[INFO] updating cached repository jackyzhen/rust-vs-go-slides
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jackyzhen/rust-vs-go-slides
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jackyzhen/rust-vs-go-slides" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/jackyzhen/rust-vs-go-slides"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/jackyzhen/rust-vs-go-slides'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jackyzhen/rust-vs-go-slides" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/jackyzhen/rust-vs-go-slides"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/jackyzhen/rust-vs-go-slides'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aab94ec37548c57d445ea7438359d3f1e66f0988
[INFO] sha for GitHub repo jackyzhen/rust-vs-go-slides: aab94ec37548c57d445ea7438359d3f1e66f0988
[INFO] validating manifest of jackyzhen/rust-vs-go-slides 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 jackyzhen/rust-vs-go-slides 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 jackyzhen/rust-vs-go-slides
[INFO] finished frobbing jackyzhen/rust-vs-go-slides
[INFO] frobbed toml for jackyzhen/rust-vs-go-slides written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/jackyzhen/rust-vs-go-slides/Cargo.toml
[INFO] started frobbing jackyzhen/rust-vs-go-slides
[INFO] finished frobbing jackyzhen/rust-vs-go-slides
[INFO] frobbed toml for jackyzhen/rust-vs-go-slides written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/jackyzhen/rust-vs-go-slides/Cargo.toml
[INFO] crate jackyzhen/rust-vs-go-slides already has a lockfile, it will not be regenerated
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking jackyzhen/rust-vs-go-slides against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-6/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/jackyzhen/rust-vs-go-slides:/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] 67d9773d8e5b1f67c2b45e6591202575962aa1098a86da6a115c58474bee731b
[INFO] running `"docker" "start" "-a" "67d9773d8e5b1f67c2b45e6591202575962aa1098a86da6a115c58474bee731b"`
[INFO] [stderr]    Compiling stdweb v0.4.8
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]    Compiling stdweb-derive v0.4.0
[INFO] [stderr]     Checking yew v0.5.0 (https://github.com/DenisKolodin/yew?rev=b957f8778ebb3ce88a6d10dfb41f04a4e44d6640#b957f877)
[INFO] [stderr]     Checking rust-vs-go-slides v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/model.rs:28:29
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub handler: Option<Box<Task>>,
[INFO] [stderr]    |                             ^^^^ help: use `dyn`: `dyn Task`
[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/model.rs:28:29
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub handler: Option<Box<Task>>,
[INFO] [stderr]    |                             ^^^^ help: use `dyn`: `dyn Task`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.56s
[INFO] running `"docker" "inspect" "67d9773d8e5b1f67c2b45e6591202575962aa1098a86da6a115c58474bee731b"`
[INFO] running `"docker" "rm" "-f" "67d9773d8e5b1f67c2b45e6591202575962aa1098a86da6a115c58474bee731b"`
[INFO] [stdout] 67d9773d8e5b1f67c2b45e6591202575962aa1098a86da6a115c58474bee731b