[INFO] cloning repository https://github.com/I-have-no-idea-what-I-am-coding/algorithm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/I-have-no-idea-what-I-am-coding/algorithm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FI-have-no-idea-what-I-am-coding%2Falgorithm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FI-have-no-idea-what-I-am-coding%2Falgorithm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b176d9b98d3add8aae78d47e84f7d2b597f9f227
[INFO] testing I-have-no-idea-what-I-am-coding/algorithm against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FI-have-no-idea-what-I-am-coding%2Falgorithm" "/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/I-have-no-idea-what-I-am-coding/algorithm on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/I-have-no-idea-what-I-am-coding/algorithm
[INFO] finished tweaking git repo https://github.com/I-have-no-idea-what-I-am-coding/algorithm
[INFO] tweaked toml for git repo https://github.com/I-have-no-idea-what-I-am-coding/algorithm written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/I-have-no-idea-what-I-am-coding/algorithm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "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] 9fde19bb5f7f2222cad299d2733cb14fa121dccbfeaa47b405b1508e552f28c0
[INFO] running `Command { std: "docker" "start" "-a" "9fde19bb5f7f2222cad299d2733cb14fa121dccbfeaa47b405b1508e552f28c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fde19bb5f7f2222cad299d2733cb14fa121dccbfeaa47b405b1508e552f28c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fde19bb5f7f2222cad299d2733cb14fa121dccbfeaa47b405b1508e552f28c0", kill_on_drop: false }`
[INFO] [stdout] 9fde19bb5f7f2222cad299d2733cb14fa121dccbfeaa47b405b1508e552f28c0
[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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6035eea3bc580cb8339124adbc63b191e122e51246e723b9926c0379f5d3165f
[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" "6035eea3bc580cb8339124adbc63b191e122e51246e723b9926c0379f5d3165f", kill_on_drop: false }`
[INFO] [stderr]    Compiling algorithm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Ref`
[INFO] [stdout]  --> src/leetcode/structs/tree_node.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::{RefCell, Ref};
[INFO] [stdout]   |                          ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/leetcode/structs/tree_node.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn new(val: i32) -> Self {
[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: `create_from_vec`
[INFO] [stdout]   --> src/leetcode/structs/tree_node.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn create_from_vec(vec: Vec<Option<i32>>) -> Rc<RefCell<Self>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Solution`
[INFO] [stdout]   --> src/leetcode/lc104.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct Solution {}
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `max_depth1`
[INFO] [stdout]   --> src/leetcode/lc104.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn max_depth1(root: Option<Rc<RefCell<TreeNode>>>) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `max_depth2`
[INFO] [stdout]    --> src/leetcode/lc104.rs:100:12
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub fn max_depth2(root: Option<Rc<RefCell<TreeNode>>>) -> i32 {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "6035eea3bc580cb8339124adbc63b191e122e51246e723b9926c0379f5d3165f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6035eea3bc580cb8339124adbc63b191e122e51246e723b9926c0379f5d3165f", kill_on_drop: false }`
[INFO] [stdout] 6035eea3bc580cb8339124adbc63b191e122e51246e723b9926c0379f5d3165f
[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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17c2f9cb25275f0e711b634c2c0a72e8cec7167b6b6653f3f11f33f348edd127
[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" "17c2f9cb25275f0e711b634c2c0a72e8cec7167b6b6653f3f11f33f348edd127", kill_on_drop: false }`
[INFO] [stderr]    Compiling algorithm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Ref`
[INFO] [stdout]  --> src/leetcode/structs/tree_node.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::cell::{RefCell, Ref};
[INFO] [stdout]   |                          ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]   --> src/leetcode/structs/tree_node.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |     use std::ops::Deref;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]   --> src/leetcode/lc104.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     use std::rc::Rc;
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cell::RefCell`
[INFO] [stdout]   --> src/leetcode/lc104.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |     use std::cell::RefCell;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "17c2f9cb25275f0e711b634c2c0a72e8cec7167b6b6653f3f11f33f348edd127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17c2f9cb25275f0e711b634c2c0a72e8cec7167b6b6653f3f11f33f348edd127", kill_on_drop: false }`
[INFO] [stdout] 17c2f9cb25275f0e711b634c2c0a72e8cec7167b6b6653f3f11f33f348edd127
[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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a348ff18ed37589744a98c8f7c452d377658a9aebd67786ee86aa2923a4e91a0
[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" "a348ff18ed37589744a98c8f7c452d377658a9aebd67786ee86aa2923a4e91a0", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Ref`
[INFO] [stderr]  --> src/leetcode/structs/tree_node.rs:1:26
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cell::{RefCell, Ref};
[INFO] [stderr]   |                          ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::Deref`
[INFO] [stderr]   --> src/leetcode/structs/tree_node.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr] 10 |     use std::ops::Deref;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::rc::Rc`
[INFO] [stderr]   --> src/leetcode/lc104.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     use std::rc::Rc;
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefCell`
[INFO] [stderr]   --> src/leetcode/lc104.rs:30:9
[INFO] [stderr]    |
[INFO] [stderr] 30 |     use std::cell::RefCell;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/algorithm-1b36cb533c3f06b4
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/algorithm-0f0299d2cce916e4
[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] [stderr]    Doc-tests algorithm
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test leetcode::lc104::tests::lc104_test_max_depth1 ... ok
[INFO] [stdout] test leetcode::lc104::tests::lc104_test_max_depth2 ... ok
[INFO] [stdout] test leetcode::structs::tree_node::tests::tree_node_test_create ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 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" "a348ff18ed37589744a98c8f7c452d377658a9aebd67786ee86aa2923a4e91a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a348ff18ed37589744a98c8f7c452d377658a9aebd67786ee86aa2923a4e91a0", kill_on_drop: false }`
[INFO] [stdout] a348ff18ed37589744a98c8f7c452d377658a9aebd67786ee86aa2923a4e91a0
