[INFO] updating cached repository yarrow/setop
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yarrow/setop
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yarrow/setop" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/yarrow/setop"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/yarrow/setop'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yarrow/setop" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/yarrow/setop"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/yarrow/setop'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 970ab8f6880c0bcad3d888fecd35aa67a79216e7
[INFO] sha for GitHub repo yarrow/setop: 970ab8f6880c0bcad3d888fecd35aa67a79216e7
[INFO] validating manifest of yarrow/setop on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of yarrow/setop on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing yarrow/setop
[INFO] finished frobbing yarrow/setop
[INFO] frobbed toml for yarrow/setop written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/yarrow/setop/Cargo.toml
[INFO] started frobbing yarrow/setop
[INFO] finished frobbing yarrow/setop
[INFO] frobbed toml for yarrow/setop written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/yarrow/setop/Cargo.toml
[INFO] crate yarrow/setop already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking yarrow/setop against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-0/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/yarrow/setop:/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 578e9728cbf63124ac568d6bdb5a06f1a2d8ef06a8f045cb81671e04aa56946b
[INFO] running `"docker" "start" "-a" "578e9728cbf63124ac568d6bdb5a06f1a2d8ef06a8f045cb81671e04aa56946b"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]     Checking same-file v1.0.3
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking indexmap v1.0.1
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking walkdir v2.2.5
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking predicates v1.0.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking crossbeam-epoch v0.6.0
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking tempfile v3.0.4
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]    Compiling syn v0.15.7
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking regex v1.0.5
[INFO] [stderr]     Checking globset v0.4.2
[INFO] [stderr]     Checking predicates v0.5.2
[INFO] [stderr]     Checking ignore v0.4.4
[INFO] [stderr]     Checking globwalk v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]     Checking structopt v0.2.10
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking setop v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking assert_fs v0.2.1
[INFO] [stderr]     Checking serde_json v1.0.31
[INFO] [stderr]     Checking assert_cmd v0.10.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 15s
[INFO] running `"docker" "inspect" "578e9728cbf63124ac568d6bdb5a06f1a2d8ef06a8f045cb81671e04aa56946b"`
[INFO] running `"docker" "rm" "-f" "578e9728cbf63124ac568d6bdb5a06f1a2d8ef06a8f045cb81671e04aa56946b"`
[INFO] [stdout] 578e9728cbf63124ac568d6bdb5a06f1a2d8ef06a8f045cb81671e04aa56946b