[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 master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshiroyasha%2Frust-too-many-lists" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shiroyasha/rust-too-many-lists on toolchain b70888601af92f6cdc0364abab3446e418b91d36 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-6/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9a3b39b45c1d90c51ec6cd919c3d8566d0ef1b9e7fac993ff9084543467df25d [INFO] running `Command { std: "docker" "start" "-a" "9a3b39b45c1d90c51ec6cd919c3d8566d0ef1b9e7fac993ff9084543467df25d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9a3b39b45c1d90c51ec6cd919c3d8566d0ef1b9e7fac993ff9084543467df25d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a3b39b45c1d90c51ec6cd919c3d8566d0ef1b9e7fac993ff9084543467df25d", kill_on_drop: false }` [INFO] [stdout] 9a3b39b45c1d90c51ec6cd919c3d8566d0ef1b9e7fac993ff9084543467df25d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c848fbd2cc8d6df0dad8b17ab532ed982235917bcf2b0bfece6b5d564c1b619f [INFO] running `Command { std: "docker" "start" "-a" "c848fbd2cc8d6df0dad8b17ab532ed982235917bcf2b0bfece6b5d564c1b619f", 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 0.43s [INFO] running `Command { std: "docker" "inspect" "c848fbd2cc8d6df0dad8b17ab532ed982235917bcf2b0bfece6b5d564c1b619f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c848fbd2cc8d6df0dad8b17ab532ed982235917bcf2b0bfece6b5d564c1b619f", kill_on_drop: false }` [INFO] [stdout] c848fbd2cc8d6df0dad8b17ab532ed982235917bcf2b0bfece6b5d564c1b619f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4dbcbef34553000b6da139facd88a6ff3c635383b6b4a2dbbf9f5f148aeae97e [INFO] running `Command { std: "docker" "start" "-a" "4dbcbef34553000b6da139facd88a6ff3c635383b6b4a2dbbf9f5f148aeae97e", 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 0.86s [INFO] running `Command { std: "docker" "inspect" "4dbcbef34553000b6da139facd88a6ff3c635383b6b4a2dbbf9f5f148aeae97e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4dbcbef34553000b6da139facd88a6ff3c635383b6b4a2dbbf9f5f148aeae97e", kill_on_drop: false }` [INFO] [stdout] 4dbcbef34553000b6da139facd88a6ff3c635383b6b4a2dbbf9f5f148aeae97e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] dde34e6ebebc9b0b2670aaea782c12bf218c49c80d1cbd9db694357e9c233126 [INFO] running `Command { std: "docker" "start" "-a" "dde34e6ebebc9b0b2670aaea782c12bf218c49c80d1cbd9db694357e9c233126", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_too_many_lists-ac5b457773df1822) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test first::test::basics ... ok [INFO] [stdout] test four::a_test ... ok [INFO] [stdout] test second::test::peek_test ... ok [INFO] [stdout] test second::test::peek_mut_test ... ok [INFO] [stdout] test second::test::iter ... ok [INFO] [stdout] test second::test::into_iter_test ... ok [INFO] [stdout] test second::test::basics ... ok [INFO] [stdout] test treeee::test::treeee_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "dde34e6ebebc9b0b2670aaea782c12bf218c49c80d1cbd9db694357e9c233126", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dde34e6ebebc9b0b2670aaea782c12bf218c49c80d1cbd9db694357e9c233126", kill_on_drop: false }` [INFO] [stdout] dde34e6ebebc9b0b2670aaea782c12bf218c49c80d1cbd9db694357e9c233126