[INFO] updating cached repository ymgyt/rustc-vs-me
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ymgyt/rustc-vs-me
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ymgyt/rustc-vs-me" "work/ex/beta-1.38-1/sources/1.37.0/gh/ymgyt/rustc-vs-me"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ymgyt/rustc-vs-me'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ymgyt/rustc-vs-me" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ymgyt/rustc-vs-me"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ymgyt/rustc-vs-me'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e78b2d1117246e4fa1482230861a73522b03a5f8
[INFO] sha for GitHub repo ymgyt/rustc-vs-me: e78b2d1117246e4fa1482230861a73522b03a5f8
[INFO] validating manifest of ymgyt/rustc-vs-me on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ymgyt/rustc-vs-me on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ymgyt/rustc-vs-me
[INFO] finished frobbing ymgyt/rustc-vs-me
[INFO] frobbed toml for ymgyt/rustc-vs-me written to work/ex/beta-1.38-1/sources/1.37.0/gh/ymgyt/rustc-vs-me/Cargo.toml
[INFO] started frobbing ymgyt/rustc-vs-me
[INFO] finished frobbing ymgyt/rustc-vs-me
[INFO] frobbed toml for ymgyt/rustc-vs-me written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ymgyt/rustc-vs-me/Cargo.toml
[INFO] crate ymgyt/rustc-vs-me already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing ymgyt/rustc-vs-me against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ymgyt/rustc-vs-me:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 72390513df53d384889cc54f7379b3713a54a00c47433541930c77ebb7a09168
[INFO] running `"docker" "start" "-a" "72390513df53d384889cc54f7379b3713a54a00c47433541930c77ebb7a09168"`
[INFO] [stderr]    Compiling rustc-vs-me v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `"docker" "inspect" "72390513df53d384889cc54f7379b3713a54a00c47433541930c77ebb7a09168"`
[INFO] running `"docker" "rm" "-f" "72390513df53d384889cc54f7379b3713a54a00c47433541930c77ebb7a09168"`
[INFO] [stdout] 72390513df53d384889cc54f7379b3713a54a00c47433541930c77ebb7a09168
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ymgyt/rustc-vs-me:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] fc641e7365df43ff9296e17941b70a1c8d10226562d1e0a29855c0969d5651f6
[INFO] running `"docker" "start" "-a" "fc641e7365df43ff9296e17941b70a1c8d10226562d1e0a29855c0969d5651f6"`
[INFO] [stderr]    Compiling rustc-vs-me v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0507]: cannot move out of a mutable reference
[INFO] [stderr]   --> examples/error.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 | /             self.reader
[INFO] [stderr] 23 | |                 .by_ref()
[INFO] [stderr]    | |_________________________^ move occurs because value has type `R`, which does not implement the `Copy` trait
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0507`.
[INFO] [stderr] error: Could not compile `rustc-vs-me`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "fc641e7365df43ff9296e17941b70a1c8d10226562d1e0a29855c0969d5651f6"`
[INFO] running `"docker" "rm" "-f" "fc641e7365df43ff9296e17941b70a1c8d10226562d1e0a29855c0969d5651f6"`
[INFO] [stdout] fc641e7365df43ff9296e17941b70a1c8d10226562d1e0a29855c0969d5651f6