[INFO] cloning repository https://github.com/guijiangheng/learn-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guijiangheng/learn-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguijiangheng%2Flearn-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguijiangheng%2Flearn-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4efc0ebeb618155aa43ca6df762390b94d0bbd30
[INFO] testing guijiangheng/learn-rust against beta-2025-02-18 for beta-1.86-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguijiangheng%2Flearn-rust" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guijiangheng/learn-rust on toolchain beta-2025-02-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/guijiangheng/learn-rust
[INFO] finished tweaking git repo https://github.com/guijiangheng/learn-rust
[INFO] tweaked toml for git repo https://github.com/guijiangheng/learn-rust written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/guijiangheng/learn-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-02-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cbbb58ec8120e8538374c5810c38508f7f0683a51f588c9465c15063504f7427
[INFO] running `Command { std: "docker" "start" "-a" "cbbb58ec8120e8538374c5810c38508f7f0683a51f588c9465c15063504f7427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbbb58ec8120e8538374c5810c38508f7f0683a51f588c9465c15063504f7427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbbb58ec8120e8538374c5810c38508f7f0683a51f588c9465c15063504f7427", kill_on_drop: false }`
[INFO] [stdout] cbbb58ec8120e8538374c5810c38508f7f0683a51f588c9465c15063504f7427
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23c8e167751c5b21fed2137cb41a83d898946bcc85b62f1462e8d952234ca8a8
[INFO] running `Command { std: "docker" "start" "-a" "23c8e167751c5b21fed2137cb41a83d898946bcc85b62f1462e8d952234ca8a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/hash_set.rs:74:80
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn intersection<'a>(&'a self, other: &'a Self) -> impl Iterator<Item = &T> {
[INFO] [stdout]    |                         -- lifetime `'a` declared here                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/hash_set.rs:79:78
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn difference<'a>(&'a self, other: &'a Self) -> impl Iterator<Item = &T> {
[INFO] [stdout]    |                       -- lifetime `'a` declared here                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/hash_set.rs:83:73
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn union<'a>(&'a self, other: &'a Self) -> impl Iterator<Item = &T> {
[INFO] [stdout]    |                  -- lifetime `'a` declared here                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/hash_set.rs:87:88
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn symmetric_difference<'a>(&'a self, other: &'a Self) -> impl Iterator<Item = &T> {
[INFO] [stdout]    |                                 -- lifetime `'a` declared here                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/hash_set.rs:74:80
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn intersection<'a>(&'a self, other: &'a Self) -> impl Iterator<Item = &T> {
[INFO] [stdout]    |                         -- lifetime `'a` declared here                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/hash_set.rs:79:78
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn difference<'a>(&'a self, other: &'a Self) -> impl Iterator<Item = &T> {
[INFO] [stdout]    |                       -- lifetime `'a` declared here                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/hash_set.rs:83:73
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn union<'a>(&'a self, other: &'a Self) -> impl Iterator<Item = &T> {
[INFO] [stdout]    |                  -- lifetime `'a` declared here                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/hash_set.rs:87:88
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn symmetric_difference<'a>(&'a self, other: &'a Self) -> impl Iterator<Item = &T> {
[INFO] [stdout]    |                                 -- lifetime `'a` declared here                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "23c8e167751c5b21fed2137cb41a83d898946bcc85b62f1462e8d952234ca8a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23c8e167751c5b21fed2137cb41a83d898946bcc85b62f1462e8d952234ca8a8", kill_on_drop: false }`
[INFO] [stdout] 23c8e167751c5b21fed2137cb41a83d898946bcc85b62f1462e8d952234ca8a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e364f4436192693298164a25d4d8c60b837d503af438a93d232fdd81e89fc326
[INFO] running `Command { std: "docker" "start" "-a" "e364f4436192693298164a25d4d8c60b837d503af438a93d232fdd81e89fc326", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/hash_set.rs:74:80
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn intersection<'a>(&'a self, other: &'a Self) -> impl Iterator<Item = &T> {
[INFO] [stdout]    |                         -- lifetime `'a` declared here                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/hash_set.rs:79:78
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn difference<'a>(&'a self, other: &'a Self) -> impl Iterator<Item = &T> {
[INFO] [stdout]    |                       -- lifetime `'a` declared here                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/hash_set.rs:83:73
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn union<'a>(&'a self, other: &'a Self) -> impl Iterator<Item = &T> {
[INFO] [stdout]    |                  -- lifetime `'a` declared here                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/hash_set.rs:87:88
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn symmetric_difference<'a>(&'a self, other: &'a Self) -> impl Iterator<Item = &T> {
[INFO] [stdout]    |                                 -- lifetime `'a` declared here                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/hash_set.rs:74:80
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn intersection<'a>(&'a self, other: &'a Self) -> impl Iterator<Item = &T> {
[INFO] [stdout]    |                         -- lifetime `'a` declared here                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/hash_set.rs:79:78
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn difference<'a>(&'a self, other: &'a Self) -> impl Iterator<Item = &T> {
