[INFO] updating cached repository mmmpa/rust_lifegame
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mmmpa/rust_lifegame
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mmmpa/rust_lifegame" "work/ex/beta-1.38-1/sources/1.37.0/gh/mmmpa/rust_lifegame"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mmmpa/rust_lifegame'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mmmpa/rust_lifegame" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mmmpa/rust_lifegame"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mmmpa/rust_lifegame'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5f2f6db58f7463ab520fe75bf09dedef1b2a8413
[INFO] sha for GitHub repo mmmpa/rust_lifegame: 5f2f6db58f7463ab520fe75bf09dedef1b2a8413
[INFO] validating manifest of mmmpa/rust_lifegame 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 mmmpa/rust_lifegame 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 mmmpa/rust_lifegame
[INFO] finished frobbing mmmpa/rust_lifegame
[INFO] frobbed toml for mmmpa/rust_lifegame written to work/ex/beta-1.38-1/sources/1.37.0/gh/mmmpa/rust_lifegame/Cargo.toml
[INFO] started frobbing mmmpa/rust_lifegame
[INFO] finished frobbing mmmpa/rust_lifegame
[INFO] frobbed toml for mmmpa/rust_lifegame written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mmmpa/rust_lifegame/Cargo.toml
[INFO] crate mmmpa/rust_lifegame 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 mmmpa/rust_lifegame 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-1/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/mmmpa/rust_lifegame:/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] 1138fbeaeb75087209c2e097d55c991c1227e359b8151c0346693b8fe9e58ab3
[INFO] running `"docker" "start" "-a" "1138fbeaeb75087209c2e097d55c991c1227e359b8151c0346693b8fe9e58ab3"`
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling lifegame v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/rle.rs:15:94
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn from_file(filename: &str, margin: usize) -> Result<(usize, usize, Vec<bool>), Box<Error>> {
[INFO] [stderr]    |                                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/rle.rs:20:92
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn from_string(body: &str, margin: usize) -> Result<(usize, usize, Vec<bool>), Box<Error>> {
[INFO] [stderr]    |                                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/rle.rs:35:55
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn split(raw: String) -> Result<(String, String), Box<Error>> {
[INFO] [stderr]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/rle.rs:70:62
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn parse_setting(line: String) -> Result<(usize, usize), Box<Error>> {
[INFO] [stderr]    |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/rle.rs:15:94
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn from_file(filename: &str, margin: usize) -> Result<(usize, usize, Vec<bool>), Box<Error>> {
[INFO] [stderr]    |                                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/rle.rs:20:92
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn from_string(body: &str, margin: usize) -> Result<(usize, usize, Vec<bool>), Box<Error>> {
[INFO] [stderr]    |                                                                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/rle.rs:35:55
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn split(raw: String) -> Result<(String, String), Box<Error>> {
[INFO] [stderr]    |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/rle.rs:70:62
[INFO] [stderr]    |
[INFO] [stderr] 70 | fn parse_setting(line: String) -> Result<(usize, usize), Box<Error>> {
[INFO] [stderr]    |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:84:61
[INFO] [stderr]    |
[INFO] [stderr] 84 | fn prepare(game: &Game, delay: u16, output: &String) -> Box<FnMut(Vec<bool>) -> ()> {
[INFO] [stderr]    |                                                             ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(Vec<bool>) -> ()`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `lifegame`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1138fbeaeb75087209c2e097d55c991c1227e359b8151c0346693b8fe9e58ab3"`
[INFO] running `"docker" "rm" "-f" "1138fbeaeb75087209c2e097d55c991c1227e359b8151c0346693b8fe9e58ab3"`
[INFO] [stdout] 1138fbeaeb75087209c2e097d55c991c1227e359b8151c0346693b8fe9e58ab3