[INFO] updating cached repository arthurmilliken/rustlab
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/arthurmilliken/rustlab
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/arthurmilliken/rustlab" "work/ex/beta-1.38-1/sources/1.37.0/gh/arthurmilliken/rustlab"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/arthurmilliken/rustlab'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/arthurmilliken/rustlab" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/arthurmilliken/rustlab"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/arthurmilliken/rustlab'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f57ce7f994186eef9f331f15d276c205842254da
[INFO] sha for GitHub repo arthurmilliken/rustlab: f57ce7f994186eef9f331f15d276c205842254da
[INFO] validating manifest of arthurmilliken/rustlab on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of arthurmilliken/rustlab on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing arthurmilliken/rustlab
[INFO] finished frobbing arthurmilliken/rustlab
[INFO] frobbed toml for arthurmilliken/rustlab written to work/ex/beta-1.38-1/sources/1.37.0/gh/arthurmilliken/rustlab/Cargo.toml
[INFO] started frobbing arthurmilliken/rustlab
[INFO] finished frobbing arthurmilliken/rustlab
[INFO] frobbed toml for arthurmilliken/rustlab written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/arthurmilliken/rustlab/Cargo.toml
[INFO] crate arthurmilliken/rustlab already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing arthurmilliken/rustlab against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/arthurmilliken/rustlab:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 1bac497f709f0d18db90fcb00dea5ce6d0006fe2b8a459dc3a2d99645c608f58
[INFO] running `"docker" "start" "-a" "1bac497f709f0d18db90fcb00dea5ce6d0006fe2b8a459dc3a2d99645c608f58"`
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling sqlite3-src v0.2.9
[INFO] [stderr]    Compiling csv-core v0.1.3
[INFO] [stderr]    Compiling sqlite3-sys v0.12.0
[INFO] [stderr]    Compiling csv v1.0.0-beta.5
[INFO] [stderr]    Compiling sqlite v0.23.9
[INFO] [stderr]    Compiling rustlab v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.50s
[INFO] running `"docker" "inspect" "1bac497f709f0d18db90fcb00dea5ce6d0006fe2b8a459dc3a2d99645c608f58"`
[INFO] running `"docker" "rm" "-f" "1bac497f709f0d18db90fcb00dea5ce6d0006fe2b8a459dc3a2d99645c608f58"`
[INFO] [stdout] 1bac497f709f0d18db90fcb00dea5ce6d0006fe2b8a459dc3a2d99645c608f58
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/arthurmilliken/rustlab:/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 67c73f775d5cbf90d9be0f2b789ba12bc4bab9e9d14ef968770853cc94ef6b87
[INFO] running `"docker" "start" "-a" "67c73f775d5cbf90d9be0f2b789ba12bc4bab9e9d14ef968770853cc94ef6b87"`
[INFO] [stderr]    Compiling rustlab v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `"docker" "inspect" "67c73f775d5cbf90d9be0f2b789ba12bc4bab9e9d14ef968770853cc94ef6b87"`
[INFO] running `"docker" "rm" "-f" "67c73f775d5cbf90d9be0f2b789ba12bc4bab9e9d14ef968770853cc94ef6b87"`
[INFO] [stdout] 67c73f775d5cbf90d9be0f2b789ba12bc4bab9e9d14ef968770853cc94ef6b87
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/arthurmilliken/rustlab:/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=warn" "-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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] f5fd4e9582a1fe782c20810249cafa41d4dcc81aa6b1f812b5caad14675193f1
[INFO] running `"docker" "start" "-a" "f5fd4e9582a1fe782c20810249cafa41d4dcc81aa6b1f812b5caad14675193f1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustlab-5c130accf4d08818
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f5fd4e9582a1fe782c20810249cafa41d4dcc81aa6b1f812b5caad14675193f1"`
[INFO] running `"docker" "rm" "-f" "f5fd4e9582a1fe782c20810249cafa41d4dcc81aa6b1f812b5caad14675193f1"`
[INFO] [stdout] f5fd4e9582a1fe782c20810249cafa41d4dcc81aa6b1f812b5caad14675193f1