[INFO] crate advancedresearch-asi_core0 0.1.0 is already in cache
[INFO] extracting crate advancedresearch-asi_core0 0.1.0 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/advancedresearch-asi_core0/0.1.0
[INFO] extracting crate advancedresearch-asi_core0 0.1.0 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/advancedresearch-asi_core0/0.1.0
[INFO] validating manifest of advancedresearch-asi_core0-0.1.0 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 advancedresearch-asi_core0-0.1.0 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 advancedresearch-asi_core0-0.1.0
[INFO] finished frobbing advancedresearch-asi_core0-0.1.0
[INFO] frobbed toml for advancedresearch-asi_core0-0.1.0 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/advancedresearch-asi_core0/0.1.0/Cargo.toml
[INFO] started frobbing advancedresearch-asi_core0-0.1.0
[INFO] finished frobbing advancedresearch-asi_core0-0.1.0
[INFO] frobbed toml for advancedresearch-asi_core0-0.1.0 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/advancedresearch-asi_core0/0.1.0/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 advancedresearch-asi_core0-0.1.0 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-2/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/advancedresearch-asi_core0/0.1.0:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 28be1307439ee4f9622b5b81a8b03a5debc403df14ac554f9fe1ac0c993835e6
[INFO] running `"docker" "start" "-a" "28be1307439ee4f9622b5b81a8b03a5debc403df14ac554f9fe1ac0c993835e6"`
[INFO] [stderr]     Checking advancedresearch-asi_core0 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:192:20
[INFO] [stderr]     |
[INFO] [stderr] 192 |         error: Box<::std::error::Error>
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::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/lib.rs:199:20
[INFO] [stderr]     |
[INFO] [stderr] 199 |         error: Box<::std::error::Error>
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:310:55
[INFO] [stderr]     |
[INFO] [stderr] 310 |     fn try_receive(&mut self) -> Option<Result<T, Box<::std::error::Error>>>;
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:319:56
[INFO] [stderr]     |
[INFO] [stderr] 319 |     fn try_confirm(&mut self) -> Option<Result<(), Box<::std::error::Error>>>;
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:192:20
[INFO] [stderr]     |
[INFO] [stderr] 192 |         error: Box<::std::error::Error>
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::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/lib.rs:199:20
[INFO] [stderr]     |
[INFO] [stderr] 199 |         error: Box<::std::error::Error>
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:310:55
[INFO] [stderr]     |
[INFO] [stderr] 310 |     fn try_receive(&mut self) -> Option<Result<T, Box<::std::error::Error>>>;
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:319:56
[INFO] [stderr]     |
[INFO] [stderr] 319 |     fn try_confirm(&mut self) -> Option<Result<(), Box<::std::error::Error>>>;
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/bob_sleeps.rs:33:56
[INFO] [stderr]    |
[INFO] [stderr] 33 |     fn try_receive(&mut self) -> Option<Result<(), Box<::std::error::Error>>> {None}
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::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]   --> examples/bob_sleeps.rs:61:56
[INFO] [stderr]    |
[INFO] [stderr] 61 |     fn try_confirm(&mut self) -> Option<Result<(), Box<::std::error::Error>>> {
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `"docker" "inspect" "28be1307439ee4f9622b5b81a8b03a5debc403df14ac554f9fe1ac0c993835e6"`
[INFO] running `"docker" "rm" "-f" "28be1307439ee4f9622b5b81a8b03a5debc403df14ac554f9fe1ac0c993835e6"`
[INFO] [stdout] 28be1307439ee4f9622b5b81a8b03a5debc403df14ac554f9fe1ac0c993835e6