[INFO] crate wybr 0.0.2 is already in cache
[INFO] extracting crate wybr 0.0.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/wybr/0.0.2
[INFO] extracting crate wybr 0.0.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/wybr/0.0.2
[INFO] validating manifest of wybr-0.0.2 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wybr-0.0.2 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing wybr-0.0.2
[INFO] finished frobbing wybr-0.0.2
[INFO] frobbed toml for wybr-0.0.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/wybr/0.0.2/Cargo.toml
[INFO] started frobbing wybr-0.0.2
[INFO] finished frobbing wybr-0.0.2
[INFO] frobbed toml for wybr-0.0.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/wybr/0.0.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing wybr-0.0.2 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/wybr/0.0.2:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] d0201ea0003d31912da29f6b0ca1fc4b2eae6924cade340c91ece866da934097
[INFO] running `"docker" "start" "-a" "d0201ea0003d31912da29f6b0ca1fc4b2eae6924cade340c91ece866da934097"`
[INFO] [stderr]    Compiling wybr v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/blt_reader.rs:15:21
[INFO] [stderr]    |
[INFO] [stderr] 15 |     stream: &'a mut BufRead,
[INFO] [stderr]    |                     ^^^^^^^ help: use `dyn`: `dyn BufRead`
[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/io/blt_reader.rs:19:29
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn new(stream: &mut BufRead) -> BltReader {
[INFO] [stderr]    |                             ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.96s
[INFO] running `"docker" "inspect" "d0201ea0003d31912da29f6b0ca1fc4b2eae6924cade340c91ece866da934097"`
[INFO] running `"docker" "rm" "-f" "d0201ea0003d31912da29f6b0ca1fc4b2eae6924cade340c91ece866da934097"`
[INFO] [stdout] d0201ea0003d31912da29f6b0ca1fc4b2eae6924cade340c91ece866da934097
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/wybr/0.0.2:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 19458ba83a686f9bd818799e11f0374549352c68157cc07cf9dab3cab6e22f82
[INFO] running `"docker" "start" "-a" "19458ba83a686f9bd818799e11f0374549352c68157cc07cf9dab3cab6e22f82"`
[INFO] [stderr]    Compiling wybr v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/io/blt_reader.rs:15:21
[INFO] [stderr]    |
[INFO] [stderr] 15 |     stream: &'a mut BufRead,
[INFO] [stderr]    |                     ^^^^^^^ help: use `dyn`: `dyn BufRead`
[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/io/blt_reader.rs:19:29
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn new(stream: &mut BufRead) -> BltReader {
[INFO] [stderr]    |                             ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.55s
[INFO] running `"docker" "inspect" "19458ba83a686f9bd818799e11f0374549352c68157cc07cf9dab3cab6e22f82"`
[INFO] running `"docker" "rm" "-f" "19458ba83a686f9bd818799e11f0374549352c68157cc07cf9dab3cab6e22f82"`
[INFO] [stdout] 19458ba83a686f9bd818799e11f0374549352c68157cc07cf9dab3cab6e22f82
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/wybr/0.0.2:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 3ef7bda20579f99dd247016f61fac5f70e78234876d6be0e8221e48db335cd8e
[INFO] running `"docker" "start" "-a" "3ef7bda20579f99dd247016f61fac5f70e78234876d6be0e8221e48db335cd8e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/wybr-793362cb7b26e7dd
[INFO] [stdout] 
[INFO] [stdout] running 69 tests
[INFO] [stdout] test methods::alternative::tests::alt_deeper ... ok
[INFO] [stdout] test methods::alternative::tests::alt_empty ... ok
[INFO] [stdout] test methods::baldwin::tests::with_tie ... ok
[INFO] [stdout] test methods::alternative::tests::alt_basic ... ok
[INFO] [stdout] test methods::baldwin::tests::demo ... ok
[INFO] [stdout] test io::blt_reader::tests::parse_sample_blt ... ok
[INFO] [stdout] test io::blt_reader::tests::blt_header ... ok
[INFO] [stdout] test io::blt_reader::tests::blt_cannot_parse ... ok
[INFO] [stdout] test io::blt_reader::tests::blt_bad_cand ... ok
[INFO] [stdout] test common::tests::election_error_msg ... ok
[INFO] [stdout] test methods::borda::tests::borda_empty ... ok
[INFO] [stdout] test methods::borda::tests::borda_multi ... ok
[INFO] [stdout] test methods::borda::tests::borda_simple ... ok
[INFO] [stdout] test methods::irv::tests::basic ... ok
[INFO] [stdout] test methods::irv::tests::empty ... ok
[INFO] [stdout] test methods::borda::tests::demo ... ok
[INFO] [stdout] test methods::minimax::tests::minimax_basic ... ok
[INFO] [stdout] test methods::meek::tests::meek_empty ... ok
