[INFO] updating cached repository https://github.com/tcr/dirmanifest
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/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] 7c0c34907cd77988907203875ef2bd6441d56bdd
[INFO] testing tcr/dirmanifest against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftcr%2Fdirmanifest" "work/builds/worker-3/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tcr/dirmanifest on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/tcr/dirmanifest
[INFO] finished tweaking git repo https://github.com/tcr/dirmanifest
[INFO] tweaked toml for git repo https://github.com/tcr/dirmanifest written to work/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/tcr/dirmanifest already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /big/crater/work/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 0312c5a68c869880dc9fed3d8cce3b8ec0e4e1c550355d2fb847a1a3c898ca19
[INFO] running `"docker" "start" "-a" "0312c5a68c869880dc9fed3d8cce3b8ec0e4e1c550355d2fb847a1a3c898ca19"`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling globset v0.4.4
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling ignore v0.4.10
[INFO] [stderr]    Compiling dirmanifest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:28:19
[INFO] [stderr]    |
[INFO] [stderr] 28 |         while let Some(Some(item)) = rx.recv() {
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^   --------- this match expression has type `std::result::Result<std::option::Option<(std::string::String, u64)>, crossbeam_channel::RecvError>`
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   expected enum `std::result::Result`, found enum `std::option::Option`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::result::Result<std::option::Option<(std::string::String, u64)>, crossbeam_channel::RecvError>`
[INFO] [stderr]               found type `std::option::Option<_>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `dirmanifest`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0312c5a68c869880dc9fed3d8cce3b8ec0e4e1c550355d2fb847a1a3c898ca19"`
[INFO] running `"docker" "rm" "-f" "0312c5a68c869880dc9fed3d8cce3b8ec0e4e1c550355d2fb847a1a3c898ca19"`
[INFO] [stdout] 0312c5a68c869880dc9fed3d8cce3b8ec0e4e1c550355d2fb847a1a3c898ca19