[INFO] cloning repository https://github.com/jramos14/Binary-Search-Tree [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jramos14/Binary-Search-Tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjramos14%2FBinary-Search-Tree"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjramos14%2FBinary-Search-Tree'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8c5598a68c35fb07150343623512accd0811a259 [INFO] testing jramos14/Binary-Search-Tree against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjramos14%2FBinary-Search-Tree" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jramos14/Binary-Search-Tree on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/jramos14/Binary-Search-Tree [INFO] finished tweaking git repo https://github.com/jramos14/Binary-Search-Tree [INFO] tweaked toml for git repo https://github.com/jramos14/Binary-Search-Tree written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/jramos14/Binary-Search-Tree already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 088cf187f211a0ce3ea94a6dd881c8a30a0c29e714e97946c5c163f946e14d4b [INFO] running `"docker" "start" "-a" "088cf187f211a0ce3ea94a6dd881c8a30a0c29e714e97946c5c163f946e14d4b"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling your v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:228:29 [INFO] [stderr] | [INFO] [stderr] 228 | let mut result : &mut Vec<&'a T> = &mut left_node.preorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:247:29 [INFO] [stderr] | [INFO] [stderr] 247 | let mut result : &mut Vec<&'a T> = &mut right_node.preorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:277:21 [INFO] [stderr] | [INFO] [stderr] 277 | let mut result : &mut Vec<&'a T> = &mut left_node.inorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:296:21 [INFO] [stderr] | [INFO] [stderr] 296 | let mut result : &mut Vec<&'a T> = &mut right_node.inorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:318:25 [INFO] [stderr] | [INFO] [stderr] 318 | let mut result : &mut Vec<&'a T> = &mut left_node.postorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:337:25 [INFO] [stderr] | [INFO] [stderr] 337 | let mut result : &mut Vec<&'a T> = &mut right_node.postorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:223:29 [INFO] [stderr] | [INFO] [stderr] 223 | let mut result : &mut Vec<&'a T> = &mut left_node.preorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:242:29 [INFO] [stderr] | [INFO] [stderr] 242 | let mut result : &mut Vec<&'a T> = &mut right_node.preorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:272:21 [INFO] [stderr] | [INFO] [stderr] 272 | let mut result : &mut Vec<&'a T> = &mut left_node.inorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:291:21 [INFO] [stderr] | [INFO] [stderr] 291 | let mut result : &mut Vec<&'a T> = &mut right_node.inorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:313:25 [INFO] [stderr] | [INFO] [stderr] 313 | let mut result : &mut Vec<&'a T> = &mut left_node.postorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:332:25 [INFO] [stderr] | [INFO] [stderr] 332 | let mut result : &mut Vec<&'a T> = &mut right_node.postorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.06s [INFO] running `"docker" "inspect" "088cf187f211a0ce3ea94a6dd881c8a30a0c29e714e97946c5c163f946e14d4b"` [INFO] running `"docker" "rm" "-f" "088cf187f211a0ce3ea94a6dd881c8a30a0c29e714e97946c5c163f946e14d4b"` [INFO] [stdout] 088cf187f211a0ce3ea94a6dd881c8a30a0c29e714e97946c5c163f946e14d4b [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 972c832d55b539d681cdd518d6248f8f2e3c488d65e789a0866da1d115bd357b [INFO] running `"docker" "start" "-a" "972c832d55b539d681cdd518d6248f8f2e3c488d65e789a0866da1d115bd357b"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling your v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:228:29 [INFO] [stderr] | [INFO] [stderr] 228 | let mut result : &mut Vec<&'a T> = &mut left_node.preorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:247:29 [INFO] [stderr] | [INFO] [stderr] 247 | let mut result : &mut Vec<&'a T> = &mut right_node.preorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:277:21 [INFO] [stderr] | [INFO] [stderr] 277 | let mut result : &mut Vec<&'a T> = &mut left_node.inorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:296:21 [INFO] [stderr] | [INFO] [stderr] 296 | let mut result : &mut Vec<&'a T> = &mut right_node.inorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:318:25 [INFO] [stderr] | [INFO] [stderr] 318 | let mut result : &mut Vec<&'a T> = &mut left_node.postorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:337:25 [INFO] [stderr] | [INFO] [stderr] 337 | let mut result : &mut Vec<&'a T> = &mut right_node.postorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:228:29 [INFO] [stderr] | [INFO] [stderr] 228 | let mut result : &mut Vec<&'a T> = &mut left_node.preorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:247:29 [INFO] [stderr] | [INFO] [stderr] 247 | let mut result : &mut Vec<&'a T> = &mut right_node.preorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:277:21 [INFO] [stderr] | [INFO] [stderr] 277 | let mut result : &mut Vec<&'a T> = &mut left_node.inorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:296:21 [INFO] [stderr] | [INFO] [stderr] 296 | let mut result : &mut Vec<&'a T> = &mut