[INFO] cloning repository https://github.com/Rui-code/minigrep [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rui-code/minigrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRui-code%2Fminigrep", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRui-code%2Fminigrep'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 870255dc533bf16dd6450ca844818ad6bb1dcb11 [INFO] checking Rui-code/minigrep against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRui-code%2Fminigrep" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Rui-code/minigrep on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Rui-code/minigrep [INFO] finished tweaking git repo https://github.com/Rui-code/minigrep [INFO] tweaked toml for git repo https://github.com/Rui-code/minigrep written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/Rui-code/minigrep already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a0f8e9eaa25aea68bfbfd9bfcfe86f551d07710d79be830bbd34464608f86f8e [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" "a0f8e9eaa25aea68bfbfd9bfcfe86f551d07710d79be830bbd34464608f86f8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a0f8e9eaa25aea68bfbfd9bfcfe86f551d07710d79be830bbd34464608f86f8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0f8e9eaa25aea68bfbfd9bfcfe86f551d07710d79be830bbd34464608f86f8e", kill_on_drop: false }` [INFO] [stdout] a0f8e9eaa25aea68bfbfd9bfcfe86f551d07710d79be830bbd34464608f86f8e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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] a574debd2cf0e82376e127d69b0c9cf69225aa273cd129d626b2ab8d6f0bb1ca [INFO] running `Command { std: "docker" "start" "-a" "a574debd2cf0e82376e127d69b0c9cf69225aa273cd129d626b2ab8d6f0bb1ca", kill_on_drop: false }` [INFO] [stderr] Checking minigrep v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: unexpected `,` in pattern [INFO] [stdout] --> src/lib.rs:16:22 [INFO] [stdout] | [INFO] [stdout] 16 | Some(arg), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] help: try adding parentheses to match on a tuple... [INFO] [stdout] | [INFO] [stdout] 16 | (Some(arg), [INFO] [stdout] 17 | None) => return Err("Didn't get a query string"), [INFO] [stdout] | [INFO] [stdout] help: ...or a vertical bar to match on multiple alternatives [INFO] [stdout] | [INFO] [stdout] 16 | Some(arg) | [INFO] [stdout] 17 | None => return Err("Didn't get a query string"), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: unexpected `,` in pattern [INFO] [stdout] --> src/lib.rs:16:22 [INFO] [stdout] | [INFO] [stdout] 16 | Some(arg), [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] help: try adding parentheses to match on a tuple... [INFO] [stdout] | [INFO] [stdout] 16 | (Some(arg), [INFO] [stdout] 17 | None) => return Err("Didn't get a query string"), [INFO] [stdout] | [INFO] [stdout] help: ...or a vertical bar to match on multiple alternatives [INFO] [stdout] | [INFO] [stdout] 16 | Some(arg) | [INFO] [stdout] 17 | None => return Err("Didn't get a query string"), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/lib.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 15 | let query = match args.next() { [INFO] [stdout] | _____________________- [INFO] [stdout] 16 | | Some(arg), [INFO] [stdout] 17 | | None => return Err("Didn't get a query string"), [INFO] [stdout] 18 | | }; [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 19 | [INFO] [stdout] 20 | / let filename = match args.next() { [INFO] [stdout] 21 | | Some(arg) => arg, [INFO] [stdout] 22 | | None => return Err("Didn't get a file name"), [INFO] [stdout] 23 | | }; [INFO] [stdout] | |__________^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/lib.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 15 | let query = match args.next() { [INFO] [stdout] | _____________________- [INFO] [stdout] 16 | | Some(arg), [INFO] [stdout] 17 | | None => return Err("Didn't get a query string"), [INFO] [stdout] 18 | | }; [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 19 | [INFO] [stdout] 20 | / let filename = match args.next() { [INFO] [stdout] 21 | | Some(arg) => arg, [INFO] [stdout] 22 | | None => return Err("Didn't get a file name"), [INFO] [stdout] 23 | | }; [INFO] [stdout] | |__________^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `minigrep` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "a574debd2cf0e82376e127d69b0c9cf69225aa273cd129d626b2ab8d6f0bb1ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a574debd2cf0e82376e127d69b0c9cf69225aa273cd129d626b2ab8d6f0bb1ca", kill_on_drop: false }` [INFO] [stdout] a574debd2cf0e82376e127d69b0c9cf69225aa273cd129d626b2ab8d6f0bb1ca