[INFO] updating cached repository Juici/mvr
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Juici/mvr
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Juici/mvr" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Juici/mvr"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Juici/mvr'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Juici/mvr" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Juici/mvr"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Juici/mvr'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 82525171db1eec479c99fb8ebe88e6e184ef32d1
[INFO] sha for GitHub repo Juici/mvr: 82525171db1eec479c99fb8ebe88e6e184ef32d1
[INFO] validating manifest of Juici/mvr on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Juici/mvr on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Juici/mvr
[INFO] finished frobbing Juici/mvr
[INFO] frobbed toml for Juici/mvr written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/Juici/mvr/Cargo.toml
[INFO] started frobbing Juici/mvr
[INFO] finished frobbing Juici/mvr
[INFO] frobbed toml for Juici/mvr written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Juici/mvr/Cargo.toml
[INFO] crate Juici/mvr already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Juici/mvr against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-6/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/Juici/mvr:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 231a7796489f4d8fa54b6ba4f41721855eca0331643f7bc662c2fe30ffcce67f
[INFO] running `"docker" "start" "-a" "231a7796489f4d8fa54b6ba4f41721855eca0331643f7bc662c2fe30ffcce67f"`
[INFO] [stderr]    Compiling mvr v0.2.1 (/opt/crater/workdir)
[INFO] [stderr]    Compiling syn v0.15.17
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.41s
[INFO] running `"docker" "inspect" "231a7796489f4d8fa54b6ba4f41721855eca0331643f7bc662c2fe30ffcce67f"`
[INFO] running `"docker" "rm" "-f" "231a7796489f4d8fa54b6ba4f41721855eca0331643f7bc662c2fe30ffcce67f"`
[INFO] [stdout] 231a7796489f4d8fa54b6ba4f41721855eca0331643f7bc662c2fe30ffcce67f