[INFO] cloning repository https://github.com/azaleacolburn/drumindor [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/azaleacolburn/drumindor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazaleacolburn%2Fdrumindor", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazaleacolburn%2Fdrumindor'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 55902cd99b3a4e7413960a080f30f64daf3382a9 [INFO] checking azaleacolburn/drumindor against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fazaleacolburn%2Fdrumindor" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/azaleacolburn/drumindor [INFO] finished tweaking git repo https://github.com/azaleacolburn/drumindor [INFO] tweaked toml for git repo https://github.com/azaleacolburn/drumindor written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/azaleacolburn/drumindor on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/azaleacolburn/drumindor 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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e6769cf966857949149017090884a1de0489147e974fe970187e44c07b4eaf37 [INFO] running `Command { std: "docker" "start" "-a" "e6769cf966857949149017090884a1de0489147e974fe970187e44c07b4eaf37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e6769cf966857949149017090884a1de0489147e974fe970187e44c07b4eaf37", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6769cf966857949149017090884a1de0489147e974fe970187e44c07b4eaf37", kill_on_drop: false }` [INFO] [stdout] e6769cf966857949149017090884a1de0489147e974fe970187e44c07b4eaf37 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c904baad3235112c265973a1e9201f487329ba7987ac74084119ba62995eaca8 [INFO] running `Command { std: "docker" "start" "-a" "c904baad3235112c265973a1e9201f487329ba7987ac74084119ba62995eaca8", kill_on_drop: false }` [INFO] [stderr] Checking drumindor v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/linked_list.rs:44:25 [INFO] [stdout] | [INFO] [stdout] 44 | None => return panic!("Index exceeds size of linked list"), [INFO] [stdout] | ^^^^^^^------------------------------------------- [INFO] [stdout] | | | [INFO] [stdout] | | any code following this expression is unreachable [INFO] [stdout] | unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/linked_list.rs:56:21 [INFO] [stdout] | [INFO] [stdout] 56 | None => return panic!("Index exceeds size of linked list"), [INFO] [stdout] | ^^^^^^^------------------------------------------- [INFO] [stdout] | | | [INFO] [stdout] | | any code following this expression is unreachable [INFO] [stdout] | unreachable expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0594]: cannot assign to `before_node.next`, as `before_node` is not declared as mutable [INFO] [stdout] --> src/linked_list.rs:52:35 [INFO] [stdout] | [INFO] [stdout] 52 | Some(next) => before_node.next = Some(next), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot assign [INFO] [stdout] | [INFO] [stdout] help: consider changing this to be mutable [INFO] [stdout] | [INFO] [stdout] 47 | let mut before_node = unsafe { ptr.read() }; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0594]: cannot assign to `before_node.next`, as `before_node` is not declared as mutable [INFO] [stdout] --> src/linked_list.rs:53:29 [INFO] [stdout] | [INFO] [stdout] 53 | None => before_node.next = None, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ cannot assign [INFO] [stdout] | [INFO] [stdout] help: consider changing this to be mutable [INFO] [stdout] | [INFO] [stdout] 47 | let mut before_node = unsafe { ptr.read() }; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0594`. [INFO] [stdout] [INFO] [stderr] error: could not compile `drumindor` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/linked_list.rs:44:25 [INFO] [stdout] | [INFO] [stdout] 44 | None => return panic!("Index exceeds size of linked list"), [INFO] [stdout] | ^^^^^^^------------------------------------------- [INFO] [stdout] | | | [INFO] [stdout] | | any code following this expression is unreachable [INFO] [stdout] | unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/linked_list.rs:56:21 [INFO] [stdout] | [INFO] [stdout] 56 | None => return panic!("Index exceeds size of linked list"), [INFO] [stdout] | ^^^^^^^------------------------------------------- [INFO] [stdout] | | | [INFO] [stdout] | | any code following this expression is unreachable [INFO] [stdout] | unreachable expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0594]: cannot assign to `before_node.next`, as `before_node` is not declared as mutable [INFO] [stdout] --> src/linked_list.rs:52:35 [INFO] [stdout] | [INFO] [stdout] 52 | Some(next) => before_node.next = Some(next), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot assign [INFO] [stdout] | [INFO] [stdout] help: consider changing this to be mutable [INFO] [stdout] | [INFO] [stdout] 47 | let mut before_node = unsafe { ptr.read() }; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0594]: cannot assign to `before_node.next`, as `before_node` is not declared as mutable [INFO] [stdout] --> src/linked_list.rs:53:29 [INFO] [stdout] | [INFO] [stdout] 53 | None => before_node.next = None, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ cannot assign [INFO] [stdout] | [INFO] [stdout] help: consider changing this to be mutable [INFO] [stdout] | [INFO] [stdout] 47 | let mut before_node = unsafe { ptr.read() }; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0594`. [INFO] [stdout] [INFO] [stderr] error: could not compile `drumindor` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "c904baad3235112c265973a1e9201f487329ba7987ac74084119ba62995eaca8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c904baad3235112c265973a1e9201f487329ba7987ac74084119ba62995eaca8", kill_on_drop: false }` [INFO] [stdout] c904baad3235112c265973a1e9201f487329ba7987ac74084119ba62995eaca8