Dec 18 16:31:29.659 INFO checking filearco-0.1.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 16:31:29.659 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/filearco/0.1.0:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 16:31:30.232 INFO [stdout] 0f6af2c424a97618f51a774aae9217437468ff73db3fbd8956bb6b4f2365f923
Dec 18 16:31:30.238 INFO running `"docker" "start" "-a" "0f6af2c424a97618f51a774aae9217437468ff73db3fbd8956bb6b4f2365f923"`
Dec 18 16:31:31.233 INFO [stderr]     Checking page_size v0.4.1
Dec 18 16:31:31.480 INFO [stderr]     Checking memadvise v0.1.2
Dec 18 16:31:31.480 INFO [stderr]     Checking filearco v0.1.0 (/opt/crater/workdir)
Dec 18 16:31:32.024 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 16:31:32.024 INFO [stderr]   --> src/lib.rs:97:40
Dec 18 16:31:32.024 INFO [stderr]    |
Dec 18 16:31:32.024 INFO [stderr] 97 |             &Error::Io(ref err) => err.cause(),
Dec 18 16:31:32.024 INFO [stderr]    |                                        ^^^^^
Dec 18 16:31:32.024 INFO [stderr]    |
Dec 18 16:31:32.024 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 16:31:32.024 INFO [stderr] 
Dec 18 16:31:32.024 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 16:31:32.024 INFO [stderr]   --> src/lib.rs:98:42
Dec 18 16:31:32.024 INFO [stderr]    |
Dec 18 16:31:32.025 INFO [stderr] 98 |             &Error::Utf8(ref err) => err.cause(),
Dec 18 16:31:32.025 INFO [stderr]    |                                          ^^^^^
Dec 18 16:31:32.025 INFO [stderr] 
Dec 18 16:31:32.025 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 16:31:32.025 INFO [stderr]   --> src/lib.rs:99:45
Dec 18 16:31:32.025 INFO [stderr]    |
Dec 18 16:31:32.025 INFO [stderr] 99 |             &Error::Walkdir(ref err) => err.cause(),
Dec 18 16:31:32.025 INFO [stderr]    |                                             ^^^^^
Dec 18 16:31:32.025 INFO [stderr] 
Dec 18 16:31:32.025 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 16:31:32.025 INFO [stderr]    --> src/lib.rs:100:48
Dec 18 16:31:32.025 INFO [stderr]     |
Dec 18 16:31:32.025 INFO [stderr] 100 |             &Error::FileArcoV1(ref err) => err.cause(),
Dec 18 16:31:32.025 INFO [stderr]     |                                                ^^^^^
Dec 18 16:31:32.025 INFO [stderr] 
Dec 18 16:31:32.025 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 16:31:32.025 INFO [stderr]    --> src/lib.rs:101:46
Dec 18 16:31:32.025 INFO [stderr]     |
Dec 18 16:31:32.025 INFO [stderr] 101 |             &Error::FileData(ref err) => err.cause(),
Dec 18 16:31:32.025 INFO [stderr]     |                                              ^^^^^
Dec 18 16:31:32.025 INFO [stderr] 
Dec 18 16:31:32.456 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 16:31:32.456 INFO [stderr]   --> src/lib.rs:97:40
Dec 18 16:31:32.456 INFO [stderr]    |
Dec 18 16:31:32.456 INFO [stderr] 97 |             &Error::Io(ref err) => err.cause(),
Dec 18 16:31:32.456 INFO [stderr]    |                                        ^^^^^
Dec 18 16:31:32.456 INFO [stderr]    |
Dec 18 16:31:32.456 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 16:31:32.456 INFO [stderr] 
Dec 18 16:31:32.456 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 16:31:32.456 INFO [stderr]   --> src/lib.rs:98:42
Dec 18 16:31:32.456 INFO [stderr]    |
Dec 18 16:31:32.456 INFO [stderr] 98 |             &Error::Utf8(ref err) => err.cause(),
Dec 18 16:31:32.456 INFO [stderr]    |                                          ^^^^^
Dec 18 16:31:32.456 INFO [stderr] 
Dec 18 16:31:32.456 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 16:31:32.456 INFO [stderr]   --> src/lib.rs:99:45
Dec 18 16:31:32.456 INFO [stderr]    |
Dec 18 16:31:32.456 INFO [stderr] 99 |             &Error::Walkdir(ref err) => err.cause(),
Dec 18 16:31:32.456 INFO [stderr]    |                                             ^^^^^
Dec 18 16:31:32.456 INFO [stderr] 
Dec 18 16:31:32.456 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 16:31:32.456 INFO [stderr]    --> src/lib.rs:100:48
Dec 18 16:31:32.456 INFO [stderr]     |
Dec 18 16:31:32.456 INFO [stderr] 100 |             &Error::FileArcoV1(ref err) => err.cause(),
Dec 18 16:31:32.456 INFO [stderr]     |                                                ^^^^^
Dec 18 16:31:32.456 INFO [stderr] 
Dec 18 16:31:32.456 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 16:31:32.456 INFO [stderr]    --> src/lib.rs:101:46
Dec 18 16:31:32.456 INFO [stderr]     |
Dec 18 16:31:32.456 INFO [stderr] 101 |             &Error::FileData(ref err) => err.cause(),
Dec 18 16:31:32.456 INFO [stderr]     |                                              ^^^^^
Dec 18 16:31:32.456 INFO [stderr] 
Dec 18 16:31:33.397 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.24s
Dec 18 16:31:33.718 INFO running `"docker" "inspect" "0f6af2c424a97618f51a774aae9217437468ff73db3fbd8956bb6b4f2365f923"`
Dec 18 16:31:33.854 INFO running `"docker" "rm" "-f" "0f6af2c424a97618f51a774aae9217437468ff73db3fbd8956bb6b4f2365f923"`
Dec 18 16:31:33.945 INFO [stdout] 0f6af2c424a97618f51a774aae9217437468ff73db3fbd8956bb6b4f2365f923