[INFO] crate rexiv2 0.7.0 is already in cache
[INFO] extracting crate rexiv2 0.7.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rexiv2/0.7.0
[INFO] extracting crate rexiv2 0.7.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rexiv2/0.7.0
[INFO] validating manifest of rexiv2-0.7.0 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 rexiv2-0.7.0 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 rexiv2-0.7.0
[INFO] removed 1 missing tests
[INFO] finished frobbing rexiv2-0.7.0
[INFO] frobbed toml for rexiv2-0.7.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rexiv2/0.7.0/Cargo.toml
[INFO] started frobbing rexiv2-0.7.0
[INFO] removed 1 missing tests
[INFO] finished frobbing rexiv2-0.7.0
[INFO] frobbed toml for rexiv2-0.7.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rexiv2/0.7.0/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 rexiv2-0.7.0 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-5/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/rexiv2/0.7.0:/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] 413799f6e428ec1218e4aec3230d85a0d9290ff4a75eddc97fe53dfccf9f4cc3
[INFO] running `"docker" "start" "-a" "413799f6e428ec1218e4aec3230d85a0d9290ff4a75eddc97fe53dfccf9f4cc3"`
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling gexiv2-sys v1.1.0
[INFO] [stderr]    Compiling rexiv2 v0.7.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:84:32
[INFO] [stderr]    |
[INFO] [stderr] 84 |     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 5.05s
[INFO] running `"docker" "inspect" "413799f6e428ec1218e4aec3230d85a0d9290ff4a75eddc97fe53dfccf9f4cc3"`
[INFO] running `"docker" "rm" "-f" "413799f6e428ec1218e4aec3230d85a0d9290ff4a75eddc97fe53dfccf9f4cc3"`
[INFO] [stdout] 413799f6e428ec1218e4aec3230d85a0d9290ff4a75eddc97fe53dfccf9f4cc3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/rexiv2/0.7.0:/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] 3d832dc233bcb9ce1bbde8c364f2f3f44fe68116899eac89e14f6c20a6b7d9a6
[INFO] running `"docker" "start" "-a" "3d832dc233bcb9ce1bbde8c364f2f3f44fe68116899eac89e14f6c20a6b7d9a6"`
[INFO] [stderr]    Compiling rexiv2 v0.7.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:84:32
[INFO] [stderr]    |
[INFO] [stderr] 84 |     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 0.78s
[INFO] running `"docker" "inspect" "3d832dc233bcb9ce1bbde8c364f2f3f44fe68116899eac89e14f6c20a6b7d9a6"`
[INFO] running `"docker" "rm" "-f" "3d832dc233bcb9ce1bbde8c364f2f3f44fe68116899eac89e14f6c20a6b7d9a6"`
[INFO] [stdout] 3d832dc233bcb9ce1bbde8c364f2f3f44fe68116899eac89e14f6c20a6b7d9a6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/rexiv2/0.7.0:/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] bb425b0d21387d450e8b8875ba8474b8b4a33515595449be878932c7173baf19
[INFO] running `"docker" "start" "-a" "bb425b0d21387d450e8b8875ba8474b8b4a33515595449be878932c7173baf19"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rexiv2-11cf501afc2d25a0
[INFO] [stderr]    Doc-tests rexiv2
[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 13 tests
[INFO] [stdout] test src/lib.rs -  (line 26) ... ok
[INFO] [stdout] test src/lib.rs - Metadata::new_from_path (line 275) ... ok
[INFO] [stdout] test src/lib.rs - get_tag_label (line 758) ... ok
[INFO] [stdout] test src/lib.rs - Metadata::new_from_buffer (line 297) ... ok
[INFO] [stdout] test src/lib.rs - is_exif_tag (line 722) ... ok
[INFO] [stdout] test src/lib.rs - get_tag_description (line 775) ... ok
[INFO] [stdout] test src/lib.rs - initialize (line 841) ... ok
[INFO] [stdout] test src/lib.rs - get_tag_type (line 793) ... ok
[INFO] [stdout] test src/lib.rs - is_iptc_tag (line 734) ... ok
[INFO] [stdout] test src/lib.rs - is_xmp_tag (line 746) ... ok
[INFO] [stdout] test src/lib.rs - register_xmp_namespace (line 863) ... ok
[INFO] [stdout] test src/lib.rs - unregister_all_xmp_namespaces (line 900) ... ok
[INFO] [stdout] test src/lib.rs - unregister_xmp_namespace (line 883) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "bb425b0d21387d450e8b8875ba8474b8b4a33515595449be878932c7173baf19"`
[INFO] running `"docker" "rm" "-f" "bb425b0d21387d450e8b8875ba8474b8b4a33515595449be878932c7173baf19"`
[INFO] [stdout] bb425b0d21387d450e8b8875ba8474b8b4a33515595449be878932c7173baf19