[INFO] updating cached repository iovxw/cobble
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/iovxw/cobble
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/iovxw/cobble" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/iovxw/cobble"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/iovxw/cobble'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/iovxw/cobble" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/iovxw/cobble"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/iovxw/cobble'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2f03cac83c57afd8b290400268ebe033a1023d9e
[INFO] sha for GitHub repo iovxw/cobble: 2f03cac83c57afd8b290400268ebe033a1023d9e
[INFO] validating manifest of iovxw/cobble 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 iovxw/cobble 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 iovxw/cobble
[INFO] finished frobbing iovxw/cobble
[INFO] frobbed toml for iovxw/cobble written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/iovxw/cobble/Cargo.toml
[INFO] started frobbing iovxw/cobble
[INFO] finished frobbing iovxw/cobble
[INFO] frobbed toml for iovxw/cobble written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/iovxw/cobble/Cargo.toml
[INFO] crate iovxw/cobble 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 iovxw/cobble 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/iovxw/cobble:/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] 8305b1a1148393be32494dc2426a5d20594627f7ee627325d18b02e9d436bae2
[INFO] running `"docker" "start" "-a" "8305b1a1148393be32494dc2426a5d20594627f7ee627325d18b02e9d436bae2"`
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]     Checking rustc-demangle v0.1.10
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking netbuf v0.4.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.26
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling curl-sys v0.4.15
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking rpassword v2.1.0
[INFO] [stderr]    Compiling structopt-derive v0.2.14
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]     Checking backtrace v0.3.13
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking structopt v0.2.14
[INFO] [stderr]     Checking curl v0.4.19
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking ozelot v0.8.0 (https://github.com/C4K3/Ozelot.git#e208e440)
[INFO] [stderr]     Checking cobble v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.14s
[INFO] running `"docker" "inspect" "8305b1a1148393be32494dc2426a5d20594627f7ee627325d18b02e9d436bae2"`
[INFO] running `"docker" "rm" "-f" "8305b1a1148393be32494dc2426a5d20594627f7ee627325d18b02e9d436bae2"`
[INFO] [stdout] 8305b1a1148393be32494dc2426a5d20594627f7ee627325d18b02e9d436bae2