[INFO] cloning repository https://github.com/rotmh/peace-table
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rotmh/peace-table" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frotmh%2Fpeace-table", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frotmh%2Fpeace-table'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 380f6cfe0a95c57d024b4687322ebac2141a9e90
[INFO] checking rotmh/peace-table against 165655a2f1981fef27b31c547ad7631979fc5139 for pr-160235
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frotmh%2Fpeace-table" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rotmh/peace-table
[INFO] finished tweaking git repo https://github.com/rotmh/peace-table
[INFO] tweaked toml for git repo https://github.com/rotmh/peace-table written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rotmh/peace-table on toolchain 165655a2f1981fef27b31c547ad7631979fc5139
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rotmh/peace-table 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" "+165655a2f1981fef27b31c547ad7631979fc5139" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 60cd3c3548d36195a9166bef3b7bca079e7c06716aa1bf05762127be5890560e
[INFO] running `Command { std: "docker" "start" "60cd3c3548d36195a9166bef3b7bca079e7c06716aa1bf05762127be5890560e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60cd3c3548d36195a9166bef3b7bca079e7c06716aa1bf05762127be5890560e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "60cd3c3548d36195a9166bef3b7bca079e7c06716aa1bf05762127be5890560e" "/opt/rustwide/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60cd3c3548d36195a9166bef3b7bca079e7c06716aa1bf05762127be5890560e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "60cd3c3548d36195a9166bef3b7bca079e7c06716aa1bf05762127be5890560e" "/opt/rustwide/cargo-home/bin/cargo" "+165655a2f1981fef27b31c547ad7631979fc5139" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking str_indices v0.4.4
[INFO] [stderr]     Checking peace-table v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: suspicious attribute: ExprKind::Assign lhs
[INFO] [stdout]    --> src/lib.rs:453:13
[INFO] [stdout]     |
[INFO] [stdout] 453 |             #[cfg(feature = "lines")]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: suspicious attribute: ExprKind::AssignOp lhs
[INFO] [stdout]    --> src/lib.rs:471:9
[INFO] [stdout]     |
[INFO] [stdout] 471 |         #[cfg(feature = "lines")]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: suspicious attribute: ExprKind::Assign lhs
[INFO] [stdout]    --> src/lib.rs:453:13
[INFO] [stdout]     |
[INFO] [stdout] 453 |             #[cfg(feature = "lines")]
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: suspicious attribute: ExprKind::AssignOp lhs
[INFO] [stdout]    --> src/lib.rs:471:9
[INFO] [stdout]     |
[INFO] [stdout] 471 |         #[cfg(feature = "lines")]
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `if_let_guard` has been stable since 1.95.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(test, if_let_guard, stmt_expr_attributes)]
[INFO] [stdout]   |                  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `if_let_guard` has been stable since 1.95.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(test, if_let_guard, stmt_expr_attributes)]
[INFO] [stdout]   |                  ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `root`
[INFO] [stdout]   --> src/rbtree.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |         if let Some(root) = self.root {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]   --> src/rbtree.rs:73:33
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn insert_before(&mut self, text: &str, node: NodePtr) {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/rbtree.rs:73:45
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn insert_before(&mut self, text: &str, node: NodePtr) {
[INFO] [stdout]    |                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `peace-table` (lib test) due to 2 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `root`
[INFO] [stdout]   --> src/rbtree.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |         if let Some(root) = self.root {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `text`
[INFO] [stdout]   --> src/rbtree.rs:73:33
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn insert_before(&mut self, text: &str, node: NodePtr) {
[INFO] [stdout]    |                                 ^^^^ help: if this is intentional, prefix it with an underscore: `_text`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/rbtree.rs:73:45
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn insert_before(&mut self, text: &str, node: NodePtr) {
[INFO] [stdout]    |                                             ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `peace-table` (lib) due to 2 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "60cd3c3548d36195a9166bef3b7bca079e7c06716aa1bf05762127be5890560e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60cd3c3548d36195a9166bef3b7bca079e7c06716aa1bf05762127be5890560e", kill_on_drop: false }`
[INFO] [stdout] 60cd3c3548d36195a9166bef3b7bca079e7c06716aa1bf05762127be5890560e
