[INFO] cloning repository https://github.com/GTxx/learn_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GTxx/learn_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGTxx%2Flearn_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGTxx%2Flearn_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b4dc2ad0d71f20b8eb03792f5b8269ce8d7cb321 [INFO] checking GTxx/learn_rust against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGTxx%2Flearn_rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/GTxx/learn_rust on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/GTxx/learn_rust [INFO] finished tweaking git repo https://github.com/GTxx/learn_rust [INFO] tweaked toml for git repo https://github.com/GTxx/learn_rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/GTxx/learn_rust 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 936ee3a3dcb7ba0f6d93c9ddd40c05de7211824e16240b0a48e0f66cafca7829 [INFO] running `Command { std: "docker" "start" "-a" "936ee3a3dcb7ba0f6d93c9ddd40c05de7211824e16240b0a48e0f66cafca7829", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "936ee3a3dcb7ba0f6d93c9ddd40c05de7211824e16240b0a48e0f66cafca7829", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "936ee3a3dcb7ba0f6d93c9ddd40c05de7211824e16240b0a48e0f66cafca7829", kill_on_drop: false }` [INFO] [stdout] 936ee3a3dcb7ba0f6d93c9ddd40c05de7211824e16240b0a48e0f66cafca7829 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 86bea84f55047160fc3acbf6f9c8b9deac0703a2192dd6ebb8a9a9d6892b458f [INFO] running `Command { std: "docker" "start" "-a" "86bea84f55047160fc3acbf6f9c8b9deac0703a2192dd6ebb8a9a9d6892b458f", kill_on_drop: false }` [INFO] [stderr] Checking learn_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0603]: function `find_queen_position` is private [INFO] [stdout] --> src/main.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | use queen::find_queen_position; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ private function [INFO] [stdout] | [INFO] [stdout] note: the function `find_queen_position` is defined here [INFO] [stdout] --> src/queen.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | fn find_queen_position(result: Vec, row: i8) -> HashSet{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0603]: function `find_queen_position` is private [INFO] [stdout] --> src/main.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | use queen::find_queen_position; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ private function [INFO] [stdout] | [INFO] [stdout] note: the function `find_queen_position` is defined here [INFO] [stdout] --> src/queen.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | fn find_queen_position(result: Vec, row: i8) -> HashSet{ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/queen.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 18 | fn find_queen_position(result: Vec, row: i8) -> HashSet{ [INFO] [stdout] | ----------- expected `HashSet` because of return type [INFO] [stdout] ... [INFO] [stdout] 26 | return available_col.difference(&disabled_col) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `HashSet`, found `Difference<'_, i8, RandomState>` [INFO] [stdout] | [INFO] [stdout] = note: expected struct `HashSet` [INFO] [stdout] found struct `std::collections::hash_set::Difference<'_, i8, RandomState>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/queen.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 18 | fn find_queen_position(result: Vec, row: i8) -> HashSet{ [INFO] [stdout] | ----------- expected `HashSet` because of return type [INFO] [stdout] ... [INFO] [stdout] 26 | return available_col.difference(&disabled_col) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `HashSet`, found `Difference<'_, i8, RandomState>` [INFO] [stdout] | [INFO] [stdout] = note: expected struct `HashSet` [INFO] [stdout] found struct `std::collections::hash_set::Difference<'_, i8, RandomState>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0596]: cannot borrow `result` as mutable, as it is not declared as mutable [INFO] [stdout] --> src/queen.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let result = vec![queen_location.col]; [INFO] [stdout] | ^^^^^^ not mutable [INFO] [stdout] 13 | if left > 0 { result.push(left) } [INFO] [stdout] | ------ cannot borrow as mutable [INFO] [stdout] 14 | if right < 8 { result.push(right) } [INFO] [stdout] | ------ cannot borrow as mutable [INFO] [stdout] | [INFO] [stdout] help: consider changing this to be mutable [INFO] [stdout] | [INFO] [stdout] 12 | let mut result = vec![queen_location.col]; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0596]: cannot borrow `result` as mutable, as it is not declared as mutable [INFO] [stdout] --> src/queen.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let result = vec![queen_location.col]; [INFO] [stdout] | ^^^^^^ not mutable [INFO] [stdout] 13 | if left > 0 { result.push(left) } [INFO] [stdout] | ------ cannot borrow as mutable [INFO] [stdout] 14 | if right < 8 { result.push(right) } [INFO] [stdout] | ------ cannot borrow as mutable [INFO] [stdout] | [INFO] [stdout] help: consider changing this to be mutable [INFO] [stdout] | [INFO] [stdout] 12 | let mut result = vec![queen_location.col]; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let y: i32 = 123; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let y: i32 = 123; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0596, E0603. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0308, E0596, E0603. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `learn_rust` (bin "learn_rust" test) due to 4 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `learn_rust` (bin "learn_rust") due to 4 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "86bea84f55047160fc3acbf6f9c8b9deac0703a2192dd6ebb8a9a9d6892b458f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86bea84f55047160fc3acbf6f9c8b9deac0703a2192dd6ebb8a9a9d6892b458f", kill_on_drop: false }` [INFO] [stdout] 86bea84f55047160fc3acbf6f9c8b9deac0703a2192dd6ebb8a9a9d6892b458f [INFO] checking GTxx/learn_rust against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGTxx%2Flearn_rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/GTxx/learn_rust on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/GTxx/learn_rust [INFO] finished tweaking git repo https://github.com/GTxx/learn_rust [INFO] tweaked toml for git repo https://github.com/GTxx/learn_rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/GTxx/learn_rust 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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1e3679ee5bf7f166704a8abbdb1cb7987d2300f060531e5c85a923b64c387c60 [INFO] running `Command { std: "docker" "start" "-a" "1e3679ee5bf7f166704a8abbdb1cb7987d2300f060531e5c85a923b64c387c60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1e3679ee5bf7f166704a8abbdb1cb7987d2300f060531e5c85a923b64c387c60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e3679ee5bf7f166704a8abbdb1cb7987d2300f060531e5c85a923b64c387c60", kill_on_drop: false }` [INFO] [stdout] 1e3679ee5bf7f166704a8abbdb1cb7987d2300f060531e5c85a923b64c387c60 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4aee814af5b45440e2d3af22e2b22bb6b7ac0824424c5a445d6f2043785b731e [INFO] running `Command { std: "docker" "start" "-a" "4aee814af5b45440e2d3af22e2b22bb6b7ac0824424c5a445d6f2043785b731e", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] no edition found in manifest, probably 2015, skipping [INFO] running `Command { std: "docker" "inspect" "4aee814af5b45440e2d3af22e2b22bb6b7ac0824424c5a445d6f2043785b731e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4aee814af5b45440e2d3af22e2b22bb6b7ac0824424c5a445d6f2043785b731e", kill_on_drop: false }` [INFO] [stdout] 4aee814af5b45440e2d3af22e2b22bb6b7ac0824424c5a445d6f2043785b731e