[INFO] crate tool 0.2.1 is already in cache
[INFO] extracting crate tool 0.2.1 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/tool/0.2.1
[INFO] extracting crate tool 0.2.1 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/tool/0.2.1
[INFO] validating manifest of tool-0.2.1 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tool-0.2.1 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tool-0.2.1
[INFO] finished frobbing tool-0.2.1
[INFO] frobbed toml for tool-0.2.1 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/tool/0.2.1/Cargo.toml
[INFO] started frobbing tool-0.2.1
[INFO] finished frobbing tool-0.2.1
[INFO] frobbed toml for tool-0.2.1 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/tool/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking tool-0.2.1 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-2/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/tool/0.2.1:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 32fb6c75d1229474f5e0e7048a40485c3db146fc424c08441c7a99c4f906e31d
[INFO] running `"docker" "start" "-a" "32fb6c75d1229474f5e0e7048a40485c3db146fc424c08441c7a99c4f906e31d"`
[INFO] [stderr]     Checking tool v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/functor.rs:51:18
[INFO] [stderr]    |
[INFO] [stderr] 51 |     where F: Fn(&Fn(A)-> B, A) -> B
[INFO] [stderr]    |                  ^^^^^^^^^ help: use `dyn`: `dyn Fn(A)-> B`
[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/functor.rs:59:44
[INFO] [stderr]    |
[INFO] [stderr] 59 |         fun_holder = Cell::new(&tmp_fn as &Fn(A) -> B);
[INFO] [stderr]    |                                            ^^^^^^^^^^ help: use `dyn`: `dyn Fn(A) -> B`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/functor.rs:61:33
[INFO] [stderr]    |
[INFO] [stderr] 61 |         fun_holder.set(&fun as &Fn(A) -> B);
[INFO] [stderr]    |                                 ^^^^^^^^^^ help: use `dyn`: `dyn Fn(A) -> B`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/functor.rs:51:18
[INFO] [stderr]    |
[INFO] [stderr] 51 |     where F: Fn(&Fn(A)-> B, A) -> B
[INFO] [stderr]    |                  ^^^^^^^^^ help: use `dyn`: `dyn Fn(A)-> B`
[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/functor.rs:59:44
[INFO] [stderr]    |
[INFO] [stderr] 59 |         fun_holder = Cell::new(&tmp_fn as &Fn(A) -> B);
[INFO] [stderr]    |                                            ^^^^^^^^^^ help: use `dyn`: `dyn Fn(A) -> B`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/functor.rs:61:33
[INFO] [stderr]    |
[INFO] [stderr] 61 |         fun_holder.set(&fun as &Fn(A) -> B);
[INFO] [stderr]    |                                 ^^^^^^^^^^ help: use `dyn`: `dyn Fn(A) -> B`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `"docker" "inspect" "32fb6c75d1229474f5e0e7048a40485c3db146fc424c08441c7a99c4f906e31d"`
[INFO] running `"docker" "rm" "-f" "32fb6c75d1229474f5e0e7048a40485c3db146fc424c08441c7a99c4f906e31d"`
[INFO] [stdout] 32fb6c75d1229474f5e0e7048a40485c3db146fc424c08441c7a99c4f906e31d