[INFO] crate vebtrees 0.1.3 is already in cache [INFO] extracting crate vebtrees 0.1.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/vebtrees/0.1.3 [INFO] extracting crate vebtrees 0.1.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/vebtrees/0.1.3 [INFO] validating manifest of vebtrees-0.1.3 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of vebtrees-0.1.3 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing vebtrees-0.1.3 [INFO] finished frobbing vebtrees-0.1.3 [INFO] frobbed toml for vebtrees-0.1.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/vebtrees/0.1.3/Cargo.toml [INFO] started frobbing vebtrees-0.1.3 [INFO] finished frobbing vebtrees-0.1.3 [INFO] frobbed toml for vebtrees-0.1.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/vebtrees/0.1.3/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing vebtrees-0.1.3 against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/vebtrees/0.1.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"` [INFO] [stdout] b3214f9feb95963e958280e59a1640e10a76871a25f12616c3a28d0fef3b55a8 [INFO] running `"docker" "start" "-a" "b3214f9feb95963e958280e59a1640e10a76871a25f12616c3a28d0fef3b55a8"` [INFO] [stderr] Compiling vebtrees v0.1.3 (/opt/crater/workdir) [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:285:61 [INFO] [stderr] | [INFO] [stderr] 285 | self.min = Some((first_cluster [INFO] [stderr] | _____________________________________________________________^ [INFO] [stderr] 286 | | * self.children.len() as T [INFO] [stderr] 287 | | + min)); [INFO] [stderr] | |___________________________________________________________________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 285 | self.min = Some(first_cluster [INFO] [stderr] 286 | * self.children.len() as T [INFO] [stderr] 287 | + min); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:312:61 [INFO] [stderr] | [INFO] [stderr] 312 | self.max = Some((last_cluster [INFO] [stderr] | _____________________________________________________________^ [INFO] [stderr] 313 | | * self.children.len() as T [INFO] [stderr] 314 | | + max)); [INFO] [stderr] | |___________________________________________________________________^ [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 312 | self.max = Some(last_cluster [INFO] [stderr] 313 | * self.children.len() as T [INFO] [stderr] 314 | + max); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:406:25 [INFO] [stderr] | [INFO] [stderr] 406 | / return match self.children[self.high(value)].search(offset) { [INFO] [stderr] 407 | | Some(n) => { [INFO] [stderr] 408 | | return Some(n + self.high(value)*self.children.len()); [INFO] [stderr] 409 | | }, [INFO] [stderr] ... | [INFO] [stderr] 412 | | } [INFO] [stderr] 413 | | }; [INFO] [stderr] | |_________________________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unreachable_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:420:13 [INFO] [stderr] | [INFO] [stderr] 420 | / return match self.children[next_cluster].search(offset) { [INFO] [stderr] 421 | | Some(n) => { [INFO] [stderr] 422 | | return Some(n + next_cluster*self.children.len()); [INFO] [stderr] 423 | | }, [INFO] [stderr] ... | [INFO] [stderr] 426 | | } [INFO] [stderr] 427 | | }; [INFO] [stderr] | |_____________^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:463:25 [INFO] [stderr] | [INFO] [stderr] 463 | / return match self.children[self.high(value)].search(offset) { [INFO] [stderr] 464 | | Some(n) => { [INFO] [stderr] 465 | | return Some(n + self.high(value)*self.children.len()); [INFO] [stderr] 466 | | }, [INFO] [stderr] ... | [INFO] [stderr] 469 | | } [INFO] [stderr] 470 | | }; [INFO] [stderr] | |_________________________^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:477:13 [INFO] [stderr] | [INFO] [stderr] 477 | / return match self.children[next_cluster].search(offset) { [INFO] [stderr] 478 | | Some(n) => { [INFO] [stderr] 479 | | return Some(n + next_cluster*self.children.len()); [INFO] [stderr] 480 | | }, [INFO] [stderr] ... | [INFO] [stderr] 483 | | } [INFO] [stderr] 484 | | }; [INFO] [stderr] | |_____________^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/lib.rs:59:17 [INFO] [stderr] | [INFO] [stderr] 59 | for index in 0..self_size { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_index` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `min_value` [INFO] [stderr] --> src/lib.rs:179:22 [INFO] [stderr] | [INFO] [stderr] 179 | Some(min_value) => (), [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_min_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `min_val` [INFO] [stderr] --> src/lib.rs:384:17 [INFO] [stderr] | [INFO] [stderr] 384 | let min_val = self.min?; [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_min_val` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:62:17 [INFO] [stderr] | [INFO] [stderr] 62 | let mut aux = Self::new(pass_size); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:65:13 [INFO] [stderr] | [INFO] [stderr] 65 | let mut tree = VEBTree { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `"docker" "inspect" "b3214f9feb95963e958280e59a1640e10a76871a25f12616c3a28d0fef3b55a8"` [INFO] running `"docker" "rm" "-f" "b3214f9feb95963e958280e59a1640e10a76871a25f12616c3a28d0fef3b55a8"` [INFO] [stdout] b3214f9feb95963e958280e59a1640e10a76871a25f12616c3a28d0fef3b55a8 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/vebtrees/0.1.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] f0260ee73ae54c3e921f7a2c98a21cd305531c581cfd0725cfbcf317937fe538 [INFO] running `"docker" "start" "-a" "f0260ee73ae54c3e921f7a2c98a21cd305531c581cfd0725cfbcf317937fe538"` [INFO] [stderr] Compiling vebtrees v0.1.3 (/opt/crater/workdir) [INFO] [stderr] warning: unused imports: `Duration`, `Instant` [INFO] [stderr] --> src/tests.rs:3:17 [INFO] [stderr] | [INFO] [stderr] 3 | use std::time::{Instant, Duration}; [INFO] [stderr] | ^^^^^^^ ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `for` head expression [INFO] [stderr] --> src/test_asymptotes.rs:9:14 [INFO] [stderr] | [INFO] [stderr] 9 | for i in (0..num_runs) { [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 `for` head expression [INFO] [stderr] --> src/test_asymptotes.rs:39:14 [INFO] [stderr] | [INFO] [stderr] 39 | for i in (0..num_runs) { [INFO] [stderr] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `for` head expression [INFO] [stderr] --> src/test_asymptotes.rs:74:14 [INFO] [stderr] | [INFO] [stderr] 74 | for i in (0..num_runs) { [INFO] [stderr] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `for` head expression [INFO] [stderr] --> src/test_asymptotes.rs:108:14 [INFO] [stderr] | [INFO] [stderr] 108 | for i in (0..num_runs) { [INFO] [stderr] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:285:61 [INFO] [stderr] | [INFO] [stderr] 285 | self.min = Some((first_cluster [INFO] [stderr] | _____________________________________________________________^ [INFO] [stderr] 286 | | * self.children.len() as T [INFO] [stderr] 287 | | + min)); [INFO] [stderr] | |___________________________________________________________________^ [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 285 | self.min = Some(first_cluster [INFO] [stderr] 286 | * self.children.len() as T [INFO] [stderr] 287 | + min); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/lib.rs:312:61 [INFO] [stderr] | [INFO] [stderr] 312 | self.max = Some((last_cluster [INFO] [stderr] | _____________________________________________________________^ [INFO] [stderr] 313 | | * self.children.len() as T [INFO] [stderr] 314 | | + max)); [INFO] [stderr] | |___________________________________________________________________^ [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 312 | self.max = Some(last_cluster [INFO] [stderr] 313 | * self.children.len() as T [INFO] [stderr] 314 | + max); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:406:25 [INFO] [stderr] | [INFO] [stderr] 406 | / return match self.children[self.high(value)].search(offset) { [INFO] [stderr] 407 | | Some(n) => { [INFO] [stderr] 408 | | return Some(n + self.high(value)*self.children.len()); [INFO] [stderr] 409 | | }, [INFO] [stderr] ... | [INFO] [stderr] 412 | | } [INFO] [stderr] 413 | | }; [INFO] [stderr] | |_________________________^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unreachable_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:420:13 [INFO] [stderr] | [INFO] [stderr] 420 | / return match self.children[next_cluster].search(offset) { [INFO] [stderr] 421 | | Some(n) => { [INFO] [stderr] 422 | | return