[INFO] cloning repository rbalicki2/basic_futures
[INFO] running `"git" "clone" "--bare" "git://github.com/rbalicki2/basic_futures.git" "work/cache/sources/gh/rbalicki2/basic_futures"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/rbalicki2/basic_futures'...
[INFO] running `"git" "clone" "work/cache/sources/gh/rbalicki2/basic_futures" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/rbalicki2/basic_futures"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/rbalicki2/basic_futures'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rbalicki2/basic_futures" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/rbalicki2/basic_futures"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/rbalicki2/basic_futures'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 27e351fb461be941263c0270482b80c59e40d9f4
[INFO] sha for GitHub repo rbalicki2/basic_futures: 27e351fb461be941263c0270482b80c59e40d9f4
[INFO] validating manifest of rbalicki2/basic_futures on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rbalicki2/basic_futures on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rbalicki2/basic_futures
[INFO] finished frobbing rbalicki2/basic_futures
[INFO] frobbed toml for rbalicki2/basic_futures written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/rbalicki2/basic_futures/Cargo.toml
[INFO] started frobbing rbalicki2/basic_futures
[INFO] finished frobbing rbalicki2/basic_futures
[INFO] frobbed toml for rbalicki2/basic_futures written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/rbalicki2/basic_futures/Cargo.toml
[INFO] crate rbalicki2/basic_futures already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rbalicki2/basic_futures against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-6/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/rbalicki2/basic_futures:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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=forbid" "-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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1d4765140d998ad3183bb5f6a01f4d47f888430e70f7e07b67aa2910d01792fb
[INFO] running `"docker" "start" "-a" "1d4765140d998ad3183bb5f6a01f4d47f888430e70f7e07b67aa2910d01792fb"`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking wasm-bindgen-futures v0.3.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling nom v4.1.1
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling weedle v0.8.0
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.23
[INFO] [stderr]    Compiling web-sys v0.3.6
[INFO] [stderr]     Checking basic_futures v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 |     }) as Box<FnMut()>);
[INFO] [stderr]    |               ^^^^^^^ help: use `dyn`: `dyn FnMut()`
[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/lib.rs:22:15
[INFO] [stderr]    |
[INFO] [stderr] 22 |     }) as Box<FnMut()>);
[INFO] [stderr]    |               ^^^^^^^ help: use `dyn`: `dyn FnMut()`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.84s
[INFO] running `"docker" "inspect" "1d4765140d998ad3183bb5f6a01f4d47f888430e70f7e07b67aa2910d01792fb"`
[INFO] running `"docker" "rm" "-f" "1d4765140d998ad3183bb5f6a01f4d47f888430e70f7e07b67aa2910d01792fb"`
[INFO] [stdout] 1d4765140d998ad3183bb5f6a01f4d47f888430e70f7e07b67aa2910d01792fb