[INFO] updating cached repository https://github.com/nuclearpesto/rust-binary-tree [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e03f93f02462e0ed812e0d43f525598f29b072aa [INFO] testing nuclearpesto/rust-binary-tree against beta-2019-09-28 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnuclearpesto%2Frust-binary-tree" "work/builds/worker-4/source"` [INFO] [stderr] Cloning into 'work/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nuclearpesto/rust-binary-tree on toolchain beta-2019-09-28 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/nuclearpesto/rust-binary-tree [INFO] finished tweaking git repo https://github.com/nuclearpesto/rust-binary-tree [INFO] tweaked toml for git repo https://github.com/nuclearpesto/rust-binary-tree written to work/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/nuclearpesto/rust-binary-tree already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"` [INFO] [stdout] fdfab02d68b712b509d7eddfdbceb40f05cb0b4c018ca266bf6edf5f891863b9 [INFO] running `"docker" "start" "-a" "fdfab02d68b712b509d7eddfdbceb40f05cb0b4c018ca266bf6edf5f891863b9"` [INFO] [stderr] Compiling binarytree v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning[E0170]: pattern binding `Less` is named the same as one of the variants of the type `std::cmp::Ordering` [INFO] [stderr] --> src/main.rs:55:17 [INFO] [stderr] | [INFO] [stderr] 55 | Less => { [INFO] [stderr] | ^^^^ help: to match on the variant, qualify the path: `std::cmp::Ordering::Less` [INFO] [stderr] [INFO] [stderr] warning[E0170]: pattern binding `Equal` is named the same as one of the variants of the type `std::cmp::Ordering` [INFO] [stderr] --> src/main.rs:67:17 [INFO] [stderr] | [INFO] [stderr] 67 | Equal => { [INFO] [stderr] | ^^^^^ help: to match on the variant, qualify the path: `std::cmp::Ordering::Equal` [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/main.rs:61:17 [INFO] [stderr] | [INFO] [stderr] 55 | Less => { [INFO] [stderr] | ---- matches any value [INFO] [stderr] ... [INFO] [stderr] 61 | More => { [INFO] [stderr] | ^^^^ unreachable pattern [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/main.rs:67:17 [INFO] [stderr] | [INFO] [stderr] 55 | Less => { [INFO] [stderr] | ---- matches any value [INFO] [stderr] ... [INFO] [stderr] 67 | Equal => { [INFO] [stderr] | ^^^^^ unreachable pattern [INFO] [stderr] [INFO] [stderr] warning: unused variable: `Less` [INFO] [stderr] --> src/main.rs:55:17 [INFO] [stderr] | [INFO] [stderr] 55 | Less => { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_Less` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `More` [INFO] [stderr] --> src/main.rs:61:17 [INFO] [stderr] | [INFO] [stderr] 61 | More => { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_More` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `Equal` [INFO] [stderr] --> src/main.rs:67:17 [INFO] [stderr] | [INFO] [stderr] 67 | Equal => { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_Equal` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `insert` [INFO] [stderr] --> src/main.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn insert(tree: &BTree, key: &str) -> BTree { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/main.rs:13:9 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn new(key: &str) -> BTree { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `insert` [INFO] [stderr] --> src/main.rs:28:9 [INFO] [stderr] | [INFO] [stderr] 28 | pub fn insert(tree: &Option>, key: &str) -> (Option>) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `clone_node` [INFO] [stderr] --> src/main.rs:35:9 [INFO] [stderr] | [INFO] [stderr] 35 | fn clone_node(node: &Option>) -> (Option>) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new_leaf` [INFO] [stderr] --> src/main.rs:41:9 [INFO] [stderr] | [INFO] [stderr] 41 | fn new_leaf(key: &str) -> (Option>) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `tree_by_key` [INFO] [stderr] --> src/main.rs:49:9 [INFO] [stderr] | [INFO] [stderr] 49 | fn tree_by_key(tree: &Rc, key: &str) -> (Option>) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable `Less` should have a snake case name [INFO] [stderr] --> src/main.rs:55:17 [INFO] [stderr] | [INFO] [stderr] 55 | Less => { [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `less` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `More` should have a snake case name [INFO] [stderr] --> src/main.rs:61:17 [INFO] [stderr] | [INFO] [stderr] 61 | More => { [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `more` [INFO] [stderr] [INFO] [stderr] warning: