[INFO] crate chainerror 0.4.3 is already in cache
[INFO] extracting crate chainerror 0.4.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/chainerror/0.4.3
[INFO] extracting crate chainerror 0.4.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/chainerror/0.4.3
[INFO] validating manifest of chainerror-0.4.3 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 chainerror-0.4.3 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 chainerror-0.4.3
[INFO] finished frobbing chainerror-0.4.3
[INFO] frobbed toml for chainerror-0.4.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/chainerror/0.4.3/Cargo.toml
[INFO] started frobbing chainerror-0.4.3
[INFO] finished frobbing chainerror-0.4.3
[INFO] frobbed toml for chainerror-0.4.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/chainerror/0.4.3/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 chainerror-0.4.3 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/chainerror/0.4.3:/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] bdc0b86875c5b7be9cad8ed91701c55af1d89c86d179cee498346f539b60438f
[INFO] running `"docker" "start" "-a" "bdc0b86875c5b7be9cad8ed91701c55af1d89c86d179cee498346f539b60438f"`
[INFO] [stderr]    Compiling chainerror v0.4.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `"docker" "inspect" "bdc0b86875c5b7be9cad8ed91701c55af1d89c86d179cee498346f539b60438f"`
[INFO] running `"docker" "rm" "-f" "bdc0b86875c5b7be9cad8ed91701c55af1d89c86d179cee498346f539b60438f"`
[INFO] [stdout] bdc0b86875c5b7be9cad8ed91701c55af1d89c86d179cee498346f539b60438f
[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/chainerror/0.4.3:/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] d7b0593a225158e981ceffb585b0e717b655d269d0f6288340fa910bb3331880
[INFO] running `"docker" "start" "-a" "d7b0593a225158e981ceffb585b0e717b655d269d0f6288340fa910bb3331880"`
[INFO] [stderr]    Compiling chainerror v0.4.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> tests/test_iter.rs:7:34
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn test_iter() -> Result<(), Box<Error>> {
[INFO] [stderr]   |                                  ^^^^^ help: use `dyn`: `dyn 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]   --> tests/test_iter.rs:34:40
[INFO] [stderr]    |
[INFO] [stderr] 34 | fn test_find_cause() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/test_iter.rs:51:40
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn test_root_cause() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                        ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `"docker" "inspect" "d7b0593a225158e981ceffb585b0e717b655d269d0f6288340fa910bb3331880"`
[INFO] running `"docker" "rm" "-f" "d7b0593a225158e981ceffb585b0e717b655d269d0f6288340fa910bb3331880"`
[INFO] [stdout] d7b0593a225158e981ceffb585b0e717b655d269d0f6288340fa910bb3331880
[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/chainerror/0.4.3:/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] 3efb5685a0ede851c98a6f084b2df0c1b0b93c07a4f016091ebe0397c33ba2ff
[INFO] running `"docker" "start" "-a" "3efb5685a0ede851c98a6f084b2df0c1b0b93c07a4f016091ebe0397c33ba2ff"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/chainerror-9ceb0055dae622a2
[INFO] [stderr]      Running /opt/crater/target/debug/deps/test_iter-11a11fcb510f0117
[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 3 tests
[INFO] [stdout] test test_find_cause ... ok
[INFO] [stdout] test test_iter ... ok
[INFO] [stdout] test test_root_cause ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chainerror
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test src/lib.rs - ChainError<T>::find_chain_cause (line 272) ... ignored
[INFO] [stdout] test src/lib.rs - ChainError<T>::find_kind_or_cause (line 291) ... ignored
[INFO] [stdout] test src/lib.rs - cherr (line 593) ... ok
[INFO] [stdout] test src/lib.rs - cherr (line 634) ... ok
[INFO] [stdout] test src/lib.rs - derive_str_cherr (line 866) ... ok
[INFO] [stdout] test src/lib.rs - ChainError<T>::find_cause (line 219) ... ok
[INFO] [stdout] test src/lib.rs -  (line 29) ... ok
[INFO] [stdout] test src/lib.rs - ChainError<T>::kind (line 316) ... ok
[INFO] [stdout] test src/lib.rs - mstrerr (line 700) ... ok
[INFO] [stdout] test src/lib.rs -  (line 71) ... ok
[INFO] [stdout] test src/lib.rs - mstrerr (line 743) ... ok
[INFO] [stdout] test src/lib.rs - strerr (line 808) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3efb5685a0ede851c98a6f084b2df0c1b0b93c07a4f016091ebe0397c33ba2ff"`
[INFO] running `"docker" "rm" "-f" "3efb5685a0ede851c98a6f084b2df0c1b0b93c07a4f016091ebe0397c33ba2ff"`
[INFO] [stdout] 3efb5685a0ede851c98a6f084b2df0c1b0b93c07a4f016091ebe0397c33ba2ff