[INFO] updating cached repository https://github.com/bielr/biotrees-rs
[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] f832804f9a4d4dc24e1c165cf0362387a4115d60
[INFO] testing bielr/biotrees-rs against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbielr%2Fbiotrees-rs" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bielr/biotrees-rs 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/bielr/biotrees-rs
[INFO] finished tweaking git repo https://github.com/bielr/biotrees-rs
[INFO] tweaked toml for git repo https://github.com/bielr/biotrees-rs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] f23d10f0070530e1000013eccc08494989876f447a8cdf4e304c333caf7b3171
[INFO] running `"docker" "start" "-a" "f23d10f0070530e1000013eccc08494989876f447a8cdf4e304c333caf7b3171"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling once_cell v0.1.8
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling cached v0.8.1
[INFO] [stderr]    Compiling biotrees v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/phylo/newick.rs:54:17
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 try!(f.write_str("("));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/phylo/newick.rs:55:17
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 try!(ts[0].fmt_newick(f));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/phylo/newick.rs:58:21
[INFO] [stderr]    |
[INFO] [stderr] 58 |                     try!(f.write_str(","));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/phylo/newick.rs:59:21
[INFO] [stderr]    |
[INFO] [stderr] 59 |                     try!(t.fmt_newick(f))
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/phylo/mod.rs:127:48
[INFO] [stderr]     |
[INFO] [stderr] 127 |                     let f_ref = &mut f as &mut FnMut(&Self, R, R) -> R;
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Self, R, R) -> R`
[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/phylo/mod.rs:131:48
[INFO] [stderr]     |
[INFO] [stderr] 131 |                     let f_ref = &mut f as &mut FnMut(&Self, R, R) -> R;
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Self, R, R) -> R`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/phylo/mod.rs:141:33
[INFO] [stderr]     |
[INFO] [stderr] 141 |         where F: Fn(&Self, &mut Iterator<Item=R>) -> R,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=R>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/phylo/mod.rs:147:36
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 let f_ref = &f as &Fn(&Self, &mut Iterator<Item=R>) -> R;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Self, &mut Iterator<Item=R>) -> R`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/phylo/mod.rs:147:51
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 let f_ref = &f as &Fn(&Self, &mut Iterator<Item=R>) -> R;
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=R>`
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.59s
[INFO] running `"docker" "inspect" "f23d10f0070530e1000013eccc08494989876f447a8cdf4e304c333caf7b3171"`
[INFO] running `"docker" "rm" "-f" "f23d10f0070530e1000013eccc08494989876f447a8cdf4e304c333caf7b3171"`
[INFO] [stdout] f23d10f0070530e1000013eccc08494989876f447a8cdf4e304c333caf7b3171
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] 55b637f07c0adce07ad82aca90816095972c59df08aeab5783fa6b9bb8d6636b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "55b637f07c0adce07ad82aca90816095972c59df08aeab5783fa6b9bb8d6636b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling biotrees v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/phylo/newick.rs:54:17
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 try!(f.write_str("("));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/phylo/newick.rs:55:17
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 try!(ts[0].fmt_newick(f));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/phylo/newick.rs:58:21
[INFO] [stderr]    |
[INFO] [stderr] 58 |                     try!(f.write_str(","));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/phylo/newick.rs:59:21
[INFO] [stderr]    |
[INFO] [stderr] 59 |                     try!(t.fmt_newick(f))
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/phylo/mod.rs:127:48
[INFO] [stderr]     |
[INFO] [stderr] 127 |                     let f_ref = &mut f as &mut FnMut(&Self, R, R) -> R;
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Self, R, R) -> R`
[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/phylo/mod.rs:131:48
[INFO] [stderr]     |
[INFO] [stderr] 131 |                     let f_ref = &mut f as &mut FnMut(&Self, R, R) -> R;
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Self, R, R) -> R`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/phylo/mod.rs:141:33
[INFO] [stderr]     |
[INFO] [stderr] 141 |         where F: Fn(&Self, &mut Iterator<Item=R>) -> R,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=R>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/phylo/mod.rs:147:36
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 let f_ref = &f as &Fn(&Self, &mut Iterator<Item=R>) -> R;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Self, &mut Iterator<Item=R>) -> R`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/phylo/mod.rs:147:51
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 let f_ref = &f as &Fn(&Self, &mut Iterator<Item=R>) -> R;
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=R>`
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/phylo/newick.rs:54:17
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 try!(f.write_str("("));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/phylo/newick.rs:55:17
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 try!(ts[0].fmt_newick(f));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/phylo/newick.rs:58:21
[INFO] [stderr]    |
[INFO] [stderr] 58 |                     try!(f.write_str(","));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/phylo/newick.rs:59:21
[INFO] [stderr]    |
[INFO] [stderr] 59 |                     try!(t.fmt_newick(f))
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/phylo/mod.rs:127:48
[INFO] [stderr]     |
[INFO] [stderr] 127 |                     let f_ref = &mut f as &mut FnMut(&Self, R, R) -> R;
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Self, R, R) -> R`
[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/phylo/mod.rs:131:48
[INFO] [stderr]     |
[INFO] [stderr] 131 |                     let f_ref = &mut f as &mut FnMut(&Self, R, R) -> R;
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Self, R, R) -> R`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/phylo/mod.rs:141:33
[INFO] [stderr]     |
[INFO] [stderr] 141 |         where F: Fn(&Self, &mut Iterator<Item=R>) -> R,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=R>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/phylo/mod.rs:147:36