variable `Equal` should have a snake case name [INFO] [stderr] --> src/main.rs:67:17 [INFO] [stderr] | [INFO] [stderr] 67 | Equal => { [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `equal` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `"docker" "inspect" "fdfab02d68b712b509d7eddfdbceb40f05cb0b4c018ca266bf6edf5f891863b9"` [INFO] running `"docker" "rm" "-f" "fdfab02d68b712b509d7eddfdbceb40f05cb0b4c018ca266bf6edf5f891863b9"` [INFO] [stdout] fdfab02d68b712b509d7eddfdbceb40f05cb0b4c018ca266bf6edf5f891863b9 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"` [INFO] [stdout] 582af737985c2570dbc9a6ff1d0810c4988bd3300d6c31d926600daf42641841 [INFO] running `"docker" "start" "-a" "582af737985c2570dbc9a6ff1d0810c4988bd3300d6c31d926600daf42641841"` [INFO] [stderr] Compiling binarytree v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning[E0170]: pattern binding `Less` is named the same as one of the variants of the type `std::cmp::Ordering` [INFO] [stderr] --> src/main.rs:55:17 [INFO] [stderr] | [INFO] [stderr] 55 | Less => { [INFO] [stderr] | ^^^^ help: to match on the variant, qualify the path: `std::cmp::Ordering::Less` [INFO] [stderr] [INFO] [stderr] warning[E0170]: pattern binding `Equal` is named the same as one of the variants of the type `std::cmp::Ordering` [INFO] [stderr] --> src/main.rs:67:17 [INFO] [stderr] | [INFO] [stderr] 67 | Equal => { [INFO] [stderr] | ^^^^^ help: to match on the variant, qualify the path: `std::cmp::Ordering::Equal` [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/main.rs:61:17 [INFO] [stderr] | [INFO] [stderr] 55 | Less => { [INFO] [stderr] | ---- matches any value [INFO] [stderr] ... [INFO] [stderr] 61 | More => { [INFO] [stderr] | ^^^^ unreachable pattern [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/main.rs:67:17 [INFO] [stderr] | [INFO] [stderr] 55 | Less => { [INFO] [stderr] | ---- matches any value [INFO] [stderr] ... [INFO] [stderr] 67 | Equal => { [INFO] [stderr] | ^^^^^ unreachable pattern [INFO] [stderr] [INFO] [stderr] warning: unused variable: `Less` [INFO] [stderr] --> src/main.rs:55:17 [INFO] [stderr] | [INFO] [stderr] 55 | Less => { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_Less` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `More` [INFO] [stderr] --> src/main.rs:61:17 [INFO] [stderr] | [INFO] [stderr] 61 | More => { [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_More` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `Equal` [INFO] [stderr] --> src/main.rs:67:17 [INFO] [stderr] | [INFO] [stderr] 67 | Equal => { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_Equal` [INFO] [stderr] [INFO] [stderr] warning: variable `Less` should have a snake case name [INFO] [stderr] --> src/main.rs:55:17 [INFO] [stderr] | [INFO] [stderr] 55 | Less => { [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `less` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `More` should have a snake case name [INFO] [stderr] --> src/main.rs:61:17 [INFO] [stderr] | [INFO] [stderr] 61 | More => { [INFO] [stderr] | ^^^^ help: convert the identifier to snake case: `more` [INFO] [stderr] [INFO] [stderr] warning: variable `Equal` should have a snake case name [INFO] [stderr] --> src/main.rs:67:17 [INFO] [stderr] | [INFO] [stderr] 67 | Equal => { [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `equal` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `"docker" "inspect" "582af737985c2570dbc9a6ff1d0810c4988bd3300d6c31d926600daf42641841"` [INFO] running `"docker" "rm" "-f" "582af737985c2570dbc9a6ff1d0810c4988bd3300d6c31d926600daf42641841"` [INFO] [stdout] 582af737985c2570dbc9a6ff1d0810c4988bd3300d6c31d926600daf42641841 [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"` [INFO] [stdout] 5e7e77cbb09c47701b8dfda319f26d9c52e26fa8421e8eb6003b6276e7351746 [INFO] running `"docker" "start" "-a" "5e7e77cbb09c47701b8dfda319f26d9c52e26fa8421e8eb6003b6276e7351746"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.00s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/binarytree-1cd4257e555a14cf [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tree::test::insert_one_works ... ok [INFO] [stdout] test tree::test::new_btree_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "5e7e77cbb09c47701b8dfda319f26d9c52e26fa8421e8eb6003b6276e7351746"` [INFO] running `"docker" "rm" "-f" "5e7e77cbb09c47701b8dfda319f26d9c52e26fa8421e8eb6003b6276e7351746"` [INFO] [stdout] 5e7e77cbb09c47701b8dfda319f26d9c52e26fa8421e8eb6003b6276e7351746