[INFO] crate memcache 0.9.1 is already in cache
[INFO] extracting crate memcache 0.9.1 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/memcache/0.9.1
[INFO] extracting crate memcache 0.9.1 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/memcache/0.9.1
[INFO] validating manifest of memcache-0.9.1 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of memcache-0.9.1 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing memcache-0.9.1
[INFO] finished frobbing memcache-0.9.1
[INFO] frobbed toml for memcache-0.9.1 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/memcache/0.9.1/Cargo.toml
[INFO] started frobbing memcache-0.9.1
[INFO] finished frobbing memcache-0.9.1
[INFO] frobbed toml for memcache-0.9.1 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/memcache/0.9.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] building memcache-0.9.1 against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/memcache/0.9.1:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] 3fedd828d82ce97aabf074a493a12089d68ec6ab7855e76aa7ef96053b3870db
[INFO] running `"docker" "start" "-a" "3fedd828d82ce97aabf074a493a12089d68ec6ab7855e76aa7ef96053b3870db"`
[INFO] [stderr]    Compiling memcache v0.9.1 (/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/error.rs:51:47
[INFO] [stderr]    |
[INFO] [stderr] 51 |             MemcacheError::Io(ref err) => err.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/error.rs:52:53
[INFO] [stderr]    |
[INFO] [stderr] 52 |             MemcacheError::FromUtf8(ref err) => err.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/error.rs:53:58
[INFO] [stderr]    |
[INFO] [stderr] 53 |             MemcacheError::ParseIntError(ref err) => err.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/error.rs:54:60
[INFO] [stderr]    |
[INFO] [stderr] 54 |             MemcacheError::ParseFloatError(ref err) => err.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/error.rs:55:59
[INFO] [stderr]    |
[INFO] [stderr] 55 |             MemcacheError::ParseBoolError(ref err) => err.cause(),
[INFO] [stderr]    |                                                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `"docker" "inspect" "3fedd828d82ce97aabf074a493a12089d68ec6ab7855e76aa7ef96053b3870db"`
[INFO] running `"docker" "rm" "-f" "3fedd828d82ce97aabf074a493a12089d68ec6ab7855e76aa7ef96053b3870db"`
[INFO] [stdout] 3fedd828d82ce97aabf074a493a12089d68ec6ab7855e76aa7ef96053b3870db
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-7/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/memcache/0.9.1:/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=forbid" "-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" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] cb042b22f9d466c7d5f6c96593ebc998c3d73bfc7403c0d0ff996b16d9ebba68
[INFO] running `"docker" "start" "-a" "cb042b22f9d466c7d5f6c96593ebc998c3d73bfc7403c0d0ff996b16d9ebba68"`
[INFO] [stderr]    Compiling memcache v0.9.1 (/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/error.rs:51:47
[INFO] [stderr]    |
[INFO] [stderr] 51 |             MemcacheError::Io(ref err) => err.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/error.rs:52:53
[INFO] [stderr]    |
[INFO] [stderr] 52 |             MemcacheError::FromUtf8(ref err) => err.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/error.rs:53:58
[INFO] [stderr]    |
[INFO] [stderr] 53 |             MemcacheError::ParseIntError(ref err) => err.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/error.rs:54:60
[INFO] [stderr]    |
[INFO] [stderr] 54 |             MemcacheError::ParseFloatError(ref err) => err.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/error.rs:55:59
[INFO] [stderr]    |
[INFO] [stderr] 55 |             MemcacheError::ParseBoolError(ref err) => err.cause(),
[INFO] [stderr]    |                                                           ^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.62s
[INFO] running `"docker" "inspect" "cb042b22f9d466c7d5f6c96593ebc998c3d73bfc7403c0d0ff996b16d9ebba68"`
[INFO] running `"docker" "rm" "-f" "cb042b22f9d466c7d5f6c96593ebc998c3d73bfc7403c0d0ff996b16d9ebba68"`
[INFO] [stdout] cb042b22f9d466c7d5f6c96593ebc998c3d73bfc7403c0d0ff996b16d9ebba68