[INFO] [stdout]    |                       -- lifetime `'a` declared here                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/hash_set.rs:83:73
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn union<'a>(&'a self, other: &'a Self) -> impl Iterator<Item = &T> {
[INFO] [stdout]    |                  -- lifetime `'a` declared here                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/hash_set.rs:87:88
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn symmetric_difference<'a>(&'a self, other: &'a Self) -> impl Iterator<Item = &T> {
[INFO] [stdout]    |                                 -- lifetime `'a` declared here                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/hash_set.rs:74:80
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn intersection<'a>(&'a self, other: &'a Self) -> impl Iterator<Item = &T> {
[INFO] [stdout]    |                         -- lifetime `'a` declared here                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/hash_set.rs:79:78
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn difference<'a>(&'a self, other: &'a Self) -> impl Iterator<Item = &T> {
[INFO] [stdout]    |                       -- lifetime `'a` declared here                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/hash_set.rs:83:73
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn union<'a>(&'a self, other: &'a Self) -> impl Iterator<Item = &T> {
[INFO] [stdout]    |                  -- lifetime `'a` declared here                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/hash_set.rs:87:88
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn symmetric_difference<'a>(&'a self, other: &'a Self) -> impl Iterator<Item = &T> {
[INFO] [stdout]    |                                 -- lifetime `'a` declared here                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "e364f4436192693298164a25d4d8c60b837d503af438a93d232fdd81e89fc326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e364f4436192693298164a25d4d8c60b837d503af438a93d232fdd81e89fc326", kill_on_drop: false }`
[INFO] [stdout] e364f4436192693298164a25d4d8c60b837d503af438a93d232fdd81e89fc326
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-02-18" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3aa690dcd867af699a6f37c066f794141f77b67993674af43d1b048d3fa3c518
[INFO] running `Command { std: "docker" "start" "-a" "3aa690dcd867af699a6f37c066f794141f77b67993674af43d1b048d3fa3c518", kill_on_drop: false }`
[INFO] [stderr] warning: elided lifetime has a name
[INFO] [stderr]   --> src/hash_set.rs:74:80
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub fn intersection<'a>(&'a self, other: &'a Self) -> impl Iterator<Item = &T> {
[INFO] [stderr]    |                         -- lifetime `'a` declared here                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: elided lifetime has a name
[INFO] [stderr]   --> src/hash_set.rs:79:78
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn difference<'a>(&'a self, other: &'a Self) -> impl Iterator<Item = &T> {
[INFO] [stderr]    |                       -- lifetime `'a` declared here                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stderr] 
[INFO] [stderr] warning: elided lifetime has a name
[INFO] [stderr]   --> src/hash_set.rs:83:73
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub fn union<'a>(&'a self, other: &'a Self) -> impl Iterator<Item = &T> {
[INFO] [stderr]    |                  -- lifetime `'a` declared here                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stderr] 
[INFO] [stderr] warning: elided lifetime has a name
[INFO] [stderr]   --> src/hash_set.rs:87:88
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn symmetric_difference<'a>(&'a self, other: &'a Self) -> impl Iterator<Item = &T> {
[INFO] [stderr]    |                                 -- lifetime `'a` declared here                         ^ this elided lifetime gets resolved as `'a`
[INFO] [stderr] 
[INFO] [stderr] warning: `learn-rust` (lib) generated 4 warnings
[INFO] [stderr] warning: `learn-rust` (bin "learn-rust" test) generated 4 warnings (4 duplicates)
[INFO] [stderr] warning: `learn-rust` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/learn_rust-37af8e0a13dfad27)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test algorithm::backtracing::all_combination_of_size_k::tests::test_empty ... ok
[INFO] [stdout] test algorithm::backtracing::permutations::tests::test_output ... ok
[INFO] [stdout] test hash_map::test::into_iter_ref ... ok
[INFO] [stdout] test hash_map::test::into_iter ... ok
[INFO] [stdout] test hash_map::test::remove ... ok
[INFO] [stdout] test algorithm::backtracing::all_combination_of_size_k::tests::test_output ... ok
[INFO] [stdout] test hash_set::test::test_bit_op ... ok
[INFO] [stdout] test hash_set::test::test_eq ... ok
[INFO] [stdout] test hash_set::test::test_insert ... ok
[INFO] [stdout] test hash_set::test::test_order ... ok
[INFO] [stdout] test hash_set::test::test_remove ... ok
[INFO] [stdout] test hash_set::test::test_subset_superset ... ok
[INFO] [stdout] test link_list::test::debug_print ... ok
[INFO] [stdout] test link_list::test::iter_mut ... ok
[INFO] [stdout] test link_list::test::pop_front ... ok
[INFO] [stdout] test link_list::test::push_front ... ok
[INFO] [stdout] test hash_map::test::insert ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/learn_rust-b031212fd58b4fd4)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test hash_map::test::remove ... ok
[INFO] [stdout] test hash_set::test::test_eq ... ok
[INFO] [stdout] test hash_set::test::test_insert ... ok
[INFO] [stdout] test hash_map::test::into_iter ... ok
[INFO] [stdout] test hash_map::test::into_iter_ref ... ok
[INFO] [stdout] test hash_set::test::test_order ... ok
[INFO] [stdout] test hash_map::test::insert ... ok
[INFO] [stdout] test hash_set::test::test_bit_op ... ok
[INFO] [stdout] test hash_set::test::test_remove ... ok
[INFO] [stdout] test hash_set::test::test_subset_superset ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests learn_rust
[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" "3aa690dcd867af699a6f37c066f794141f77b67993674af43d1b048d3fa3c518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aa690dcd867af699a6f37c066f794141f77b67993674af43d1b048d3fa3c518", kill_on_drop: false }`
[INFO] [stdout] 3aa690dcd867af699a6f37c066f794141f77b67993674af43d1b048d3fa3c518