[INFO] cloning repository https://github.com/sbwtw/RBTree [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sbwtw/RBTree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbwtw%2FRBTree", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbwtw%2FRBTree'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ab8c988a7cb8a70dbbae4e8589e805bafdfc2f49 [INFO] testing sbwtw/RBTree against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbwtw%2FRBTree" "/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/sbwtw/RBTree on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sbwtw/RBTree [INFO] finished tweaking git repo https://github.com/sbwtw/RBTree [INFO] tweaked toml for git repo https://github.com/sbwtw/RBTree written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/sbwtw/RBTree already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] d2ce039fdd48da71198caa3283c89b5c9af39320fa339acaf945067e5c972a90 [INFO] running `Command { std: "docker" "start" "-a" "d2ce039fdd48da71198caa3283c89b5c9af39320fa339acaf945067e5c972a90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d2ce039fdd48da71198caa3283c89b5c9af39320fa339acaf945067e5c972a90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2ce039fdd48da71198caa3283c89b5c9af39320fa339acaf945067e5c972a90", kill_on_drop: false }` [INFO] [stdout] d2ce039fdd48da71198caa3283c89b5c9af39320fa339acaf945067e5c972a90 [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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", 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] 27b8886578ffe6fbd3ea447bce2d2b79a969c803dd1f11f77dc3796f1370a555 [INFO] running `Command { std: "docker" "start" "-a" "27b8886578ffe6fbd3ea447bce2d2b79a969c803dd1f11f77dc3796f1370a555", kill_on_drop: false }` [INFO] [stderr] Compiling rbtree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:151:1 [INFO] [stdout] | [INFO] [stdout] 151 | / /// [INFO] [stdout] 152 | | /// 123 -> "1234" [INFO] [stdout] 153 | | /// / \ [INFO] [stdout] 154 | | /// 120 -> "120" 126 -> "126" [INFO] [stdout] 155 | | /// [INFO] [stdout] | |_--^ [INFO] [stdout] | | [INFO] [stdout] | rustdoc does not generate documentation for macro invocations [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Red` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | Red, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `RBColor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Left` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | Left, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Direction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 11 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Right` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | Right, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Direction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 11 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `ensure_root_black` [INFO] [stdout] --> src/main.rs:79:4 [INFO] [stdout] | [INFO] [stdout] 79 | fn ensure_root_black(root: &mut OptNode) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `insert_n` [INFO] [stdout] --> src/main.rs:85:4 [INFO] [stdout] | [INFO] [stdout] 85 | fn insert_n(root: &mut OptNode, key: K, value: V) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_color` [INFO] [stdout] --> src/main.rs:120:8 [INFO] [stdout] | [INFO] [stdout] 120 | fn set_color(&mut self, color: RBColor) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.81s [INFO] running `Command { std: "docker" "inspect" "27b8886578ffe6fbd3ea447bce2d2b79a969c803dd1f11f77dc3796f1370a555", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "27b8886578ffe6fbd3ea447bce2d2b79a969c803dd1f11f77dc3796f1370a555", kill_on_drop: false }` [INFO] [stdout] 27b8886578ffe6fbd3ea447bce2d2b79a969c803dd1f11f77dc3796f1370a555 [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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", 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] ea0180b087ee03a3cec5ec6783cf43e2093570f1f1722f229d0661dc5b25c2a7 [INFO] running `Command { std: "docker" "start" "-a" "ea0180b087ee03a3cec5ec6783cf43e2093570f1f1722f229d0661dc5b25c2a7", kill_on_drop: false }` [INFO] [stderr] Compiling rbtree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused doc comment [INFO] [stdout] --> src/main.rs:151:1 [INFO] [stdout] | [INFO] [stdout] 151 | / /// [INFO] [stdout] 152 | | /// 123 -> "1234" [INFO] [stdout] 153 | | /// / \ [INFO] [stdout] 154 | | /// 120 -> "120" 126 -> "126" [INFO] [stdout] 155 | | /// [INFO] [stdout] | |_--^ [INFO] [stdout] | | [INFO] [stdout] | rustdoc does not generate documentation for macro invocations [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stdout] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Red` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | Red, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `RBColor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Left` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | Left, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Direction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 11 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Right` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | Right, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Direction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/main.rs:11:10 [INFO] [stdout] | [INFO] [stdout] 11 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `ensure_root_black` [INFO] [stdout] --> src/main.rs:79:4 [INFO] [stdout] | [INFO] [stdout] 79 | fn ensure_root_black(root: &mut OptNode) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `insert_n` [INFO] [stdout] --> src/main.rs:85:4 [INFO] [stdout] | [INFO] [stdout] 85 | fn insert_n(root: &mut OptNode, key: K, value: V) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `set_color` [INFO] [stdout] --> src/main.rs:120:8 [INFO] [stdout] | [INFO] [stdout] 120 | fn set_color(&mut self, color: RBColor) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.84s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rbtree-fdfe310adf48c973) [INFO] running `Command { std: "docker" "inspect" "ea0180b087ee03a3cec5ec6783cf43e2093570f1f1722f229d0661dc5b25c2a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea0180b087ee03a3cec5ec6783cf43e2093570f1f1722f229d0661dc5b25c2a7", kill_on_drop: false }` [INFO] [stdout] ea0180b087ee03a3cec5ec6783cf43e2093570f1f1722f229d0661dc5b25c2a7 [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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 831a8a0c315fe023af24bc984a71adaf6c933785fbf3f35ed35e18039ded4d84 [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" "831a8a0c315fe023af24bc984a71adaf6c933785fbf3f35ed35e18039ded4d84", kill_on_drop: false }` [INFO] [stderr] warning: unused doc comment [INFO] [stderr] --> src/main.rs:151:1 [INFO] [stderr] | [INFO] [stderr] 151 | / /// [INFO] [stderr] 152 | | /// 123 -> "1234" [INFO] [stderr] 153 | | /// / \ [INFO] [stderr] 154 | | /// 120 -> "120" 126 -> "126" [INFO] [stderr] 155 | | /// [INFO] [stderr] | |_--^ [INFO] [stderr] | | [INFO] [stderr] | rustdoc does not generate documentation for macro invocations [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_doc_comments)]` on by default [INFO] [stderr] = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Red` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | Red, [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `RBColor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:5:10 [INFO] [stderr] | [INFO] [stderr] 5 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Left` [INFO] [stderr] --> src/main.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | Left, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Direction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:11:10 [INFO] [stderr] | [INFO] [stderr] 11 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Right` [INFO] [stderr] --> src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | Right, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Direction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/main.rs:11:10 [INFO] [stderr] | [INFO] [stderr] 11 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: function is never used: `ensure_root_black` [INFO] [stderr] --> src/main.rs:79:4 [INFO] [stderr] | [INFO] [stderr] 79 | fn ensure_root_black(root: &mut OptNode) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `insert_n` [INFO] [stderr] --> src/main.rs:85:4 [INFO] [stderr] | [INFO] [stderr] 85 | fn insert_n(root: &mut OptNode, key: K, value: V) -> Option { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `set_color` [INFO] [stderr] --> src/main.rs:120:8 [INFO] [stderr] | [INFO] [stderr] 120 | fn set_color(&mut self, color: RBColor) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `rbtree` (bin "rbtree" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rbtree-fdfe310adf48c973) [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" "831a8a0c315fe023af24bc984a71adaf6c933785fbf3f35ed35e18039ded4d84", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "831a8a0c315fe023af24bc984a71adaf6c933785fbf3f35ed35e18039ded4d84", kill_on_drop: false }` [INFO] [stdout] 831a8a0c315fe023af24bc984a71adaf6c933785fbf3f35ed35e18039ded4d84