[INFO] updating cached repository PistonDevelopers/inventory
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/PistonDevelopers/inventory
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/PistonDevelopers/inventory" "work/ex/beta-1.38-1/sources/1.37.0/gh/PistonDevelopers/inventory"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/PistonDevelopers/inventory'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/PistonDevelopers/inventory" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PistonDevelopers/inventory"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PistonDevelopers/inventory'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 13a882234a8e70104d8e5fe63f8dc20ccbac805e
[INFO] sha for GitHub repo PistonDevelopers/inventory: 13a882234a8e70104d8e5fe63f8dc20ccbac805e
[INFO] validating manifest of PistonDevelopers/inventory 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 PistonDevelopers/inventory 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 PistonDevelopers/inventory
[INFO] finished frobbing PistonDevelopers/inventory
[INFO] frobbed toml for PistonDevelopers/inventory written to work/ex/beta-1.38-1/sources/1.37.0/gh/PistonDevelopers/inventory/Cargo.toml
[INFO] started frobbing PistonDevelopers/inventory
[INFO] finished frobbing PistonDevelopers/inventory
[INFO] frobbed toml for PistonDevelopers/inventory written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/PistonDevelopers/inventory/Cargo.toml
[INFO] crate PistonDevelopers/inventory 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing PistonDevelopers/inventory 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/PistonDevelopers/inventory:/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] 95cfee2675e183fd398c76028e37a1e8925260491ecdea8f84470d6311388968
[INFO] running `"docker" "start" "-a" "95cfee2675e183fd398c76028e37a1e8925260491ecdea8f84470d6311388968"`
[INFO] [stderr]    Compiling inventory v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "95cfee2675e183fd398c76028e37a1e8925260491ecdea8f84470d6311388968"`
[INFO] running `"docker" "rm" "-f" "95cfee2675e183fd398c76028e37a1e8925260491ecdea8f84470d6311388968"`
[INFO] [stdout] 95cfee2675e183fd398c76028e37a1e8925260491ecdea8f84470d6311388968
[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/PistonDevelopers/inventory:/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] f8ef39f111f4b2bd4b406a59c29caf3935d454a76ed1e7ec412111e18dbf509a
[INFO] running `"docker" "start" "-a" "f8ef39f111f4b2bd4b406a59c29caf3935d454a76ed1e7ec412111e18dbf509a"`
[INFO] [stderr]    Compiling inventory v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "f8ef39f111f4b2bd4b406a59c29caf3935d454a76ed1e7ec412111e18dbf509a"`
[INFO] running `"docker" "rm" "-f" "f8ef39f111f4b2bd4b406a59c29caf3935d454a76ed1e7ec412111e18dbf509a"`
[INFO] [stdout] f8ef39f111f4b2bd4b406a59c29caf3935d454a76ed1e7ec412111e18dbf509a
[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/PistonDevelopers/inventory:/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] a6684f8e4fba90e6f53a49141721cc3fcdb8dbd0fe1013f5e20c1fd08e036711
[INFO] running `"docker" "start" "-a" "a6684f8e4fba90e6f53a49141721cc3fcdb8dbd0fe1013f5e20c1fd08e036711"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/inventory-f99af273b59ee2ee
[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" "a6684f8e4fba90e6f53a49141721cc3fcdb8dbd0fe1013f5e20c1fd08e036711"`
[INFO] running `"docker" "rm" "-f" "a6684f8e4fba90e6f53a49141721cc3fcdb8dbd0fe1013f5e20c1fd08e036711"`
[INFO] [stdout] a6684f8e4fba90e6f53a49141721cc3fcdb8dbd0fe1013f5e20c1fd08e036711