[INFO] fetching crate xmas-elf 0.7.0...
[INFO] extracting crate xmas-elf 0.7.0 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/xmas-elf/0.7.0
[INFO] extracting crate xmas-elf 0.7.0 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/xmas-elf/0.7.0
[INFO] validating manifest of xmas-elf-0.7.0 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 xmas-elf-0.7.0 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 xmas-elf-0.7.0
[INFO] finished frobbing xmas-elf-0.7.0
[INFO] frobbed toml for xmas-elf-0.7.0 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/xmas-elf/0.7.0/Cargo.toml
[INFO] started frobbing xmas-elf-0.7.0
[INFO] finished frobbing xmas-elf-0.7.0
[INFO] frobbed toml for xmas-elf-0.7.0 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/xmas-elf/0.7.0/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 xmas-elf-0.7.0 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/xmas-elf/0.7.0:/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] 8241e3d4dcb524f9fc5094fd663186dd14d8bfd9a6f991636d1c66b8fc5e68aa
[INFO] running `"docker" "start" "-a" "8241e3d4dcb524f9fc5094fd663186dd14d8bfd9a6f991636d1c66b8fc5e68aa"`
[INFO] [stderr]     Checking xmas-elf v0.7.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/symbol_table.rs:110:23
[INFO] [stderr]     |
[INFO] [stderr] 110 | impl fmt::Display for Entry {
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Entry`
[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/hash.rs:46:25
[INFO] [stderr]    |
[INFO] [stderr] 46 |         where F: Fn(&'a Entry) -> bool
[INFO] [stderr]    |                         ^^^^^ help: use `dyn`: `dyn Entry`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hash.rs:45:63
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn lookup<'a, F>(&'a self, _name: &str, _f: F) -> &'a Entry
[INFO] [stderr]    |                                                               ^^^^^ help: use `dyn`: `dyn Entry`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/symbol_table.rs:110:23
[INFO] [stderr]     |
[INFO] [stderr] 110 | impl fmt::Display for Entry {
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Entry`
[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/hash.rs:46:25
[INFO] [stderr]    |
[INFO] [stderr] 46 |         where F: Fn(&'a Entry) -> bool
[INFO] [stderr]    |                         ^^^^^ help: use `dyn`: `dyn Entry`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hash.rs:45:63
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn lookup<'a, F>(&'a self, _name: &str, _f: F) -> &'a Entry
[INFO] [stderr]    |                                                               ^^^^^ help: use `dyn`: `dyn Entry`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `"docker" "inspect" "8241e3d4dcb524f9fc5094fd663186dd14d8bfd9a6f991636d1c66b8fc5e68aa"`
[INFO] running `"docker" "rm" "-f" "8241e3d4dcb524f9fc5094fd663186dd14d8bfd9a6f991636d1c66b8fc5e68aa"`
[INFO] [stdout] 8241e3d4dcb524f9fc5094fd663186dd14d8bfd9a6f991636d1c66b8fc5e68aa