[INFO] crate libflo_error 0.1.2 is already in cache
[INFO] extracting crate libflo_error 0.1.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/libflo_error/0.1.2
[INFO] extracting crate libflo_error 0.1.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/libflo_error/0.1.2
[INFO] validating manifest of libflo_error-0.1.2 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 libflo_error-0.1.2 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 libflo_error-0.1.2
[INFO] finished frobbing libflo_error-0.1.2
[INFO] frobbed toml for libflo_error-0.1.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/libflo_error/0.1.2/Cargo.toml
[INFO] started frobbing libflo_error-0.1.2
[INFO] finished frobbing libflo_error-0.1.2
[INFO] frobbed toml for libflo_error-0.1.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/libflo_error/0.1.2/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 libflo_error-0.1.2 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-4/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/libflo_error/0.1.2:/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] 15b531b4b7e758f3968ce23a232987b0ebdf4340bc029aa4e406726a6f2a309c
[INFO] running `"docker" "start" "-a" "15b531b4b7e758f3968ce23a232987b0ebdf4340bc029aa4e406726a6f2a309c"`
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling libflo_error v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:11:33
[INFO] [stderr]    |
[INFO] [stderr] 11 |         ErrorWrapper(cause: Box<StdError + Send>) {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + Send`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `"docker" "inspect" "15b531b4b7e758f3968ce23a232987b0ebdf4340bc029aa4e406726a6f2a309c"`
[INFO] running `"docker" "rm" "-f" "15b531b4b7e758f3968ce23a232987b0ebdf4340bc029aa4e406726a6f2a309c"`
[INFO] [stdout] 15b531b4b7e758f3968ce23a232987b0ebdf4340bc029aa4e406726a6f2a309c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/libflo_error/0.1.2:/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] 5a26f96b57a949af026d2c206d8928c370235595432d80957265d847cc335985
[INFO] running `"docker" "start" "-a" "5a26f96b57a949af026d2c206d8928c370235595432d80957265d847cc335985"`
[INFO] [stderr]    Compiling libflo_error v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:11:33
[INFO] [stderr]    |
[INFO] [stderr] 11 |         ErrorWrapper(cause: Box<StdError + Send>) {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn StdError + Send`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `"docker" "inspect" "5a26f96b57a949af026d2c206d8928c370235595432d80957265d847cc335985"`
[INFO] running `"docker" "rm" "-f" "5a26f96b57a949af026d2c206d8928c370235595432d80957265d847cc335985"`
[INFO] [stdout] 5a26f96b57a949af026d2c206d8928c370235595432d80957265d847cc335985
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/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/libflo_error/0.1.2:/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] c0a65e02937fa304e8618ff9bea3aed21b9b1508b7007d11f99564632f793a83
[INFO] running `"docker" "start" "-a" "c0a65e02937fa304e8618ff9bea3aed21b9b1508b7007d11f99564632f793a83"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/libflo_error-93442ad07f769c41
[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 libflo_error
[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" "c0a65e02937fa304e8618ff9bea3aed21b9b1508b7007d11f99564632f793a83"`
[INFO] running `"docker" "rm" "-f" "c0a65e02937fa304e8618ff9bea3aed21b9b1508b7007d11f99564632f793a83"`
[INFO] [stdout] c0a65e02937fa304e8618ff9bea3aed21b9b1508b7007d11f99564632f793a83