[INFO] updating cached repository https://github.com/T-parrish/rust_study_materials [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] 1be948677ac310df806a107da95fe50d0e209b71 [INFO] testing T-parrish/rust_study_materials against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT-parrish%2Frust_study_materials" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/T-parrish/rust_study_materials 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/T-parrish/rust_study_materials [INFO] finished tweaking git repo https://github.com/T-parrish/rust_study_materials [INFO] tweaked toml for git repo https://github.com/T-parrish/rust_study_materials written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/T-parrish/rust_study_materials 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 763ba9ac98acb56d80e093457a0f5f2df40e91e5a97e96d2d9897dd9171e8f73 [INFO] running `"docker" "start" "-a" "763ba9ac98acb56d80e093457a0f5f2df40e91e5a97e96d2d9897dd9171e8f73"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling solved_problems v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/linked_list.rs:19:8 [INFO] [stderr] | [INFO] [stderr] 19 | fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `push` [INFO] [stderr] --> src/linked_list.rs:23:8 [INFO] [stderr] | [INFO] [stderr] 23 | fn push(&mut self, data: T) { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek` [INFO] [stderr] --> src/linked_list.rs:42:8 [INFO] [stderr] | [INFO] [stderr] 42 | fn peek(&self) -> Option<&T> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek_mut` [INFO] [stderr] --> src/linked_list.rs:47:8 [INFO] [stderr] | [INFO] [stderr] 47 | fn peek_mut(&mut self) -> Option<&mut T> { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `find` [INFO] [stderr] --> src/linked_list.rs:52:8 [INFO] [stderr] | [INFO] [stderr] 52 | fn find(&mut self, target: T) -> Option { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `into_iter` [INFO] [stderr] --> src/linked_list.rs:102:8 [INFO] [stderr] | [INFO] [stderr] 102 | fn into_iter(self) -> IntoIter { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `iter` [INFO] [stderr] --> src/linked_list.rs:122:8 [INFO] [stderr] | [INFO] [stderr] 122 | fn iter(&mut self) -> Iter { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `iter_mut` [INFO] [stderr] --> src/linked_list.rs:147:8 [INFO] [stderr] | [INFO] [stderr] 147 | fn iter_mut(&mut self) -> IterMut { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases [INFO] [stderr] --> src/linked_list.rs:11:14 [INFO] [stderr] | [INFO] [stderr] 11 | type Link = Option>>; [INFO] [stderr] | ^^^^^^^^^ ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed [INFO] [stderr] | [INFO] [stderr] 11 | type Link = Option>>; [INFO] [stderr] | -- [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.43s [INFO] running `"docker" "inspect" "763ba9ac98acb56d80e093457a0f5f2df40e91e5a97e96d2d9897dd9171e8f73"` [INFO] running `"docker" "rm" "-f" "763ba9ac98acb56d80e093457a0f5f2df40e91e5a97e96d2d9897dd9171e8f73"` [INFO] [stdout] 763ba9ac98acb56d80e093457a0f5f2df40e91e5a97e96d2d9897dd9171e8f73 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] acc5d36616670f0dcd0084e8f42d87cc8895cf521e22cbc63ee8c22686193a9c [INFO] running `"docker" "start" "-a" "acc5d36616670f0dcd0084e8f42d87cc8895cf521e22cbc63ee8c22686193a9c"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/linked_list.rs:19:8 [INFO] [stderr] | [INFO] [stderr] 19 | fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `push` [INFO] [stderr] --> src/linked_list.rs:23:8 [INFO] [stderr] | [INFO] [stderr] 23 | fn push(&mut self, data: T) { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek` [INFO] [stderr] --> src/linked_list.rs:42:8 [INFO] [stderr] | [INFO] [stderr] 42 | fn peek(&self) -> Option<&T> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek_mut` [INFO] [stderr] --> src/linked_list.rs:47:8 [INFO] [stderr] | [INFO] [stderr] 47 | fn peek_mut(&mut self) -> Option<&mut T> { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `find` [INFO] [stderr] --> src/linked_list.rs:52:8 [INFO] [stderr] | [INFO] [stderr] 52 | fn find(&mut self, target: T) -> Option { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `into_iter` [INFO] [stderr] --> src/linked_list.rs:102:8 [INFO] [stderr] | [INFO] [stderr] 102 | fn into_iter(self) -> IntoIter { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `iter` [INFO] [stderr] --> src/linked_list.rs:122:8 [INFO] [stderr] | [INFO] [stderr] 122 | fn iter(&mut self) -> Iter { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `iter_mut` [INFO] [stderr] --> src/linked_list.rs:147:8 [INFO] [stderr] | [INFO] [stderr] 147 | fn iter_mut(&mut self) -> IterMut { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases [INFO] [stderr] --> src/linked_list.rs:11:14 [INFO] [stderr] | [INFO] [stderr] 11 | type Link = Option>>; [INFO] [stderr] | ^^^^^^^^^ ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed [INFO] [stderr] | [INFO] [stderr] 11 | type Link = Option>>; [INFO] [stderr] | -- [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Compiling solved_problems v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases [INFO] [stderr] --> src/linked_list.rs:11:14 [INFO] [stderr] | [INFO] [stderr] 11 | type Link = Option>>; [INFO] [stderr] | ^^^^^^^^^ ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed [INFO] [stderr] | [INFO] [stderr] 11 | type Link = Option>>; [INFO] [stderr] | -- [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.98s [INFO] running `"docker" "inspect" "acc5d36616670f0dcd0084e8f42d87cc8895cf521e22cbc63ee8c22686193a9c"` [INFO] running `"docker" "rm" "-f" "acc5d36616670f0dcd0084e8f42d87cc8895cf521e22cbc63ee8c22686193a9c"` [INFO] [stdout] acc5d36616670f0dcd0084e8f42d87cc8895cf521e22cbc63ee8c22686193a9c [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] dcc89e6b5901aa199a438b808858b1e301c6c1a1c8912db2fc52539763d361f8 [INFO] running `"docker" "start" "-a" "dcc89e6b5901aa199a438b808858b1e301c6c1a1c8912db2fc52539763d361f8"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/linked_list.rs:19:8 [INFO] [stderr] | [INFO] [stderr] 19 | fn new() -> Self { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `push` [INFO] [stderr] --> src/linked_list.rs:23:8 [INFO] [stderr] | [INFO] [stderr] 23 | fn push(&mut self, data: T) { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek` [INFO] [stderr] --> src/linked_list.rs:42:8 [INFO] [stderr] | [INFO] [stderr] 42 | fn peek(&self) -> Option<&T> { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `peek_mut` [INFO] [stderr] --> src/linked_list.rs:47:8 [INFO] [stderr] | [INFO] [stderr] 47 | fn peek_mut(&mut self) -> Option<&mut T> { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `find` [INFO] [stderr] --> src/linked_list.rs:52:8 [INFO] [stderr] | [INFO] [stderr] 52 | fn find(&mut self, target: T) -> Option { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `into_iter` [INFO] [stderr] --> src/linked_list.rs:102:8 [INFO] [stderr] | [INFO] [stderr] 102 | fn into_iter(self) -> IntoIter { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `iter` [INFO] [stderr] --> src/linked_list.rs:122:8 [INFO] [stderr] | [INFO] [stderr] 122 | fn iter(&mut self) -> Iter { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases [INFO] [stderr] --> src/linked_list.rs:11:14 [INFO] [stderr] | [INFO] [stderr] 11 | type Link = Option>>; [INFO] [stderr] | ^^^^^^^^^ ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed [INFO] [stderr] | [INFO] [stderr] 11 | type Link = Option>>; [INFO] [stderr] | -- [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `iter_mut` [INFO] [stderr] --> src/linked_list.rs:147:8 [INFO] [stderr] | [INFO] [stderr] 147 | fn iter_mut(&mut self) -> IterMut { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: bounds on generic parameters are not enforced in type aliases [INFO] [stderr] --> src/linked_list.rs:11:14 [INFO] [stderr] | [INFO] [stderr] 11 | type Link = Option>>; [INFO] [stderr] | ^^^^^^^^^ ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(type_alias_bounds)]` on by default [INFO] [stderr] help: the bound will not be checked when the type alias is used, and should be removed [INFO] [stderr] | [INFO] [stderr] 11 | type Link = Option>>; [INFO] [stderr] | -- [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/solved_problems-e5b6083b884c0b82 [INFO] [stdout] [INFO] [stdout] running 28 tests [INFO] [stdout] test linked_list::tests::test_node_finder ... ok [INFO] [stdout] test linked_list::tests::test_peek ... ok [INFO] [stdout] test search::tests::test_binary_search ... ok [INFO] [stdout] test strings::tests::test_number_reversal ... ok [INFO] [stdout] test strings::tests::test_palindrome ... ok [INFO] [stdout] test strings::tests::test_string_reversal ... ok [INFO] [stdout] test vectors::tests::test_add_one ... ok [INFO] [stdout] test vectors::tests::test_dupe_bool ... ok [INFO] [stdout] test linked_list::tests::test_into_iter ... ok [INFO] [stdout] test vectors::tests::test_intersection ... ok [INFO] [stdout] test vectors::tests::test_dupes ... ok [INFO] [stdout] test vectors::tests::test_ending_zeroes ... ok [INFO] [stdout] test strings::tests::test_anagram ... ok [INFO] [stdout] test vectors::tests::test_add_to_target ... ok [INFO] [stdout] test strings::tests::test_bracket_checker ... ok [INFO] [stdout] test vectors::tests::test_rain_catcher ... ok [INFO] [stdout] test vectors::tests::test_profits ... ok [INFO] [stdout] test vectors::tests::test_unique ... ok [INFO] [stdout] test strings::tests::test_longest_substring ... ok [INFO] [stdout] test linked_list::tests::test_iter ... ok [INFO] [stdout] test linked_list::tests::test_iter_mut ... ok [INFO] [stdout] test linked_list::tests::test_ll_push ... ok [INFO] [stdout] test vectors::tests::test_mapped_add_to_target ... ok [INFO] [stdout] test vectors::tests::test_sudoku_validator ... ok [INFO] [stdout] test strings::tests::test_string_to_int ... ok [INFO] [stdout] test strings::tests::test_unique_char ... ok [INFO] [stdout] test vectors::tests::test_rotation ... ok [INFO] [stdout] test math::tests::test_rand_gen ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/solved_problems-a7cceba761d3c389 [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] [stderr] Doc-tests solved_problems [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" "dcc89e6b5901aa199a438b808858b1e301c6c1a1c8912db2fc52539763d361f8"` [INFO] running `"docker" "rm" "-f" "dcc89e6b5901aa199a438b808858b1e301c6c1a1c8912db2fc52539763d361f8"` [INFO] [stdout] dcc89e6b5901aa199a438b808858b1e301c6c1a1c8912db2fc52539763d361f8