[INFO] updating cached repository jinroh/rust-brainfuck [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jinroh/rust-brainfuck [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jinroh/rust-brainfuck" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jinroh/rust-brainfuck"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jinroh/rust-brainfuck'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jinroh/rust-brainfuck" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jinroh/rust-brainfuck"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jinroh/rust-brainfuck'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7c77cacb3102024deedfa7c67ecbd95127d6dc2f [INFO] sha for GitHub repo jinroh/rust-brainfuck: 7c77cacb3102024deedfa7c67ecbd95127d6dc2f [INFO] validating manifest of jinroh/rust-brainfuck on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of jinroh/rust-brainfuck on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing jinroh/rust-brainfuck [INFO] finished frobbing jinroh/rust-brainfuck [INFO] frobbed toml for jinroh/rust-brainfuck written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/jinroh/rust-brainfuck/Cargo.toml [INFO] started frobbing jinroh/rust-brainfuck [INFO] finished frobbing jinroh/rust-brainfuck [INFO] frobbed toml for jinroh/rust-brainfuck written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jinroh/rust-brainfuck/Cargo.toml [INFO] crate jinroh/rust-brainfuck already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking jinroh/rust-brainfuck against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-6/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/jinroh/rust-brainfuck:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 6274a6fa3cf6233b1147689d87eb822c97a4bc79758c3bc9f1de76d3eae7fcdf [INFO] running `"docker" "start" "-a" "6274a6fa3cf6233b1147689d87eb822c97a4bc79758c3bc9f1de76d3eae7fcdf"` [INFO] [stderr] Checking rust-brainfuck v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused return value of `core::str::::trim` that must be used [INFO] [stderr] --> src/brfk/interpreter.rs:112:13 [INFO] [stderr] | [INFO] [stderr] 112 | command_string.trim(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this returns the trimmed string as a slice, without modifying the original [INFO] [stderr] [INFO] [stderr] warning: unused return value of `core::str::::trim` that must be used [INFO] [stderr] --> src/brfk/interpreter.rs:112:13 [INFO] [stderr] | [INFO] [stderr] 112 | command_string.trim(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this returns the trimmed string as a slice, without modifying the original [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.94s [INFO] running `"docker" "inspect" "6274a6fa3cf6233b1147689d87eb822c97a4bc79758c3bc9f1de76d3eae7fcdf"` [INFO] running `"docker" "rm" "-f" "6274a6fa3cf6233b1147689d87eb822c97a4bc79758c3bc9f1de76d3eae7fcdf"` [INFO] [stdout] 6274a6fa3cf6233b1147689d87eb822c97a4bc79758c3bc9f1de76d3eae7fcdf