[INFO] updating cached repository https://github.com/ChugunovRoman/finder
[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] f77442a2d880d0e0cccedf5da4d10c632aae0a7d
[INFO] testing ChugunovRoman/finder against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FChugunovRoman%2Ffinder" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ChugunovRoman/finder 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/ChugunovRoman/finder
[INFO] finished tweaking git repo https://github.com/ChugunovRoman/finder
[INFO] tweaked toml for git repo https://github.com/ChugunovRoman/finder written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ChugunovRoman/finder 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] 0bebd015dffcb39908e49a9ce2ec81d407a49f5bbaaaa1e26a3109b3baee0329
[INFO] running `"docker" "start" "-a" "0bebd015dffcb39908e49a9ce2ec81d407a49f5bbaaaa1e26a3109b3baee0329"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling finder v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `log::warn`
[INFO] [stderr]   --> src/lib.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 | use log::warn;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:73:20
[INFO] [stderr]    |
[INFO] [stderr] 73 |   filter: &'static Fn(&DirEntry) -> bool,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DirEntry) -> bool`
[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/lib.rs:89:44
[INFO] [stderr]    |
[INFO] [stderr] 89 |   pub fn filter(mut self, filter: &'static Fn(&DirEntry) -> bool) -> Self {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DirEntry) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/lib.rs:176:21
[INFO] [stderr]     |
[INFO] [stderr] 176 |         Err(ref mut err) => {
[INFO] [stderr]     |                     ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 |     if (name.ends_with(".ttf") || name.ends_with(".ttc")) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `"docker" "inspect" "0bebd015dffcb39908e49a9ce2ec81d407a49f5bbaaaa1e26a3109b3baee0329"`
[INFO] running `"docker" "rm" "-f" "0bebd015dffcb39908e49a9ce2ec81d407a49f5bbaaaa1e26a3109b3baee0329"`
[INFO] [stdout] 0bebd015dffcb39908e49a9ce2ec81d407a49f5bbaaaa1e26a3109b3baee0329
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] 26549a0c487b7dc14adda8dc675768aa7c982c89e6bd9f6eed4904c33443dc4f
[INFO] running `"docker" "start" "-a" "26549a0c487b7dc14adda8dc675768aa7c982c89e6bd9f6eed4904c33443dc4f"`
[INFO] [stderr]    Compiling rand v0.7.1
[INFO] [stderr]    Compiling finder v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/main.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 |     if (name.ends_with(".ttf") || name.ends_with(".ttc")) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log::warn`
[INFO] [stderr]   --> src/lib.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 | use log::warn;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:73:20
[INFO] [stderr]    |
[INFO] [stderr] 73 |   filter: &'static Fn(&DirEntry) -> bool,
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DirEntry) -> bool`
[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/lib.rs:89:44
[INFO] [stderr]    |
[INFO] [stderr] 89 |   pub fn filter(mut self, filter: &'static Fn(&DirEntry) -> bool) -> Self {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&DirEntry) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `err`
[INFO] [stderr]    --> src/lib.rs:176:21
[INFO] [stderr]     |
[INFO] [stderr] 176 |         Err(ref mut err) => {
[INFO] [stderr]     |                     ^^^ help: consider prefixing with an underscore: `_err`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/tests/utils.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |     for i in 0..20 {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `j`
[INFO] [stderr]   --> src/tests/utils.rs:37:11
[INFO] [stderr]    |
[INFO] [stderr] 37 |       for j in 0..200 {
[INFO] [stderr]    |           ^ help: consider prefixing with an underscore: `_j`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.77s
[INFO] running `"docker" "inspect" "26549a0c487b7dc14adda8dc675768aa7c982c89e6bd9f6eed4904c33443dc4f"`
[INFO] running `"docker" "rm" "-f" "26549a0c487b7dc14adda8dc675768aa7c982c89e6bd9f6eed4904c33443dc4f"`
[INFO] [stdout] 26549a0c487b7dc14adda8dc675768aa7c982c89e6bd9f6eed4904c33443dc4f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/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] 5e8343f3f0c09c9525add1030a81d3a15ab4e04b28722124b03b4978724f93af
[INFO] running `"docker" "start" "-a" "5e8343f3f0c09c9525add1030a81d3a15ab4e04b28722124b03b4978724f93af"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/finder-53df43d57d4af91a
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_random_dataset ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/finder-bbe13e1da4e1e205
[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 finder
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 16) ... ok
[INFO] [stdout] test src/lib.rs -  (line 33) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5e8343f3f0c09c9525add1030a81d3a15ab4e04b28722124b03b4978724f93af"`
[INFO] running `"docker" "rm" "-f" "5e8343f3f0c09c9525add1030a81d3a15ab4e04b28722124b03b4978724f93af"`
[INFO] [stdout] 5e8343f3f0c09c9525add1030a81d3a15ab4e04b28722124b03b4978724f93af