[INFO] updating cached repository racer161/pipeline-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/racer161/pipeline-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/racer161/pipeline-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/racer161/pipeline-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/racer161/pipeline-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/racer161/pipeline-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/racer161/pipeline-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/racer161/pipeline-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c7194db793a8612ab8a85a603e1986e950c10e47
[INFO] sha for GitHub repo racer161/pipeline-rs: c7194db793a8612ab8a85a603e1986e950c10e47
[INFO] validating manifest of racer161/pipeline-rs on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of racer161/pipeline-rs on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing racer161/pipeline-rs
[INFO] finished frobbing racer161/pipeline-rs
[INFO] frobbed toml for racer161/pipeline-rs written to work/ex/beta-1.37-6/sources/1.36.0/gh/racer161/pipeline-rs/Cargo.toml
[INFO] started frobbing racer161/pipeline-rs
[INFO] finished frobbing racer161/pipeline-rs
[INFO] frobbed toml for racer161/pipeline-rs written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/racer161/pipeline-rs/Cargo.toml
[INFO] crate racer161/pipeline-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing racer161/pipeline-rs against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/racer161/pipeline-rs:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] c957a85ac25b6637a70d454040d7e65d9a1a3c253fa909463152eba100d554c5
[INFO] running `"docker" "start" "-a" "c957a85ac25b6637a70d454040d7e65d9a1a3c253fa909463152eba100d554c5"`
[INFO] [stderr]    Compiling libc v0.2.29
[INFO] [stderr]    Compiling percent-encoding v1.0.0
[INFO] [stderr]    Compiling byteorder v1.1.0
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling sha1 v0.2.0
[INFO] [stderr]    Compiling serde v1.0.11
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling url v1.5.1
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling time v0.1.38
[INFO] [stderr]    Compiling num_cpus v1.6.2
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling net2 v0.2.30
[INFO] [stderr]    Compiling rand v0.3.16
[INFO] [stderr]    Compiling bytes v0.4.4
[INFO] [stderr]    Compiling mio v0.6.10
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.5.1/src/form_urlencoded.rs:251:40
[INFO] [stderr]     |
[INFO] [stderr] 249 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 250 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 251 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling hyper v0.10.12
[INFO] [stderr]    Compiling ws v0.7.3
[INFO] [stderr]    Compiling iron v0.5.1
[INFO] [stderr]    Compiling mount v0.3.0
[INFO] [stderr]    Compiling mount v0.3.0 (https://github.com/iron/mount.git#2c3d719b)
[INFO] [stderr]    Compiling serde_json v1.0.2
[INFO] [stderr]    Compiling staticfile v0.4.0
[INFO] [stderr]    Compiling pipeline-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0583]: file not found for module `ot`
[INFO] [stderr]  --> src/server_core/event_handler/file_manager/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | mod ot;
[INFO] [stderr]   |     ^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: name the file either ot.rs or ot/mod.rs inside the directory "src/server_core/event_handler/file_manager"
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0583`.
[INFO] [stderr] error: Could not compile `pipeline-rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c957a85ac25b6637a70d454040d7e65d9a1a3c253fa909463152eba100d554c5"`
[INFO] running `"docker" "rm" "-f" "c957a85ac25b6637a70d454040d7e65d9a1a3c253fa909463152eba100d554c5"`
[INFO] [stdout] c957a85ac25b6637a70d454040d7e65d9a1a3c253fa909463152eba100d554c5