[INFO] crate ogg_metadata 0.4.1 is already in cache
[INFO] extracting crate ogg_metadata 0.4.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/ogg_metadata/0.4.1
[INFO] extracting crate ogg_metadata 0.4.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ogg_metadata/0.4.1
[INFO] validating manifest of ogg_metadata-0.4.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ogg_metadata-0.4.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ogg_metadata-0.4.1
[INFO] finished frobbing ogg_metadata-0.4.1
[INFO] frobbed toml for ogg_metadata-0.4.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/ogg_metadata/0.4.1/Cargo.toml
[INFO] started frobbing ogg_metadata-0.4.1
[INFO] finished frobbing ogg_metadata-0.4.1
[INFO] frobbed toml for ogg_metadata-0.4.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ogg_metadata/0.4.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ogg_metadata-0.4.1 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ogg_metadata/0.4.1:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 74b27fcc7df5a331857fe555701ba343d6a290de76be04a8925c588e4182059e
[INFO] running `"docker" "start" "-a" "74b27fcc7df5a331857fe555701ba343d6a290de76be04a8925c588e4182059e"`
[INFO] [stderr]    Compiling ogg v0.5.1
[INFO] [stderr]    Compiling ogg_metadata v0.4.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:102:29
[INFO] [stderr]     |
[INFO] [stderr] 102 |     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] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:105:18
[INFO] [stderr]     |
[INFO] [stderr] 105 |                 Some(err as &std::error::Error),
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `"docker" "inspect" "74b27fcc7df5a331857fe555701ba343d6a290de76be04a8925c588e4182059e"`
[INFO] running `"docker" "rm" "-f" "74b27fcc7df5a331857fe555701ba343d6a290de76be04a8925c588e4182059e"`
[INFO] [stdout] 74b27fcc7df5a331857fe555701ba343d6a290de76be04a8925c588e4182059e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ogg_metadata/0.4.1:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 38eb50cc086ddf9094a13bbfa05b71b2cbf7545734da32e3e3a8ec127af342a5
[INFO] running `"docker" "start" "-a" "38eb50cc086ddf9094a13bbfa05b71b2cbf7545734da32e3e3a8ec127af342a5"`
[INFO] [stderr]    Compiling ogg_metadata v0.4.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:102:29
[INFO] [stderr]     |
[INFO] [stderr] 102 |     fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:10:24
[INFO] [stderr]     |
[INFO] [stderr] 10  | #![cfg_attr(test, deny(warnings))]
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` implied by `#[warn(warnings)]`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:105:18
[INFO] [stderr]     |
[INFO] [stderr] 105 |                 Some(err as &std::error::Error),
[INFO] [stderr]     |                              ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "38eb50cc086ddf9094a13bbfa05b71b2cbf7545734da32e3e3a8ec127af342a5"`
[INFO] running `"docker" "rm" "-f" "38eb50cc086ddf9094a13bbfa05b71b2cbf7545734da32e3e3a8ec127af342a5"`
[INFO] [stdout] 38eb50cc086ddf9094a13bbfa05b71b2cbf7545734da32e3e3a8ec127af342a5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/ogg_metadata/0.4.1:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 512aac0bd82d8229bf1d92a34552de8b58925fc7e840209e2056044a5e484b8f
[INFO] running `"docker" "start" "-a" "512aac0bd82d8229bf1d92a34552de8b58925fc7e840209e2056044a5e484b8f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ogg_metadata-7b93ab1d49deba7c
[INFO] [stderr]    Doc-tests ogg_metadata
[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" "512aac0bd82d8229bf1d92a34552de8b58925fc7e840209e2056044a5e484b8f"`
[INFO] running `"docker" "rm" "-f" "512aac0bd82d8229bf1d92a34552de8b58925fc7e840209e2056044a5e484b8f"`
[INFO] [stdout] 512aac0bd82d8229bf1d92a34552de8b58925fc7e840209e2056044a5e484b8f