[INFO] fetching crate lava_torrent 0.3.0...
[INFO] extracting crate lava_torrent 0.3.0 into work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/lava_torrent/0.3.0
[INFO] extracting crate lava_torrent 0.3.0 into work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/lava_torrent/0.3.0
[INFO] validating manifest of lava_torrent-0.3.0 on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lava_torrent-0.3.0 on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lava_torrent-0.3.0
[INFO] finished frobbing lava_torrent-0.3.0
[INFO] frobbed toml for lava_torrent-0.3.0 written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/lava_torrent/0.3.0/Cargo.toml
[INFO] started frobbing lava_torrent-0.3.0
[INFO] finished frobbing lava_torrent-0.3.0
[INFO] frobbed toml for lava_torrent-0.3.0 written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/reg/lava_torrent/0.3.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking lava_torrent-0.3.0 against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-2/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/reg/lava_torrent/0.3.0:/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 78ac574d3bbe37a5c61f470b7ce1342e0bed57200406f608c6733531350fdd9f
[INFO] running `"docker" "start" "-a" "78ac574d3bbe37a5c61f470b7ce1342e0bed57200406f608c6733531350fdd9f"`
[INFO] [stderr]     Checking lava_torrent v0.3.0 (/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:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 | /     error_chain! {
[INFO] [stderr] 135 | |         foreign_links {
[INFO] [stderr] 136 | |             Io(::std::io::Error)
[INFO] [stderr] 137 | |             #[doc = "IO error occurred. \
[INFO] [stderr] ...   |
[INFO] [stderr] 177 | |         }
[INFO] [stderr] 178 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `usize_to_i64`
[INFO] [stderr]   --> src/util.rs:27:1
[INFO] [stderr]    |
[INFO] [stderr] 27 | pub(crate) fn usize_to_i64(src: usize) -> Result<i64> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] 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:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 | /     error_chain! {
[INFO] [stderr] 135 | |         foreign_links {
[INFO] [stderr] 136 | |             Io(::std::io::Error)
[INFO] [stderr] 137 | |             #[doc = "IO error occurred. \
[INFO] [stderr] ...   |
[INFO] [stderr] 177 | |         }
[INFO] [stderr] 178 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `"docker" "inspect" "78ac574d3bbe37a5c61f470b7ce1342e0bed57200406f608c6733531350fdd9f"`
[INFO] running `"docker" "rm" "-f" "78ac574d3bbe37a5c61f470b7ce1342e0bed57200406f608c6733531350fdd9f"`
[INFO] [stdout] 78ac574d3bbe37a5c61f470b7ce1342e0bed57200406f608c6733531350fdd9f