[INFO] updating cached repository axelmagn/rtee
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/axelmagn/rtee
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/axelmagn/rtee" "work/ex/beta-1.38-1/sources/1.37.0/gh/axelmagn/rtee"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/axelmagn/rtee'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/axelmagn/rtee" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/axelmagn/rtee"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/axelmagn/rtee'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e6c587077ce069e71a48eaf391eff62fd35da75b
[INFO] sha for GitHub repo axelmagn/rtee: e6c587077ce069e71a48eaf391eff62fd35da75b
[INFO] validating manifest of axelmagn/rtee 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 axelmagn/rtee 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 axelmagn/rtee
[INFO] finished frobbing axelmagn/rtee
[INFO] frobbed toml for axelmagn/rtee written to work/ex/beta-1.38-1/sources/1.37.0/gh/axelmagn/rtee/Cargo.toml
[INFO] started frobbing axelmagn/rtee
[INFO] finished frobbing axelmagn/rtee
[INFO] frobbed toml for axelmagn/rtee written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/axelmagn/rtee/Cargo.toml
[INFO] crate axelmagn/rtee 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] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/axelmagn/rtee/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[INFO] the lockfile is outdated, regenerating it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/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] testing axelmagn/rtee against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/axelmagn/rtee:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 14e8df3b4adbd7459f14d57d39348ff98c18b4d27745b691bfcb2c5e017cddce
[INFO] running `"docker" "start" "-a" "14e8df3b4adbd7459f14d57d39348ff98c18b4d27745b691bfcb2c5e017cddce"`
[INFO] [stderr]    Compiling rtee v1.1.2 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.29s
[INFO] running `"docker" "inspect" "14e8df3b4adbd7459f14d57d39348ff98c18b4d27745b691bfcb2c5e017cddce"`
[INFO] running `"docker" "rm" "-f" "14e8df3b4adbd7459f14d57d39348ff98c18b4d27745b691bfcb2c5e017cddce"`
[INFO] [stdout] 14e8df3b4adbd7459f14d57d39348ff98c18b4d27745b691bfcb2c5e017cddce
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/axelmagn/rtee:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 08eb2fdc05debdf085959dd4825ee0e72de09b5d6a916568d8bf5819d1efa18c
[INFO] running `"docker" "start" "-a" "08eb2fdc05debdf085959dd4825ee0e72de09b5d6a916568d8bf5819d1efa18c"`
[INFO] [stderr]    Compiling rtee v1.1.2 (/opt/crater/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:109:5
[INFO] [stderr]     |
[INFO] [stderr] 109 |     assert_eq!(handle_errors(x), true);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::option::Option`, found bool
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::option::Option<&str>`
[INFO] [stderr]                found type `bool`
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/main.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     assert_eq!(handle_errors(x), false);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::option::Option`, found bool
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected type `std::option::Option<&str>`
[INFO] [stderr]                found type `bool`
[INFO] [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `rtee`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "08eb2fdc05debdf085959dd4825ee0e72de09b5d6a916568d8bf5819d1efa18c"`
[INFO] running `"docker" "rm" "-f" "08eb2fdc05debdf085959dd4825ee0e72de09b5d6a916568d8bf5819d1efa18c"`
[INFO] [stdout] 08eb2fdc05debdf085959dd4825ee0e72de09b5d6a916568d8bf5819d1efa18c