[INFO] updating cached repository iquiw/slack-delex
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/iquiw/slack-delex
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/iquiw/slack-delex" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/iquiw/slack-delex"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/iquiw/slack-delex'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/iquiw/slack-delex" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/iquiw/slack-delex"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/iquiw/slack-delex'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 24b3cfa0f4abf0031e87b540ae39352601407a7a
[INFO] sha for GitHub repo iquiw/slack-delex: 24b3cfa0f4abf0031e87b540ae39352601407a7a
[INFO] validating manifest of iquiw/slack-delex on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of iquiw/slack-delex on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing iquiw/slack-delex
[INFO] finished frobbing iquiw/slack-delex
[INFO] frobbed toml for iquiw/slack-delex written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/iquiw/slack-delex/Cargo.toml
[INFO] started frobbing iquiw/slack-delex
[INFO] finished frobbing iquiw/slack-delex
[INFO] frobbed toml for iquiw/slack-delex written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/iquiw/slack-delex/Cargo.toml
[INFO] crate iquiw/slack-delex already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking iquiw/slack-delex against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-3/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/iquiw/slack-delex:/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d833fb4a490176117b2d598e028a3d7a43028dd88fda72b7dab47da6ee0ddcbe
[INFO] running `"docker" "start" "-a" "d833fb4a490176117b2d598e028a3d7a43028dd88fda72b7dab47da6ee0ddcbe"`
[INFO] [stderr]     Checking slack_api v0.20.0
[INFO] [stderr]     Checking slack-delex v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:26:21
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let client: Box<slack::DelexClient> = if opts.dry_run {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn slack::DelexClient`
[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/main.rs:49:20
[INFO] [stderr]    |
[INFO] [stderr] 49 |     where C: AsRef<slack::DelexClient> {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn slack::DelexClient`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:48:100
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn delete_message<C>(client: C, channel_id: &str, json_file: &str, delay: time::Duration, filter: &json::MsgFilter) -> u32
[INFO] [stderr]    |                                                                                                    ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn json::MsgFilter`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:26:21
[INFO] [stderr]    |
[INFO] [stderr] 26 |     let client: Box<slack::DelexClient> = if opts.dry_run {
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn slack::DelexClient`
[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/main.rs:49:20
[INFO] [stderr]    |
[INFO] [stderr] 49 |     where C: AsRef<slack::DelexClient> {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn slack::DelexClient`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:48:100
[INFO] [stderr]    |
[INFO] [stderr] 48 | fn delete_message<C>(client: C, channel_id: &str, json_file: &str, delay: time::Duration, filter: &json::MsgFilter) -> u32
[INFO] [stderr]    |                                                                                                    ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn json::MsgFilter`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.26s
[INFO] running `"docker" "inspect" "d833fb4a490176117b2d598e028a3d7a43028dd88fda72b7dab47da6ee0ddcbe"`
[INFO] running `"docker" "rm" "-f" "d833fb4a490176117b2d598e028a3d7a43028dd88fda72b7dab47da6ee0ddcbe"`
[INFO] [stdout] d833fb4a490176117b2d598e028a3d7a43028dd88fda72b7dab47da6ee0ddcbe