[INFO] updating cached repository meddle0x53/mscheme
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/meddle0x53/mscheme
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/meddle0x53/mscheme" "work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/meddle0x53/mscheme"`
[INFO] [stderr] Cloning into 'work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/meddle0x53/mscheme'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/meddle0x53/mscheme" "work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/meddle0x53/mscheme"`
[INFO] [stderr] Cloning into 'work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/meddle0x53/mscheme'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 84dafecf41861185cba65f3cfea7c347f31241dd
[INFO] sha for GitHub repo meddle0x53/mscheme: 84dafecf41861185cba65f3cfea7c347f31241dd
[INFO] validating manifest of meddle0x53/mscheme 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 meddle0x53/mscheme 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 meddle0x53/mscheme
[INFO] finished frobbing meddle0x53/mscheme
[INFO] frobbed toml for meddle0x53/mscheme written to work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/meddle0x53/mscheme/Cargo.toml
[INFO] started frobbing meddle0x53/mscheme
[INFO] finished frobbing meddle0x53/mscheme
[INFO] frobbed toml for meddle0x53/mscheme written to work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/meddle0x53/mscheme/Cargo.toml
[INFO] crate meddle0x53/mscheme 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 meddle0x53/mscheme against master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104 for pr-57321
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57321/worker-0/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/meddle0x53/mscheme:/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" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1754ce2c021a4bdc1d0b30b7bd525515f0bb4c504f55c28ac1c2fb5c58ce6f9d
[INFO] running `"docker" "start" "-a" "1754ce2c021a4bdc1d0b30b7bd525515f0bb4c504f55c28ac1c2fb5c58ce6f9d"`
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking colored v1.6.0
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]     Checking mscheme v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:16:23
[INFO] [stderr]    |
[INFO] [stderr] 16 |     repl::start("> ", (|s, runtime| interpreter::run(&s, runtime)))
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/main.rs:16:23
[INFO] [stderr]    |
[INFO] [stderr] 16 |     repl::start("> ", (|s, runtime| interpreter::run(&s, runtime)))
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.54s
[INFO] running `"docker" "inspect" "1754ce2c021a4bdc1d0b30b7bd525515f0bb4c504f55c28ac1c2fb5c58ce6f9d"`
[INFO] running `"docker" "rm" "-f" "1754ce2c021a4bdc1d0b30b7bd525515f0bb4c504f55c28ac1c2fb5c58ce6f9d"`
[INFO] [stdout] 1754ce2c021a4bdc1d0b30b7bd525515f0bb4c504f55c28ac1c2fb5c58ce6f9d