[INFO] crate rust-reduce 0.1.0 is already in cache
[INFO] extracting crate rust-reduce 0.1.0 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/rust-reduce/0.1.0
[INFO] extracting crate rust-reduce 0.1.0 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/rust-reduce/0.1.0
[INFO] validating manifest of rust-reduce-0.1.0 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rust-reduce-0.1.0 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rust-reduce-0.1.0
[INFO] finished frobbing rust-reduce-0.1.0
[INFO] frobbed toml for rust-reduce-0.1.0 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/rust-reduce/0.1.0/Cargo.toml
[INFO] started frobbing rust-reduce-0.1.0
[INFO] finished frobbing rust-reduce-0.1.0
[INFO] frobbed toml for rust-reduce-0.1.0 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/rust-reduce/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking rust-reduce-0.1.0 against try#75eff020d0923c035c2fe220db4a0465cd847048 for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-7/try#75eff020d0923c035c2fe220db4a0465cd847048:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/rust-reduce/0.1.0:/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=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" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c557c68bb61d3a41b9547b22990d77158f5b6de7b5f97914bca0bbeeb5d6e1d1
[INFO] running `"docker" "start" "-a" "c557c68bb61d3a41b9547b22990d77158f5b6de7b5f97914bca0bbeeb5d6e1d1"`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking syn-inline-mod v0.2.0
[INFO] [stderr]     Checking rust-reduce v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/output.rs:25:43
[INFO] [stderr]    |
[INFO] [stderr] 25 |     constructor: fn(PathBuf, bool) -> Box<OutputType>,
[INFO] [stderr]    |                                           ^^^^^^^^^^ help: use `dyn`: `dyn OutputType`
[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/output.rs:26:23
[INFO] [stderr]    |
[INFO] [stderr] 26 |     inner: Option<Box<OutputType>>,
[INFO] [stderr]    |                       ^^^^^^^^^^ help: use `dyn`: `dyn OutputType`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/output.rs:49:53
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn new(path: PathBuf, need_backup: bool) -> Box<OutputType> where Self: Sized;
[INFO] [stderr]    |                                                     ^^^^^^^^^^ help: use `dyn`: `dyn OutputType`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/output.rs:59:53
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn new(file: PathBuf, need_backup: bool) -> Box<OutputType> {
[INFO] [stderr]    |                                                     ^^^^^^^^^^ help: use `dyn`: `dyn OutputType`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/output.rs:94:53
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn new(file: PathBuf, need_backup: bool) -> Box<OutputType> {
[INFO] [stderr]    |                                                     ^^^^^^^^^^ help: use `dyn`: `dyn OutputType`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/output.rs:160:56
[INFO] [stderr]     |
[INFO] [stderr] 160 |                     Box::new(std::io::stdout()) as Box<Write>
[INFO] [stderr]     |                                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/output.rs:25:43
[INFO] [stderr]    |
[INFO] [stderr] 25 |     constructor: fn(PathBuf, bool) -> Box<OutputType>,
[INFO] [stderr]    |                                           ^^^^^^^^^^ help: use `dyn`: `dyn OutputType`
[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/output.rs:26:23
[INFO] [stderr]    |
[INFO] [stderr] 26 |     inner: Option<Box<OutputType>>,
[INFO] [stderr]    |                       ^^^^^^^^^^ help: use `dyn`: `dyn OutputType`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/output.rs:49:53
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn new(path: PathBuf, need_backup: bool) -> Box<OutputType> where Self: Sized;
[INFO] [stderr]    |                                                     ^^^^^^^^^^ help: use `dyn`: `dyn OutputType`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/output.rs:59:53
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn new(file: PathBuf, need_backup: bool) -> Box<OutputType> {
[INFO] [stderr]    |                                                     ^^^^^^^^^^ help: use `dyn`: `dyn OutputType`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/output.rs:94:53
[INFO] [stderr]    |
[INFO] [stderr] 94 |     fn new(file: PathBuf, need_backup: bool) -> Box<OutputType> {
[INFO] [stderr]    |                                                     ^^^^^^^^^^ help: use `dyn`: `dyn OutputType`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/output.rs:160:56
[INFO] [stderr]     |
[INFO] [stderr] 160 |                     Box::new(std::io::stdout()) as Box<Write>
[INFO] [stderr]     |                                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.99s
[INFO] running `"docker" "inspect" "c557c68bb61d3a41b9547b22990d77158f5b6de7b5f97914bca0bbeeb5d6e1d1"`
[INFO] running `"docker" "rm" "-f" "c557c68bb61d3a41b9547b22990d77158f5b6de7b5f97914bca0bbeeb5d6e1d1"`
[INFO] [stdout] c557c68bb61d3a41b9547b22990d77158f5b6de7b5f97914bca0bbeeb5d6e1d1