[INFO] updating cached repository davidbarsky/fs-sync
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/davidbarsky/fs-sync
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/davidbarsky/fs-sync" "work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/davidbarsky/fs-sync"`
[INFO] [stderr] Cloning into 'work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/davidbarsky/fs-sync'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/davidbarsky/fs-sync" "work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/davidbarsky/fs-sync"`
[INFO] [stderr] Cloning into 'work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/davidbarsky/fs-sync'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f35f62e82a0658d83c69ac81955c2dbf6f932aa2
[INFO] sha for GitHub repo davidbarsky/fs-sync: f35f62e82a0658d83c69ac81955c2dbf6f932aa2
[INFO] validating manifest of davidbarsky/fs-sync on toolchain master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of davidbarsky/fs-sync on toolchain try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing davidbarsky/fs-sync
[INFO] finished frobbing davidbarsky/fs-sync
[INFO] frobbed toml for davidbarsky/fs-sync written to work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/davidbarsky/fs-sync/Cargo.toml
[INFO] started frobbing davidbarsky/fs-sync
[INFO] finished frobbing davidbarsky/fs-sync
[INFO] frobbed toml for davidbarsky/fs-sync written to work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/davidbarsky/fs-sync/Cargo.toml
[INFO] crate davidbarsky/fs-sync has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking davidbarsky/fs-sync against try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0 for pr-57321
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57321/worker-5/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/davidbarsky/fs-sync:/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" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e1f1d8e08037c36919e420e38e43c5271d20f728c3e12ac0bccebeb4b5578e43
[INFO] running `"docker" "start" "-a" "e1f1d8e08037c36919e420e38e43c5271d20f728c3e12ac0bccebeb4b5578e43"`
[INFO] [stderr]     Checking same-file v1.0.0
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking inotify v0.3.0
[INFO] [stderr]    Compiling cmake v0.1.26
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling openssl-sys v0.9.20
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking filetime v0.1.14
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking loggerv v0.4.0
[INFO] [stderr]     Checking walkdir v2.0.1
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]    Compiling structopt-derive v0.1.1
[INFO] [stderr]     Checking miow v0.1.5
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]    Compiling libssh2-sys v0.2.6
[INFO] [stderr]     Checking globset v0.2.1
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking ignore v0.3.1
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]     Checking notify v4.0.1
[INFO] [stderr]     Checking structopt v0.1.1
[INFO] [stderr]     Checking ssh2 v0.3.2
[INFO] [stderr]     Checking fs-sync v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/local.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_empty`
[INFO] [stderr]   --> src/local.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `full_sync`
[INFO] [stderr]    --> src/local.rs:191:5
[INFO] [stderr]     |
[INFO] [stderr] 191 |     fn full_sync(&self, file_map: &PathMap) -> Result<(), Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_empty`
[INFO] [stderr]   --> src/local.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 |     pub fn is_empty(&self) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `full_sync`
[INFO] [stderr]    --> src/local.rs:191:5
[INFO] [stderr]     |
[INFO] [stderr] 191 |     fn full_sync(&self, file_map: &PathMap) -> Result<(), Error> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.97s
[INFO] running `"docker" "inspect" "e1f1d8e08037c36919e420e38e43c5271d20f728c3e12ac0bccebeb4b5578e43"`
[INFO] running `"docker" "rm" "-f" "e1f1d8e08037c36919e420e38e43c5271d20f728c3e12ac0bccebeb4b5578e43"`
[INFO] [stdout] e1f1d8e08037c36919e420e38e43c5271d20f728c3e12ac0bccebeb4b5578e43