Some(n + next_cluster*self.children.len()); [INFO] [stderr] 423 | | }, [INFO] [stderr] ... | [INFO] [stderr] 426 | | } [INFO] [stderr] 427 | | }; [INFO] [stderr] | |_____________^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:463:25 [INFO] [stderr] | [INFO] [stderr] 463 | / return match self.children[self.high(value)].search(offset) { [INFO] [stderr] 464 | | Some(n) => { [INFO] [stderr] 465 | | return Some(n + self.high(value)*self.children.len()); [INFO] [stderr] 466 | | }, [INFO] [stderr] ... | [INFO] [stderr] 469 | | } [INFO] [stderr] 470 | | }; [INFO] [stderr] | |_________________________^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:477:13 [INFO] [stderr] | [INFO] [stderr] 477 | / return match self.children[next_cluster].search(offset) { [INFO] [stderr] 478 | | Some(n) => { [INFO] [stderr] 479 | | return Some(n + next_cluster*self.children.len()); [INFO] [stderr] 480 | | }, [INFO] [stderr] ... | [INFO] [stderr] 483 | | } [INFO] [stderr] 484 | | }; [INFO] [stderr] | |_____________^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `index` [INFO] [stderr] --> src/lib.rs:59:17 [INFO] [stderr] | [INFO] [stderr] 59 | for index in 0..self_size { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_index` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `min_value` [INFO] [stderr] --> src/lib.rs:179:22 [INFO] [stderr] | [INFO] [stderr] 179 | Some(min_value) => (), [INFO] [stderr] | ^^^^^^^^^ help: consider prefixing with an underscore: `_min_value` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `min_val` [INFO] [stderr] --> src/lib.rs:384:17 [INFO] [stderr] | [INFO] [stderr] 384 | let min_val = self.min?; [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_min_val` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:62:17 [INFO] [stderr] | [INFO] [stderr] 62 | let mut aux = Self::new(pass_size); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:65:13 [INFO] [stderr] | [INFO] [stderr] 65 | let mut tree = VEBTree { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tests.rs:40:9 [INFO] [stderr] | [INFO] [stderr] 40 | let mut reference_tree = VEBTree::new(16); [INFO] [stderr] | ----^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tests.rs:55:13 [INFO] [stderr] | [INFO] [stderr] 55 | let mut reference_tree = VEBTree::new(i); [INFO] [stderr] | ----^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.88s [INFO] running `"docker" "inspect" "f0260ee73ae54c3e921f7a2c98a21cd305531c581cfd0725cfbcf317937fe538"` [INFO] running `"docker" "rm" "-f" "f0260ee73ae54c3e921f7a2c98a21cd305531c581cfd0725cfbcf317937fe538"` [INFO] [stdout] f0260ee73ae54c3e921f7a2c98a21cd305531c581cfd0725cfbcf317937fe538 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/vebtrees/0.1.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"` [INFO] [stdout] c7227b9a8b31b6223fc3cbe53f9f0e531ad5312ec3a902609ee9f861f3693dc8 [INFO] running `"docker" "start" "-a" "c7227b9a8b31b6223fc3cbe53f9f0e531ad5312ec3a902609ee9f861f3693dc8"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/vebtrees-657bac919e8c8f22 [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test tests::test_contains_correctness ... ok [INFO] [stdout] test tests::test_findnext_correctness ... ok [INFO] [stdout] test tests::test_findprev_correctness ... ok [INFO] [stdout] test tests::test_maximum_correctness ... ok [INFO] [stdout] test tests::test_insert_and_delete_correctness ... ok [INFO] [stdout] test tests::test_insert_and_delete_correctness_odd ... ok [INFO] [stdout] test tests::test_minimum_correctness ... ok [INFO] [stdout] test tests::test_search_correctness ... ok [INFO] [stdout] test test_asymptotes::test_insert_asymptote ... ok [INFO] [stdout] test test_asymptotes::test_findnext_asymptote ... ok [INFO] [stdout] test test_asymptotes::test_delete_asymptote ... ok [INFO] [stderr] Doc-tests vebtrees [INFO] [stdout] test test_asymptotes::test_findprev_asymptote ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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" "c7227b9a8b31b6223fc3cbe53f9f0e531ad5312ec3a902609ee9f861f3693dc8"` [INFO] running `"docker" "rm" "-f" "c7227b9a8b31b6223fc3cbe53f9f0e531ad5312ec3a902609ee9f861f3693dc8"` [INFO] [stdout] c7227b9a8b31b6223fc3cbe53f9f0e531ad5312ec3a902609ee9f861f3693dc8