[INFO] crate extension-trait 0.1.3 is already in cache
[INFO] extracting crate extension-trait 0.1.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/extension-trait/0.1.3
[INFO] extracting crate extension-trait 0.1.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/extension-trait/0.1.3
[INFO] validating manifest of extension-trait-0.1.3 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 extension-trait-0.1.3 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 extension-trait-0.1.3
[INFO] finished frobbing extension-trait-0.1.3
[INFO] frobbed toml for extension-trait-0.1.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/extension-trait/0.1.3/Cargo.toml
[INFO] started frobbing extension-trait-0.1.3
[INFO] finished frobbing extension-trait-0.1.3
[INFO] frobbed toml for extension-trait-0.1.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/extension-trait/0.1.3/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing extension-trait-0.1.3 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/extension-trait/0.1.3:/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] 1fb81ecdf5f003fcb41334c751823dee81af0fbb4dbf484408ec07e7f9f071a7
[INFO] running `"docker" "start" "-a" "1fb81ecdf5f003fcb41334c751823dee81af0fbb4dbf484408ec07e7f9f071a7"`
[INFO] [stderr]    Compiling extension-trait v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `"docker" "inspect" "1fb81ecdf5f003fcb41334c751823dee81af0fbb4dbf484408ec07e7f9f071a7"`
[INFO] running `"docker" "rm" "-f" "1fb81ecdf5f003fcb41334c751823dee81af0fbb4dbf484408ec07e7f9f071a7"`
[INFO] [stdout] 1fb81ecdf5f003fcb41334c751823dee81af0fbb4dbf484408ec07e7f9f071a7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/extension-trait/0.1.3:/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] 931b13d8905930ef6cf50ecbe64af9b9f92ed3a6f7e6105f47f368324e377008
[INFO] running `"docker" "start" "-a" "931b13d8905930ef6cf50ecbe64af9b9f92ed3a6f7e6105f47f368324e377008"`
[INFO] [stderr]    Compiling extension-trait v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "931b13d8905930ef6cf50ecbe64af9b9f92ed3a6f7e6105f47f368324e377008"`
[INFO] running `"docker" "rm" "-f" "931b13d8905930ef6cf50ecbe64af9b9f92ed3a6f7e6105f47f368324e377008"`
[INFO] [stdout] 931b13d8905930ef6cf50ecbe64af9b9f92ed3a6f7e6105f47f368324e377008
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/extension-trait/0.1.3:/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] 94cdb6cdd9d983bac837882d3c368c51f39587843fe7cbdb0dca17b856f6bd07
[INFO] running `"docker" "start" "-a" "94cdb6cdd9d983bac837882d3c368c51f39587843fe7cbdb0dca17b856f6bd07"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/extension_trait-a15b5ffc632153dd
[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]      Running /opt/crater/target/debug/deps/basic-dc15a7a2fde86659
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test double_bracket_conversion ... ok
[INFO] [stdout] test before_works ... ok
[INFO] [stdout] test between_works ... ok
[INFO] [stdout] test after_works ... ok
[INFO] [stdout] test double_bracket_conversion_using_where ... ok
[INFO] [stdout] test documented ... ok
[INFO] [stdout] test generic_function_extension_traits ... ok
[INFO] [stdout] test unsafe_method ... ok
[INFO] [stdout] test slice_map_ext ... ok
[INFO] [stdout] test pub_extension_trait ... ok
[INFO] [stdout] test generic_extension_traits ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests extension-trait
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - extension_trait (line 222) ... 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" "94cdb6cdd9d983bac837882d3c368c51f39587843fe7cbdb0dca17b856f6bd07"`
[INFO] running `"docker" "rm" "-f" "94cdb6cdd9d983bac837882d3c368c51f39587843fe7cbdb0dca17b856f6bd07"`
[INFO] [stdout] 94cdb6cdd9d983bac837882d3c368c51f39587843fe7cbdb0dca17b856f6bd07