[INFO] updating cached repository adamtysonsmith/rust_variables
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/adamtysonsmith/rust_variables
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/adamtysonsmith/rust_variables" "work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/adamtysonsmith/rust_variables"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/adamtysonsmith/rust_variables'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/adamtysonsmith/rust_variables" "work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/adamtysonsmith/rust_variables"`
[INFO] [stderr] Cloning into 'work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/adamtysonsmith/rust_variables'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 472f7c4452a7dad212525681cdba7eded848495a
[INFO] sha for GitHub repo adamtysonsmith/rust_variables: 472f7c4452a7dad212525681cdba7eded848495a
[INFO] validating manifest of adamtysonsmith/rust_variables 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 adamtysonsmith/rust_variables 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 adamtysonsmith/rust_variables
[INFO] finished frobbing adamtysonsmith/rust_variables
[INFO] frobbed toml for adamtysonsmith/rust_variables written to work/ex/pr-62181/sources/master#6ea4036cd20a4b1ab1d56e555108c21735ff6946/gh/adamtysonsmith/rust_variables/Cargo.toml
[INFO] started frobbing adamtysonsmith/rust_variables
[INFO] finished frobbing adamtysonsmith/rust_variables
[INFO] frobbed toml for adamtysonsmith/rust_variables written to work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/adamtysonsmith/rust_variables/Cargo.toml
[INFO] crate adamtysonsmith/rust_variables 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 adamtysonsmith/rust_variables against try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc for pr-62181
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62181/worker-3/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62181/sources/try#003a7b6b5753e8509fdfe7949d4f0873ba71e4fc/gh/adamtysonsmith/rust_variables:/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] f80de453ad614b210ae723b063de9e87353c0329c20223ef517a73b139b2c053
[INFO] running `"docker" "start" "-a" "f80de453ad614b210ae723b063de9e87353c0329c20223ef517a73b139b2c053"`
[INFO] [stderr]     Checking hello_rust v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `"docker" "inspect" "f80de453ad614b210ae723b063de9e87353c0329c20223ef517a73b139b2c053"`
[INFO] running `"docker" "rm" "-f" "f80de453ad614b210ae723b063de9e87353c0329c20223ef517a73b139b2c053"`
[INFO] [stdout] f80de453ad614b210ae723b063de9e87353c0329c20223ef517a73b139b2c053