[INFO] updating cached repository phreaknik/isprime-flt
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/phreaknik/isprime-flt
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/phreaknik/isprime-flt" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/phreaknik/isprime-flt"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/phreaknik/isprime-flt'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/phreaknik/isprime-flt" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/phreaknik/isprime-flt"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/phreaknik/isprime-flt'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b8eba0df6dbe194dedd1183929756e0e8ef6f2e4
[INFO] sha for GitHub repo phreaknik/isprime-flt: b8eba0df6dbe194dedd1183929756e0e8ef6f2e4
[INFO] validating manifest of phreaknik/isprime-flt on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of phreaknik/isprime-flt on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing phreaknik/isprime-flt
[INFO] finished frobbing phreaknik/isprime-flt
[INFO] frobbed toml for phreaknik/isprime-flt written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/phreaknik/isprime-flt/Cargo.toml
[INFO] started frobbing phreaknik/isprime-flt
[INFO] finished frobbing phreaknik/isprime-flt
[INFO] frobbed toml for phreaknik/isprime-flt written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/phreaknik/isprime-flt/Cargo.toml
[INFO] crate phreaknik/isprime-flt already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking phreaknik/isprime-flt against try#78b0bd8441ef961f6475e3d47fe3bca38cb83432 for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-7/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/phreaknik/isprime-flt:/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" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e2c9bc3acfb05de78fb21cfef5e63ef30f977c7a15e928d356f87e8106cbeb7f
[INFO] running `"docker" "start" "-a" "e2c9bc3acfb05de78fb21cfef5e63ef30f977c7a15e928d356f87e8106cbeb7f"`
[INFO] [stderr]     Checking clap v2.29.2
[INFO] [stderr]     Checking mod_exp v1.0.0
[INFO] [stderr]     Checking isprime-flt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.55s
[INFO] running `"docker" "inspect" "e2c9bc3acfb05de78fb21cfef5e63ef30f977c7a15e928d356f87e8106cbeb7f"`
[INFO] running `"docker" "rm" "-f" "e2c9bc3acfb05de78fb21cfef5e63ef30f977c7a15e928d356f87e8106cbeb7f"`
[INFO] [stdout] e2c9bc3acfb05de78fb21cfef5e63ef30f977c7a15e928d356f87e8106cbeb7f