[INFO] updating cached repository csnewman/lecture-manager
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/csnewman/lecture-manager
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/csnewman/lecture-manager" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/csnewman/lecture-manager"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/csnewman/lecture-manager'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/csnewman/lecture-manager" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/csnewman/lecture-manager"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/csnewman/lecture-manager'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8512c0e60b7e86ae5749b196397cfc12a08ecafb
[INFO] sha for GitHub repo csnewman/lecture-manager: 8512c0e60b7e86ae5749b196397cfc12a08ecafb
[INFO] validating manifest of csnewman/lecture-manager on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of csnewman/lecture-manager on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing csnewman/lecture-manager
[INFO] finished frobbing csnewman/lecture-manager
[INFO] frobbed toml for csnewman/lecture-manager written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/csnewman/lecture-manager/Cargo.toml
[INFO] started frobbing csnewman/lecture-manager
[INFO] finished frobbing csnewman/lecture-manager
[INFO] frobbed toml for csnewman/lecture-manager written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/csnewman/lecture-manager/Cargo.toml
[INFO] crate csnewman/lecture-manager already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking csnewman/lecture-manager against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-1/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/csnewman/lecture-manager:/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" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 297c11e98fa82081fdce30ba1a90aa14cd3c7f5756669e1a4463c6c975ca2406
[INFO] running `"docker" "start" "-a" "297c11e98fa82081fdce30ba1a90aa14cd3c7f5756669e1a4463c6c975ca2406"`
[INFO] [stderr]     Checking lecture-manager v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "297c11e98fa82081fdce30ba1a90aa14cd3c7f5756669e1a4463c6c975ca2406"`
[INFO] running `"docker" "rm" "-f" "297c11e98fa82081fdce30ba1a90aa14cd3c7f5756669e1a4463c6c975ca2406"`
[INFO] [stdout] 297c11e98fa82081fdce30ba1a90aa14cd3c7f5756669e1a4463c6c975ca2406