[INFO] fetching crate double_linkedlist 0.1.2... [INFO] checking double_linkedlist-0.1.2 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714 [INFO] extracting crate double_linkedlist 0.1.2 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate double_linkedlist 0.1.2 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate double_linkedlist 0.1.2 [INFO] finished tweaking crates.io crate double_linkedlist 0.1.2 [INFO] tweaked toml for crates.io crate double_linkedlist 0.1.2 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 25439b4dd952c44a55d861b52963fcf151aa51ba976d622fec9904de7c66226b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "25439b4dd952c44a55d861b52963fcf151aa51ba976d622fec9904de7c66226b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "25439b4dd952c44a55d861b52963fcf151aa51ba976d622fec9904de7c66226b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25439b4dd952c44a55d861b52963fcf151aa51ba976d622fec9904de7c66226b", kill_on_drop: false }` [INFO] [stdout] 25439b4dd952c44a55d861b52963fcf151aa51ba976d622fec9904de7c66226b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bf3c02b9afdd669942b85fbacac7e960bbbce72ab261ff76d316cd2b53d53261 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bf3c02b9afdd669942b85fbacac7e960bbbce72ab261ff76d316cd2b53d53261", kill_on_drop: false }` [INFO] [stderr] Checking double_linkedlist v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: type `Double_Node` should have an upper camel case name [INFO] [stdout] --> src/lib.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Double_Node { [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to upper camel case: `DoubleNode` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Double_LinkedList` should have an upper camel case name [INFO] [stdout] --> src/lib.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | pub struct Double_LinkedList { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DoubleLinkedList` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Double_LinkedList_Iterator` should have an upper camel case name [INFO] [stdout] --> src/lib.rs:83:12 [INFO] [stdout] | [INFO] [stdout] 83 | pub struct Double_LinkedList_Iterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DoubleLinkedListIterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Double_Node` should have an upper camel case name [INFO] [stdout] --> src/lib.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Double_Node { [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to upper camel case: `DoubleNode` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Double_LinkedList` should have an upper camel case name [INFO] [stdout] --> src/lib.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 24 | pub struct Double_LinkedList { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DoubleLinkedList` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Double_LinkedList_Iterator` should have an upper camel case name [INFO] [stdout] --> src/lib.rs:83:12 [INFO] [stdout] | [INFO] [stdout] 83 | pub struct Double_LinkedList_Iterator { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DoubleLinkedListIterator` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result` is never read [INFO] [stdout] --> src/lib.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let mut result = None; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `test_double_node` [INFO] [stdout] --> src/lib.rs:120:13 [INFO] [stdout] | [INFO] [stdout] 120 | let mut test_double_node = Double_Node::new(10); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_double_node` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `result` is never read [INFO] [stdout] --> src/lib.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | let mut result = None; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:120:13 [INFO] [stdout] | [INFO] [stdout] 120 | let mut test_double_node = Double_Node::new(10); [INFO] [stdout] | ----^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `Command { std: "docker" "inspect" "bf3c02b9afdd669942b85fbacac7e960bbbce72ab261ff76d316cd2b53d53261", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf3c02b9afdd669942b85fbacac7e960bbbce72ab261ff76d316cd2b53d53261", kill_on_drop: false }` [INFO] [stdout] bf3c02b9afdd669942b85fbacac7e960bbbce72ab261ff76d316cd2b53d53261