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 let f_ref = &f as &Fn(&Self, &mut Iterator<Item=R>) -> R;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Self, &mut Iterator<Item=R>) -> R`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/phylo/mod.rs:147:51
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 let f_ref = &f as &Fn(&Self, &mut Iterator<Item=R>) -> R;
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=R>`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sym_desc_half`
[INFO] [stderr]   --> examples/enum_balance.rs:10:4
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn sym_desc_half(t: &Shape) -> u32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sym_desc`
[INFO] [stderr]   --> examples/enum_balance.rs:29:4
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn sym_desc(t: &Shape) -> u32 {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `depth_avg`
[INFO] [stderr]   --> examples/enum_balance.rs:48:4
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn depth_avg<T>(t: &Phylo<T>) -> f64 {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `depth_var`
[INFO] [stderr]   --> examples/enum_balance.rs:55:4
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn depth_var<T>(t: &Phylo<T>) -> f64 {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `"docker" "inspect" "55b637f07c0adce07ad82aca90816095972c59df08aeab5783fa6b9bb8d6636b"`
[INFO] running `"docker" "rm" "-f" "55b637f07c0adce07ad82aca90816095972c59df08aeab5783fa6b9bb8d6636b"`
[INFO] [stdout] 55b637f07c0adce07ad82aca90816095972c59df08aeab5783fa6b9bb8d6636b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] cfe218f83e1cd1d0746e019a99eba483dc85284ca90653a46019ffe9bea537e4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "cfe218f83e1cd1d0746e019a99eba483dc85284ca90653a46019ffe9bea537e4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/phylo/newick.rs:54:17
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 try!(f.write_str("("));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/phylo/newick.rs:55:17
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 try!(ts[0].fmt_newick(f));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/phylo/newick.rs:58:21
[INFO] [stderr]    |
[INFO] [stderr] 58 |                     try!(f.write_str(","));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/phylo/newick.rs:59:21
[INFO] [stderr]    |
[INFO] [stderr] 59 |                     try!(t.fmt_newick(f))
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/phylo/mod.rs:127:48
[INFO] [stderr]     |
[INFO] [stderr] 127 |                     let f_ref = &mut f as &mut FnMut(&Self, R, R) -> R;
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Self, R, R) -> R`
[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/phylo/mod.rs:131:48
[INFO] [stderr]     |
[INFO] [stderr] 131 |                     let f_ref = &mut f as &mut FnMut(&Self, R, R) -> R;
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Self, R, R) -> R`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/phylo/mod.rs:141:33
[INFO] [stderr]     |
[INFO] [stderr] 141 |         where F: Fn(&Self, &mut Iterator<Item=R>) -> R,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=R>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/phylo/mod.rs:147:36
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 let f_ref = &f as &Fn(&Self, &mut Iterator<Item=R>) -> R;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Self, &mut Iterator<Item=R>) -> R`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/phylo/mod.rs:147:51
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 let f_ref = &f as &Fn(&Self, &mut Iterator<Item=R>) -> R;
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=R>`
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/phylo/newick.rs:54:17
[INFO] [stderr]    |
[INFO] [stderr] 54 |                 try!(f.write_str("("));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/phylo/newick.rs:55:17
[INFO] [stderr]    |
[INFO] [stderr] 55 |                 try!(ts[0].fmt_newick(f));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/phylo/newick.rs:58:21
[INFO] [stderr]    |
[INFO] [stderr] 58 |                     try!(f.write_str(","));
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/phylo/newick.rs:59:21
[INFO] [stderr]    |
[INFO] [stderr] 59 |                     try!(t.fmt_newick(f))
[INFO] [stderr]    |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/phylo/mod.rs:127:48
[INFO] [stderr]     |
[INFO] [stderr] 127 |                     let f_ref = &mut f as &mut FnMut(&Self, R, R) -> R;
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Self, R, R) -> R`
[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/phylo/mod.rs:131:48
[INFO] [stderr]     |
[INFO] [stderr] 131 |                     let f_ref = &mut f as &mut FnMut(&Self, R, R) -> R;
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&Self, R, R) -> R`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/phylo/mod.rs:141:33
[INFO] [stderr]     |
[INFO] [stderr] 141 |         where F: Fn(&Self, &mut Iterator<Item=R>) -> R,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=R>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/phylo/mod.rs:147:36
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 let f_ref = &f as &Fn(&Self, &mut Iterator<Item=R>) -> R;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Self, &mut Iterator<Item=R>) -> R`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/phylo/mod.rs:147:51
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 let f_ref = &f as &Fn(&Self, &mut Iterator<Item=R>) -> R;
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=R>`
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sym_desc_half`
[INFO] [stderr]   --> examples/enum_balance.rs:10:4
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn sym_desc_half(t: &Shape) -> u32 {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sym_desc`
[INFO] [stderr]   --> examples/enum_balance.rs:29:4
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn sym_desc(t: &Shape) -> u32 {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `depth_avg`
[INFO] [stderr]   --> examples/enum_balance.rs:48:4
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn depth_avg<T>(t: &Phylo<T>) -> f64 {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `depth_var`
[INFO] [stderr]   --> examples/enum_balance.rs:55:4
[INFO] [stderr]    |
[INFO] [stderr] 55 | fn depth_var<T>(t: &Phylo<T>) -> f64 {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/biotrees-fc34f3553fe28af6
[INFO] [stderr]    Doc-tests biotrees
[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] [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" "cfe218f83e1cd1d0746e019a99eba483dc85284ca90653a46019ffe9bea537e4"`
[INFO] running `"docker" "rm" "-f" "cfe218f83e1cd1d0746e019a99eba483dc85284ca90653a46019ffe9bea537e4"`
[INFO] [stdout] cfe218f83e1cd1d0746e019a99eba483dc85284ca90653a46019ffe9bea537e4