[INFO] updating cached repository gluon-lang/gluon
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/gluon-lang/gluon
[INFO] [stderr]  * branch              HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/gluon-lang/gluon" "work/ex/beta-1.37-6/sources/1.36.0/gh/gluon-lang/gluon"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/gluon-lang/gluon'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/gluon-lang/gluon" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gluon-lang/gluon"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gluon-lang/gluon'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7b44c202ef17f2974e18d0b5998ac847f684b652
[INFO] sha for GitHub repo gluon-lang/gluon: 7b44c202ef17f2974e18d0b5998ac847f684b652
[INFO] validating manifest of gluon-lang/gluon 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 gluon-lang/gluon 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 gluon-lang/gluon
[INFO] removed 1 missing examples
[INFO] removed 1 missing tests
[INFO] removed workspace from gluon-lang/gluon
[INFO] removed path dependency gluon_base from gluon-lang/gluon
[INFO] removed path dependency gluon_check from gluon-lang/gluon
[INFO] removed path dependency gluon_codegen from gluon-lang/gluon
[INFO] removed path dependency gluon_format from gluon-lang/gluon
[INFO] removed path dependency gluon_parser from gluon-lang/gluon
[INFO] removed path dependency gluon_vm from gluon-lang/gluon
[INFO] removed path dependency gluon_codegen from gluon-lang/gluon
[INFO] removed path dependency gluon_completion from gluon-lang/gluon
[INFO] removed path dependency gluon_base from gluon-lang/gluon
[INFO] finished frobbing gluon-lang/gluon
[INFO] frobbed toml for gluon-lang/gluon written to work/ex/beta-1.37-6/sources/1.36.0/gh/gluon-lang/gluon/Cargo.toml
[INFO] started frobbing gluon-lang/gluon
[INFO] removed 1 missing examples
[INFO] removed 1 missing tests
[INFO] removed workspace from gluon-lang/gluon
[INFO] removed path dependency gluon_base from gluon-lang/gluon
[INFO] removed path dependency gluon_check from gluon-lang/gluon
[INFO] removed path dependency gluon_codegen from gluon-lang/gluon
[INFO] removed path dependency gluon_format from gluon-lang/gluon
[INFO] removed path dependency gluon_parser from gluon-lang/gluon
[INFO] removed path dependency gluon_vm from gluon-lang/gluon
[INFO] removed path dependency gluon_codegen from gluon-lang/gluon
[INFO] removed path dependency gluon_completion from gluon-lang/gluon
[INFO] removed path dependency gluon_base from gluon-lang/gluon
[INFO] finished frobbing gluon-lang/gluon
[INFO] frobbed toml for gluon-lang/gluon written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/gluon-lang/gluon/Cargo.toml
[INFO] crate gluon-lang/gluon 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] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/gluon-lang/gluon/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" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded little-skeptic v0.15.2
[INFO] [stderr]   Downloaded serde_derive_state v0.4.7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing gluon-lang/gluon against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/gluon-lang/gluon:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 62e425437bc7d5a3be886c45078b79e5d6b3a4635fc9437eeef6788c9bbd74e8
[INFO] running `"docker" "start" "-a" "62e425437bc7d5a3be886c45078b79e5d6b3a4635fc9437eeef6788c9bbd74e8"`
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling collect-mac v0.1.0
[INFO] [stderr]    Compiling gluon_vm v0.11.2
[INFO] [stderr]    Compiling rpds v0.5.0
[INFO] [stderr]    Compiling union-find v0.3.2
[INFO] [stderr]    Compiling mopa v0.2.2
[INFO] [stderr]    Compiling frunk_core v0.2.4
[INFO] [stderr]    Compiling pretty v0.5.2
[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling gluon_codegen v0.11.2
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling codespan v0.2.1
[INFO] [stderr]    Compiling codespan v0.3.0
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling codespan-reporting v0.3.0
[INFO] [stderr]    Compiling codespan-reporting v0.2.1
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]    Compiling gluon_base v0.11.2
[INFO] [stderr]    Compiling regex v1.2.0
[INFO] [stderr]    Compiling gluon v0.11.2 (/opt/crater/workdir)
[INFO] [stderr]    Compiling gluon_check v0.11.2
[INFO] [stderr]    Compiling gluon_format v0.11.2
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.16.3
[INFO] [stderr]    Compiling gluon_parser v0.11.2
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/lib.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0119]: conflicting implementations of trait `vm::api::VmType` for type `std_lib::io::GluonFile`:
[INFO] [stderr]   --> src/std_lib/io.rs:52:10
[INFO] [stderr]    |
[INFO] [stderr] 52 | #[derive(Userdata, VmType)]
[INFO] [stderr]    |          ^^^^^^^^  ------ first implementation here
[INFO] [stderr]    |          |
[INFO] [stderr]    |          conflicting implementation for `std_lib::io::GluonFile`
[INFO] [stderr] 
[INFO] [stderr] error[E0119]: conflicting implementations of trait `vm::api::VmType` for type `std_lib::random::XorShiftRng`:
[INFO] [stderr]   --> src/std_lib/random.rs:16:24
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[derive(Clone, Debug, Userdata, VmType)]
[INFO] [stderr]    |                        ^^^^^^^^  ------ first implementation here
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        conflicting implementation for `std_lib::random::XorShiftRng`
[INFO] [stderr] 
[INFO] [stderr] error[E0119]: conflicting implementations of trait `vm::api::VmType` for type `std_lib::regex::Regex`:
[INFO] [stderr]  --> src/std_lib/regex.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 | #[derive(Debug, Userdata, VmType)]
[INFO] [stderr]   |                 ^^^^^^^^  ------ first implementation here
[INFO] [stderr]   |                 |
[INFO] [stderr]   |                 conflicting implementation for `std_lib::regex::Regex`
[INFO] [stderr] 
[INFO] [stderr] error[E0119]: conflicting implementations of trait `vm::api::VmType` for type `std_lib::regex::Error`:
[INFO] [stderr]   --> src/std_lib/regex.rs:14:17
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[derive(Debug, Userdata, VmType)]
[INFO] [stderr]    |                 ^^^^^^^^  ------ first implementation here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 conflicting implementation for `std_lib::regex::Error`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0119`.
[INFO] [stderr] error: Could not compile `gluon`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "62e425437bc7d5a3be886c45078b79e5d6b3a4635fc9437eeef6788c9bbd74e8"`
[INFO] running `"docker" "rm" "-f" "62e425437bc7d5a3be886c45078b79e5d6b3a4635fc9437eeef6788c9bbd74e8"`
[INFO] [stdout] 62e425437bc7d5a3be886c45078b79e5d6b3a4635fc9437eeef6788c9bbd74e8