[INFO] crate rogue 0.0.2 is already in cache
[INFO] extracting crate rogue 0.0.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/rogue/0.0.2
[INFO] extracting crate rogue 0.0.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rogue/0.0.2
[INFO] validating manifest of rogue-0.0.2 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 rogue-0.0.2 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 rogue-0.0.2
[INFO] finished frobbing rogue-0.0.2
[INFO] frobbed toml for rogue-0.0.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rogue/0.0.2/Cargo.toml
[INFO] started frobbing rogue-0.0.2
[INFO] finished frobbing rogue-0.0.2
[INFO] frobbed toml for rogue-0.0.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rogue/0.0.2/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] 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing rogue-0.0.2 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rogue/0.0.2:/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] d8a73658b9a4e6abb154b9e7367cca4f05973e397b60dcfa08d468e22e0e3493
[INFO] running `"docker" "start" "-a" "d8a73658b9a4e6abb154b9e7367cca4f05973e397b60dcfa08d468e22e0e3493"`
[INFO] [stderr]    Compiling rogue v0.0.2 (/opt/crater/workdir)
[INFO] [stderr] error: invalid suffix `u` for integer literal
[INFO] [stderr]   --> src/dice.rs:40:26
[INFO] [stderr]    |
[INFO] [stderr] 40 |         for num in range(1u, 4) {
[INFO] [stderr]    |                          ^^ invalid suffix `u`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: invalid suffix `u` for integer literal
[INFO] [stderr]   --> src/dice.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |             for sides in range(1u, 20) {
[INFO] [stderr]    |                                ^^ invalid suffix `u`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::rand`
[INFO] [stderr]  --> src/dice.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::rand;
[INFO] [stderr]   |     ^^^^^^^^^ no `rand` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::rand`
[INFO] [stderr]  --> src/dice.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::rand::Rng;
[INFO] [stderr]   |          ^^^^ could not find `rand` in `std`
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]  --> src/dice.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Dice(pub uint, pub uint);
[INFO] [stderr]   |                     ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]  --> src/dice.rs:5:31
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Dice(pub uint, pub uint);
[INFO] [stderr]   |                               ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `uint` in this scope
[INFO] [stderr]   --> src/dice.rs:12:27
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn roll(&self) -> uint {
[INFO] [stderr]    |                           ^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(macro_rules, slicing_syntax)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0412, E0432, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0412`.
[INFO] [stderr] error: Could not compile `rogue`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d8a73658b9a4e6abb154b9e7367cca4f05973e397b60dcfa08d468e22e0e3493"`
[INFO] running `"docker" "rm" "-f" "d8a73658b9a4e6abb154b9e7367cca4f05973e397b60dcfa08d468e22e0e3493"`
[INFO] [stdout] d8a73658b9a4e6abb154b9e7367cca4f05973e397b60dcfa08d468e22e0e3493