[INFO] cloning repository https://github.com/islami00/cscS01-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/islami00/cscS01-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fislami00%2FcscS01-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fislami00%2FcscS01-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6fee4f1d33d47eb6965bdaa2dbe6b7df81a5fb5
[INFO] testing islami00/cscS01-rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fislami00%2FcscS01-rust" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/islami00/cscS01-rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/islami00/cscS01-rust
[INFO] finished tweaking git repo https://github.com/islami00/cscS01-rust
[INFO] tweaked toml for git repo https://github.com/islami00/cscS01-rust written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/islami00/cscS01-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] e4126f181692a17f7f8d23708e55e5592eb22f8ad49facab1177f74a6b3f2014
[INFO] running `Command { std: "docker" "start" "-a" "e4126f181692a17f7f8d23708e55e5592eb22f8ad49facab1177f74a6b3f2014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4126f181692a17f7f8d23708e55e5592eb22f8ad49facab1177f74a6b3f2014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4126f181692a17f7f8d23708e55e5592eb22f8ad49facab1177f74a6b3f2014", kill_on_drop: false }`
[INFO] [stdout] e4126f181692a17f7f8d23708e55e5592eb22f8ad49facab1177f74a6b3f2014
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 751d6bdec9d4cca5bdb0e242aa1e3459211ed2cbb7bd3b523b798acd128d5252
[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" "751d6bdec9d4cca5bdb0e242aa1e3459211ed2cbb7bd3b523b798acd128d5252", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-set v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/class02/problem05/tuples.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/class02/problem06/arrays.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Facebook`
[INFO] [stdout]   --> src/class02/problem07/vecs.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         Facebook(Vec<u8>),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Social` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/class02/problem07/vecs.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |     #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]    |              ^^^^^             ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Instagram`
[INFO] [stdout]   --> src/class02/problem07/vecs.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         Instagram(Vec<u8>),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Social` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/class02/problem07/vecs.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |     #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]    |              ^^^^^             ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Riot`
[INFO] [stdout]   --> src/class02/problem07/vecs.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         Riot(Vec<u8>),
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Social` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/class02/problem07/vecs.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |     #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]    |              ^^^^^             ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]   --> src/class02/problem07/vecs.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         None,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Social` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/class02/problem07/vecs.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |     #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]    |              ^^^^^             ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "751d6bdec9d4cca5bdb0e242aa1e3459211ed2cbb7bd3b523b798acd128d5252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "751d6bdec9d4cca5bdb0e242aa1e3459211ed2cbb7bd3b523b798acd128d5252", kill_on_drop: false }`
[INFO] [stdout] 751d6bdec9d4cca5bdb0e242aa1e3459211ed2cbb7bd3b523b798acd128d5252
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] ded9af68295784f0be06d5a2b88270e0cf40921d5e01f3003240282792899e2e
[INFO] running `Command { std: "docker" "start" "-a" "ded9af68295784f0be06d5a2b88270e0cf40921d5e01f3003240282792899e2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-set v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/class02/problem05/tuples.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/class02/problem06/arrays.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Facebook`
[INFO] [stdout]   --> src/class02/problem07/vecs.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |         Facebook(Vec<u8>),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Social` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/class02/problem07/vecs.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |     #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]    |              ^^^^^             ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Instagram`
[INFO] [stdout]   --> src/class02/problem07/vecs.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |         Instagram(Vec<u8>),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Social` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/class02/problem07/vecs.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |     #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]    |              ^^^^^             ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Riot`
[INFO] [stdout]   --> src/class02/problem07/vecs.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |         Riot(Vec<u8>),
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Social` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/class02/problem07/vecs.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |     #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]    |              ^^^^^             ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `None`
[INFO] [stdout]   --> src/class02/problem07/vecs.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |         None,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `Social` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/class02/problem07/vecs.rs:46:14
[INFO] [stdout]    |
[INFO] [stdout] 46 |     #[derive(Debug, PartialEq, Clone)]
[INFO] [stdout]    |              ^^^^^             ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_set-853c58e078ee456e)
[INFO] running `Command { std: "docker" "inspect" "ded9af68295784f0be06d5a2b88270e0cf40921d5e01f3003240282792899e2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ded9af68295784f0be06d5a2b88270e0cf40921d5e01f3003240282792899e2e", kill_on_drop: false }`
[INFO] [stdout] ded9af68295784f0be06d5a2b88270e0cf40921d5e01f3003240282792899e2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] db23ab0d2830c254cd4ca0601fb9dbb54bac55ecc1045d093a926d084accfa6e
[INFO] running `Command { std: "docker" "start" "-a" "db23ab0d2830c254cd4ca0601fb9dbb54bac55ecc1045d093a926d084accfa6e", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/class02/problem05/tuples.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run`
[INFO] [stderr]  --> src/class02/problem06/arrays.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn run() {
[INFO] [stderr]   |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Facebook`
[INFO] [stderr]   --> src/class02/problem07/vecs.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |         Facebook(Vec<u8>),
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Social` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/class02/problem07/vecs.rs:46:14
[INFO] [stderr]    |
[INFO] [stderr] 46 |     #[derive(Debug, PartialEq, Clone)]
[INFO] [stderr]    |              ^^^^^             ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Instagram`
[INFO] [stderr]   --> src/class02/problem07/vecs.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |         Instagram(Vec<u8>),
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Social` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/class02/problem07/vecs.rs:46:14
[INFO] [stderr]    |
[INFO] [stderr] 46 |     #[derive(Debug, PartialEq, Clone)]
[INFO] [stderr]    |              ^^^^^             ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Riot`
[INFO] [stderr]   --> src/class02/problem07/vecs.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |         Riot(Vec<u8>),
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Social` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/class02/problem07/vecs.rs:46:14
[INFO] [stderr]    |
[INFO] [stderr] 46 |     #[derive(Debug, PartialEq, Clone)]
[INFO] [stderr]    |              ^^^^^             ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `None`
[INFO] [stderr]   --> src/class02/problem07/vecs.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |         None,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `Social` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/class02/problem07/vecs.rs:46:14
[INFO] [stderr]    |
[INFO] [stderr] 46 |     #[derive(Debug, PartialEq, Clone)]
[INFO] [stderr]    |              ^^^^^             ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-set` (bin "rust-set" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_set-853c58e078ee456e)
[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" "db23ab0d2830c254cd4ca0601fb9dbb54bac55ecc1045d093a926d084accfa6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db23ab0d2830c254cd4ca0601fb9dbb54bac55ecc1045d093a926d084accfa6e", kill_on_drop: false }`
[INFO] [stdout] db23ab0d2830c254cd4ca0601fb9dbb54bac55ecc1045d093a926d084accfa6e