[INFO] updating cached repository TropicSapling/rust-number-guesser [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/TropicSapling/rust-number-guesser [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/TropicSapling/rust-number-guesser" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/TropicSapling/rust-number-guesser"` [INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/TropicSapling/rust-number-guesser'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/TropicSapling/rust-number-guesser" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/TropicSapling/rust-number-guesser"` [INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/TropicSapling/rust-number-guesser'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 2e13ff855f18274949ad892e3a9bb59837cba9ef [INFO] sha for GitHub repo TropicSapling/rust-number-guesser: 2e13ff855f18274949ad892e3a9bb59837cba9ef [INFO] validating manifest of TropicSapling/rust-number-guesser on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of TropicSapling/rust-number-guesser on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing TropicSapling/rust-number-guesser [INFO] finished frobbing TropicSapling/rust-number-guesser [INFO] frobbed toml for TropicSapling/rust-number-guesser written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/TropicSapling/rust-number-guesser/Cargo.toml [INFO] started frobbing TropicSapling/rust-number-guesser [INFO] finished frobbing TropicSapling/rust-number-guesser [INFO] frobbed toml for TropicSapling/rust-number-guesser written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/TropicSapling/rust-number-guesser/Cargo.toml [INFO] crate TropicSapling/rust-number-guesser already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking TropicSapling/rust-number-guesser against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/TropicSapling/rust-number-guesser:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 79cf2dc5336e03abadd194d469582ebc7150543915aee936a71946bb1c8df98b [INFO] running `"docker" "start" "-a" "79cf2dc5336e03abadd194d469582ebc7150543915aee936a71946bb1c8df98b"` [INFO] [stderr] Checking rand_core v0.1.0-pre.0 [INFO] [stderr] Checking rand v0.5.0-pre.0 [INFO] [stderr] Checking rust-number-guesser v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.54s [INFO] running `"docker" "inspect" "79cf2dc5336e03abadd194d469582ebc7150543915aee936a71946bb1c8df98b"` [INFO] running `"docker" "rm" "-f" "79cf2dc5336e03abadd194d469582ebc7150543915aee936a71946bb1c8df98b"` [INFO] [stdout] 79cf2dc5336e03abadd194d469582ebc7150543915aee936a71946bb1c8df98b