[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-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/yarrow/setop"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/yarrow/setop'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yarrow/setop" "work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/yarrow/setop"`
[INFO] [stderr] Cloning into 'work/ex/pr-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/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#589beb979c0f1a9736e02e578913db88398c3ba5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of yarrow/setop on toolchain try#42445ded8fd34235a676755cb5d079658ed51f6a
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-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-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/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-60944/sources/try#42445ded8fd34235a676755cb5d079658ed51f6a/gh/yarrow/setop/Cargo.toml
[INFO] crate yarrow/setop already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+42445ded8fd34235a676755cb5d079658ed51f6a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking yarrow/setop against master#589beb979c0f1a9736e02e578913db88398c3ba5 for pr-60944
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60944/worker-1/master#589beb979c0f1a9736e02e578913db88398c3ba5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60944/sources/master#589beb979c0f1a9736e02e578913db88398c3ba5/gh/yarrow/setop:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+589beb979c0f1a9736e02e578913db88398c3ba5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f5e1800d8f9e1471c3d9384dc26841c5096d311408dca1ff6537f85c5cd7b8a4
[INFO] running `"docker" "start" "-a" "f5e1800d8f9e1471c3d9384dc26841c5096d311408dca1ff6537f85c5cd7b8a4"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.6.0
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking predicates v0.5.2
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking predicates v1.0.0
[INFO] [stderr]     Checking globset v0.4.2
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.15.7
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking tempfile v3.0.4
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[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 assert_fs v0.2.1
[INFO] [stderr]     Checking setop v0.1.0 (/opt/crater/workdir)
[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 50.10s
[INFO] running `"docker" "inspect" "f5e1800d8f9e1471c3d9384dc26841c5096d311408dca1ff6537f85c5cd7b8a4"`
[INFO] running `"docker" "rm" "-f" "f5e1800d8f9e1471c3d9384dc26841c5096d311408dca1ff6537f85c5cd7b8a4"`
[INFO] [stdout] f5e1800d8f9e1471c3d9384dc26841c5096d311408dca1ff6537f85c5cd7b8a4