[INFO] crate c_utf8 0.1.0 is already in cache
[INFO] testing c_utf8-0.1.0 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate c_utf8 0.1.0 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate c_utf8 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 c_utf8 0.1.0
[INFO] finished tweaking crates.io crate c_utf8 0.1.0
[INFO] tweaked toml for crates.io crate c_utf8 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] a3f2a7525acf75c9406a93e98fe76c57aca835231b370513179444e957d64cea
[INFO] running `"docker" "start" "-a" "a3f2a7525acf75c9406a93e98fe76c57aca835231b370513179444e957d64cea"`
[INFO] [stderr]    Compiling c_utf8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:53:32
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::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 0.60s
[INFO] running `"docker" "inspect" "a3f2a7525acf75c9406a93e98fe76c57aca835231b370513179444e957d64cea"`
[INFO] running `"docker" "rm" "-f" "a3f2a7525acf75c9406a93e98fe76c57aca835231b370513179444e957d64cea"`
[INFO] [stdout] a3f2a7525acf75c9406a93e98fe76c57aca835231b370513179444e957d64cea
[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] f63f8305d85c76680bc77d3d9e04de5697e31cc90872c9f7e80d98335e8c150e
[INFO] running `"docker" "start" "-a" "f63f8305d85c76680bc77d3d9e04de5697e31cc90872c9f7e80d98335e8c150e"`
[INFO] [stderr]    Compiling c_utf8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:53:32
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::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 0.45s
[INFO] running `"docker" "inspect" "f63f8305d85c76680bc77d3d9e04de5697e31cc90872c9f7e80d98335e8c150e"`
[INFO] running `"docker" "rm" "-f" "f63f8305d85c76680bc77d3d9e04de5697e31cc90872c9f7e80d98335e8c150e"`
[INFO] [stdout] f63f8305d85c76680bc77d3d9e04de5697e31cc90872c9f7e80d98335e8c150e
[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] 9dcbcd2cf988cb39ed48cac7009a0b3627b546950faf164bfa3abe5cea151826
[INFO] running `"docker" "start" "-a" "9dcbcd2cf988cb39ed48cac7009a0b3627b546950faf164bfa3abe5cea151826"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/c_utf8-43728f1bf1b7409a
[INFO] [stderr]    Doc-tests c_utf8
[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 7 tests
[INFO] [stdout] test src/c_utf8.rs - c_utf8::CUtf8::len (line 192) ... ok
[INFO] [stdout] test src/lib.rs -  (line 24) ... ok
[INFO] [stdout] test src/lib.rs - c_utf8 (line 94) ... ok
[INFO] [stdout] test src/c_utf8.rs - c_utf8::CUtf8::is_empty (line 211) ... ok
[INFO] [stdout] test src/c_utf8_buf.rs - c_utf8_buf::CUtf8Buf (line 16) ... ok
[INFO] [stdout] test src/lib.rs - c_utf8 (line 79) ... ok
[INFO] [stdout] test src/lib.rs -  (line 35) ... 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" "9dcbcd2cf988cb39ed48cac7009a0b3627b546950faf164bfa3abe5cea151826"`
[INFO] running `"docker" "rm" "-f" "9dcbcd2cf988cb39ed48cac7009a0b3627b546950faf164bfa3abe5cea151826"`
[INFO] [stdout] 9dcbcd2cf988cb39ed48cac7009a0b3627b546950faf164bfa3abe5cea151826