[INFO] updating cached repository amitdash291/rust_pi_estimation [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/amitdash291/rust_pi_estimation [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/amitdash291/rust_pi_estimation" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/amitdash291/rust_pi_estimation"` [INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/amitdash291/rust_pi_estimation'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/amitdash291/rust_pi_estimation" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/amitdash291/rust_pi_estimation"` [INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/amitdash291/rust_pi_estimation'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 10beb91ebacaf3e9a15c7c6a44e404c74b9b8432 [INFO] sha for GitHub repo amitdash291/rust_pi_estimation: 10beb91ebacaf3e9a15c7c6a44e404c74b9b8432 [INFO] validating manifest of amitdash291/rust_pi_estimation on toolchain master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of amitdash291/rust_pi_estimation on toolchain try#bad365140e1e8233b42b21af70a407f14ce5fec5 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing amitdash291/rust_pi_estimation [INFO] finished frobbing amitdash291/rust_pi_estimation [INFO] frobbed toml for amitdash291/rust_pi_estimation written to work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/amitdash291/rust_pi_estimation/Cargo.toml [INFO] started frobbing amitdash291/rust_pi_estimation [INFO] finished frobbing amitdash291/rust_pi_estimation [INFO] frobbed toml for amitdash291/rust_pi_estimation written to work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/amitdash291/rust_pi_estimation/Cargo.toml [INFO] crate amitdash291/rust_pi_estimation has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bad365140e1e8233b42b21af70a407f14ce5fec5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking amitdash291/rust_pi_estimation against master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980 for pr-56896 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56896/worker-6/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/amitdash291/rust_pi_estimation:/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" "+adbfec229ce07ff4b2a7bf2d6dec2d13cb224980-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] b12cf6396b72dc77c10965a6371172500f7383151f81ede15ee98a6dfd925e9e [INFO] running `"docker" "start" "-a" "b12cf6396b72dc77c10965a6371172500f7383151f81ede15ee98a6dfd925e9e"` [INFO] [stderr] Checking hello_cargo v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.69s [INFO] running `"docker" "inspect" "b12cf6396b72dc77c10965a6371172500f7383151f81ede15ee98a6dfd925e9e"` [INFO] running `"docker" "rm" "-f" "b12cf6396b72dc77c10965a6371172500f7383151f81ede15ee98a6dfd925e9e"` [INFO] [stdout] b12cf6396b72dc77c10965a6371172500f7383151f81ede15ee98a6dfd925e9e