[INFO] cloning repository xfbs/xar
[INFO] running `"git" "clone" "--bare" "git://github.com/xfbs/xar.git" "work/cache/sources/gh/xfbs/xar"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/xfbs/xar'...
[INFO] running `"git" "clone" "work/cache/sources/gh/xfbs/xar" "work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/xfbs/xar"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/xfbs/xar'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/xfbs/xar" "work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/xfbs/xar"`
[INFO] [stderr] Cloning into 'work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/xfbs/xar'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1f98471e0858dc8ff9bbcedec1949d530756cac4
[INFO] sha for GitHub repo xfbs/xar: 1f98471e0858dc8ff9bbcedec1949d530756cac4
[INFO] validating manifest of xfbs/xar on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of xfbs/xar on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing xfbs/xar
[INFO] finished frobbing xfbs/xar
[INFO] frobbed toml for xfbs/xar written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/xfbs/xar/Cargo.toml
[INFO] started frobbing xfbs/xar
[INFO] finished frobbing xfbs/xar
[INFO] frobbed toml for xfbs/xar written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/gh/xfbs/xar/Cargo.toml
[INFO] crate xfbs/xar already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking xfbs/xar against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-4/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/gh/xfbs/xar:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 471321232f8a0c88f4d2202e5497020b91099e233b6415bfbca8b6b8ce194f7a
[INFO] running `"docker" "start" "-a" "471321232f8a0c88f4d2202e5497020b91099e233b6415bfbca8b6b8ce194f7a"`
[INFO] [stderr]     Checking libflate v0.1.23
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking quick-xml v0.14.0
[INFO] [stderr]     Checking serde v1.0.92
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking xar v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.63s
[INFO] running `"docker" "inspect" "471321232f8a0c88f4d2202e5497020b91099e233b6415bfbca8b6b8ce194f7a"`
[INFO] running `"docker" "rm" "-f" "471321232f8a0c88f4d2202e5497020b91099e233b6415bfbca8b6b8ce194f7a"`
[INFO] [stdout] 471321232f8a0c88f4d2202e5497020b91099e233b6415bfbca8b6b8ce194f7a