[INFO] cloning repository https://github.com/Pungyeon/rusty-lists [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Pungyeon/rusty-lists" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPungyeon%2Frusty-lists", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPungyeon%2Frusty-lists'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7e84440d222e7b6bdb69f05555b9ff4c1f21a9d8 [INFO] testing Pungyeon/rusty-lists against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPungyeon%2Frusty-lists" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Pungyeon/rusty-lists on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Pungyeon/rusty-lists [INFO] finished tweaking git repo https://github.com/Pungyeon/rusty-lists [INFO] tweaked toml for git repo https://github.com/Pungyeon/rusty-lists written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/Pungyeon/rusty-lists already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a37e4d944533fe825b153a30652457f3e996b85cac3c53fd62351d1a8336f8f1 [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" "a37e4d944533fe825b153a30652457f3e996b85cac3c53fd62351d1a8336f8f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a37e4d944533fe825b153a30652457f3e996b85cac3c53fd62351d1a8336f8f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a37e4d944533fe825b153a30652457f3e996b85cac3c53fd62351d1a8336f8f1", kill_on_drop: false }` [INFO] [stdout] a37e4d944533fe825b153a30652457f3e996b85cac3c53fd62351d1a8336f8f1 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 12f5bbbd27107d2091b9c1712d7cd3ea475ac47530bef308d0894d064ac18aaa [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" "12f5bbbd27107d2091b9c1712d7cd3ea475ac47530bef308d0894d064ac18aaa", kill_on_drop: false }` [INFO] [stderr] Compiling rusty-cart v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `super::Stack` [INFO] [stdout] --> src/lists/stack.rs:99:9 [INFO] [stdout] | [INFO] [stdout] 99 | use super::Stack; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::BinaryTree` [INFO] [stdout] --> src/lists/binary.rs:81:9 [INFO] [stdout] | [INFO] [stdout] 81 | use super::BinaryTree; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `elem` [INFO] [stdout] --> src/lists/persistently_linked.rs:33:24 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn tail(&self, elem: T) -> List { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_elem` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `peek` [INFO] [stdout] --> src/lists/stack.rs:27:12 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn peek(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter` [INFO] [stdout] --> src/lists/stack.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 37 | pub fn iter(&self) -> Iter { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter_mut` [INFO] [stdout] --> src/lists/stack.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn iter_mut(&mut self) -> IterMut<'_, T> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `count` [INFO] [stdout] --> src/lists/binary.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn count(self) -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `count` [INFO] [stdout] --> src/lists/binary.rs:49:12 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn count(self) -> usize { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `List` [INFO] [stdout] --> src/lists/persistently_linked.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | pub struct List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/lists/persistently_linked.rs:22:12 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `append` [INFO] [stdout] --> src/lists/persistently_linked.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn append(&self, elem: T) -> List { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `tail` [INFO] [stdout] --> src/lists/persistently_linked.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn tail(&self, elem: T) -> List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `head` [INFO] [stdout] --> src/lists/persistently_linked.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn head(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `iter` [INFO] [stdout] --> src/lists/persistently_linked.rs:45:12 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn iter(&self) -> Iter<'_, T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_tail` [INFO] [stdout] --> src/lists/persistently_linked.rs:73:8 [INFO] [stdout] | [INFO] [stdout] 73 | fn test_tail() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `Command { std: "docker" "inspect" "12f5bbbd27107d2091b9c1712d7cd3ea475ac47530bef308d0894d064ac18aaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "12f5bbbd27107d2091b9c1712d7cd3ea475ac47530bef308d0894d064ac18aaa", kill_on_drop: false }` [INFO] [stdout] 12f5bbbd27107d2091b9c1712d7cd3ea475ac47530bef308d0894d064ac18aaa [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 833b8b7c2f82c414b1ff866dfbd4db142b74ef51bf31ec37be36dd816c0a0d40 [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" "833b8b7c2f82c414b1ff866dfbd4db142b74ef51bf31ec37be36dd816c0a0d40", kill_on_drop: false }` [INFO] [stderr] Compiling rusty-cart v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `elem` [INFO] [stdout] --> src/lists/persistently_linked.rs:33:24 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn tail(&self, elem: T) -> List { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_elem` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `tail` [INFO] [stdout] --> src/lists/persistently_linked.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn tail(&self, elem: T) -> List { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `head` [INFO] [stdout] --> src/lists/persistently_linked.rs:41:12 [INFO] [stdout] | [INFO] [stdout] 41 | pub fn head(&self) -> Option<&T> { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_tail` [INFO] [stdout] --> src/lists/persistently_linked.rs:73:8 [INFO] [stdout] | [INFO] [stdout] 73 | fn test_tail() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.00s [INFO] running `Command { std: "docker" "inspect" "833b8b7c2f82c414b1ff866dfbd4db142b74ef51bf31ec37be36dd816c0a0d40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "833b8b7c2f82c414b1ff866dfbd4db142b74ef51bf31ec37be36dd816c0a0d40", kill_on_drop: false }` [INFO] [stdout] 833b8b7c2f82c414b1ff866dfbd4db142b74ef51bf31ec37be36dd816c0a0d40 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 665e5ad078893252dcc4b08da8bcddb366342c97fe39d3aeb4ee97b7ffc7704e [INFO] running `Command { std: "docker" "start" "-a" "665e5ad078893252dcc4b08da8bcddb366342c97fe39d3aeb4ee97b7ffc7704e", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `elem` [INFO] [stderr] --> src/lists/persistently_linked.rs:33:24 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn tail(&self, elem: T) -> List { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_elem` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `tail` [INFO] [stderr] --> src/lists/persistently_linked.rs:33:12 [INFO] [stderr] | [INFO] [stderr] 33 | pub fn tail(&self, elem: T) -> List { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `head` [INFO] [stderr] --> src/lists/persistently_linked.rs:41:12 [INFO] [stderr] | [INFO] [stderr] 41 | pub fn head(&self) -> Option<&T> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_tail` [INFO] [stderr] --> src/lists/persistently_linked.rs:73:8 [INFO] [stderr] | [INFO] [stderr] 73 | fn test_tail() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `rusty-cart` (bin "rusty-cart" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rusty_cart-91562872dfb98791) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test lists::binary::test::test_binary_tree_count ... ok [INFO] [stdout] test lists::stack::test::iter ... ok [INFO] [stdout] test lists::persistently_linked::test::test_append ... ok [INFO] [stdout] test lists::stack::test::into_iter ... ok [INFO] [stdout] test lists::stack::test::push_pop ... ok [INFO] [stdout] test lists::stack::test::mut_iter ... ok [INFO] [stdout] test lists::stack::test::peek ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "665e5ad078893252dcc4b08da8bcddb366342c97fe39d3aeb4ee97b7ffc7704e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "665e5ad078893252dcc4b08da8bcddb366342c97fe39d3aeb4ee97b7ffc7704e", kill_on_drop: false }` [INFO] [stdout] 665e5ad078893252dcc4b08da8bcddb366342c97fe39d3aeb4ee97b7ffc7704e