[INFO] cloning repository https://github.com/one0day/rust-data-structure [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/one0day/rust-data-structure" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fone0day%2Frust-data-structure", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fone0day%2Frust-data-structure'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1adbaaaa12bec5661e96db7b095958a7f0efb010 [INFO] checking one0day/rust-data-structure against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fone0day%2Frust-data-structure" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/one0day/rust-data-structure on toolchain 23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/one0day/rust-data-structure [INFO] finished tweaking git repo https://github.com/one0day/rust-data-structure [INFO] tweaked toml for git repo https://github.com/one0day/rust-data-structure written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/one0day/rust-data-structure 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" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3bcf6bde989ffb5513c3024c63b2872ada4e37cf365b236e36f94c087290482d [INFO] running `Command { std: "docker" "start" "-a" "3bcf6bde989ffb5513c3024c63b2872ada4e37cf365b236e36f94c087290482d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3bcf6bde989ffb5513c3024c63b2872ada4e37cf365b236e36f94c087290482d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3bcf6bde989ffb5513c3024c63b2872ada4e37cf365b236e36f94c087290482d", kill_on_drop: false }` [INFO] [stdout] 3bcf6bde989ffb5513c3024c63b2872ada4e37cf365b236e36f94c087290482d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2dc4b7c77feeca10a92eb63c06484cdc4fda9b861c6f6d85bbdbe28c8d1d7fd2 [INFO] running `Command { std: "docker" "start" "-a" "2dc4b7c77feeca10a92eb63c06484cdc4fda9b861c6f6d85bbdbe28c8d1d7fd2", kill_on_drop: false }` [INFO] [stderr] Checking rust-data-structure v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0506]: cannot assign to `self.head` because it is borrowed [INFO] [stdout] --> src/double_linked_list.rs:116:25 [INFO] [stdout] | [INFO] [stdout] 110 | if let Some(node) = self.traverse(|node| node.borrow().value == value).next() { [INFO] [stdout] | -------------------------------------------------- [INFO] [stdout] | | [INFO] [stdout] | `self.head` is borrowed here [INFO] [stdout] | a temporary with access to the borrow is created here ... [INFO] [stdout] ... [INFO] [stdout] 116 | None => self.head = next.clone(), [INFO] [stdout] | ^^^^^^^^^ `self.head` is assigned to here but it was already borrowed [INFO] [stdout] ... [INFO] [stdout] 126 | } [INFO] [stdout] | - ... and the borrow might be used here, when that temporary is dropped and runs the destructor for type `impl Iterator>>>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0506]: cannot assign to `self.head` because it is borrowed [INFO] [stdout] --> src/double_linked_list.rs:116:25 [INFO] [stdout] | [INFO] [stdout] 110 | if let Some(node) = self.traverse(|node| node.borrow().value == value).next() { [INFO] [stdout] | -------------------------------------------------- [INFO] [stdout] | | [INFO] [stdout] | `self.head` is borrowed here [INFO] [stdout] | a temporary with access to the borrow is created here ... [INFO] [stdout] ... [INFO] [stdout] 116 | None => self.head = next.clone(), [INFO] [stdout] | ^^^^^^^^^ `self.head` is assigned to here but it was already borrowed [INFO] [stdout] ... [INFO] [stdout] 126 | } [INFO] [stdout] | - ... and the borrow might be used here, when that temporary is dropped and runs the destructor for type `impl Iterator>>>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0506]: cannot assign to `self.tail` because it is borrowed [INFO] [stdout] --> src/double_linked_list.rs:121:25 [INFO] [stdout] | [INFO] [stdout] 110 | if let Some(node) = self.traverse(|node| node.borrow().value == value).next() { [INFO] [stdout] | -------------------------------------------------- [INFO] [stdout] | | [INFO] [stdout] | `self.tail` is borrowed here [INFO] [stdout] | a temporary with access to the borrow is created here ... [INFO] [stdout] ... [INFO] [stdout] 121 | None => self.tail = prev.clone(), [INFO] [stdout] | ^^^^^^^^^ `self.tail` is assigned to here but it was already borrowed [INFO] [stdout] ... [INFO] [stdout] 126 | } [INFO] [stdout] | - ... and the borrow might be used here, when that temporary is dropped and runs the destructor for type `impl Iterator>>>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0506]: cannot assign to `self.tail` because it is borrowed [INFO] [stdout] --> src/double_linked_list.rs:121:25 [INFO] [stdout] | [INFO] [stdout] 110 | if let Some(node) = self.traverse(|node| node.borrow().value == value).next() { [INFO] [stdout] | -------------------------------------------------- [INFO] [stdout] | | [INFO] [stdout] | `self.tail` is borrowed here [INFO] [stdout] | a temporary with access to the borrow is created here ... [INFO] [stdout] ... [INFO] [stdout] 121 | None => self.tail = prev.clone(), [INFO] [stdout] | ^^^^^^^^^ `self.tail` is assigned to here but it was already borrowed [INFO] [stdout] ... [INFO] [stdout] 126 | } [INFO] [stdout] | - ... and the borrow might be used here, when that temporary is dropped and runs the destructor for type `impl Iterator>>>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0506]: cannot assign to `self.length` because it is borrowed [INFO] [stdout] --> src/double_linked_list.rs:123:13 [INFO] [stdout] | [INFO] [stdout] 110 | if let Some(node) = self.traverse(|node| node.borrow().value == value).next() { [INFO] [stdout] | -------------------------------------------------- [INFO] [stdout] | | [INFO] [stdout] | `self.length` is borrowed here [INFO] [stdout] | a temporary with access to the borrow is created here ... [INFO] [stdout] ... [INFO] [stdout] 123 | self.length -= 1; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ `self.length` is assigned to here but it was already borrowed [INFO] [stdout] ... [INFO] [stdout] 126 | } [INFO] [stdout] | - ... and the borrow might be used here, when that temporary is dropped and runs the destructor for type `impl Iterator>>>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0506]: cannot assign to `self.length` because it is borrowed [INFO] [stdout] --> src/double_linked_list.rs:123:13 [INFO] [stdout] | [INFO] [stdout] 110 | if let Some(node) = self.traverse(|node| node.borrow().value == value).next() { [INFO] [stdout] | -------------------------------------------------- [INFO] [stdout] | | [INFO] [stdout] | `self.length` is borrowed here [INFO] [stdout] | a temporary with access to the borrow is created here ... [INFO] [stdout] ... [INFO] [stdout] 123 | self.length -= 1; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ `self.length` is assigned to here but it was already borrowed [INFO] [stdout] ... [INFO] [stdout] 126 | } [INFO] [stdout] | - ... and the borrow might be used here, when that temporary is dropped and runs the destructor for type `impl Iterator>>>` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0506`. [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0506`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-data-structure` (bin "rust-data-structure") due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `rust-data-structure` (bin "rust-data-structure" test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "2dc4b7c77feeca10a92eb63c06484cdc4fda9b861c6f6d85bbdbe28c8d1d7fd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2dc4b7c77feeca10a92eb63c06484cdc4fda9b861c6f6d85bbdbe28c8d1d7fd2", kill_on_drop: false }` [INFO] [stdout] 2dc4b7c77feeca10a92eb63c06484cdc4fda9b861c6f6d85bbdbe28c8d1d7fd2