[INFO] cloning repository https://github.com/patrickbucher/binary_tree_middle_out
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/patrickbucher/binary_tree_middle_out" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickbucher%2Fbinary_tree_middle_out", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickbucher%2Fbinary_tree_middle_out'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a10e3058e29025680ae0f20dd821854a6ceb730
[INFO] testing patrickbucher/binary_tree_middle_out against try#0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 for pr-137122-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickbucher%2Fbinary_tree_middle_out" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] fatal: update_ref failed for ref 'HEAD': cannot update the ref 'HEAD': unable to append to '/workspace/builds/worker-2-tc2/source/.git/logs/HEAD': No space left on device
[INFO] testing patrickbucher/binary_tree_middle_out against try#0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6 for pr-137122-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickbucher%2Fbinary_tree_middle_out" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/patrickbucher/binary_tree_middle_out
[INFO] finished tweaking git repo https://github.com/patrickbucher/binary_tree_middle_out
[INFO] tweaked toml for git repo https://github.com/patrickbucher/binary_tree_middle_out written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/patrickbucher/binary_tree_middle_out on toolchain 0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/patrickbucher/binary_tree_middle_out 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" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e96f4155d7f1732b29f2417c65d1d7f9506a32d357939540e2dea5a05ce7641
[INFO] running `Command { std: "docker" "start" "-a" "3e96f4155d7f1732b29f2417c65d1d7f9506a32d357939540e2dea5a05ce7641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e96f4155d7f1732b29f2417c65d1d7f9506a32d357939540e2dea5a05ce7641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e96f4155d7f1732b29f2417c65d1d7f9506a32d357939540e2dea5a05ce7641", kill_on_drop: false }`
[INFO] [stdout] 3e96f4155d7f1732b29f2417c65d1d7f9506a32d357939540e2dea5a05ce7641
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf3476c47dcc5e35c5a08b96e79c8f5cfdde74a4d6cb982343d2f6336a882440
[INFO] running `Command { std: "docker" "start" "-a" "cf3476c47dcc5e35c5a08b96e79c8f5cfdde74a4d6cb982343d2f6336a882440", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `Traversal` is more private than the item `Node::<T>::get_values`
[INFO] [stdout]   --> src/binary_tree.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn get_values(&self, order: &Traversal) -> Vec<T> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `Node::<T>::get_values` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Traversal` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/binary_tree.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Traversal {
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PreOrder` is never constructed
[INFO] [stdout]   --> src/binary_tree.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Traversal {
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] 11 |     InOrder,
[INFO] [stdout] 12 |     PreOrder,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "cf3476c47dcc5e35c5a08b96e79c8f5cfdde74a4d6cb982343d2f6336a882440", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf3476c47dcc5e35c5a08b96e79c8f5cfdde74a4d6cb982343d2f6336a882440", kill_on_drop: false }`
[INFO] [stdout] cf3476c47dcc5e35c5a08b96e79c8f5cfdde74a4d6cb982343d2f6336a882440
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95ac5345cb2bc6f8fe99fb6062928e74a3572752b91448c09d2ab4bf62b1e9d6
[INFO] running `Command { std: "docker" "start" "-a" "95ac5345cb2bc6f8fe99fb6062928e74a3572752b91448c09d2ab4bf62b1e9d6", kill_on_drop: false }`
[INFO] [stdout] warning: type `Traversal` is more private than the item `Node::<T>::get_values`
[INFO] [stdout]   --> src/binary_tree.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn get_values(&self, order: &Traversal) -> Vec<T> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `Node::<T>::get_values` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Traversal` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/binary_tree.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Traversal {
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PreOrder` is never constructed
[INFO] [stdout]   --> src/binary_tree.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Traversal {
[INFO] [stdout]    |      --------- variant in this enum
[INFO] [stdout] 11 |     InOrder,
[INFO] [stdout] 12 |     PreOrder,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling binary_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `binary_tree::Traversal` is more private than the item `binary_tree::Node::<T>::get_values`
[INFO] [stdout]   --> src/binary_tree.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     pub fn get_values(&self, order: &Traversal) -> Vec<T> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `binary_tree::Node::<T>::get_values` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `binary_tree::Traversal` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/binary_tree.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Traversal {
[INFO] [stdout]    | ^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "95ac5345cb2bc6f8fe99fb6062928e74a3572752b91448c09d2ab4bf62b1e9d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95ac5345cb2bc6f8fe99fb6062928e74a3572752b91448c09d2ab4bf62b1e9d6", kill_on_drop: false }`
[INFO] [stdout] 95ac5345cb2bc6f8fe99fb6062928e74a3572752b91448c09d2ab4bf62b1e9d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+0936b3db0ae648ba2d5b60eb08cf4faf2ddab0c6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ccd79b374446fd5de56e22934a9b8e221a238b95ac7bb6577c3167d0c24315c1
[INFO] running `Command { std: "docker" "start" "-a" "ccd79b374446fd5de56e22934a9b8e221a238b95ac7bb6577c3167d0c24315c1", kill_on_drop: false }`
[INFO] [stderr] warning: type `Traversal` is more private than the item `Node::<T>::get_values`
[INFO] [stderr]   --> src/binary_tree.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn get_values(&self, order: &Traversal) -> Vec<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `Node::<T>::get_values` is reachable at visibility `pub`
[INFO] [stderr]    |
[INFO] [stderr] note: but type `Traversal` is only usable at visibility `pub(self)`
[INFO] [stderr]   --> src/binary_tree.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | enum Traversal {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `PreOrder` is never constructed
[INFO] [stderr]   --> src/binary_tree.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | enum Traversal {
[INFO] [stderr]    |      --------- variant in this enum
[INFO] [stderr] 11 |     InOrder,
[INFO] [stderr] 12 |     PreOrder,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `binary_tree` (lib) generated 2 warnings
[INFO] [stderr] warning: type `binary_tree::Traversal` is more private than the item `binary_tree::Node::<T>::get_values`
[INFO] [stderr]   --> src/binary_tree.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     pub fn get_values(&self, order: &Traversal) -> Vec<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `binary_tree::Node::<T>::get_values` is reachable at visibility `pub`
[INFO] [stderr]    |
[INFO] [stderr] note: but type `binary_tree::Traversal` is only usable at visibility `pub(self)`
[INFO] [stderr]   --> src/binary_tree.rs:10:1
[INFO] [stderr]    |
[INFO] [stderr] 10 | enum Traversal {
[INFO] [stderr]    | ^^^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `binary_tree` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/binary_tree-1387a4d9f2b0985f)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test binary_tree::tests::test_delete_leaf ... ok
[INFO] [stdout] test binary_tree::tests::test_delete_root ... ok
[INFO] [stdout] test binary_tree::tests::test_delete_middle ... ok
[INFO] [stdout] test binary_tree::tests::test_get_values ... ok
[INFO] [stdout] test middle_out::tests::test_middle_out_empty ... ok
[INFO] [stdout] test middle_out::tests::test_middle_out_big ... ok
[INFO] [stdout] test middle_out::tests::test_middle_out_small ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests binary_tree
[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" "ccd79b374446fd5de56e22934a9b8e221a238b95ac7bb6577c3167d0c24315c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccd79b374446fd5de56e22934a9b8e221a238b95ac7bb6577c3167d0c24315c1", kill_on_drop: false }`
[INFO] [stdout] ccd79b374446fd5de56e22934a9b8e221a238b95ac7bb6577c3167d0c24315c1