[INFO] fetching crate chinstrap 0.0.0...
[INFO] extracting crate chinstrap 0.0.0 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/chinstrap/0.0.0
[INFO] extracting crate chinstrap 0.0.0 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/chinstrap/0.0.0
[INFO] validating manifest of chinstrap-0.0.0 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 chinstrap-0.0.0 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 chinstrap-0.0.0
[INFO] finished frobbing chinstrap-0.0.0
[INFO] frobbed toml for chinstrap-0.0.0 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/chinstrap/0.0.0/Cargo.toml
[INFO] started frobbing chinstrap-0.0.0
[INFO] finished frobbing chinstrap-0.0.0
[INFO] frobbed toml for chinstrap-0.0.0 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/chinstrap/0.0.0/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking chinstrap-0.0.0 against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-4/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/chinstrap/0.0.0:/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b6924dc4ddbef0f4033d4da19f4d7bf432e33cb9a15fc17c4f5af7d5dff4cf14
[INFO] running `"docker" "start" "-a" "b6924dc4ddbef0f4033d4da19f4d7bf432e33cb9a15fc17c4f5af7d5dff4cf14"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]     Checking chinstrap v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/domain.rs:39:34
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = Self::Value> + 'a>;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Value> + 'a`
[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/domain.rs:291:34
[INFO] [stderr]     |
[INFO] [stderr] 291 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = N> + 'a> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = N> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/domain.rs:406:34
[INFO] [stderr]     |
[INFO] [stderr] 406 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = N> + 'a> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = N> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/domain.rs:523:34
[INFO] [stderr]     |
[INFO] [stderr] 523 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = N> + 'a> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = N> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/domain.rs:615:34
[INFO] [stderr]     |
[INFO] [stderr] 615 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = N> + 'a> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = N> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/domain.rs:39:34
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = Self::Value> + 'a>;
[INFO] [stderr]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Self::Value> + 'a`
[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/domain.rs:291:34
[INFO] [stderr]     |
[INFO] [stderr] 291 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = N> + 'a> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = N> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/domain.rs:406:34
[INFO] [stderr]     |
[INFO] [stderr] 406 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = N> + 'a> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = N> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/domain.rs:523:34
[INFO] [stderr]     |
[INFO] [stderr] 523 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = N> + 'a> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = N> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/domain.rs:615:34
[INFO] [stderr]     |
[INFO] [stderr] 615 |     fn iter<'a>(&'a self) -> Box<Iterator<Item = N> + 'a> {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = N> + 'a`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "b6924dc4ddbef0f4033d4da19f4d7bf432e33cb9a15fc17c4f5af7d5dff4cf14"`
[INFO] running `"docker" "rm" "-f" "b6924dc4ddbef0f4033d4da19f4d7bf432e33cb9a15fc17c4f5af7d5dff4cf14"`
[INFO] [stdout] b6924dc4ddbef0f4033d4da19f4d7bf432e33cb9a15fc17c4f5af7d5dff4cf14