[INFO] crate error-context 0.1.1 is already in cache
[INFO] extracting crate error-context 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/error-context/0.1.1
[INFO] extracting crate error-context 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/error-context/0.1.1
[INFO] validating manifest of error-context-0.1.1 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 error-context-0.1.1 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 error-context-0.1.1
[INFO] finished frobbing error-context-0.1.1
[INFO] frobbed toml for error-context-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/error-context/0.1.1/Cargo.toml
[INFO] started frobbing error-context-0.1.1
[INFO] finished frobbing error-context-0.1.1
[INFO] frobbed toml for error-context-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/error-context/0.1.1/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 error-context-0.1.1 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/error-context/0.1.1:/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] 59c2d0fb54972cc5dcf1fbec8a859b1930301433b43846e0b7bf6d99029f1155
[INFO] running `"docker" "start" "-a" "59c2d0fb54972cc5dcf1fbec8a859b1930301433b43846e0b7bf6d99029f1155"`
[INFO] [stderr]    Compiling error-context v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `"docker" "inspect" "59c2d0fb54972cc5dcf1fbec8a859b1930301433b43846e0b7bf6d99029f1155"`
[INFO] running `"docker" "rm" "-f" "59c2d0fb54972cc5dcf1fbec8a859b1930301433b43846e0b7bf6d99029f1155"`
[INFO] [stdout] 59c2d0fb54972cc5dcf1fbec8a859b1930301433b43846e0b7bf6d99029f1155
[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/error-context/0.1.1:/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] d9f51e76e057a70e121914bbbb69ff105ec33df9c388211bc60c6ba13e15ca05
[INFO] running `"docker" "start" "-a" "d9f51e76e057a70e121914bbbb69ff105ec33df9c388211bc60c6ba13e15ca05"`
[INFO] [stderr]    Compiling assert_matches v1.3.0
[INFO] [stderr]    Compiling error-context v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "d9f51e76e057a70e121914bbbb69ff105ec33df9c388211bc60c6ba13e15ca05"`
[INFO] running `"docker" "rm" "-f" "d9f51e76e057a70e121914bbbb69ff105ec33df9c388211bc60c6ba13e15ca05"`
[INFO] [stdout] d9f51e76e057a70e121914bbbb69ff105ec33df9c388211bc60c6ba13e15ca05
[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/error-context/0.1.1:/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] 13852c7fced1ebe8b7d604c23af6c8753cd0af571fdc617925d83b86f93dbf79
[INFO] running `"docker" "start" "-a" "13852c7fced1ebe8b7d604c23af6c8753cd0af571fdc617925d83b86f93dbf79"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/error_context-263e6bb04303ce6c
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_in_context_of_wrapped_context ... ok
[INFO] [stdout] test tests::test_in_context_of_type_context ... ok
[INFO] [stdout] test tests::test_wrapped_context_nested ... ok
[INFO] [stdout] test tests::test_wrap_in_context_of_type_context ... ok
[INFO] [stdout] test tests::test_wrapped_context ... ok
[INFO] [stdout] test tests::test_in_type_context ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests error-context
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 54) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "13852c7fced1ebe8b7d604c23af6c8753cd0af571fdc617925d83b86f93dbf79"`
[INFO] running `"docker" "rm" "-f" "13852c7fced1ebe8b7d604c23af6c8753cd0af571fdc617925d83b86f93dbf79"`
[INFO] [stdout] 13852c7fced1ebe8b7d604c23af6c8753cd0af571fdc617925d83b86f93dbf79