[INFO] updating cached repository ilyail3/json_reader [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/ilyail3/json_reader [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/ilyail3/json_reader" "work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/ilyail3/json_reader"` [INFO] [stderr] Cloning into 'work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/ilyail3/json_reader'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/ilyail3/json_reader" "work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/ilyail3/json_reader"` [INFO] [stderr] Cloning into 'work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/ilyail3/json_reader'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 523d504fd163eaaa5a9d785b16f176cc6af63857 [INFO] sha for GitHub repo ilyail3/json_reader: 523d504fd163eaaa5a9d785b16f176cc6af63857 [INFO] validating manifest of ilyail3/json_reader on toolchain master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of ilyail3/json_reader on toolchain try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing ilyail3/json_reader [INFO] finished frobbing ilyail3/json_reader [INFO] frobbed toml for ilyail3/json_reader written to work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/ilyail3/json_reader/Cargo.toml [INFO] started frobbing ilyail3/json_reader [INFO] finished frobbing ilyail3/json_reader [INFO] frobbed toml for ilyail3/json_reader written to work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/ilyail3/json_reader/Cargo.toml [INFO] crate ilyail3/json_reader has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking ilyail3/json_reader against try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0 for pr-57321 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57321/worker-3/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/ilyail3/json_reader:/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" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 11e6e87745693a56180828503a87629bef849363f90fb7e8f4d42a04aa6a5c6f [INFO] running `"docker" "start" "-a" "11e6e87745693a56180828503a87629bef849363f90fb7e8f4d42a04aa6a5c6f"` [INFO] [stderr] Checking json_reader v0.1.0 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `"docker" "inspect" "11e6e87745693a56180828503a87629bef849363f90fb7e8f4d42a04aa6a5c6f"` [INFO] running `"docker" "rm" "-f" "11e6e87745693a56180828503a87629bef849363f90fb7e8f4d42a04aa6a5c6f"` [INFO] [stdout] 11e6e87745693a56180828503a87629bef849363f90fb7e8f4d42a04aa6a5c6f