[INFO] cloning repository https://github.com/shiroyasha/rust-too-many-lists [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shiroyasha/rust-too-many-lists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshiroyasha%2Frust-too-many-lists", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshiroyasha%2Frust-too-many-lists'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ecb394b3200df168f4a95e0051bb810ffb4d7cf6 [INFO] testing shiroyasha/rust-too-many-lists against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshiroyasha%2Frust-too-many-lists" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shiroyasha/rust-too-many-lists on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shiroyasha/rust-too-many-lists [INFO] finished tweaking git repo https://github.com/shiroyasha/rust-too-many-lists [INFO] tweaked toml for git repo https://github.com/shiroyasha/rust-too-many-lists written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/shiroyasha/rust-too-many-lists already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4511e81019fd7bfde1449a6a602a0cefea5226ec97b9a5e3ae8e9f71e7b27db3 [INFO] running `Command { std: "docker" "start" "-a" "4511e81019fd7bfde1449a6a602a0cefea5226ec97b9a5e3ae8e9f71e7b27db3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4511e81019fd7bfde1449a6a602a0cefea5226ec97b9a5e3ae8e9f71e7b27db3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4511e81019fd7bfde1449a6a602a0cefea5226ec97b9a5e3ae8e9f71e7b27db3", kill_on_drop: false }` [INFO] [stdout] 4511e81019fd7bfde1449a6a602a0cefea5226ec97b9a5e3ae8e9f71e7b27db3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3c7448a277c6ad3d348a0cdd753628a53170f761c795cd473ccf3c81cdee44d7 [INFO] running `Command { std: "docker" "start" "-a" "3c7448a277c6ad3d348a0cdd753628a53170f761c795cd473ccf3c81cdee44d7", kill_on_drop: false }` [INFO] [stderr] Compiling rust-too-many-lists v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variant is never constructed: `More` [INFO] [stdout] --> src/first.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | More(Box), [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `elem` [INFO] [stdout] --> src/first.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | elem: i32, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/first.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push` [INFO] [stdout] --> src/first.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn push(&mut self, elem: i32) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `pop` [INFO] [stdout] --> src/first.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn pop(&mut self) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/second.rs:15:12 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `push` [INFO] [stdout] --> src/second.rs:19:12 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn push(&mut self, elem: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/second.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek_mut` [INFO] [stdout] --> src/second.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 43 | pub fn peek_mut(&mut self) -> Option<&mut T> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `into_iter` [INFO] [stdout] --> src/second.rs:63:12 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn into_iter(self) -> IntoIter { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter` [INFO] [stdout] --> src/second.rs:81:12 [INFO] [stdout] | [INFO] [stdout] 81 | pub fn iter<'a>(&'a self) -> Iter<'a, T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Tree` [INFO] [stdout] --> src/treeee.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct Tree<'a> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Link` [INFO] [stdout] --> src/treeee.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | type Link<'a> = Option>>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Node` [INFO] [stdout] --> src/treeee.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct Node<'a> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/treeee.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `add` [INFO] [stdout] --> src/treeee.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn add(&mut self, value: &'a str) { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `display` [INFO] [stdout] --> src/treeee.rs:31:12 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn display(&self) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `insert` [INFO] [stdout] --> src/treeee.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 35 | fn insert(head: &mut Node<'a>, new_node : Box>) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `display_node` [INFO] [stdout] --> src/treeee.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | fn display_node(node : &Node, depth: i32) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `insert` [INFO] [stdout] --> src/four.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn insert<'a>(c : &mut Collection<'a>, e : Box>) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `a` [INFO] [stdout] --> src/four.rs:17:4 [INFO] [stdout] | [INFO] [stdout] 17 | fn a<'a>() -> Collection<'a> { [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.52s [INFO] running `Command { std: "docker" "inspect" "3c7448a277c6ad3d348a0cdd753628a53170f761c795cd473ccf3c81cdee44d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c7448a277c6ad3d348a0cdd753628a53170f761c795cd473ccf3c81cdee44d7", kill_on_drop: false }` [INFO] [stdout] 3c7448a277c6ad3d348a0cdd753628a53170f761c795cd473ccf3c81cdee44d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ea7516cb222dba7a9b599ebb399b5c88ddf380d137a1599c052cbe18d121b894 [INFO] running `Command { std: "docker" "start" "-a" "ea7516cb222dba7a9b599ebb399b5c88ddf380d137a1599c052cbe18d121b894", kill_on_drop: false }` [INFO] [stderr] Compiling rust-too-many-lists v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.81s [INFO] running `Command { std: "docker" "inspect" "ea7516cb222dba7a9b599ebb399b5c88ddf380d137a1599c052cbe18d121b894", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea7516cb222dba7a9b599ebb399b5c88ddf380d137a1599c052cbe18d121b894", kill_on_drop: false }` [INFO] [stdout] ea7516cb222dba7a9b599ebb399b5c88ddf380d137a1599c052cbe18d121b894 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2a0cc0cb586cce0035428b1dd45583653c38d72790d7419ae0fd8112a0deec32 [INFO] running `Command { std: "docker" "start" "-a" "2a0cc0cb586cce0035428b1dd45583653c38d72790d7419ae0fd8112a0deec32", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_too_many_lists-ac5b457773df1822) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test second::test::basics ... ok [INFO] [stdout] test second::test::into_iter_test ... ok [INFO] [stdout] test second::test::peek_mut_test ... ok [INFO] [stdout] test second::test::peek_test ... ok [INFO] [stdout] test treeee::test::treeee_test ... ok [INFO] [stdout] test four::a_test ... ok [INFO] [stdout] test first::test::basics ... ok [INFO] [stdout] test second::test::iter ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "2a0cc0cb586cce0035428b1dd45583653c38d72790d7419ae0fd8112a0deec32", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a0cc0cb586cce0035428b1dd45583653c38d72790d7419ae0fd8112a0deec32", kill_on_drop: false }` [INFO] [stdout] 2a0cc0cb586cce0035428b1dd45583653c38d72790d7419ae0fd8112a0deec32