[INFO] fetching crate unwalk-base 0.2.0-beta1...
[INFO] extracting crate unwalk-base 0.2.0-beta1 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/unwalk-base/0.2.0-beta1
[INFO] extracting crate unwalk-base 0.2.0-beta1 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/unwalk-base/0.2.0-beta1
[INFO] validating manifest of unwalk-base-0.2.0-beta1 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of unwalk-base-0.2.0-beta1 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing unwalk-base-0.2.0-beta1
[INFO] finished frobbing unwalk-base-0.2.0-beta1
[INFO] frobbed toml for unwalk-base-0.2.0-beta1 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/unwalk-base/0.2.0-beta1/Cargo.toml
[INFO] started frobbing unwalk-base-0.2.0-beta1
[INFO] finished frobbing unwalk-base-0.2.0-beta1
[INFO] frobbed toml for unwalk-base-0.2.0-beta1 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/unwalk-base/0.2.0-beta1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing unwalk-base-0.2.0-beta1 against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-6/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/unwalk-base/0.2.0-beta1:/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 30cbf1aa5a54d0a2a6b40f83c5a71bba789859a47c7a6f4301c3609e6ff494d6
[INFO] running `"docker" "start" "-a" "30cbf1aa5a54d0a2a6b40f83c5a71bba789859a47c7a6f4301c3609e6ff494d6"`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling unwalk-base v0.2.0-beta1 (/opt/crater/workdir)
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:46:16
[INFO] [stderr]    |
[INFO] [stderr] 46 |     error: Box<std::error::Error + Sync + Send>,
[INFO] [stderr]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error + Sync + Send`
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:2:54
[INFO] [stderr]    |
[INFO] [stderr] 2  | #![deny(missing_debug_implementations, missing_docs, warnings)]
[INFO] [stderr]    |                                                      ^^^^^^^^
[INFO] [stderr]    = note: #[deny(bare_trait_objects)] implied by #[deny(warnings)]
[INFO] [stderr] 
[INFO] [stderr] error: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:57:21
[INFO] [stderr]    |
[INFO] [stderr] 57 |         E: Into<Box<std::error::Error + Sync + Send>>,
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error + Sync + Send`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `unwalk-base`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "30cbf1aa5a54d0a2a6b40f83c5a71bba789859a47c7a6f4301c3609e6ff494d6"`
[INFO] running `"docker" "rm" "-f" "30cbf1aa5a54d0a2a6b40f83c5a71bba789859a47c7a6f4301c3609e6ff494d6"`
[INFO] [stdout] 30cbf1aa5a54d0a2a6b40f83c5a71bba789859a47c7a6f4301c3609e6ff494d6