[INFO] updating cached repository https://github.com/mhn1991/BinaryTree [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 7656902817f6da21bcc0d08e9f5b6266d92d2521 [INFO] testing mhn1991/BinaryTree against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhn1991%2FBinaryTree" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mhn1991/BinaryTree on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/mhn1991/BinaryTree [INFO] finished tweaking git repo https://github.com/mhn1991/BinaryTree [INFO] tweaked toml for git repo https://github.com/mhn1991/BinaryTree written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/mhn1991/BinaryTree already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] bd91c212fd752e3ed694951b4df5c68ecdd74007fe768b810e30f5c225ab7459 [INFO] running `"docker" "start" "-a" "bd91c212fd752e3ed694951b4df5c68ecdd74007fe768b810e30f5c225ab7459"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling typed-arena v2.0.0 [INFO] [stderr] Compiling BinaryTree v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:67:12 [INFO] [stderr] | [INFO] [stderr] 67 | if (self.left.as_ref().unwrap().left.is_none()) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:135:12 [INFO] [stderr] | [INFO] [stderr] 135 | if (self.value.unwrap() <= value) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:136:16 [INFO] [stderr] | [INFO] [stderr] 136 | if (self.right.is_none()) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:140:16 [INFO] [stderr] | [INFO] [stderr] 140 | if (self.right.as_ref().unwrap().value.unwrap() == value [INFO] [stderr] | ________________^ [INFO] [stderr] 141 | | && self.right.as_ref().unwrap().left.is_none() [INFO] [stderr] 142 | | && self.right.as_ref().unwrap().right.is_none()) [INFO] [stderr] | |________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 140 | if self.right.as_ref().unwrap().value.unwrap() == value [INFO] [stderr] 141 | && self.right.as_ref().unwrap().left.is_none() [INFO] [stderr] 142 | && self.right.as_ref().unwrap().right.is_none() [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:147:16 [INFO] [stderr] | [INFO] [stderr] 147 | if (self.right.as_ref().unwrap().value.unwrap() == value [INFO] [stderr] | ________________^ [INFO] [stderr] 148 | | && self.right.as_ref().unwrap().right.is_some()) [INFO] [stderr] | |________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 147 | if self.right.as_ref().unwrap().value.unwrap() == value [INFO] [stderr] 148 | && self.right.as_ref().unwrap().right.is_some() [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:155:16 [INFO] [stderr] | [INFO] [stderr] 155 | if (self.right.as_ref().unwrap().value.unwrap() == value [INFO] [stderr] | ________________^ [INFO] [stderr] 156 | | && self.right.as_ref().unwrap().left.is_some()) [INFO] [stderr] | |_______________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 155 | if self.right.as_ref().unwrap().value.unwrap() == value [INFO] [stderr] 156 | && self.right.as_ref().unwrap().left.is_some() [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: crate `BinaryTree` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `binary_tree` [INFO] [stderr] [INFO] [stderr] warning: method `findMin` should have a snake case name [INFO] [stderr] --> src/main.rs:64:8 [INFO] [stderr] | [INFO] [stderr] 64 | fn findMin(&mut self) -> Option { [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `find_min` [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.44s [INFO] running `"docker" "inspect" "bd91c212fd752e3ed694951b4df5c68ecdd74007fe768b810e30f5c225ab7459"` [INFO] running `"docker" "rm" "-f" "bd91c212fd752e3ed694951b4df5c68ecdd74007fe768b810e30f5c225ab7459"` [INFO] [stdout] bd91c212fd752e3ed694951b4df5c68ecdd74007fe768b810e30f5c225ab7459 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stdout] 0d508d7ab919a03dc2cdefd31787f920beaba1944d13b4d705b5407bbd38771e [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "0d508d7ab919a03dc2cdefd31787f920beaba1944d13b4d705b5407bbd38771e"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling BinaryTree v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:67:12 [INFO] [stderr] | [INFO] [stderr] 67 | if (self.left.as_ref().unwrap().left.is_none()) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:135:12 [INFO] [stderr] | [INFO] [stderr] 135 | if (self.value.unwrap() <= value) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:136:16 [INFO] [stderr] | [INFO] [stderr] 136 | if (self.right.is_none()) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:140:16 [INFO] [stderr] | [INFO] [stderr] 140 | if (self.right.as_ref().unwrap().value.unwrap() == value [INFO] [stderr] | ________________^ [INFO] [stderr] 141 | | && self.right.as_ref().unwrap().left.is_none() [INFO] [stderr] 142 | | && self.right.as_ref().unwrap().right.is_none()) [INFO] [stderr] | |________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 140 | if self.right.as_ref().unwrap().value.unwrap() == value [INFO] [stderr] 141 | && self.right.as_ref().unwrap().left.is_none() [INFO] [stderr] 142 | && self.right.as_ref().unwrap().right.is_none() [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:147:16 [INFO] [stderr] | [INFO] [stderr] 147 | if (self.right.as_ref().unwrap().value.unwrap() == value [INFO] [stderr] | ________________^ [INFO] [stderr] 148 | | && self.right.as_ref().unwrap().right.is_some()) [INFO] [stderr] | |________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 147 | if self.right.as_ref().unwrap().value.unwrap() == value [INFO] [stderr] 148 | && self.right.as_ref().unwrap().right.is_some() [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:155:16 [INFO] [stderr] | [INFO] [stderr] 155 | if (self.right.as_ref().unwrap().value.unwrap() == value [INFO] [stderr] | ________________^ [INFO] [stderr] 156 | | && self.right.as_ref().unwrap().left.is_some()) [INFO] [stderr] | |_______________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 155 | if self.right.as_ref().unwrap().value.unwrap() == value [INFO] [stderr] 156 | && self.right.as_ref().unwrap().left.is_some() [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: crate `BinaryTree` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `binary_tree` [INFO] [stderr] [INFO] [stderr] warning: method `findMin` should have a snake case name [INFO] [stderr] --> src/main.rs:64:8 [INFO] [stderr] | [INFO] [stderr] 64 | fn findMin(&mut self) -> Option { [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `find_min` [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.68s [INFO] running `"docker" "inspect" "0d508d7ab919a03dc2cdefd31787f920beaba1944d13b4d705b5407bbd38771e"` [INFO] running `"docker" "rm" "-f" "0d508d7ab919a03dc2cdefd31787f920beaba1944d13b4d705b5407bbd38771e"` [INFO] [stdout] 0d508d7ab919a03dc2cdefd31787f920beaba1944d13b4d705b5407bbd38771e [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ab637bec61443e5bde86c110107ae3dc0ad473e272b77341016bc7e2144dd3ca [INFO] running `"docker" "start" "-a" "ab637bec61443e5bde86c110107ae3dc0ad473e272b77341016bc7e2144dd3ca"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:67:12 [INFO] [stderr] | [INFO] [stderr] 67 | if (self.left.as_ref().unwrap().left.is_none()) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:135:12 [INFO] [stderr] | [INFO] [stderr] 135 | if (self.value.unwrap() <= value) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:136:16 [INFO] [stderr] | [INFO] [stderr] 136 | if (self.right.is_none()) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:140:16 [INFO] [stderr] | [INFO] [stderr] 140 | if (self.right.as_ref().unwrap().value.unwrap() == value [INFO] [stderr] | ________________^ [INFO] [stderr] 141 | | && self.right.as_ref().unwrap().left.is_none() [INFO] [stderr] 142 | | && self.right.as_ref().unwrap().right.is_none()) [INFO] [stderr] | |________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 140 | if self.right.as_ref().unwrap().value.unwrap() == value [INFO] [stderr] 141 | && self.right.as_ref().unwrap().left.is_none() [INFO] [stderr] 142 | && self.right.as_ref().unwrap().right.is_none() [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:147:16 [INFO] [stderr] | [INFO] [stderr] 147 | if (self.right.as_ref().unwrap().value.unwrap() == value [INFO] [stderr] | ________________^ [INFO] [stderr] 148 | | && self.right.as_ref().unwrap().right.is_some()) [INFO] [stderr] | |________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 147 | if self.right.as_ref().unwrap().value.unwrap() == value [INFO] [stderr] 148 | && self.right.as_ref().unwrap().right.is_some() [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:155:16 [INFO] [stderr] | [INFO] [stderr] 155 | if (self.right.as_ref().unwrap().value.unwrap() == value [INFO] [stderr] | ________________^ [INFO] [stderr] 156 | | && self.right.as_ref().unwrap().left.is_some()) [INFO] [stderr] | |_______________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 155 | if self.right.as_ref().unwrap().value.unwrap() == value [INFO] [stderr] 156 | && self.right.as_ref().unwrap().left.is_some() [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: crate `BinaryTree` should have a snake case name [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] = help: convert the identifier to snake case: `binary_tree` [INFO] [stderr] [INFO] [stderr] warning: method `findMin` should have a snake case name [INFO] [stderr] --> src/main.rs:64:8 [INFO] [stderr] | [INFO] [stderr] 64 | fn findMin(&mut self) -> Option { [INFO] [stderr] | ^^^^^^^ help: convert the identifier to snake case: `find_min` [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/BinaryTree-ce47211589370f4f [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 `"docker" "inspect" "ab637bec61443e5bde86c110107ae3dc0ad473e272b77341016bc7e2144dd3ca"` [INFO] running `"docker" "rm" "-f" "ab637bec61443e5bde86c110107ae3dc0ad473e272b77341016bc7e2144dd3ca"` [INFO] [stdout] ab637bec61443e5bde86c110107ae3dc0ad473e272b77341016bc7e2144dd3ca