[INFO] fetching crate double_linkedlist 0.1.2... [INFO] testing double_linkedlist-0.1.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate double_linkedlist 0.1.2 into /workspace/builds/worker-3-tc2/source [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-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate double_linkedlist 0.1.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 82635ba16ea29c3d94e0cf9863a76ba1ae72e85274ac5ab62a30a86fd1c3cb65 [INFO] running `Command { std: "docker" "start" "-a" "82635ba16ea29c3d94e0cf9863a76ba1ae72e85274ac5ab62a30a86fd1c3cb65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "82635ba16ea29c3d94e0cf9863a76ba1ae72e85274ac5ab62a30a86fd1c3cb65", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82635ba16ea29c3d94e0cf9863a76ba1ae72e85274ac5ab62a30a86fd1c3cb65", kill_on_drop: false }` [INFO] [stdout] 82635ba16ea29c3d94e0cf9863a76ba1ae72e85274ac5ab62a30a86fd1c3cb65 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4a6247441a1214d4f4dbbe15ac9ad92b0aac4bdda322ff56e3809bad1a0b9325 [INFO] running `Command { std: "docker" "start" "-a" "4a6247441a1214d4f4dbbe15ac9ad92b0aac4bdda322ff56e3809bad1a0b9325", kill_on_drop: false }` [INFO] [stderr] Compiling 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)]` (part of `#[warn(nonstandard_style)]`) 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:55:26 [INFO] [stdout] | [INFO] [stdout] 55 | let mut result = None; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s [INFO] running `Command { std: "docker" "inspect" "4a6247441a1214d4f4dbbe15ac9ad92b0aac4bdda322ff56e3809bad1a0b9325", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a6247441a1214d4f4dbbe15ac9ad92b0aac4bdda322ff56e3809bad1a0b9325", kill_on_drop: false }` [INFO] [stdout] 4a6247441a1214d4f4dbbe15ac9ad92b0aac4bdda322ff56e3809bad1a0b9325 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a01d5ef27cf4e3836ce8eba20e67f7b4a61ec1b9fd28b4e96c1ea0f5392465d1 [INFO] running `Command { std: "docker" "start" "-a" "a01d5ef27cf4e3836ce8eba20e67f7b4a61ec1b9fd28b4e96c1ea0f5392465d1", kill_on_drop: false }` [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)]` (part of `#[warn(nonstandard_style)]`) 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:55:26 [INFO] [stdout] | [INFO] [stdout] 55 | let mut result = None; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling 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)]` (part of `#[warn(nonstandard_style)]`) 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:55:26 [INFO] [stdout] | [INFO] [stdout] 55 | let mut result = None; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [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)]` (part of `#[warn(unused)]`) on by default [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "a01d5ef27cf4e3836ce8eba20e67f7b4a61ec1b9fd28b4e96c1ea0f5392465d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a01d5ef27cf4e3836ce8eba20e67f7b4a61ec1b9fd28b4e96c1ea0f5392465d1", kill_on_drop: false }` [INFO] [stdout] a01d5ef27cf4e3836ce8eba20e67f7b4a61ec1b9fd28b4e96c1ea0f5392465d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8f6a889317145a4cb4f3e18d366d89b7c81ce31c114b7ee0a11085b50a7d04a5 [INFO] running `Command { std: "docker" "start" "-a" "8f6a889317145a4cb4f3e18d366d89b7c81ce31c114b7ee0a11085b50a7d04a5", kill_on_drop: false }` [INFO] [stderr] warning: type `Double_Node` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:5:8 [INFO] [stderr] | [INFO] [stderr] 5 | struct Double_Node { [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to upper camel case: `DoubleNode` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: type `Double_LinkedList` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:24:12 [INFO] [stderr] | [INFO] [stderr] 24 | pub struct Double_LinkedList { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DoubleLinkedList` [INFO] [stderr] [INFO] [stderr] warning: type `Double_LinkedList_Iterator` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:83:12 [INFO] [stderr] | [INFO] [stderr] 83 | pub struct Double_LinkedList_Iterator { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DoubleLinkedListIterator` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `result` is never read [INFO] [stderr] --> src/lib.rs:55:26 [INFO] [stderr] | [INFO] [stderr] 55 | let mut result = None; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `double_linkedlist` (lib) generated 4 warnings [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:120:13 [INFO] [stderr] | [INFO] [stderr] 120 | let mut test_double_node = Double_Node::new(10); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `test_double_node` [INFO] [stdout] [INFO] [stderr] --> src/lib.rs:120:13 [INFO] [stdout] running 3 tests [INFO] [stderr] | [INFO] [stdout] test tests::test_double_linkedlist_iterator ... ok [INFO] [stderr] 120 | let mut test_double_node = Double_Node::new(10); [INFO] [stdout] test tests::test_double_node_new ... ok [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_test_double_node` [INFO] [stdout] test tests::test_double_linkedlist_pop ... ok [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: `double_linkedlist` (lib test) generated 6 warnings (4 duplicates) (run `cargo fix --lib -p double_linkedlist --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/double_linkedlist-f0edf686c511fb18) [INFO] [stderr] Doc-tests double_linkedlist [INFO] [stderr] warning: type `Double_Node` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:5:8 [INFO] [stderr] | [INFO] [stderr] 5 | struct Double_Node { [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to upper camel case: `DoubleNode` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: type `Double_LinkedList` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:24:12 [INFO] [stderr] | [INFO] [stderr] 24 | pub struct Double_LinkedList { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DoubleLinkedList` [INFO] [stderr] [INFO] [stderr] warning: type `Double_LinkedList_Iterator` should have an upper camel case name [INFO] [stderr] --> src/lib.rs:83:12 [INFO] [stderr] | [INFO] [stderr] 83 | pub struct Double_LinkedList_Iterator { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `DoubleLinkedListIterator` [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8f6a889317145a4cb4f3e18d366d89b7c81ce31c114b7ee0a11085b50a7d04a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f6a889317145a4cb4f3e18d366d89b7c81ce31c114b7ee0a11085b50a7d04a5", kill_on_drop: false }` [INFO] [stdout] 8f6a889317145a4cb4f3e18d366d89b7c81ce31c114b7ee0a11085b50a7d04a5