[INFO] updating cached repository https://github.com/huwb/learningrust
[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] 419b6eacb02bba0520897cba8888fb5184f3a1b8
[INFO] testing huwb/learningrust against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhuwb%2Flearningrust" "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/huwb/learningrust 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/huwb/learningrust
[INFO] finished tweaking git repo https://github.com/huwb/learningrust
[INFO] tweaked toml for git repo https://github.com/huwb/learningrust written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/huwb/learningrust 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] cffa75e5243455ebc8c577244b3f21bbe0fe8514d7d807948fbe6b4179ddafa6
[INFO] running `"docker" "start" "-a" "cffa75e5243455ebc8c577244b3f21bbe0fe8514d7d807948fbe6b4179ddafa6"`
[INFO] [stderr]    Compiling simple-stopwatch v0.1.4
[INFO] [stderr]    Compiling learningrust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 13 |     state: Option<Box<State>>,
[INFO] [stderr]    |                       ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:47:47
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn request_review(self: Box<Self>) -> Box<State>;
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:48:40
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn approve(self: Box<Self>) -> Box<State>;
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:57:47
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn request_review(self: Box<Self>) -> Box<State> {
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:60:40
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn approve(self: Box<Self>) -> Box<State> {
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:68:47
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn request_review(self: Box<Self>) -> Box<State> {
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:71:40
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn approve(self: Box<Self>) -> Box<State> {
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:79:47
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn request_review(self: Box<Self>) -> Box<State> {
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:82:40
[INFO] [stderr]    |
[INFO] [stderr] 82 |     fn approve(self: Box<Self>) -> Box<State> {
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/patterns_chapter.rs:14:19
[INFO] [stderr]    |
[INFO] [stderr] 14 |         Some(y @ 1...3) => println!("It's a thricer: {}", y),
[INFO] [stderr]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/threadpool.rs:41:20
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub type Job = Box<FnBox + Send>;
[INFO] [stderr]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `"docker" "inspect" "cffa75e5243455ebc8c577244b3f21bbe0fe8514d7d807948fbe6b4179ddafa6"`
[INFO] running `"docker" "rm" "-f" "cffa75e5243455ebc8c577244b3f21bbe0fe8514d7d807948fbe6b4179ddafa6"`
[INFO] [stdout] cffa75e5243455ebc8c577244b3f21bbe0fe8514d7d807948fbe6b4179ddafa6
[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] d47801aa5a513e5904490b8caf2512ae3d2d83a033645d345dbf3dc009144a0d
[INFO] running `"docker" "start" "-a" "d47801aa5a513e5904490b8caf2512ae3d2d83a033645d345dbf3dc009144a0d"`
[INFO] [stderr]    Compiling learningrust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:13:23
[INFO] [stderr]    |
[INFO] [stderr] 13 |     state: Option<Box<State>>,
[INFO] [stderr]    |                       ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:47:47
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn request_review(self: Box<Self>) -> Box<State>;
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:48:40
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn approve(self: Box<Self>) -> Box<State>;
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:57:47
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn request_review(self: Box<Self>) -> Box<State> {
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:60:40
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn approve(self: Box<Self>) -> Box<State> {
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:68:47
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn request_review(self: Box<Self>) -> Box<State> {
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:71:40
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn approve(self: Box<Self>) -> Box<State> {
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:79:47
[INFO] [stderr]    |
[INFO] [stderr] 79 |     fn request_review(self: Box<Self>) -> Box<State> {
[INFO] [stderr]    |                                               ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/state_pattern.rs:82:40
[INFO] [stderr]    |
[INFO] [stderr] 82 |     fn approve(self: Box<Self>) -> Box<State> {
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn State`
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/patterns_chapter.rs:14:19
[INFO] [stderr]    |
[INFO] [stderr] 14 |         Some(y @ 1...3) => println!("It's a thricer: {}", y),
[INFO] [stderr]    |                   ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/threadpool.rs:41:20
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub type Job = Box<FnBox + Send>;
[INFO] [stderr]    |                    ^^^^^^^^^^^^ help: use `dyn`: `dyn FnBox + Send`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.59s
