[INFO] cloning repository https://github.com/shivenigma/data-structures-algorithms [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shivenigma/data-structures-algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshivenigma%2Fdata-structures-algorithms", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshivenigma%2Fdata-structures-algorithms'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1e6745b9085f7c4f0411d4bb7d0dc7ca50cef79d [INFO] checking shivenigma/data-structures-algorithms against master#ff0b4b6091a75ad840035a991426c8bc9fbd93bb for pr-117673 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshivenigma%2Fdata-structures-algorithms" "/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/shivenigma/data-structures-algorithms on toolchain ff0b4b6091a75ad840035a991426c8bc9fbd93bb [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff0b4b6091a75ad840035a991426c8bc9fbd93bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shivenigma/data-structures-algorithms [INFO] finished tweaking git repo https://github.com/shivenigma/data-structures-algorithms [INFO] tweaked toml for git repo https://github.com/shivenigma/data-structures-algorithms written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/shivenigma/data-structures-algorithms 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" "+ff0b4b6091a75ad840035a991426c8bc9fbd93bb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking shivenigma/data-structures-algorithms against try#9ee647322baa27cc6bb1a95b4595bad94b334fcf for pr-117673 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshivenigma%2Fdata-structures-algorithms" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shivenigma/data-structures-algorithms on toolchain 9ee647322baa27cc6bb1a95b4595bad94b334fcf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shivenigma/data-structures-algorithms [INFO] finished tweaking git repo https://github.com/shivenigma/data-structures-algorithms [INFO] tweaked toml for git repo https://github.com/shivenigma/data-structures-algorithms written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/shivenigma/data-structures-algorithms 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" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 58ec51951bfc3bb143ec02acc6e29ec11fe6d2c1f5b2b645b1df8caaff3edc8c [INFO] running `Command { std: "docker" "start" "-a" "58ec51951bfc3bb143ec02acc6e29ec11fe6d2c1f5b2b645b1df8caaff3edc8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "58ec51951bfc3bb143ec02acc6e29ec11fe6d2c1f5b2b645b1df8caaff3edc8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58ec51951bfc3bb143ec02acc6e29ec11fe6d2c1f5b2b645b1df8caaff3edc8c", kill_on_drop: false }` [INFO] [stdout] 58ec51951bfc3bb143ec02acc6e29ec11fe6d2c1f5b2b645b1df8caaff3edc8c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+9ee647322baa27cc6bb1a95b4595bad94b334fcf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f1b5ba747ffe57d36f806374db3ba722ded0406fb67868ebbeebc78bebf475c8 [INFO] running `Command { std: "docker" "start" "-a" "f1b5ba747ffe57d36f806374db3ba722ded0406fb67868ebbeebc78bebf475c8", kill_on_drop: false }` [INFO] [stderr] Checking data-structures v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> src/ds/singly_linked_list.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> src/ds/singly_linked_list.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/ds/singly_linked_list.rs:24:33 [INFO] [stdout] | [INFO] [stdout] 24 | next: Some(Box::new(next)) [INFO] [stdout] | -------- ^^^^ expected `Node`, found `Option>` [INFO] [stdout] | | [INFO] [stdout] | arguments to this function are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected struct `Node<_>` [INFO] [stdout] found enum `Option>` [INFO] [stdout] note: associated function defined here [INFO] [stdout] --> /rustc/9ee647322baa27cc6bb1a95b4595bad94b334fcf/library/alloc/src/boxed.rs:215:12 [INFO] [stdout] help: consider using `Option::expect` to unwrap the `Option>` value, panicking if the value is an `Option::None` [INFO] [stdout] | [INFO] [stdout] 24 | next: Some(Box::new(next.expect("REASON"))) [INFO] [stdout] | +++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/ds/singly_linked_list.rs:24:33 [INFO] [stdout] | [INFO] [stdout] 24 | next: Some(Box::new(next)) [INFO] [stdout] | -------- ^^^^ expected `Node`, found `Option>` [INFO] [stdout] | | [INFO] [stdout] | arguments to this function are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected struct `Node<_>` [INFO] [stdout] found enum `Option>` [INFO] [stdout] note: associated function defined here [INFO] [stdout] --> /rustc/9ee647322baa27cc6bb1a95b4595bad94b334fcf/library/alloc/src/boxed.rs:215:12 [INFO] [stdout] help: consider using `Option::expect` to unwrap the `Option>` value, panicking if the value is an `Option::None` [INFO] [stdout] | [INFO] [stdout] 24 | next: Some(Box::new(next.expect("REASON"))) [INFO] [stdout] | +++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `data-structures` (lib) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `data-structures` (lib test) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "f1b5ba747ffe57d36f806374db3ba722ded0406fb67868ebbeebc78bebf475c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1b5ba747ffe57d36f806374db3ba722ded0406fb67868ebbeebc78bebf475c8", kill_on_drop: false }` [INFO] [stdout] f1b5ba747ffe57d36f806374db3ba722ded0406fb67868ebbeebc78bebf475c8