[INFO] cloning repository treeman/rqr
[INFO] running `"git" "clone" "--bare" "git://github.com/treeman/rqr.git" "work/cache/sources/gh/treeman/rqr"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/treeman/rqr'...
[INFO] running `"git" "clone" "work/cache/sources/gh/treeman/rqr" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/treeman/rqr"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/treeman/rqr'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/treeman/rqr" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/treeman/rqr"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/treeman/rqr'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ffd1a994eb2db53d78c289e92eb7199410508c5b
[INFO] sha for GitHub repo treeman/rqr: ffd1a994eb2db53d78c289e92eb7199410508c5b
[INFO] validating manifest of treeman/rqr 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 treeman/rqr 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 treeman/rqr
[INFO] finished frobbing treeman/rqr
[INFO] frobbed toml for treeman/rqr written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/treeman/rqr/Cargo.toml
[INFO] started frobbing treeman/rqr
[INFO] finished frobbing treeman/rqr
[INFO] frobbed toml for treeman/rqr written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/treeman/rqr/Cargo.toml
[INFO] crate treeman/rqr 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitvec v0.10.1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking treeman/rqr against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-5/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/treeman/rqr:/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fe384adbd0a6f94e7df8b1c8a22e3d09b2bb60bcf2602ae30009b917ea880b38
[INFO] running `"docker" "start" "-a" "fe384adbd0a6f94e7df8b1c8a22e3d09b2bb60bcf2602ae30009b917ea880b38"`
[INFO] [stderr]     Checking bitvec v0.10.1
[INFO] [stderr]     Checking rqr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mask.rs:21:26
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn fun(&self) -> Box<Fn(usize, usize) -> bool> {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, usize) -> bool`
[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/mask.rs:203:26
[INFO] [stderr]     |
[INFO] [stderr] 203 | fn apply_mask_fun(f: Box<Fn(usize, usize) -> bool>, matrix: &Matrix) -> Matrix {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, usize) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/mask.rs:21:26
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn fun(&self) -> Box<Fn(usize, usize) -> bool> {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, usize) -> bool`
[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/mask.rs:203:26
[INFO] [stderr]     |
[INFO] [stderr] 203 | fn apply_mask_fun(f: Box<Fn(usize, usize) -> bool>, matrix: &Matrix) -> Matrix {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(usize, usize) -> bool`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.95s
[INFO] running `"docker" "inspect" "fe384adbd0a6f94e7df8b1c8a22e3d09b2bb60bcf2602ae30009b917ea880b38"`
[INFO] running `"docker" "rm" "-f" "fe384adbd0a6f94e7df8b1c8a22e3d09b2bb60bcf2602ae30009b917ea880b38"`
[INFO] [stdout] fe384adbd0a6f94e7df8b1c8a22e3d09b2bb60bcf2602ae30009b917ea880b38