[INFO] crate gluon_format 0.12.0 is already in cache
[INFO] extracting crate gluon_format 0.12.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/gluon_format/0.12.0
[INFO] extracting crate gluon_format 0.12.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/gluon_format/0.12.0
[INFO] validating manifest of gluon_format-0.12.0 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 gluon_format-0.12.0 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 gluon_format-0.12.0
[INFO] finished frobbing gluon_format-0.12.0
[INFO] frobbed toml for gluon_format-0.12.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/gluon_format/0.12.0/Cargo.toml
[INFO] started frobbing gluon_format-0.12.0
[INFO] finished frobbing gluon_format-0.12.0
[INFO] frobbed toml for gluon_format-0.12.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/gluon_format/0.12.0/Cargo.toml
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing gluon_format-0.12.0 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-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/gluon_format/0.12.0:/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] 920996e315bc5d26a4bb0cfeffa5bca8e4392b61006ebaaee457ccde08a14d48
[INFO] running `"docker" "start" "-a" "920996e315bc5d26a4bb0cfeffa5bca8e4392b61006ebaaee457ccde08a14d48"`
[INFO] [stderr]    Compiling gluon_format v0.12.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.45s
[INFO] running `"docker" "inspect" "920996e315bc5d26a4bb0cfeffa5bca8e4392b61006ebaaee457ccde08a14d48"`
[INFO] running `"docker" "rm" "-f" "920996e315bc5d26a4bb0cfeffa5bca8e4392b61006ebaaee457ccde08a14d48"`
[INFO] [stdout] 920996e315bc5d26a4bb0cfeffa5bca8e4392b61006ebaaee457ccde08a14d48
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/gluon_format/0.12.0:/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] d743abf37727e6b220d44d08af504e0e2a7f331cc5e2bedc990a384681e55aa4
[INFO] running `"docker" "start" "-a" "d743abf37727e6b220d44d08af504e0e2a7f331cc5e2bedc990a384681e55aa4"`
[INFO] [stderr]    Compiling gluon_vm v0.12.0
[INFO] [stderr]    Compiling union-find v0.3.2
[INFO] [stderr]    Compiling rpds v0.5.0
[INFO] [stderr]    Compiling frunk_core v0.2.4
[INFO] [stderr]    Compiling gluon_codegen v0.12.0
[INFO] [stderr]    Compiling gluon_parser v0.12.0
[INFO] [stderr]    Compiling gluon v0.12.0
[INFO] [stderr]    Compiling gluon_format v0.12.0
[INFO] [stderr]    Compiling gluon_check v0.12.0
[INFO] [stderr]    Compiling gluon_format v0.12.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> tests/pretty_print.rs:27:26
[INFO] [stderr]    |
[INFO] [stderr] 27 |     compiler.format_expr(&mut format::Formatter::default(), &thread, "test", expr)
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `gluon_format::Formatter`, found struct `format::Formatter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&mut gluon_format::Formatter`
[INFO] [stderr]               found type `&mut format::Formatter`
[INFO] [stderr] note: Perhaps two different versions of crate `gluon_format` are being used?
[INFO] [stderr]   --> tests/pretty_print.rs:27:26
[INFO] [stderr]    |
[INFO] [stderr] 27 |     compiler.format_expr(&mut format::Formatter::default(), &thread, "test", expr)
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> tests/pretty_print.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         &mut format::Formatter { expanded: true },
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `gluon_format::Formatter`, found struct `format::Formatter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&mut gluon_format::Formatter`
[INFO] [stderr]               found type `&mut format::Formatter`
[INFO] [stderr] note: Perhaps two different versions of crate `gluon_format` are being used?
[INFO] [stderr]   --> tests/pretty_print.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         &mut format::Formatter { expanded: true },
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> tests/pretty_print.rs:54:22
[INFO] [stderr]    |
[INFO] [stderr] 54 |         .format_expr(&mut format::Formatter::default(), &thread, name, &contents)
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `gluon_format::Formatter`, found struct `format::Formatter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `&mut gluon_format::Formatter`
[INFO] [stderr]               found type `&mut format::Formatter`
[INFO] [stderr] note: Perhaps two different versions of crate `gluon_format` are being used?
[INFO] [stderr]   --> tests/pretty_print.rs:54:22
[INFO] [stderr]    |
[INFO] [stderr] 54 |         .format_expr(&mut format::Formatter::default(), &thread, name, &contents)
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `gluon_format`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d743abf37727e6b220d44d08af504e0e2a7f331cc5e2bedc990a384681e55aa4"`
[INFO] running `"docker" "rm" "-f" "d743abf37727e6b220d44d08af504e0e2a7f331cc5e2bedc990a384681e55aa4"`
[INFO] [stdout] d743abf37727e6b220d44d08af504e0e2a7f331cc5e2bedc990a384681e55aa4