7e161a244c50b7bb87a8", kill_on_drop: false }` [INFO] [stdout] 57ff8cd862c2b207442e62443cf0f39ff12b6f0e895e7e161a244c50b7bb87a8