[INFO] updating cached repository IcyDefiance/rust_uilc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/IcyDefiance/rust_uilc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/IcyDefiance/rust_uilc" "work/ex/beta-1.38-1/sources/1.37.0/gh/IcyDefiance/rust_uilc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/IcyDefiance/rust_uilc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/IcyDefiance/rust_uilc" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/IcyDefiance/rust_uilc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/IcyDefiance/rust_uilc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 913d37ff9e56e3c1ccb3477cab38678d65730de4
[INFO] sha for GitHub repo IcyDefiance/rust_uilc: 913d37ff9e56e3c1ccb3477cab38678d65730de4
[INFO] validating manifest of IcyDefiance/rust_uilc 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 IcyDefiance/rust_uilc 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 IcyDefiance/rust_uilc
[INFO] finished frobbing IcyDefiance/rust_uilc
[INFO] frobbed toml for IcyDefiance/rust_uilc written to work/ex/beta-1.38-1/sources/1.37.0/gh/IcyDefiance/rust_uilc/Cargo.toml
[INFO] started frobbing IcyDefiance/rust_uilc
[INFO] finished frobbing IcyDefiance/rust_uilc
[INFO] frobbed toml for IcyDefiance/rust_uilc written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/IcyDefiance/rust_uilc/Cargo.toml
[INFO] crate IcyDefiance/rust_uilc 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing IcyDefiance/rust_uilc 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/IcyDefiance/rust_uilc:/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] 4bed67da0e4f06da89471a427d4460994b7d6ad251325e8f42a9c3f3d3a5dd80
[INFO] running `"docker" "start" "-a" "4bed67da0e4f06da89471a427d4460994b7d6ad251325e8f42a9c3f3d3a5dd80"`
[INFO] [stderr]    Compiling uilc v0.1.0 (https://github.com/IcyDefiance/uilc#48ab2904)
[INFO] [stderr]    Compiling rust_uilc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `rustc::middle::const_val`
[INFO] [stderr]  --> src/rust_uilc.rs:3:20
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rustc::middle::const_val::{ConstInt, ConstVal};
[INFO] [stderr]   |                    ^^^^^^^^^ could not find `const_val` in `middle`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rustc::mir::Literal`
[INFO] [stderr]  --> src/rust_uilc.rs:4:28
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rustc::mir::{Constant, Literal, Place, Operand, Rvalue, StatementKind, TerminatorKind};
[INFO] [stderr]   |                            ^^^^^^^ no `Literal` in `mir`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rustc::ty::TypeVariants`
[INFO] [stderr]  --> src/rust_uilc.rs:5:25
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rustc::ty::{TyCtxt, TypeVariants};
[INFO] [stderr]   |                         ^^^^^^^^^^^^ no `TypeVariants` in `ty`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `rustc_driver::driver`, `rustc_driver::CompilerCalls`
[INFO] [stderr]   --> src/main.rs:14:20
[INFO] [stderr]    |
[INFO] [stderr] 14 | use rustc_driver::{driver, CompilerCalls};
[INFO] [stderr]    |                    ^^^^^^  ^^^^^^^^^^^^^ no `CompilerCalls` in the root
[INFO] [stderr]    |                    |
[INFO] [stderr]    |                    no `driver` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(rustc_private)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `rust_uilc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4bed67da0e4f06da89471a427d4460994b7d6ad251325e8f42a9c3f3d3a5dd80"`
[INFO] running `"docker" "rm" "-f" "4bed67da0e4f06da89471a427d4460994b7d6ad251325e8f42a9c3f3d3a5dd80"`
[INFO] [stdout] 4bed67da0e4f06da89471a427d4460994b7d6ad251325e8f42a9c3f3d3a5dd80