[INFO] crate yobot 0.1.1 is already in cache
[INFO] extracting crate yobot 0.1.1 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/yobot/0.1.1
[INFO] extracting crate yobot 0.1.1 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/yobot/0.1.1
[INFO] validating manifest of yobot-0.1.1 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of yobot-0.1.1 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing yobot-0.1.1
[INFO] finished frobbing yobot-0.1.1
[INFO] frobbed toml for yobot-0.1.1 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/yobot/0.1.1/Cargo.toml
[INFO] started frobbing yobot-0.1.1
[INFO] finished frobbing yobot-0.1.1
[INFO] frobbed toml for yobot-0.1.1 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/yobot/0.1.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking yobot-0.1.1 against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-7/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/yobot/0.1.1:/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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2831cff3be6db8b678d10f969d87e63e02987012603507303bb76bf9786ded7e
[INFO] running `"docker" "start" "-a" "2831cff3be6db8b678d10f969d87e63e02987012603507303bb76bf9786ded7e"`
[INFO] [stderr]     Checking base64 v0.5.2
[INFO] [stderr]     Checking reqwest v0.4.0
[INFO] [stderr]     Checking tungstenite v0.2.4
[INFO] [stderr]     Checking slack_api v0.17.0
[INFO] [stderr]     Checking slack v0.18.0
[INFO] [stderr]     Checking yobot v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/yobot.rs:30:24
[INFO] [stderr]    |
[INFO] [stderr] 30 |     listeners: Vec<Box<MessageListener>>,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageListener`
[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/yobot.rs:30:24
[INFO] [stderr]    |
[INFO] [stderr] 30 |     listeners: Vec<Box<MessageListener>>,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageListener`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/slackhandler.rs:74:35
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 message = message.slice_unchecked(prefix_len, message_len);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::slice_unchecked': use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/slackhandler.rs:74:35
[INFO] [stderr]    |
[INFO] [stderr] 74 |                 message = message.slice_unchecked(prefix_len, message_len);
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.95s
[INFO] running `"docker" "inspect" "2831cff3be6db8b678d10f969d87e63e02987012603507303bb76bf9786ded7e"`
[INFO] running `"docker" "rm" "-f" "2831cff3be6db8b678d10f969d87e63e02987012603507303bb76bf9786ded7e"`
[INFO] [stdout] 2831cff3be6db8b678d10f969d87e63e02987012603507303bb76bf9786ded7e