[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 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 0b2c38ea43a6f8e2a7de143122f80e245adecdeb04fd3909e201d33a06ac6cc0
[INFO] running `"docker" "start" "-a" "0b2c38ea43a6f8e2a7de143122f80e245adecdeb04fd3909e201d33a06ac6cc0"`
[INFO] [stderr]    Compiling pkg-config v0.3.15
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[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 9.84s
[INFO] running `"docker" "inspect" "0b2c38ea43a6f8e2a7de143122f80e245adecdeb04fd3909e201d33a06ac6cc0"`
[INFO] running `"docker" "rm" "-f" "0b2c38ea43a6f8e2a7de143122f80e245adecdeb04fd3909e201d33a06ac6cc0"`
[INFO] [stdout] 0b2c38ea43a6f8e2a7de143122f80e245adecdeb04fd3909e201d33a06ac6cc0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 823a6149844a7a03a6e615927be68bf91369d4eff9749fa0ce7252ca89952604
[INFO] running `"docker" "start" "-a" "823a6149844a7a03a6e615927be68bf91369d4eff9749fa0ce7252ca89952604"`
[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 0.57s
[INFO] running `"docker" "inspect" "823a6149844a7a03a6e615927be68bf91369d4eff9749fa0ce7252ca89952604"`
[INFO] running `"docker" "rm" "-f" "823a6149844a7a03a6e615927be68bf91369d4eff9749fa0ce7252ca89952604"`
[INFO] [stdout] 823a6149844a7a03a6e615927be68bf91369d4eff9749fa0ce7252ca89952604
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 024fd543d921211acf95670ef88e7531097ea8a47d3cfeb61ed79efaeb6c5318
[INFO] running `"docker" "start" "-a" "024fd543d921211acf95670ef88e7531097ea8a47d3cfeb61ed79efaeb6c5318"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rexiv2-3e9bb0d53476e453
[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 - is_exif_tag (line 722) ... ok
[INFO] [stdout] test src/lib.rs - Metadata::new_from_buffer (line 297) ... ok
[INFO] [stdout] test src/lib.rs - get_tag_description (line 775) ... ok
[INFO] [stdout] test src/lib.rs - get_tag_type (line 793) ... ok
[INFO] [stdout] test src/lib.rs - initialize (line 841) ... ok
[INFO] [stdout] test src/lib.rs - get_tag_label (line 758) ... 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" "024fd543d921211acf95670ef88e7531097ea8a47d3cfeb61ed79efaeb6c5318"`
[INFO] running `"docker" "rm" "-f" "024fd543d921211acf95670ef88e7531097ea8a47d3cfeb61ed79efaeb6c5318"`
[INFO] [stdout] 024fd543d921211acf95670ef88e7531097ea8a47d3cfeb61ed79efaeb6c5318