[INFO] fetching crate failure_ext 0.1.2...
[INFO] extracting crate failure_ext 0.1.2 into work/ex/beta-1.37-6/sources/1.36.0/reg/failure_ext/0.1.2
[INFO] extracting crate failure_ext 0.1.2 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/failure_ext/0.1.2
[INFO] validating manifest of failure_ext-0.1.2 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of failure_ext-0.1.2 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing failure_ext-0.1.2
[INFO] finished frobbing failure_ext-0.1.2
[INFO] frobbed toml for failure_ext-0.1.2 written to work/ex/beta-1.37-6/sources/1.36.0/reg/failure_ext/0.1.2/Cargo.toml
[INFO] started frobbing failure_ext-0.1.2
[INFO] finished frobbing failure_ext-0.1.2
[INFO] frobbed toml for failure_ext-0.1.2 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/failure_ext/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing failure_ext-0.1.2 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/failure_ext/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] dad4893418aa7fe37a2c6e2d9dec93ebc1f6a495ba4fbaec191f75bcdeb5941a
[INFO] running `"docker" "start" "-a" "dad4893418aa7fe37a2c6e2d9dec93ebc1f6a495ba4fbaec191f75bcdeb5941a"`
[INFO] [stderr]    Compiling failure_ext v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "dad4893418aa7fe37a2c6e2d9dec93ebc1f6a495ba4fbaec191f75bcdeb5941a"`
[INFO] running `"docker" "rm" "-f" "dad4893418aa7fe37a2c6e2d9dec93ebc1f6a495ba4fbaec191f75bcdeb5941a"`
[INFO] [stdout] dad4893418aa7fe37a2c6e2d9dec93ebc1f6a495ba4fbaec191f75bcdeb5941a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/failure_ext/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a59bd13319351ba8440d899b4deb7b4c307512581325c4a7b60a47893c58d223
[INFO] running `"docker" "start" "-a" "a59bd13319351ba8440d899b4deb7b4c307512581325c4a7b60a47893c58d223"`
[INFO] [stderr]    Compiling failure_ext v0.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "a59bd13319351ba8440d899b4deb7b4c307512581325c4a7b60a47893c58d223"`
[INFO] running `"docker" "rm" "-f" "a59bd13319351ba8440d899b4deb7b4c307512581325c4a7b60a47893c58d223"`
[INFO] [stdout] a59bd13319351ba8440d899b4deb7b4c307512581325c4a7b60a47893c58d223
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/failure_ext/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 755acb80df8f1f57e1d9259c66b9561c331eb8ea16bd04369d350b959a60c948
[INFO] running `"docker" "start" "-a" "755acb80df8f1f57e1d9259c66b9561c331eb8ea16bd04369d350b959a60c948"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/failure_ext-e1ab9073fb5ddb4e
[INFO] [stderr]    Doc-tests failure_ext
[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 1 test
[INFO] [stdout] test src/option_ext.rs - option_ext::OptionExt::ok_or_context (line 10) ... 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" "755acb80df8f1f57e1d9259c66b9561c331eb8ea16bd04369d350b959a60c948"`
[INFO] running `"docker" "rm" "-f" "755acb80df8f1f57e1d9259c66b9561c331eb8ea16bd04369d350b959a60c948"`
[INFO] [stdout] 755acb80df8f1f57e1d9259c66b9561c331eb8ea16bd04369d350b959a60c948