[INFO] updating cached repository Keats/kickstart
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Keats/kickstart
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Keats/kickstart" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Keats/kickstart"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Keats/kickstart'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Keats/kickstart" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Keats/kickstart"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Keats/kickstart'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3c419156a5d38734b17b1add1b6c996b34affeee
[INFO] sha for GitHub repo Keats/kickstart: 3c419156a5d38734b17b1add1b6c996b34affeee
[INFO] validating manifest of Keats/kickstart on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Keats/kickstart on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Keats/kickstart
[INFO] finished frobbing Keats/kickstart
[INFO] frobbed toml for Keats/kickstart written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Keats/kickstart/Cargo.toml
[INFO] started frobbing Keats/kickstart
[INFO] finished frobbing Keats/kickstart
[INFO] frobbed toml for Keats/kickstart written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/Keats/kickstart/Cargo.toml
[INFO] crate Keats/kickstart already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Keats/kickstart against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-5/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/Keats/kickstart:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] cb5c460f8579e991d2621841e4fe095c30072550301b1a5e289af7ebdb656a16
[INFO] running `"docker" "start" "-a" "cb5c460f8579e991d2621841e4fe095c30072550301b1a5e289af7ebdb656a16"`
[INFO] [stderr]     Checking unic-char-range v0.7.0
[INFO] [stderr]     Checking unic-common v0.7.0
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking tempfile v3.0.4
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking serde_json v1.0.31
[INFO] [stderr]     Checking toml v0.4.7
[INFO] [stderr]    Compiling syn v0.15.6
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking unic-char-property v0.7.0
[INFO] [stderr]     Checking unic-ucd-version v0.7.0
[INFO] [stderr]     Checking unic-ucd-segment v0.7.0
[INFO] [stderr]     Checking regex v1.0.5
[INFO] [stderr]     Checking unic-segment v0.7.0
[INFO] [stderr]     Checking tera v0.11.16
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]     Checking kickstart v0.1.8 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:77:32
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[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/errors.rs:77:32
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn cause(&self) -> Option<&StdError> {
[INFO] [stderr]    |                                ^^^^^^^^ help: use `dyn`: `dyn StdError`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.51s
[INFO] running `"docker" "inspect" "cb5c460f8579e991d2621841e4fe095c30072550301b1a5e289af7ebdb656a16"`
[INFO] running `"docker" "rm" "-f" "cb5c460f8579e991d2621841e4fe095c30072550301b1a5e289af7ebdb656a16"`
[INFO] [stdout] cb5c460f8579e991d2621841e4fe095c30072550301b1a5e289af7ebdb656a16