[INFO] cloning repository https://github.com/mi-wada/rust99 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mi-wada/rust99" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmi-wada%2Frust99", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmi-wada%2Frust99'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e11f95fb65ca2d3a0cb138200dee57b525930970 [INFO] checking mi-wada/rust99 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmi-wada%2Frust99" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mi-wada/rust99 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mi-wada/rust99 [INFO] finished tweaking git repo https://github.com/mi-wada/rust99 [INFO] tweaked toml for git repo https://github.com/mi-wada/rust99 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mi-wada/rust99 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.102 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d0113807fd472a0a18405d903fefa48d824ec080dce17931bbd92346b2ca7211 [INFO] running `Command { std: "docker" "start" "-a" "d0113807fd472a0a18405d903fefa48d824ec080dce17931bbd92346b2ca7211", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d0113807fd472a0a18405d903fefa48d824ec080dce17931bbd92346b2ca7211", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0113807fd472a0a18405d903fefa48d824ec080dce17931bbd92346b2ca7211", kill_on_drop: false }` [INFO] [stdout] d0113807fd472a0a18405d903fefa48d824ec080dce17931bbd92346b2ca7211 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1e03cf1a5b151b66cf2081a06072d37a363e65cf2803b212bc5ec98341a2d613 [INFO] running `Command { std: "docker" "start" "-a" "1e03cf1a5b151b66cf2081a06072d37a363e65cf2803b212bc5ec98341a2d613", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking rust99 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `node_count`, `leaf_count`, and `is_mirror_of` are never used [INFO] [stdout] --> src/main.rs:1043:8 [INFO] [stdout] | [INFO] [stdout] 1042 | impl Tree { [INFO] [stdout] | ----------------------------- methods in this implementation [INFO] [stdout] 1043 | fn node_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 1053 | fn leaf_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 1066 | fn is_mirror_of(&self, other: &Tree) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated functions `node`, `leaf`, and `end` are never used [INFO] [stdout] --> src/main.rs:1089:8 [INFO] [stdout] | [INFO] [stdout] 1088 | impl Tree { [INFO] [stdout] | ----------------------------- associated functions in this implementation [INFO] [stdout] 1089 | fn node(value: T, left: Tree, right: Tree) -> Tree { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 1097 | fn leaf(value: T) -> Tree { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 1105 | fn end() -> Tree { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `li` [INFO] [stdout] --> src/main.rs:463:13 [INFO] [stdout] | [INFO] [stdout] 463 | let li = vec!['a', 'b', 'c', 'd', 'e']; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_li` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `groups` [INFO] [stdout] --> src/main.rs:533:13 [INFO] [stdout] | [INFO] [stdout] 533 | let groups = group3(&li); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_groups` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `balanced_symbetric_trees` [INFO] [stdout] --> src/main.rs:912:13 [INFO] [stdout] | [INFO] [stdout] 912 | let balanced_symbetric_trees: Vec> = balanced_trees(5, 'x') [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_balanced_symbetric_trees` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `height` [INFO] [stdout] --> src/main.rs:978:27 [INFO] [stdout] | [INFO] [stdout] 978 | fn min_hbal_nodes(height: usize) -> usize { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_height` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `p12` is never used [INFO] [stdout] --> src/main.rs:230:8 [INFO] [stdout] | [INFO] [stdout] 230 | fn p12() { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `combinations` is never used [INFO] [stdout] --> src/main.rs:464:12 [INFO] [stdout] | [INFO] [stdout] 464 | fn combinations(k: usize, li: &[T]) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `p29` is never used [INFO] [stdout] --> src/main.rs:568:8 [INFO] [stdout] | [INFO] [stdout] 568 | fn p29() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `is_prime` are never used [INFO] [stdout] --> src/main.rs:575:16 [INFO] [stdout] | [INFO] [stdout] 574 | impl PrimeJudgement { [INFO] [stdout] | ------------------- associated items in this implementation [INFO] [stdout] 575 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 581 | fn is_prime(&mut self, n: usize) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `cbal_trees` is never used [INFO] [stdout] --> src/main.rs:778:12 [INFO] [stdout] | [INFO] [stdout] 778 | fn cbal_trees(n: usize, symbol: char) -> Vec> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `from_list` is never used [INFO] [stdout] --> src/main.rs:854:12 [INFO] [stdout] | [INFO] [stdout] 854 | fn from_list(v: &Vec) -> Tree { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.20s [INFO] running `Command { std: "docker" "inspect" "1e03cf1a5b151b66cf2081a06072d37a363e65cf2803b212bc5ec98341a2d613", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e03cf1a5b151b66cf2081a06072d37a363e65cf2803b212bc5ec98341a2d613", kill_on_drop: false }` [INFO] [stdout] 1e03cf1a5b151b66cf2081a06072d37a363e65cf2803b212bc5ec98341a2d613