[INFO] cloning repository https://github.com/shakyShane/dsa [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shakyShane/dsa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshakyShane%2Fdsa", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshakyShane%2Fdsa'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 11e0aaa299cace58592011852945d2fe53b23555 [INFO] testing shakyShane/dsa against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FshakyShane%2Fdsa" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shakyShane/dsa on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shakyShane/dsa [INFO] finished tweaking git repo https://github.com/shakyShane/dsa [INFO] tweaked toml for git repo https://github.com/shakyShane/dsa written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/shakyShane/dsa already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 71cdf4728ca81421b6964b65213a0d6699c5bbc93fab718428be960f9b4d781b [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" "71cdf4728ca81421b6964b65213a0d6699c5bbc93fab718428be960f9b4d781b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "71cdf4728ca81421b6964b65213a0d6699c5bbc93fab718428be960f9b4d781b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71cdf4728ca81421b6964b65213a0d6699c5bbc93fab718428be960f9b4d781b", kill_on_drop: false }` [INFO] [stdout] 71cdf4728ca81421b6964b65213a0d6699c5bbc93fab718428be960f9b4d781b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9f151803dd7b4b9f47cf817f2d926eda1dcf8f3f79456cb921ad70c2216062d8 [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" "9f151803dd7b4b9f47cf817f2d926eda1dcf8f3f79456cb921ad70c2216062d8", kill_on_drop: false }` [INFO] [stderr] Compiling dsa v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `binary_search` [INFO] [stdout] --> src/binary_search.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn binary_search(k: i32, items: &Vec) -> Option { [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: `new` [INFO] [stdout] --> src/unival_subtrees.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn new(value: impl Into, left: Option>, right: Option>) -> Node { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `count_unival_subtrees` [INFO] [stdout] --> src/unival_subtrees.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn count_unival_subtrees(root: &Option>) -> (usize, bool) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/serialize_tree.rs:9:12 [INFO] [stdout] | [INFO] [stdout] 9 | pub fn new(value: impl Into, left: Option>, right: Option>) -> Node { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `serialize` [INFO] [stdout] --> src/serialize_tree.rs:25:12 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn serialize(root: &Option>) -> String { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Tree` [INFO] [stdout] --> src/serialize_tree.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | struct Tree { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `deserialize` [INFO] [stdout] --> src/serialize_tree.rs:51:12 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn deserialize(&mut self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_str` [INFO] [stdout] --> src/serialize_tree.rs:61:12 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn from_str(input: impl Into) -> Tree { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.61s [INFO] running `Command { std: "docker" "inspect" "9f151803dd7b4b9f47cf817f2d926eda1dcf8f3f79456cb921ad70c2216062d8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f151803dd7b4b9f47cf817f2d926eda1dcf8f3f79456cb921ad70c2216062d8", kill_on_drop: false }` [INFO] [stdout] 9f151803dd7b4b9f47cf817f2d926eda1dcf8f3f79456cb921ad70c2216062d8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8f0da991b07cee306b606836912a946fd144787f1f73208908d1ed7f9ebf1686 [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" "8f0da991b07cee306b606836912a946fd144787f1f73208908d1ed7f9ebf1686", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling dsa v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `root` [INFO] [stdout] --> src/serialize_tree.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | let root = Node::new("1", [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.99s [INFO] running `Command { std: "docker" "inspect" "8f0da991b07cee306b606836912a946fd144787f1f73208908d1ed7f9ebf1686", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f0da991b07cee306b606836912a946fd144787f1f73208908d1ed7f9ebf1686", kill_on_drop: false }` [INFO] [stdout] 8f0da991b07cee306b606836912a946fd144787f1f73208908d1ed7f9ebf1686 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 18658371af790b2e74fdf2129f94a0e65fb858d190da41cd69064fe773c43f09 [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" "18658371af790b2e74fdf2129f94a0e65fb858d190da41cd69064fe773c43f09", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `root` [INFO] [stderr] --> src/serialize_tree.rs:72:9 [INFO] [stderr] | [INFO] [stderr] 72 | let root = Node::new("1", [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_root` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/dsa-734e1a9513359ee3 [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test serialize_tree::test_deserialize ... ok [INFO] [stdout] test unival_subtrees::test_count_unival_subtrees ... ok [INFO] [stdout] test serialize_tree::test_serialize_deserialize ... ok [INFO] [stdout] test binary_search::test_binary_search ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "18658371af790b2e74fdf2129f94a0e65fb858d190da41cd69064fe773c43f09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18658371af790b2e74fdf2129f94a0e65fb858d190da41cd69064fe773c43f09", kill_on_drop: false }` [INFO] [stdout] 18658371af790b2e74fdf2129f94a0e65fb858d190da41cd69064fe773c43f09