[INFO] cloning repository GovTechSG/chkr
[INFO] running `"git" "clone" "--bare" "git://github.com/GovTechSG/chkr.git" "work/cache/sources/gh/GovTechSG/chkr"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/GovTechSG/chkr'...
[INFO] running `"git" "clone" "work/cache/sources/gh/GovTechSG/chkr" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/GovTechSG/chkr"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/GovTechSG/chkr'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/GovTechSG/chkr" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/GovTechSG/chkr"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/GovTechSG/chkr'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 767e4218499563f16683fc0b38f3e6505ef80480
[INFO] sha for GitHub repo GovTechSG/chkr: 767e4218499563f16683fc0b38f3e6505ef80480
[INFO] validating manifest of GovTechSG/chkr on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of GovTechSG/chkr on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing GovTechSG/chkr
[INFO] finished frobbing GovTechSG/chkr
[INFO] frobbed toml for GovTechSG/chkr written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/GovTechSG/chkr/Cargo.toml
[INFO] started frobbing GovTechSG/chkr
[INFO] finished frobbing GovTechSG/chkr
[INFO] frobbed toml for GovTechSG/chkr written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/GovTechSG/chkr/Cargo.toml
[INFO] crate GovTechSG/chkr has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking GovTechSG/chkr against try#290ac7b29f41ff9fa5232f9a1116ea71a3501063 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-3/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/GovTechSG/chkr:/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" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0d1fbfb19084bcf65f7dbc408b4b902f0a96aa320b04840f929d331093b23e1a
[INFO] running `"docker" "start" "-a" "0d1fbfb19084bcf65f7dbc408b4b902f0a96aa320b04840f929d331093b23e1a"`
[INFO] [stderr]     Checking assert_matches v1.1.0
[INFO] [stderr]     Checking csv v0.14.7
[INFO] [stderr]     Checking docopt v0.6.86
[INFO] [stderr]     Checking chkr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.79s
[INFO] running `"docker" "inspect" "0d1fbfb19084bcf65f7dbc408b4b902f0a96aa320b04840f929d331093b23e1a"`
[INFO] running `"docker" "rm" "-f" "0d1fbfb19084bcf65f7dbc408b4b902f0a96aa320b04840f929d331093b23e1a"`
[INFO] [stdout] 0d1fbfb19084bcf65f7dbc408b4b902f0a96aa320b04840f929d331093b23e1a