[INFO] [stdout] test methods::minimax::tests::no_cands ... ok
[INFO] [stdout] test methods::meek::tests::meek_withdrawn ... ok
[INFO] [stdout] test methods::nanson::tests::single_cand ... ok
[INFO] [stdout] test methods::ranked_pairs::cand_pair::tests::cand_pair ... ok
[INFO] [stdout] test methods::borda::tests::borda_wiki ... ok
[INFO] [stdout] test methods::nanson::tests::with_tie ... ok
[INFO] [stdout] test methods::ranked_pairs::forced_dag::tests::basic ... ok
[INFO] [stdout] test methods::ranked_pairs::tests::no_cands ... ok
[INFO] [stdout] test methods::ranked_pairs::tests::ranked_pairs_co2 ... ok
[INFO] [stdout] test methods::ranked_pairs::tests::ranked_pairs_no_wins ... ok
[INFO] [stdout] test methods::meek::tests::meek_alts_more ... ok
[INFO] [stdout] test methods::ranked_pairs::tests::ranked_pairs_determinism ... ok
[INFO] [stdout] test methods::schulze::tests::schulze_basic ... ok
[INFO] [stdout] test methods::ranked_pairs::tests::ranked_pairs_schulze_wiki ... ok
[INFO] [stdout] test methods::schulze::tests::schulze_no_cands ... ok
[INFO] [stdout] test methods::schulze::tests::schulze_no_wins ... ok
[INFO] [stdout] test methods::meek::tests::meek_alts ... ok
[INFO] [stdout] test methods::schulze::tests::schulze_wiki ... ok
[INFO] [stdout] test methods::smith_schwartz::strongly_connected::tests::sc_tricky ... ok
[INFO] [stdout] test methods::ranked_pairs::tests::ranked_pairs_basic ... ok
[INFO] [stdout] test methods::smith_schwartz::strongly_connected::tests::sc_ex ... ok
[INFO] [stdout] test methods::nanson::tests::empty ... ok
[INFO] [stdout] test methods::smith_schwartz::strongly_connected::tests::sc_vm ... ok
[INFO] [stdout] test methods::smith_schwartz::tests::ss_full_tie ... ok
[INFO] [stdout] test methods::nanson::tests::demo ... ok
[INFO] [stdout] test methods::minimax::tests::overflows ... ok
[INFO] [stdout] test outcome::tests::placeholder_names ... ok
[INFO] [stdout] test prng::tests::cmp_with_c ... ok
[INFO] [stdout] test prng::tests::shuffle ... ok
[INFO] [stdout] test prng::tests::only_element ... ok
[INFO] [stdout] test prng::tests::state_stack ... ok
[INFO] [stdout] test methods::smith_schwartz::tests::ss_leader_tie ... ok
[INFO] [stdout] test prng::tests::upto ... ok
[INFO] [stdout] test methods::smith_schwartz::tests::ss_weak ... ok
[INFO] [stdout] test methods::smith_schwartz::tests::ss_cycle ... ok
[INFO] [stdout] test methods::smith_schwartz::tests::ss_simple ... ok
[INFO] [stdout] test tally::vote_matrix::tests::from_blt_and_idx ... ok
[INFO] [stdout] test methods::smith_schwartz::tests::ss_cycle_alt ... ok
[INFO] [stdout] test prng::tests::random_element ... ok
[INFO] [stdout] test tally::vote_tree::tests::assign_zero ... ok
[INFO] [stdout] test tally::vote_tree::tests::assign_votes_discrete ... ok
[INFO] [stdout] test tally::vote_tree::tests::ballot_streaming ... ok
[INFO] [stdout] test tally::vote_tree::tests::count_ranks ... ok
[INFO] [stdout] test tally::tests::no_file_errors ... ok
[INFO] [stdout] test tally::vote_tree::tests::vote_tree_collect ... ok
[INFO] [stdout] test tally::tests::file_read ... ok
[INFO] [stdout] test tally::vote_tree::tests::count_ranks_skip ... ok
[INFO] [stdout] test tally::vote_tree::tests::stv_branch_test ... ok
[INFO] [stdout] test tally::vote_tree::tests::stv_from_blt ... ok
[INFO] [stdout] test tally::vote_tree::tests::transfer_votes ... ok
[INFO] [stdout] test tally::vote_tree::tests::transfer_zero_weight ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 69 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wybr
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/methods/irv.rs - methods::irv (line 14) ... ok
[INFO] [stdout] test src/methods/alternative.rs - methods::alternative (line 10) ... ok
[INFO] [stdout] test src/methods/baldwin.rs - methods::baldwin (line 14) ... ok
[INFO] [stdout] test src/methods/minimax.rs - methods::minimax (line 10) ... ok
[INFO] [stdout] test src/methods/ranked_pairs.rs - methods::ranked_pairs (line 22) ... ok
[INFO] [stdout] test src/methods/nanson.rs - methods::nanson (line 14) ... ok
[INFO] [stdout] test src/methods/borda.rs - methods::borda (line 20) ... ok
[INFO] [stdout] test src/methods/meek.rs - methods::meek (line 22) ... ok
[INFO] [stdout] test src/methods/schulze.rs - methods::schulze (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3ef7bda20579f99dd247016f61fac5f70e78234876d6be0e8221e48db335cd8e"`
[INFO] running `"docker" "rm" "-f" "3ef7bda20579f99dd247016f61fac5f70e78234876d6be0e8221e48db335cd8e"`
[INFO] [stdout] 3ef7bda20579f99dd247016f61fac5f70e78234876d6be0e8221e48db335cd8e