[INFO] crate df2 0.1.0 is already in cache
[INFO] testing df2-0.1.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate df2 0.1.0 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate df2 0.1.0 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 crates.io crate df2 0.1.0
[INFO] finished tweaking crates.io crate df2 0.1.0
[INFO] tweaked toml for crates.io crate df2 0.1.0 written to work/builds/worker-6/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] 7212e137a151ead34027cae0f106b2aec74ee7e5c4a938af689e81fc1ba787f2
[INFO] running `"docker" "start" "-a" "7212e137a151ead34027cae0f106b2aec74ee7e5c4a938af689e81fc1ba787f2"`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling strsim v0.5.2
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling docopt v0.6.86
[INFO] [stderr]    Compiling df2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:39:32
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `"docker" "inspect" "7212e137a151ead34027cae0f106b2aec74ee7e5c4a938af689e81fc1ba787f2"`
[INFO] running `"docker" "rm" "-f" "7212e137a151ead34027cae0f106b2aec74ee7e5c4a938af689e81fc1ba787f2"`
[INFO] [stdout] 7212e137a151ead34027cae0f106b2aec74ee7e5c4a938af689e81fc1ba787f2
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] 8c7c8bf8d5ea5006c9c637bdee02e2cffaa9c61e2b5265a9bfc9a3e609afc3af
[INFO] running `"docker" "start" "-a" "8c7c8bf8d5ea5006c9c637bdee02e2cffaa9c61e2b5265a9bfc9a3e609afc3af"`
[INFO] [stderr]    Compiling df2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:39:32
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "8c7c8bf8d5ea5006c9c637bdee02e2cffaa9c61e2b5265a9bfc9a3e609afc3af"`
[INFO] running `"docker" "rm" "-f" "8c7c8bf8d5ea5006c9c637bdee02e2cffaa9c61e2b5265a9bfc9a3e609afc3af"`
[INFO] [stdout] 8c7c8bf8d5ea5006c9c637bdee02e2cffaa9c61e2b5265a9bfc9a3e609afc3af
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/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] 8240a259d8896023fe5f1114751861b85b003221a726dbf65d95a35ba488576e
[INFO] running `"docker" "start" "-a" "8240a259d8896023fe5f1114751861b85b003221a726dbf65d95a35ba488576e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/df2-18134dc658efdd07
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::reader_from_path ... ok
[INFO] [stdout] test tests::reader_iterator ... ok
[INFO] [stdout] test tests::reader_read_one ... ok
[INFO] [stdout] test tests::segment_from_path ... ok
[INFO] [stdout] test tests::reader_seek_identical ... ok
[INFO] [stdout] test tests::segment_len ... ok
[INFO] [stdout] test tests::reader_seek_skip_two ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/df2-daa4b49784db8fcc
[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 df2
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - Reader<BufReader<File>>::from_path (line 79) ... ok
[INFO] [stdout] test src/lib.rs - Segment::from_read (line 227) ... ok
[INFO] [stdout] test src/lib.rs - Reader<R>::seek (line 141) ... ok
[INFO] [stdout] test src/lib.rs - Segment::is_empty (line 263) ... ok
[INFO] [stdout] test src/lib.rs - Segment::len (line 250) ... ok
[INFO] [stdout] test src/lib.rs - Segment::from_path (line 213) ... ok
[INFO] [stdout] test src/lib.rs - Reader<R>::read_one (line 94) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "8240a259d8896023fe5f1114751861b85b003221a726dbf65d95a35ba488576e"`
[INFO] running `"docker" "rm" "-f" "8240a259d8896023fe5f1114751861b85b003221a726dbf65d95a35ba488576e"`
[INFO] [stdout] 8240a259d8896023fe5f1114751861b85b003221a726dbf65d95a35ba488576e