[INFO] updating cached repository nambrot/coursera_crypto
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nambrot/coursera_crypto
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nambrot/coursera_crypto" "work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/nambrot/coursera_crypto"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/nambrot/coursera_crypto'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nambrot/coursera_crypto" "work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/nambrot/coursera_crypto"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/nambrot/coursera_crypto'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4f295870c693139f4ed21fc910fd80a6464029ca
[INFO] sha for GitHub repo nambrot/coursera_crypto: 4f295870c693139f4ed21fc910fd80a6464029ca
[INFO] validating manifest of nambrot/coursera_crypto on toolchain master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nambrot/coursera_crypto on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nambrot/coursera_crypto
[INFO] finished frobbing nambrot/coursera_crypto
[INFO] frobbed toml for nambrot/coursera_crypto written to work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/nambrot/coursera_crypto/Cargo.toml
[INFO] started frobbing nambrot/coursera_crypto
[INFO] finished frobbing nambrot/coursera_crypto
[INFO] frobbed toml for nambrot/coursera_crypto written to work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/nambrot/coursera_crypto/Cargo.toml
[INFO] crate nambrot/coursera_crypto already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking nambrot/coursera_crypto against try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af for pr-61753
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-2/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/nambrot/coursera_crypto:/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" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ced865a703a1028e422ddc4a7e95a2053ea73f2fbc60293543b1f210f7074ca7
[INFO] running `"docker" "start" "-a" "ced865a703a1028e422ddc4a7e95a2053ea73f2fbc60293543b1f210f7074ca7"`
[INFO] [stderr]     Checking coursera_crypto v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `"docker" "inspect" "ced865a703a1028e422ddc4a7e95a2053ea73f2fbc60293543b1f210f7074ca7"`
[INFO] running `"docker" "rm" "-f" "ced865a703a1028e422ddc4a7e95a2053ea73f2fbc60293543b1f210f7074ca7"`
[INFO] [stdout] ced865a703a1028e422ddc4a7e95a2053ea73f2fbc60293543b1f210f7074ca7