[INFO] updating cached repository https://github.com/zackmdavis/MarkdownFS
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2372b074ea5255cb23409f78db016be303f259c0
[INFO] checking zackmdavis/MarkdownFS against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzackmdavis%2FMarkdownFS" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zackmdavis/MarkdownFS on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/zackmdavis/MarkdownFS
[INFO] finished tweaking git repo https://github.com/zackmdavis/MarkdownFS
[INFO] tweaked toml for git repo https://github.com/zackmdavis/MarkdownFS written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/zackmdavis/MarkdownFS already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/zackmdavis/rust-fuse.git`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7e32c68b736d2059e263c9bc18dc7a9c110fde807878ea6d64d1bec0f135ea6d
[INFO] running `"docker" "start" "-a" "7e32c68b736d2059e263c9bc18dc7a9c110fde807878ea6d64d1bec0f135ea6d"`
[INFO] [stderr]     Checking libc v0.1.12
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking pipeline v0.5.0
[INFO] [stderr]    Compiling fuse v0.2.7 (https://github.com/zackmdavis/rust-fuse.git?branch=debug_trait#0b121639)
[INFO] [stderr]     Checking difference v0.4.1
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking markdown v0.1.1
[INFO] [stderr]     Checking markdownfs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filesystem.rs:23:23
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let source_file = try!(File::open(backing_path));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filesystem.rs:34:27
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let source_metadata = try!(source_file.metadata());
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filesystem.rs:23:23
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let source_file = try!(File::open(backing_path));
[INFO] [stderr]    |                       ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/filesystem.rs:34:27
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let source_metadata = try!(source_file.metadata());
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.46s
[INFO] running `"docker" "inspect" "7e32c68b736d2059e263c9bc18dc7a9c110fde807878ea6d64d1bec0f135ea6d"`
[INFO] running `"docker" "rm" "-f" "7e32c68b736d2059e263c9bc18dc7a9c110fde807878ea6d64d1bec0f135ea6d"`
[INFO] [stdout] 7e32c68b736d2059e263c9bc18dc7a9c110fde807878ea6d64d1bec0f135ea6d