[INFO] cloning repository jackyzhen/rust-vs-go-slides
[INFO] running `"git" "clone" "--bare" "git://github.com/jackyzhen/rust-vs-go-slides.git" "work/cache/sources/gh/jackyzhen/rust-vs-go-slides"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/jackyzhen/rust-vs-go-slides'...
[INFO] running `"git" "clone" "work/cache/sources/gh/jackyzhen/rust-vs-go-slides" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/jackyzhen/rust-vs-go-slides"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/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-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/jackyzhen/rust-vs-go-slides"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/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#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of jackyzhen/rust-vs-go-slides on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-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-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/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-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/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/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking jackyzhen/rust-vs-go-slides against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-0/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/jackyzhen/rust-vs-go-slides:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 71cec1563e1dcaa637ea6d82c5916c9dab411432df2446abcf452b891071f91e
[INFO] running `"docker" "start" "-a" "71cec1563e1dcaa637ea6d82c5916c9dab411432df2446abcf452b891071f91e"`
[INFO] [stderr]    Compiling stdweb v0.4.8
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[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 30.16s
[INFO] running `"docker" "inspect" "71cec1563e1dcaa637ea6d82c5916c9dab411432df2446abcf452b891071f91e"`
[INFO] running `"docker" "rm" "-f" "71cec1563e1dcaa637ea6d82c5916c9dab411432df2446abcf452b891071f91e"`
[INFO] [stdout] 71cec1563e1dcaa637ea6d82c5916c9dab411432df2446abcf452b891071f91e