[INFO] cloning repository https://github.com/jramos14/Binary-Search-Tree [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjramos14%2FBinary-Search-Tree'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8c5598a68c35fb07150343623512accd0811a259 [INFO] testing jramos14/Binary-Search-Tree against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjramos14%2FBinary-Search-Tree" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jramos14/Binary-Search-Tree on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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-2/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 55567b6e2f289c13830ff6ae480273f37f9cf754d785d14f6f5aa14f5fa6c962 [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" "55567b6e2f289c13830ff6ae480273f37f9cf754d785d14f6f5aa14f5fa6c962", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "55567b6e2f289c13830ff6ae480273f37f9cf754d785d14f6f5aa14f5fa6c962", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55567b6e2f289c13830ff6ae480273f37f9cf754d785d14f6f5aa14f5fa6c962", kill_on_drop: false }` [INFO] [stdout] 55567b6e2f289c13830ff6ae480273f37f9cf754d785d14f6f5aa14f5fa6c962 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e01281c5d94a13eecc3747fdb27e28ec2d4303da6a8497d08e8a0ff152fce38d [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" "e01281c5d94a13eecc3747fdb27e28ec2d4303da6a8497d08e8a0ff152fce38d", kill_on_drop: false }` [INFO] [stderr] Compiling your v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:228:29 [INFO] [stdout] | [INFO] [stdout] 228 | let mut result : &mut Vec<&'a T> = &mut left_node.preorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:247:29 [INFO] [stdout] | [INFO] [stdout] 247 | let mut result : &mut Vec<&'a T> = &mut right_node.preorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:277:21 [INFO] [stdout] | [INFO] [stdout] 277 | let mut result : &mut Vec<&'a T> = &mut left_node.inorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:296:21 [INFO] [stdout] | [INFO] [stdout] 296 | let mut result : &mut Vec<&'a T> = &mut right_node.inorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:318:25 [INFO] [stdout] | [INFO] [stdout] 318 | let mut result : &mut Vec<&'a T> = &mut left_node.postorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:337:25 [INFO] [stdout] | [INFO] [stdout] 337 | let mut result : &mut Vec<&'a T> = &mut right_node.postorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:223:29 [INFO] [stdout] | [INFO] [stdout] 223 | let mut result : &mut Vec<&'a T> = &mut left_node.preorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:242:29 [INFO] [stdout] | [INFO] [stdout] 242 | let mut result : &mut Vec<&'a T> = &mut right_node.preorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:272:21 [INFO] [stdout] | [INFO] [stdout] 272 | let mut result : &mut Vec<&'a T> = &mut left_node.inorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:291:21 [INFO] [stdout] | [INFO] [stdout] 291 | let mut result : &mut Vec<&'a T> = &mut right_node.inorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:313:25 [INFO] [stdout] | [INFO] [stdout] 313 | let mut result : &mut Vec<&'a T> = &mut left_node.postorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:332:25 [INFO] [stdout] | [INFO] [stdout] 332 | let mut result : &mut Vec<&'a T> = &mut right_node.postorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.08s [INFO] running `Command { std: "docker" "inspect" "e01281c5d94a13eecc3747fdb27e28ec2d4303da6a8497d08e8a0ff152fce38d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e01281c5d94a13eecc3747fdb27e28ec2d4303da6a8497d08e8a0ff152fce38d", kill_on_drop: false }` [INFO] [stdout] e01281c5d94a13eecc3747fdb27e28ec2d4303da6a8497d08e8a0ff152fce38d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c5bfbe2d6ead1eb0efc1b16719da013483926b544f9248567c05d02025fa7c92 [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" "c5bfbe2d6ead1eb0efc1b16719da013483926b544f9248567c05d02025fa7c92", kill_on_drop: false }` [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:228:29 [INFO] [stdout] | [INFO] [stdout] 228 | let mut result : &mut Vec<&'a T> = &mut left_node.preorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling your v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:247:29 [INFO] [stdout] | [INFO] [stdout] 247 | let mut result : &mut Vec<&'a T> = &mut right_node.preorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:277:21 [INFO] [stdout] | [INFO] [stdout] 277 | let mut result : &mut Vec<&'a T> = &mut left_node.inorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:296:21 [INFO] [stdout] | [INFO] [stdout] 296 | let mut result : &mut Vec<&'a T> = &mut right_node.inorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:318:25 [INFO] [stdout] | [INFO] [stdout] 318 | let mut result : &mut Vec<&'a T> = &mut left_node.postorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:337:25 [INFO] [stdout] | [INFO] [stdout] 337 | let mut result : &mut Vec<&'a T> = &mut right_node.postorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:228:29 [INFO] [stdout] | [INFO] [stdout] 228 | let mut result : &mut Vec<&'a T> = &mut left_node.preorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:247:29 [INFO] [stdout] | [INFO] [stdout] 247 | let mut result : &mut Vec<&'a T> = &mut right_node.preorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:277:21 [INFO] [stdout] | [INFO] [stdout] 277 | let mut result : &mut Vec<&'a T> = &mut left_node.inorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:296:21 [INFO] [stdout] | [INFO] [stdout] 296 | let mut result : &mut Vec<&'a T> = &mut right_node.inorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:318:25 [INFO] [stdout] | [INFO] [stdout] 318 | let mut result : &mut Vec<&'a T> = &mut left_node.postorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:337:25 [INFO] [stdout] | [INFO] [stdout] 337 | let mut result : &mut Vec<&'a T> = &mut right_node.postorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:223:29 [INFO] [stdout] | [INFO] [stdout] 223 | let mut result : &mut Vec<&'a T> = &mut left_node.preorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:242:29 [INFO] [stdout] | [INFO] [stdout] 242 | let mut result : &mut Vec<&'a T> = &mut right_node.preorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:272:21 [INFO] [stdout] | [INFO] [stdout] 272 | let mut result : &mut Vec<&'a T> = &mut left_node.inorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:291:21 [INFO] [stdout] | [INFO] [stdout] 291 | let mut result : &mut Vec<&'a T> = &mut right_node.inorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:313:25 [INFO] [stdout] | [INFO] [stdout] 313 | let mut result : &mut Vec<&'a T> = &mut left_node.postorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:332:25 [INFO] [stdout] | [INFO] [stdout] 332 | let mut result : &mut Vec<&'a T> = &mut right_node.postorder(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.03s [INFO] running `Command { std: "docker" "inspect" "c5bfbe2d6ead1eb0efc1b16719da013483926b544f9248567c05d02025fa7c92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5bfbe2d6ead1eb0efc1b16719da013483926b544f9248567c05d02025fa7c92", kill_on_drop: false }` [INFO] [stdout] c5bfbe2d6ead1eb0efc1b16719da013483926b544f9248567c05d02025fa7c92 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4855eff4672cf57fe030263c4b2277b62fdf398487c967c6e6df8da017d316a2 [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" "4855eff4672cf57fe030263c4b2277b62fdf398487c967c6e6df8da017d316a2", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/lib.rs:228:29 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stderr] 228 | let mut result : &mut Vec<&'a T> = &mut left_node.preorder(); [INFO] [stdout] [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-157f73ee3d0b4258 [INFO] [stderr] Running /opt/rustwide/target/debug/deps/your-996c2677899693a0 [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 `Command { std: "docker" "inspect" "4855eff4672cf57fe030263c4b2277b62fdf398487c967c6e6df8da017d316a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4855eff4672cf57fe030263c4b2277b62fdf398487c967c6e6df8da017d316a2", kill_on_drop: false }` [INFO] [stdout] 4855eff4672cf57fe030263c4b2277b62fdf398487c967c6e6df8da017d316a2