[INFO] updating cached repository kennethlarsen/rember-cli
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kennethlarsen/rember-cli
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kennethlarsen/rember-cli" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/kennethlarsen/rember-cli"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/kennethlarsen/rember-cli'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kennethlarsen/rember-cli" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/kennethlarsen/rember-cli"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/kennethlarsen/rember-cli'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 12ddff44ef4da51d11f8587b30ae6ad15623f48c
[INFO] sha for GitHub repo kennethlarsen/rember-cli: 12ddff44ef4da51d11f8587b30ae6ad15623f48c
[INFO] validating manifest of kennethlarsen/rember-cli on toolchain master#6ea4036cd20a4b1ab1d56e555108c21735ff6946
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of kennethlarsen/rember-cli on toolchain try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing kennethlarsen/rember-cli
[INFO] finished frobbing kennethlarsen/rember-cli
[INFO] frobbed toml for kennethlarsen/rember-cli written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/kennethlarsen/rember-cli/Cargo.toml
[INFO] started frobbing kennethlarsen/rember-cli
[INFO] finished frobbing kennethlarsen/rember-cli
[INFO] frobbed toml for kennethlarsen/rember-cli written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/kennethlarsen/rember-cli/Cargo.toml
[INFO] crate kennethlarsen/rember-cli already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ea4036cd20a4b1ab1d56e555108c21735ff6946-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking kennethlarsen/rember-cli against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-7/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/kennethlarsen/rember-cli:/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" "+003a7b6b5753e8509fdfe7949d4f0873ba71e4fc-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8dc2afa2cd129ff52473a2ccb5d09cf1ba24d8f2714e0f7d3504653ac7d86821
[INFO] running `"docker" "start" "-a" "8dc2afa2cd129ff52473a2ccb5d09cf1ba24d8f2714e0f7d3504653ac7d86821"`
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.1
[INFO] [stderr]    Compiling rember v0.1.7 (/opt/crater/workdir)
[INFO] [stderr]     Checking bstr v0.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking predicates v1.0.1
[INFO] [stderr]     Checking escargot v0.4.0
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr] warning: unused variable: `clean_path`
[INFO] [stderr]   --> build.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let clean_path = path.replace("./fixtures", &format!("{}/fixtures", &target_dir_path));
[INFO] [stderr]    |             ^^^^^^^^^^ help: consider prefixing with an underscore: `_clean_path`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> build.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |         fs::remove_dir_all(&format!("{}/fixtures", target_dir_path));
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> build.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fs::create_dir_all(&format!("{}/fixtures", target_dir_path));
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]    Compiling proc-macro-hack v0.4.1
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]     Checking globset v0.4.3
[INFO] [stderr]     Checking ignore v0.4.7
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stderr]     Checking globwalk v0.5.0
[INFO] [stderr]     Checking assert_fs v0.11.3
[INFO] [stderr]    Compiling include_dir_impl v0.2.1
[INFO] [stderr]     Checking include_dir v0.2.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.82s
[INFO] running `"docker" "inspect" "8dc2afa2cd129ff52473a2ccb5d09cf1ba24d8f2714e0f7d3504653ac7d86821"`
[INFO] running `"docker" "rm" "-f" "8dc2afa2cd129ff52473a2ccb5d09cf1ba24d8f2714e0f7d3504653ac7d86821"`
[INFO] [stdout] 8dc2afa2cd129ff52473a2ccb5d09cf1ba24d8f2714e0f7d3504653ac7d86821