[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#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmi-wada%2Frust99" "/workspace/builds/worker-66/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-66/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mi-wada/rust99 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-66/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: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--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-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 00d4d234fca815be3d3f0cb5b8e957ec61f2acd1e82a89ee6a7b6262f685edcc [INFO] running `Command { std: "docker" "start" "-a" "00d4d234fca815be3d3f0cb5b8e957ec61f2acd1e82a89ee6a7b6262f685edcc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "00d4d234fca815be3d3f0cb5b8e957ec61f2acd1e82a89ee6a7b6262f685edcc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "00d4d234fca815be3d3f0cb5b8e957ec61f2acd1e82a89ee6a7b6262f685edcc", kill_on_drop: false }` [INFO] [stdout] 00d4d234fca815be3d3f0cb5b8e957ec61f2acd1e82a89ee6a7b6262f685edcc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a47495f810ac1bf0cc529b202e316e778fdbe37ef7c1baf734a11e7a2353e08b [INFO] running `Command { std: "docker" "start" "-a" "a47495f810ac1bf0cc529b202e316e778fdbe37ef7c1baf734a11e7a2353e08b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.102 [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: associated function is never used: `node_count` [INFO] [stdout] --> src/main.rs:1043:8 [INFO] [stdout] | [INFO] [stdout] 1043 | fn node_count(&self) -> usize { [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: `leaf_count` [INFO] [stdout] --> src/main.rs:1053:8 [INFO] [stdout] | [INFO] [stdout] 1053 | fn leaf_count(&self) -> usize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_mirror_of` [INFO] [stdout] --> src/main.rs:1066:8 [INFO] [stdout] | [INFO] [stdout] 1066 | fn is_mirror_of(&self, other: &Tree) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `node` [INFO] [stdout] --> src/main.rs:1089:8 [INFO] [stdout] | [INFO] [stdout] 1089 | fn node(value: T, left: Tree, right: Tree) -> Tree { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `leaf` [INFO] [stdout] --> src/main.rs:1097:8 [INFO] [stdout] | [INFO] [stdout] 1097 | fn leaf(value: T) -> Tree { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `end` [INFO] [stdout] --> src/main.rs:1105:8 [INFO] [stdout] | [INFO] [stdout] 1105 | fn end() -> Tree { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 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 is never used: `p12` [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 is never used: `combinations` [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 is never used: `p29` [INFO] [stdout] --> src/main.rs:568:8 [INFO] [stdout] | [INFO] [stdout] 568 | fn p29() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `cbal_trees` [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 is never used: `from_list` [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: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.24s [INFO] running `Command { std: "docker" "inspect" "a47495f810ac1bf0cc529b202e316e778fdbe37ef7c1baf734a11e7a2353e08b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a47495f810ac1bf0cc529b202e316e778fdbe37ef7c1baf734a11e7a2353e08b", kill_on_drop: false }` [INFO] [stdout] a47495f810ac1bf0cc529b202e316e778fdbe37ef7c1baf734a11e7a2353e08b