[INFO] fetching crate racer 2.1.21...
[INFO] extracting crate racer 2.1.21 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/racer/2.1.21
[INFO] extracting crate racer 2.1.21 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/racer/2.1.21
[INFO] validating manifest of racer-2.1.21 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of racer-2.1.21 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing racer-2.1.21
[INFO] finished frobbing racer-2.1.21
[INFO] frobbed toml for racer-2.1.21 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/racer/2.1.21/Cargo.toml
[INFO] started frobbing racer-2.1.21
[INFO] finished frobbing racer-2.1.21
[INFO] frobbed toml for racer-2.1.21 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/racer/2.1.21/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking racer-2.1.21 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-6/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/racer/2.1.21:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0aca1c3b2db51a68869cae0cf790da7984aa4a754cb748cb13dcbecb67a9298f
[INFO] running `"docker" "start" "-a" "0aca1c3b2db51a68869cae0cf790da7984aa4a754cb748cb13dcbecb67a9298f"`
[INFO] [stderr]    Compiling rustc-rayon-core v0.2.0
[INFO] [stderr]    Compiling rustc-rayon-core v0.1.2
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling rustc-rayon v0.2.0
[INFO] [stderr]    Compiling rustc-rayon v0.1.2
[INFO] [stderr]     Checking rustc-ap-graphviz v491.0.0
[INFO] [stderr]     Checking rustc-ap-graphviz v407.0.0
[INFO] [stderr]    Compiling rustc-ap-rustc_target v491.0.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking annotate-snippets v0.5.0
[INFO] [stderr]    Compiling rustc-ap-rustc_target v407.0.0
[INFO] [stderr]    Compiling rustc-ap-syntax v491.0.0
[INFO] [stderr]    Compiling rustc-ap-syntax v407.0.0
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]     Checking ena v0.13.0
[INFO] [stderr]     Checking ena v0.11.0
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking jobserver v0.1.14
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking rustc-ap-serialize v491.0.0
[INFO] [stderr]     Checking rustc-ap-serialize v407.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_cratesio_shim v491.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_cratesio_shim v407.0.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]     Checking racer-interner v0.1.0
[INFO] [stderr]     Checking rls-span v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking racer-cargo-metadata v0.1.1
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling rustc-ap-rustc_macros v491.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v491.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_data_structures v407.0.0
[INFO] [stderr]     Checking rustc-ap-arena v491.0.0
[INFO] [stderr]     Checking rustc-ap-arena v407.0.0
[INFO] [stderr]     Checking rustc-ap-syntax_pos v491.0.0
[INFO] [stderr]     Checking rustc-ap-syntax_pos v407.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_errors v407.0.0
[INFO] [stderr]     Checking rustc-ap-rustc_errors v491.0.0
[INFO] [stderr]     Checking racer v2.1.21 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/racer/util.rs:418:32
[INFO] [stderr]     |
[INFO] [stderr] 418 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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/racer/core.rs:715:28
[INFO] [stderr]     |
[INFO] [stderr] 715 |     pub(crate) loader: Box<FileLoader>,
[INFO] [stderr]     |                            ^^^^^^^^^^ help: use `dyn`: `dyn FileLoader`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/racer/core.rs:861:28
[INFO] [stderr]     |
[INFO] [stderr] 861 |     pub project_model: Box<ProjectModelProvider + 'c>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ProjectModelProvider + 'c`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/racer/core.rs:894:28
[INFO] [stderr]     |
[INFO] [stderr] 894 |         project_model: Box<ProjectModelProvider + 'c>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ProjectModelProvider + 'c`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/racer/metadata.rs:69:24
[INFO] [stderr]    |
[INFO] [stderr] 69 |         search_fn: Box<Fn(&str) -> bool>,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> bool`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/racer/metadata.rs:110:31
[INFO] [stderr]     |
[INFO] [stderr] 110 | pub fn project_model() -> Box<ProjectModelProvider> {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn ProjectModelProvider`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/racer/project_model.rs:15:24
[INFO] [stderr]    |
[INFO] [stderr] 15 |         search_fn: Box<Fn(&str) -> bool>,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> bool`
[INFO] [stderr] 
[INFO] [stderr]     Checking racer v2.1.23
[INFO] [stderr]     Checking racer-testutils v0.1.0
[INFO] [stderr] error[E0061]: this function takes 2 parameters but 1 parameter was supplied
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/racer-testutils-0.1.0/src/lib.rs:191:19
[INFO] [stderr]     |
[INFO] [stderr] 191 |     let session = racer::Session::new(&cache);
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected 2 parameters
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 2 parameters but 1 parameter was supplied
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/racer-testutils-0.1.0/src/lib.rs:219:19
[INFO] [stderr]     |
[INFO] [stderr] 219 |     let session = racer::Session::new(&cache);
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected 2 parameters
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0061`.
[INFO] [stderr] error: Could not compile `racer-testutils`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "0aca1c3b2db51a68869cae0cf790da7984aa4a754cb748cb13dcbecb67a9298f"`
[INFO] running `"docker" "rm" "-f" "0aca1c3b2db51a68869cae0cf790da7984aa4a754cb748cb13dcbecb67a9298f"`
[INFO] [stdout] 0aca1c3b2db51a68869cae0cf790da7984aa4a754cb748cb13dcbecb67a9298f