[INFO] cloning repository https://github.com/EliKor/rust_stuff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EliKor/rust_stuff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEliKor%2Frust_stuff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEliKor%2Frust_stuff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8aa6b49d96ac6ae2bef310f3f8233255492ed47
[INFO] testing EliKor/rust_stuff against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEliKor%2Frust_stuff" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EliKor/rust_stuff on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/EliKor/rust_stuff
[INFO] finished tweaking git repo https://github.com/EliKor/rust_stuff
[INFO] tweaked toml for git repo https://github.com/EliKor/rust_stuff written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/EliKor/rust_stuff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] c59ab50f51112a81c10f874b7f6d24de9d111314dac9d2bf254e69a5e2069322
[INFO] running `Command { std: "docker" "start" "-a" "c59ab50f51112a81c10f874b7f6d24de9d111314dac9d2bf254e69a5e2069322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c59ab50f51112a81c10f874b7f6d24de9d111314dac9d2bf254e69a5e2069322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c59ab50f51112a81c10f874b7f6d24de9d111314dac9d2bf254e69a5e2069322", kill_on_drop: false }`
[INFO] [stdout] c59ab50f51112a81c10f874b7f6d24de9d111314dac9d2bf254e69a5e2069322
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f4ad1d900883da6333f7d778704ead71375740e3d483705026b0e22005ea450
[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" "9f4ad1d900883da6333f7d778704ead71375740e3d483705026b0e22005ea450", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_stuff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `val`
[INFO] [stdout]  --> src/binary_tree_path.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     val: u32,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `left`
[INFO] [stdout]  --> src/binary_tree_path.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     left: Option<Box<TreeNode>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `right`
[INFO] [stdout]  --> src/binary_tree_path.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     right: Option<Box<TreeNode>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/binary_tree_path.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new(val: u32, left: Option<Box<TreeNode>>, right: Option<Box<TreeNode>>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `longest_path`
[INFO] [stdout]   --> src/binary_tree_path.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn longest_path(root: Option<Box<TreeNode>>, max_len: &mut u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `median`
[INFO] [stdout]  --> src/median_list.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub median: Option<u32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `min_heap`
[INFO] [stdout]  --> src/median_list.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     min_heap: BinaryHeap<Reverse<u32>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_heap`
[INFO] [stdout]  --> src/median_list.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     max_heap: BinaryHeap<u32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/median_list.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> src/median_list.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn insert(&mut self, x: u32) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_median`
[INFO] [stdout]   --> src/median_list.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn get_median(&self) -> Option<f32> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "9f4ad1d900883da6333f7d778704ead71375740e3d483705026b0e22005ea450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f4ad1d900883da6333f7d778704ead71375740e3d483705026b0e22005ea450", kill_on_drop: false }`
[INFO] [stdout] 9f4ad1d900883da6333f7d778704ead71375740e3d483705026b0e22005ea450
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", 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] 8df582fb4e7f6501a339cfe0d281600b9d23e287fd4fc4c5b93a0a31d019b865
[INFO] running `Command { std: "docker" "start" "-a" "8df582fb4e7f6501a339cfe0d281600b9d23e287fd4fc4c5b93a0a31d019b865", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `val`
[INFO] [stdout]  --> src/binary_tree_path.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     val: u32,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rust_stuff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `left`
[INFO] [stdout]  --> src/binary_tree_path.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     left: Option<Box<TreeNode>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `right`
[INFO] [stdout]  --> src/binary_tree_path.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     right: Option<Box<TreeNode>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/binary_tree_path.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn new(val: u32, left: Option<Box<TreeNode>>, right: Option<Box<TreeNode>>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `longest_path`
[INFO] [stdout]   --> src/binary_tree_path.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn longest_path(root: Option<Box<TreeNode>>, max_len: &mut u32) -> u32 {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `median`
[INFO] [stdout]  --> src/median_list.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub median: Option<u32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `min_heap`
[INFO] [stdout]  --> src/median_list.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     min_heap: BinaryHeap<Reverse<u32>>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `max_heap`
[INFO] [stdout]  --> src/median_list.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     max_heap: BinaryHeap<u32>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/median_list.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `insert`
[INFO] [stdout]   --> src/median_list.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn insert(&mut self, x: u32) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_median`
[INFO] [stdout]   --> src/median_list.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn get_median(&self) -> Option<f32> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `val`
[INFO] [stdout]  --> src/binary_tree_path.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     val: u32,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "8df582fb4e7f6501a339cfe0d281600b9d23e287fd4fc4c5b93a0a31d019b865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8df582fb4e7f6501a339cfe0d281600b9d23e287fd4fc4c5b93a0a31d019b865", kill_on_drop: false }`
[INFO] [stdout] 8df582fb4e7f6501a339cfe0d281600b9d23e287fd4fc4c5b93a0a31d019b865
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", 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] 23e9fa627c5ce04123e5af2201164867ec111420f67eac3ac46e1459678d8b9f
[INFO] running `Command { std: "docker" "start" "-a" "23e9fa627c5ce04123e5af2201164867ec111420f67eac3ac46e1459678d8b9f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: field is never read: `val`
[INFO] [stdout] running 2 tests
[INFO] [stderr]  --> src/binary_tree_path.rs:5:5
[INFO] [stdout] test binary_tree_path::test::general_test ... ok
[INFO] [stderr]   |
[INFO] [stderr] 5 |     val: u32,
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `left`
[INFO] [stderr]  --> src/binary_tree_path.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     left: Option<Box<TreeNode>>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `right`
[INFO] [stderr]  --> src/binary_tree_path.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     right: Option<Box<TreeNode>>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/binary_tree_path.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn new(val: u32, left: Option<Box<TreeNode>>, right: Option<Box<TreeNode>>) -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `longest_path`
[INFO] [stderr]   --> src/binary_tree_path.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn longest_path(root: Option<Box<TreeNode>>, max_len: &mut u32) -> u32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `median`
[INFO] [stderr]  --> src/median_list.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     pub median: Option<u32>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `min_heap`
[INFO] [stderr]  --> src/median_list.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     min_heap: BinaryHeap<Reverse<u32>>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `max_heap`
[INFO] [stderr]  --> src/median_list.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     max_heap: BinaryHeap<u32>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/median_list.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `insert`
[INFO] [stderr]   --> src/median_list.rs:20:12
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn insert(&mut self, x: u32) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_median`
[INFO] [stderr]   --> src/median_list.rs:61:12
[INFO] [stderr]    |
[INFO] [stderr] 61 |     pub fn get_median(&self) -> Option<f32> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_stuff` (lib) generated 11 warnings
[INFO] [stderr] warning: `rust_stuff` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_stuff-a30bff87294329ee)
[INFO] [stdout] test median_list::test::general_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_stuff
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "23e9fa627c5ce04123e5af2201164867ec111420f67eac3ac46e1459678d8b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23e9fa627c5ce04123e5af2201164867ec111420f67eac3ac46e1459678d8b9f", kill_on_drop: false }`
[INFO] [stdout] 23e9fa627c5ce04123e5af2201164867ec111420f67eac3ac46e1459678d8b9f