right_node.inorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:318:25 [INFO] [stderr] | [INFO] [stderr] 318 | let mut result : &mut Vec<&'a T> = &mut left_node.postorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:337:25 [INFO] [stderr] | [INFO] [stderr] 337 | let mut result : &mut Vec<&'a T> = &mut right_node.postorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:223:29 [INFO] [stderr] | [INFO] [stderr] 223 | let mut result : &mut Vec<&'a T> = &mut left_node.preorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:242:29 [INFO] [stderr] | [INFO] [stderr] 242 | let mut result : &mut Vec<&'a T> = &mut right_node.preorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:272:21 [INFO] [stderr] | [INFO] [stderr] 272 | let mut result : &mut Vec<&'a T> = &mut left_node.inorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:291:21 [INFO] [stderr] | [INFO] [stderr] 291 | let mut result : &mut Vec<&'a T> = &mut right_node.inorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:313:25 [INFO] [stderr] | [INFO] [stderr] 313 | let mut result : &mut Vec<&'a T> = &mut left_node.postorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:332:25 [INFO] [stderr] | [INFO] [stderr] 332 | let mut result : &mut Vec<&'a T> = &mut right_node.postorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.86s [INFO] running `"docker" "inspect" "972c832d55b539d681cdd518d6248f8f2e3c488d65e789a0866da1d115bd357b"` [INFO] running `"docker" "rm" "-f" "972c832d55b539d681cdd518d6248f8f2e3c488d65e789a0866da1d115bd357b"` [INFO] [stdout] 972c832d55b539d681cdd518d6248f8f2e3c488d65e789a0866da1d115bd357b [INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stdout] 5102941a4ac9f0cc9b4edbcf7b2e771c9a75194b7a92ae086cdba79b45ff7968 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "5102941a4ac9f0cc9b4edbcf7b2e771c9a75194b7a92ae086cdba79b45ff7968"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:228:29 [INFO] [stderr] | [INFO] [stderr] 228 | let mut result : &mut Vec<&'a T> = &mut left_node.preorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:247:29 [INFO] [stderr] | [INFO] [stderr] 247 | let mut result : &mut Vec<&'a T> = &mut right_node.preorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:277:21 [INFO] [stderr] | [INFO] [stderr] 277 | let mut result : &mut Vec<&'a T> = &mut left_node.inorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:296:21 [INFO] [stderr] | [INFO] [stderr] 296 | let mut result : &mut Vec<&'a T> = &mut right_node.inorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:318:25 [INFO] [stderr] | [INFO] [stderr] 318 | let mut result : &mut Vec<&'a T> = &mut left_node.postorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:337:25 [INFO] [stderr] | [INFO] [stderr] 337 | let mut result : &mut Vec<&'a T> = &mut right_node.postorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:228:29 [INFO] [stderr] | [INFO] [stderr] 228 | let mut result : &mut Vec<&'a T> = &mut left_node.preorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:247:29 [INFO] [stderr] | [INFO] [stderr] 247 | let mut result : &mut Vec<&'a T> = &mut right_node.preorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:277:21 [INFO] [stderr] | [INFO] [stderr] 277 | let mut result : &mut Vec<&'a T> = &mut left_node.inorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:296:21 [INFO] [stderr] | [INFO] [stderr] 296 | let mut result : &mut Vec<&'a T> = &mut right_node.inorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:318:25 [INFO] [stderr] | [INFO] [stderr] 318 | let mut result : &mut Vec<&'a T> = &mut left_node.postorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:337:25 [INFO] [stderr] | [INFO] [stderr] 337 | let mut result : &mut Vec<&'a T> = &mut right_node.postorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:223:29 [INFO] [stderr] | [INFO] [stderr] 223 | let mut result : &mut Vec<&'a T> = &mut left_node.preorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:242:29 [INFO] [stderr] | [INFO] [stderr] 242 | let mut result : &mut Vec<&'a T> = &mut right_node.preorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:272:21 [INFO] [stderr] | [INFO] [stderr] 272 | let mut result : &mut Vec<&'a T> = &mut left_node.inorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:291:21 [INFO] [stderr] | [INFO] [stderr] 291 | let mut result : &mut Vec<&'a T> = &mut right_node.inorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:313:25 [INFO] [stderr] | [INFO] [stderr] 313 | let mut result : &mut Vec<&'a T> = &mut left_node.postorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:332:25 [INFO] [stderr] | [INFO] [stderr] 332 | let mut result : &mut Vec<&'a T> = &mut right_node.postorder(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/your-bd20ae176490728d [INFO] [stderr] Running /opt/rustwide/target/debug/deps/your-b8e19731f6e92bed [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Doc-tests your [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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 [INFO] [stdout] [INFO] running `"docker" "inspect" "5102941a4ac9f0cc9b4edbcf7b2e771c9a75194b7a92ae086cdba79b45ff7968"` [INFO] running `"docker" "rm" "-f" "5102941a4ac9f0cc9b4edbcf7b2e771c9a75194b7a92ae086cdba79b45ff7968"` [INFO] [stdout] 5102941a4ac9f0cc9b4edbcf7b2e771c9a75194b7a92ae086cdba79b45ff7968