[INFO] updating cached repository paomian/playrust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/paomian/playrust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/paomian/playrust" "work/ex/beta-1.38-1/sources/1.37.0/gh/paomian/playrust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/paomian/playrust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/paomian/playrust" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/paomian/playrust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/paomian/playrust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 481cb7349e2554a75213a8803a68f40b1fe0e2f3
[INFO] sha for GitHub repo paomian/playrust: 481cb7349e2554a75213a8803a68f40b1fe0e2f3
[INFO] validating manifest of paomian/playrust 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 paomian/playrust 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 paomian/playrust
[INFO] finished frobbing paomian/playrust
[INFO] frobbed toml for paomian/playrust written to work/ex/beta-1.38-1/sources/1.37.0/gh/paomian/playrust/Cargo.toml
[INFO] started frobbing paomian/playrust
[INFO] finished frobbing paomian/playrust
[INFO] frobbed toml for paomian/playrust written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/paomian/playrust/Cargo.toml
[INFO] crate paomian/playrust 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 paomian/playrust 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-6/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/paomian/playrust:/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] c47ac36e5c3673ed99e31761395e060b6af08ae7456094feeb8fb82d81557762
[INFO] running `"docker" "start" "-a" "c47ac36e5c3673ed99e31761395e060b6af08ae7456094feeb8fb82d81557762"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mm v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] error: invalid suffix `i` for integer literal
[INFO] [stderr]  --> src/main.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut y = 6i;
[INFO] [stderr]   |                 ^^ invalid suffix `i`
[INFO] [stderr]   |
[INFO] [stderr]   = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: invalid suffix `i` for integer literal
[INFO] [stderr]  --> src/main.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut x = 100i;
[INFO] [stderr]   |                 ^^^^ invalid suffix `i`
[INFO] [stderr]   |
[INFO] [stderr]   = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `println`
[INFO] [stderr]   --> src/main.rs:31:2
[INFO] [stderr]    |
[INFO] [stderr] 30 |     println!("Hello, world!")
[INFO] [stderr]    |                              - expected one of `.`, `;`, `?`, `}`, or an operator here
[INFO] [stderr] 31 |     println!("{}",test())
[INFO] [stderr]    |     ^^^^^^^ unexpected token
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]   --> src/main.rs:17:19
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn change(z: &mut int) {
[INFO] [stderr]    |                   ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]   --> src/main.rs:25:16
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn add_one(x: &int) -> int {
[INFO] [stderr]    |                ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0412]: cannot find type `int` in this scope
[INFO] [stderr]   --> src/main.rs:25:24
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn add_one(x: &int) -> int {
[INFO] [stderr]    |                        ^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0412`.
[INFO] [stderr] error: Could not compile `mm`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c47ac36e5c3673ed99e31761395e060b6af08ae7456094feeb8fb82d81557762"`
[INFO] running `"docker" "rm" "-f" "c47ac36e5c3673ed99e31761395e060b6af08ae7456094feeb8fb82d81557762"`
[INFO] [stdout] c47ac36e5c3673ed99e31761395e060b6af08ae7456094feeb8fb82d81557762