[INFO] crate taxonomy 0.3.1 is already in cache
[INFO] extracting crate taxonomy 0.3.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/taxonomy/0.3.1
[INFO] extracting crate taxonomy 0.3.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/taxonomy/0.3.1
[INFO] validating manifest of taxonomy-0.3.1 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 taxonomy-0.3.1 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 taxonomy-0.3.1
[INFO] finished frobbing taxonomy-0.3.1
[INFO] frobbed toml for taxonomy-0.3.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/taxonomy/0.3.1/Cargo.toml
[INFO] started frobbing taxonomy-0.3.1
[INFO] finished frobbing taxonomy-0.3.1
[INFO] frobbed toml for taxonomy-0.3.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/taxonomy/0.3.1/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 taxonomy-0.3.1 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/taxonomy/0.3.1:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 6b3706bc6faaaa53e5b46cd02cb302e5fcf2d7839cd48e71ecf3952add838039
[INFO] running `"docker" "start" "-a" "6b3706bc6faaaa53e5b46cd02cb302e5fcf2d7839cd48e71ecf3952add838039"`
[INFO] [stderr]    Compiling quick-xml v0.13.3
[INFO] [stderr]    Compiling taxonomy v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/distances.rs:15:19
[INFO] [stderr]    |
[INFO] [stderr] 15 |     taxonomy: &'t Taxonomy<'t, T, D>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Taxonomy<'t, T, D>`
[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/distances.rs:52:19
[INFO] [stderr]    |
[INFO] [stderr] 52 |     taxonomy: &'t Taxonomy<'t, T, D>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Taxonomy<'t, T, D>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/taxonomy.rs:152:14
[INFO] [stderr]     |
[INFO] [stderr] 152 |     tax: &'t Taxonomy<'t, T, D>,
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Taxonomy<'t, T, D>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/taxonomy.rs:156:25
[INFO] [stderr]     |
[INFO] [stderr] 156 |     pub fn new(tax: &'t Taxonomy<'t, T, D>, root_node: T) -> Self {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Taxonomy<'t, T, D>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.02s
[INFO] running `"docker" "inspect" "6b3706bc6faaaa53e5b46cd02cb302e5fcf2d7839cd48e71ecf3952add838039"`
[INFO] running `"docker" "rm" "-f" "6b3706bc6faaaa53e5b46cd02cb302e5fcf2d7839cd48e71ecf3952add838039"`
[INFO] [stdout] 6b3706bc6faaaa53e5b46cd02cb302e5fcf2d7839cd48e71ecf3952add838039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/taxonomy/0.3.1:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 965a2960805ede32edb504a72d38fecb68ac6a791492f78e91ef66667644454e
[INFO] running `"docker" "start" "-a" "965a2960805ede32edb504a72d38fecb68ac6a791492f78e91ef66667644454e"`
[INFO] [stderr]    Compiling taxonomy v0.3.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/distances.rs:15:19
[INFO] [stderr]    |
[INFO] [stderr] 15 |     taxonomy: &'t Taxonomy<'t, T, D>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Taxonomy<'t, T, D>`
[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/distances.rs:52:19
[INFO] [stderr]    |
[INFO] [stderr] 52 |     taxonomy: &'t Taxonomy<'t, T, D>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Taxonomy<'t, T, D>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/taxonomy.rs:152:14
[INFO] [stderr]     |
[INFO] [stderr] 152 |     tax: &'t Taxonomy<'t, T, D>,
[INFO] [stderr]     |              ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Taxonomy<'t, T, D>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/taxonomy.rs:156:25
[INFO] [stderr]     |
[INFO] [stderr] 156 |     pub fn new(tax: &'t Taxonomy<'t, T, D>, root_node: T) -> Self {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Taxonomy<'t, T, D>`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tax`
[INFO] [stderr]    --> src/formats/newick.rs:188:9
[INFO] [stderr]     |
[INFO] [stderr] 188 |     let tax = load_newick(&mut newick_str.as_ref());
[INFO] [stderr]     |         ^^^ help: consider prefixing with an underscore: `_tax`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tax`
[INFO] [stderr]    --> src/formats/newick.rs:191:9
[INFO] [stderr]     |
[INFO] [stderr] 191 |     let tax = load_newick(&mut newick_str.as_ref());
[INFO] [stderr]     |         ^^^ help: consider prefixing with an underscore: `_tax`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.73s
[INFO] running `"docker" "inspect" "965a2960805ede32edb504a72d38fecb68ac6a791492f78e91ef66667644454e"`
[INFO] running `"docker" "rm" "-f" "965a2960805ede32edb504a72d38fecb68ac6a791492f78e91ef66667644454e"`
[INFO] [stdout] 965a2960805ede32edb504a72d38fecb68ac6a791492f78e91ef66667644454e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/taxonomy/0.3.1:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 1cb0260e07147c52c868a95a375a3ec487efd234676233c09d05ba9b60c2f304
[INFO] running `"docker" "start" "-a" "1cb0260e07147c52c868a95a375a3ec487efd234676233c09d05ba9b60c2f304"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/taxonomy-e9cad8eb7ebdc8ec
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test distances::test_maximum_weighted_path ... ok
[INFO] [stdout] test taxonomy::test::test_lca ... ok
[INFO] [stdout] test taxonomy::test::test_len ... ok
[INFO] [stdout] test formats::phyloxml::test_load_phyloxml ... ok
[INFO] [stdout] test formats::newick::test_write_newick ... ok
[INFO] [stdout] test formats::newick::test_load_newick ... ok
[INFO] [stdout] test formats::ncbi::test_ncbi_importer ... ok
[INFO] [stdout] test taxonomy::test::test_parent_at_rank ... ok
[INFO] [stdout] test taxonomy::test::test_traversal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests taxonomy
[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" "1cb0260e07147c52c868a95a375a3ec487efd234676233c09d05ba9b60c2f304"`
[INFO] running `"docker" "rm" "-f" "1cb0260e07147c52c868a95a375a3ec487efd234676233c09d05ba9b60c2f304"`
[INFO] [stdout] 1cb0260e07147c52c868a95a375a3ec487efd234676233c09d05ba9b60c2f304