[INFO] running `"docker" "inspect" "d47801aa5a513e5904490b8caf2512ae3d2d83a033645d345dbf3dc009144a0d"`
[INFO] running `"docker" "rm" "-f" "d47801aa5a513e5904490b8caf2512ae3d2d83a033645d345dbf3dc009144a0d"`
[INFO] [stdout] d47801aa5a513e5904490b8caf2512ae3d2d83a033645d345dbf3dc009144a0d
[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] b422a4a483a8fac94dcc22bb1a0507e016d27459780d17beaad816153fa6a838
[INFO] running `"docker" "start" "-a" "b422a4a483a8fac94dcc22bb1a0507e016d27459780d17beaad816153fa6a838"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/learningrust-2d554eee9263cc30
[INFO] [stdout] 
[INFO] [stdout] running 57 tests
[INFO] [stdout] test adv_traits::tests::dist_no_edges ... ok
[INFO] [stdout] test adv_traits::tests::dist_one_edge ... ok
[INFO] [stdout] test adv_traits::tests::dist_multiple_first_shortest ... ok
[INFO] [stdout] test adv_traits::tests::dist_multiple_second_shortest ... ok
[INFO] [stdout] test adv_traits::tests::dist_one_edge_switched_nodes ... ok
[INFO] [stdout] test adv_traits::tests::dist_one_edge_bad_node ... ok
[INFO] [stdout] test adv_traits::tests::dist_two_edges ... ok
[INFO] [stdout] test closures::tests::cacher_second_call_uses_cache ... ok
[INFO] [stdout] test closures::tests::cacher_starts_empty ... ok
[INFO] [stdout] test generic_fn::tests::largest_in_list_returns_largest_value ... ok
[INFO] [stdout] test closures::tests::cacher_first_call_populates ... ok
[INFO] [stdout] test iterators::tests::counter_other_iterator_traits ... ok
[INFO] [stdout] test iterators::tests::iterator_adaptor_map ... ok
[INFO] [stdout] test iterators::tests::counter_calling_next ... ok
[INFO] [stdout] test iterators::tests::iterator_adaptor_filter ... ok
[INFO] [stdout] test iterators::tests::iterator_sum ... ok
[INFO] [stdout] test limit_tracker::tests::less_than_70pc ... ok
[INFO] [stdout] test limit_tracker::tests::more_than_100pc ... ok
[INFO] [stdout] test limit_tracker::tests::less_than_100pc ... ok
[INFO] [stdout] test new_type_pattern::tests::empty_vector ... ok
[INFO] [stdout] test new_type_pattern::tests::int_vector_1 ... ok
[INFO] [stdout] test longest_string::tests::longest_empty_strings ... ok
[INFO] [stdout] test new_type_pattern::tests::int_vector_2 ... ok
[INFO] [stdout] test points::tests::add_points ... ok
[INFO] [stdout] test points::tests::copy_constructor ... ok
[INFO] [stdout] test new_type_pattern::tests::string_vector_3 ... ok
[INFO] [stdout] test prime::tests::factors_of_zero_are_none ... ok
[INFO] [stdout] test prime::tests::factors_of_two_is_one_and_two ... ok
[INFO] [stdout] test prime::tests::one_not_prime ... ok
[INFO] [stdout] test prime::tests::nonprime_examples ... ok
[INFO] [stdout] test prime::tests::factors_three_to_six ... ok
[INFO] [stdout] test prime::tests::prime_examples ... ok
[INFO] [stdout] test prime::tests::zero_not_prime ... ok
[INFO] [stdout] test rc_refcell::tests::runtime_mutable_borrow ... ok
[INFO] [stdout] test smart_pointers::tests::mylist_add ... ok
[INFO] [stdout] test ref_cycles::tests::check_weak_and_strong_counts ... ok
[INFO] [stdout] test smart_pointers::tests::mylist_constructors ... ok
[INFO] [stdout] test smart_pointers::tests::mylist_push ... ok
[INFO] [stdout] test smart_pointers::tests::ref_count ... ok
[INFO] [stdout] test spring::tests::nonpositive_timestep_doesnt_change ... ok
[INFO] [stdout] test spring::tests::default_values ... ok
[INFO] [stdout] test spring::tests::update_default_vals ... ok
[INFO] [stdout] test spring::tests::update_stiff ... ok
[INFO] [stdout] test state_pattern::tests::draft_text_not_published ... ok
[INFO] [stdout] test state_pattern::tests::multiple_add_texts_append ... ok
[INFO] [stdout] test threadpool::tests::create_then_join ... ok
[INFO] [stdout] test state_pattern::tests::new_post_empty ... ok
[INFO] [stdout] test state_pattern::tests::requested_review_text_not_published ... ok
[INFO] [stdout] test state_pattern_rust::tests::post_workflow ... ok
[INFO] [stdout] test prime::tests::factors_of_one_is_one ... ok
[INFO] [stdout] test state_pattern::tests::approve_publishes_text ... ok
[INFO] [stdout] test generic_fn::tests::largest_in_empty_list_panics ... ok
[INFO] [stdout] test threadpool::tests::zero_thread_count_panics ... ok
[INFO] [stdout] test rc_refcell::tests::runtime_two_mutable_borrows_panics ... ok
[INFO] [stdout] test threadpool::tests::run_trivial_job ... ok
[INFO] [stdout] test prime::tests::compute_primes_st_vs_mt ... ok
[INFO] [stdout] test limit_tracker::tests::decreasing_value_panics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 57 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/learningrust-e28764f499600dd6
[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]      Running /opt/rustwide/target/debug/deps/integration_test-dd7befd7e16f3f84
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test longest_string_works ... ok
[INFO] [stdout] test check_thread_pool ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests learningrust
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/longest_string.rs - longest_string::longest (line 23) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b422a4a483a8fac94dcc22bb1a0507e016d27459780d17beaad816153fa6a838"`
[INFO] running `"docker" "rm" "-f" "b422a4a483a8fac94dcc22bb1a0507e016d27459780d17beaad816153fa6a838"`
[INFO] [stdout] b422a4a483a8fac94dcc22bb1a0507e016d27459780d17beaad816153fa6a838