[INFO] cloning repository thecog19/rust-experiments [INFO] running `"git" "clone" "--bare" "git://github.com/thecog19/rust-experiments.git" "work/cache/sources/gh/thecog19/rust-experiments"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/thecog19/rust-experiments'... [INFO] running `"git" "clone" "work/cache/sources/gh/thecog19/rust-experiments" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/thecog19/rust-experiments"` [INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/thecog19/rust-experiments'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/thecog19/rust-experiments" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/thecog19/rust-experiments"` [INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/thecog19/rust-experiments'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] aeb446f9fb0d6bcaa23de747a7ffbc2391ddd48e [INFO] sha for GitHub repo thecog19/rust-experiments: aeb446f9fb0d6bcaa23de747a7ffbc2391ddd48e [INFO] validating manifest of thecog19/rust-experiments on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of thecog19/rust-experiments on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing thecog19/rust-experiments [INFO] finished frobbing thecog19/rust-experiments [INFO] frobbed toml for thecog19/rust-experiments written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/thecog19/rust-experiments/Cargo.toml [INFO] started frobbing thecog19/rust-experiments [INFO] finished frobbing thecog19/rust-experiments [INFO] frobbed toml for thecog19/rust-experiments written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/thecog19/rust-experiments/Cargo.toml [INFO] crate thecog19/rust-experiments has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking thecog19/rust-experiments against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-5/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/thecog19/rust-experiments:/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 3ea6db6e83925f78080fe183fb05a5732c9fb061b3c41f1077b7b62b6e6f91b3 [INFO] running `"docker" "start" "-a" "3ea6db6e83925f78080fe183fb05a5732c9fb061b3c41f1077b7b62b6e6f91b3"` [INFO] [stderr] Checking playing-with-rust v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.28s [INFO] running `"docker" "inspect" "3ea6db6e83925f78080fe183fb05a5732c9fb061b3c41f1077b7b62b6e6f91b3"` [INFO] running `"docker" "rm" "-f" "3ea6db6e83925f78080fe183fb05a5732c9fb061b3c41f1077b7b62b6e6f91b3"` [INFO] [stdout] 3ea6db6e83925f78080fe183fb05a5732c9fb061b3c41f1077b7b62b6e6f91b3