[INFO] crate rust-tags 0.3.1 is already in cache
[INFO] extracting crate rust-tags 0.3.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/rust-tags/0.3.1
[INFO] extracting crate rust-tags 0.3.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-tags/0.3.1
[INFO] validating manifest of rust-tags-0.3.1 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 rust-tags-0.3.1 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 rust-tags-0.3.1
[INFO] finished frobbing rust-tags-0.3.1
[INFO] frobbed toml for rust-tags-0.3.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rust-tags/0.3.1/Cargo.toml
[INFO] started frobbing rust-tags-0.3.1
[INFO] finished frobbing rust-tags-0.3.1
[INFO] frobbed toml for rust-tags-0.3.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust-tags/0.3.1/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 rust-tags-0.3.1 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rust-tags/0.3.1:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] f19e8f56b61794c52c0586adb8d054c10dec8c3539d3418c751012bbcfa5a8f2
[INFO] running `"docker" "start" "-a" "f19e8f56b61794c52c0586adb8d054c10dec8c3539d3418c751012bbcfa5a8f2"`
[INFO] [stderr]    Compiling rust-tags v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "f19e8f56b61794c52c0586adb8d054c10dec8c3539d3418c751012bbcfa5a8f2"`
[INFO] running `"docker" "rm" "-f" "f19e8f56b61794c52c0586adb8d054c10dec8c3539d3418c751012bbcfa5a8f2"`
[INFO] [stdout] f19e8f56b61794c52c0586adb8d054c10dec8c3539d3418c751012bbcfa5a8f2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rust-tags/0.3.1:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 34c74c4fc46dfd30b74a742dcb22a5114349b7a77da4a8e33700992165bcefd8
[INFO] running `"docker" "start" "-a" "34c74c4fc46dfd30b74a742dcb22a5114349b7a77da4a8e33700992165bcefd8"`
[INFO] [stderr]    Compiling rust-tags v0.3.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "34c74c4fc46dfd30b74a742dcb22a5114349b7a77da4a8e33700992165bcefd8"`
[INFO] running `"docker" "rm" "-f" "34c74c4fc46dfd30b74a742dcb22a5114349b7a77da4a8e33700992165bcefd8"`
[INFO] [stdout] 34c74c4fc46dfd30b74a742dcb22a5114349b7a77da4a8e33700992165bcefd8
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rust-tags/0.3.1:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 51a3b1cfe5a19c1fd782ef75497571cc31458ae08ffbde01dce0dbced4fb89d6
[INFO] running `"docker" "start" "-a" "51a3b1cfe5a19c1fd782ef75497571cc31458ae08ffbde01dce0dbced4fb89d6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_tags-803dfbb88ff6b829
[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 rust-tags
[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" "51a3b1cfe5a19c1fd782ef75497571cc31458ae08ffbde01dce0dbced4fb89d6"`
[INFO] running `"docker" "rm" "-f" "51a3b1cfe5a19c1fd782ef75497571cc31458ae08ffbde01dce0dbced4fb89d6"`
[INFO] [stdout] 51a3b1cfe5a19c1fd782ef75497571cc31458ae08ffbde01dce0dbced4fb89d6