[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] checking sbwtw/RBTree against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsbwtw%2FRBTree" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sbwtw/RBTree on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "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-5/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "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] 825c47b71532cb7ec730e981d7fda493832636b9e0f1a178872cf1d13c2c206b [INFO] running `Command { std: "docker" "start" "-a" "825c47b71532cb7ec730e981d7fda493832636b9e0f1a178872cf1d13c2c206b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "825c47b71532cb7ec730e981d7fda493832636b9e0f1a178872cf1d13c2c206b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "825c47b71532cb7ec730e981d7fda493832636b9e0f1a178872cf1d13c2c206b", kill_on_drop: false }` [INFO] [stdout] 825c47b71532cb7ec730e981d7fda493832636b9e0f1a178872cf1d13c2c206b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cea91362e1c5c8f87c3df71312a793da9b3a13b397cad1cc677b5fddcd44a3ad [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" "cea91362e1c5c8f87c3df71312a793da9b3a13b397cad1cc677b5fddcd44a3ad", kill_on_drop: false }` [INFO] [stderr] Checking 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: 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] [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] [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] [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] [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] [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] [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] [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 0.54s [INFO] running `Command { std: "docker" "inspect" "cea91362e1c5c8f87c3df71312a793da9b3a13b397cad1cc677b5fddcd44a3ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cea91362e1c5c8f87c3df71312a793da9b3a13b397cad1cc677b5fddcd44a3ad", kill_on_drop: false }` [INFO] [stdout] cea91362e1c5c8f87c3df71312a793da9b3a13b397cad1cc677b5fddcd44a3ad