[INFO] crate slog-async 2.3.0 is already in cache
[INFO] extracting crate slog-async 2.3.0 into work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/reg/slog-async/2.3.0
[INFO] extracting crate slog-async 2.3.0 into work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/reg/slog-async/2.3.0
[INFO] validating manifest of slog-async-2.3.0 on toolchain master#7840a0b753a065a41999f1fb6028f67d33e3fdd5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of slog-async-2.3.0 on toolchain try#6a9f0b6cc40687e25f9d772e3b10bab335c63853
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing slog-async-2.3.0
[INFO] finished frobbing slog-async-2.3.0
[INFO] frobbed toml for slog-async-2.3.0 written to work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/reg/slog-async/2.3.0/Cargo.toml
[INFO] started frobbing slog-async-2.3.0
[INFO] finished frobbing slog-async-2.3.0
[INFO] frobbed toml for slog-async-2.3.0 written to work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/reg/slog-async/2.3.0/Cargo.toml
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking slog-async-2.3.0 against try#6a9f0b6cc40687e25f9d772e3b10bab335c63853 for pr-60466
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60466/worker-1/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/reg/slog-async/2.3.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c4196a7ce254fdf1826ccb6975e6d31c7da62a919487b9328e3880b2728fdb47
[INFO] running `"docker" "start" "-a" "c4196a7ce254fdf1826ccb6975e6d31c7da62a919487b9328e3880b2728fdb47"`
[INFO] [stderr]     Checking slog-async v2.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |     kv: Box<KV + Send>,
[INFO] [stderr]    |             ^^^^^^^^^ help: use `dyn`: `dyn KV + Send`
[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]   --> lib.rs:81:28
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn finish(self) -> Box<KV + Send> {
[INFO] [stderr]    |                            ^^^^^^^^^ help: use `dyn`: `dyn KV + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> lib.rs:184:15
[INFO] [stderr]     |
[INFO] [stderr] 184 |     Fatal(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]    --> lib.rs:371:34
[INFO] [stderr]     |
[INFO] [stderr] 371 |         let _err: 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]    --> lib.rs:479:13
[INFO] [stderr]     |
[INFO] [stderr] 479 |     kv: Box<KV + Send>,
[INFO] [stderr]     |             ^^^^^^^^^ help: use `dyn`: `dyn KV + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> lib.rs:489:34
[INFO] [stderr]     |
[INFO] [stderr] 489 |         let _err: 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]   --> lib.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |     kv: Box<KV + Send>,
[INFO] [stderr]    |             ^^^^^^^^^ help: use `dyn`: `dyn KV + Send`
[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]   --> lib.rs:81:28
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn finish(self) -> Box<KV + Send> {
[INFO] [stderr]    |                            ^^^^^^^^^ help: use `dyn`: `dyn KV + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> lib.rs:184:15
[INFO] [stderr]     |
[INFO] [stderr] 184 |     Fatal(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]    --> lib.rs:371:34
[INFO] [stderr]     |
[INFO] [stderr] 371 |         let _err: 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]    --> lib.rs:479:13
[INFO] [stderr]     |
[INFO] [stderr] 479 |     kv: Box<KV + Send>,
[INFO] [stderr]     |             ^^^^^^^^^ help: use `dyn`: `dyn KV + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> lib.rs:489:34
[INFO] [stderr]     |
[INFO] [stderr] 489 |         let _err: 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 1.04s
[INFO] running `"docker" "inspect" "c4196a7ce254fdf1826ccb6975e6d31c7da62a919487b9328e3880b2728fdb47"`
[INFO] running `"docker" "rm" "-f" "c4196a7ce254fdf1826ccb6975e6d31c7da62a919487b9328e3880b2728fdb47"`
[INFO] [stdout] c4196a7ce254fdf1826ccb6975e6d31c7da62a919487b9328e3880b2728fdb47