[INFO] updating cached repository inta/rust-playground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/inta/rust-playground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/inta/rust-playground" "work/ex/beta-1.38-1/sources/1.37.0/gh/inta/rust-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/inta/rust-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/inta/rust-playground" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/inta/rust-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/inta/rust-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2c951fc267c5ad5607ee0eece68c09706df39cd0
[INFO] sha for GitHub repo inta/rust-playground: 2c951fc267c5ad5607ee0eece68c09706df39cd0
[INFO] validating manifest of inta/rust-playground 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 inta/rust-playground 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 inta/rust-playground
[INFO] finished frobbing inta/rust-playground
[INFO] frobbed toml for inta/rust-playground written to work/ex/beta-1.38-1/sources/1.37.0/gh/inta/rust-playground/Cargo.toml
[INFO] started frobbing inta/rust-playground
[INFO] finished frobbing inta/rust-playground
[INFO] frobbed toml for inta/rust-playground written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/inta/rust-playground/Cargo.toml
[INFO] crate inta/rust-playground 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 inta/rust-playground against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/inta/rust-playground:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 63bec6749c6925d45e055a822d110c03d04ccb86b4fe95b5fa96d3153bf1a929
[INFO] running `"docker" "start" "-a" "63bec6749c6925d45e055a822d110c03d04ccb86b4fe95b5fa96d3153bf1a929"`
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `"docker" "inspect" "63bec6749c6925d45e055a822d110c03d04ccb86b4fe95b5fa96d3153bf1a929"`
[INFO] running `"docker" "rm" "-f" "63bec6749c6925d45e055a822d110c03d04ccb86b4fe95b5fa96d3153bf1a929"`
[INFO] [stdout] 63bec6749c6925d45e055a822d110c03d04ccb86b4fe95b5fa96d3153bf1a929
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/inta/rust-playground:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2a9b4dc2ea5319c0b2ccf9a273c4ed219ba64b4e2da2e3f2066dd68b0f461e35
[INFO] running `"docker" "start" "-a" "2a9b4dc2ea5319c0b2ccf9a273c4ed219ba64b4e2da2e3f2066dd68b0f461e35"`
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "2a9b4dc2ea5319c0b2ccf9a273c4ed219ba64b4e2da2e3f2066dd68b0f461e35"`
[INFO] running `"docker" "rm" "-f" "2a9b4dc2ea5319c0b2ccf9a273c4ed219ba64b4e2da2e3f2066dd68b0f461e35"`
[INFO] [stdout] 2a9b4dc2ea5319c0b2ccf9a273c4ed219ba64b4e2da2e3f2066dd68b0f461e35
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/inta/rust-playground:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] c2e16685a78813a0a7394efa81426e7154266b9fb0b6c9e61a334bfea6d54b42
[INFO] running `"docker" "start" "-a" "c2e16685a78813a0a7394efa81426e7154266b9fb0b6c9e61a334bfea6d54b42"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/playground-b49a6a0fe1179439
[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" "c2e16685a78813a0a7394efa81426e7154266b9fb0b6c9e61a334bfea6d54b42"`
[INFO] running `"docker" "rm" "-f" "c2e16685a78813a0a7394efa81426e7154266b9fb0b6c9e61a334bfea6d54b42"`
[INFO] [stdout] c2e16685a78813a0a7394efa81426e7154266b9fb0b6c9e61a334bfea6d54b42