[INFO] crate arc-io-error 0.1.1 is already in cache
[INFO] extracting crate arc-io-error 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/arc-io-error/0.1.1
[INFO] extracting crate arc-io-error 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/arc-io-error/0.1.1
[INFO] validating manifest of arc-io-error-0.1.1 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 arc-io-error-0.1.1 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 arc-io-error-0.1.1
[INFO] finished frobbing arc-io-error-0.1.1
[INFO] frobbed toml for arc-io-error-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/arc-io-error/0.1.1/Cargo.toml
[INFO] started frobbing arc-io-error-0.1.1
[INFO] finished frobbing arc-io-error-0.1.1
[INFO] frobbed toml for arc-io-error-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/arc-io-error/0.1.1/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 arc-io-error-0.1.1 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-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/arc-io-error/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 37013ef782899355bcad95adced2e5f79c58ff60f453e5dd70964424c26766c9
[INFO] running `"docker" "start" "-a" "37013ef782899355bcad95adced2e5f79c58ff60f453e5dd70964424c26766c9"`
[INFO] [stderr]    Compiling arc-io-error v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:225:56
[INFO] [stderr]     |
[INFO] [stderr] 225 |             IoErrorRepr::Custom(_, ref inner) => inner.cause(),
[INFO] [stderr]     |                                                        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:251:16
[INFO] [stderr]     |
[INFO] [stderr] 251 |         self.0.cause()
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:275:16
[INFO] [stderr]     |
[INFO] [stderr] 275 |         self.0.cause()
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `"docker" "inspect" "37013ef782899355bcad95adced2e5f79c58ff60f453e5dd70964424c26766c9"`
[INFO] running `"docker" "rm" "-f" "37013ef782899355bcad95adced2e5f79c58ff60f453e5dd70964424c26766c9"`
[INFO] [stdout] 37013ef782899355bcad95adced2e5f79c58ff60f453e5dd70964424c26766c9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/arc-io-error/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a73828db67b66aff02bd12b20f5d81c2e781521e28b413cb56bfa813a3eaa6b0
[INFO] running `"docker" "start" "-a" "a73828db67b66aff02bd12b20f5d81c2e781521e28b413cb56bfa813a3eaa6b0"`
[INFO] [stderr]    Compiling arc-io-error v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:225:56
[INFO] [stderr]     |
[INFO] [stderr] 225 |             IoErrorRepr::Custom(_, ref inner) => inner.cause(),
[INFO] [stderr]     |                                                        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:251:16
[INFO] [stderr]     |
[INFO] [stderr] 251 |         self.0.cause()
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]    --> src/lib.rs:275:16
[INFO] [stderr]     |
[INFO] [stderr] 275 |         self.0.cause()
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "a73828db67b66aff02bd12b20f5d81c2e781521e28b413cb56bfa813a3eaa6b0"`
[INFO] running `"docker" "rm" "-f" "a73828db67b66aff02bd12b20f5d81c2e781521e28b413cb56bfa813a3eaa6b0"`
[INFO] [stdout] a73828db67b66aff02bd12b20f5d81c2e781521e28b413cb56bfa813a3eaa6b0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/arc-io-error/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] ba859285d48d13015790d2cac714cac3297038ca81afa6fdf6f8718708f9e375
[INFO] running `"docker" "start" "-a" "ba859285d48d13015790d2cac714cac3297038ca81afa6fdf6f8718708f9e375"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/arc_io_error-c52539c0aac0bbe5
[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/test-83642c7d27d13846
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_kind ... ok
[INFO] [stdout] test test_os ... ok
[INFO] [stdout] test test_custom ... 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 arc-io-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" "ba859285d48d13015790d2cac714cac3297038ca81afa6fdf6f8718708f9e375"`
[INFO] running `"docker" "rm" "-f" "ba859285d48d13015790d2cac714cac3297038ca81afa6fdf6f8718708f9e375"`
[INFO] [stdout] ba859285d48d13015790d2cac714cac3297038ca81afa6fdf6f8718708f9e375