[INFO] updating cached repository nZac/rust-playground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/nZac/rust-playground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/nZac/rust-playground" "work/ex/beta-1.37-6/sources/1.36.0/gh/nZac/rust-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/nZac/rust-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/nZac/rust-playground" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nZac/rust-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nZac/rust-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8f2b51de47e2453a3996fb0938c603938bada2b1
[INFO] sha for GitHub repo nZac/rust-playground: 8f2b51de47e2453a3996fb0938c603938bada2b1
[INFO] validating manifest of nZac/rust-playground on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nZac/rust-playground on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nZac/rust-playground
[INFO] finished frobbing nZac/rust-playground
[INFO] frobbed toml for nZac/rust-playground written to work/ex/beta-1.37-6/sources/1.36.0/gh/nZac/rust-playground/Cargo.toml
[INFO] started frobbing nZac/rust-playground
[INFO] finished frobbing nZac/rust-playground
[INFO] frobbed toml for nZac/rust-playground written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nZac/rust-playground/Cargo.toml
[INFO] crate nZac/rust-playground already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing nZac/rust-playground against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nZac/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] b600e39f096cade98a4ea8db41ece5095ab10d4e77ee82f96342ce18009e9172
[INFO] running `"docker" "start" "-a" "b600e39f096cade98a4ea8db41ece5095ab10d4e77ee82f96342ce18009e9172"`
[INFO] [stderr]    Compiling rust-playground v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `"docker" "inspect" "b600e39f096cade98a4ea8db41ece5095ab10d4e77ee82f96342ce18009e9172"`
[INFO] running `"docker" "rm" "-f" "b600e39f096cade98a4ea8db41ece5095ab10d4e77ee82f96342ce18009e9172"`
[INFO] [stdout] b600e39f096cade98a4ea8db41ece5095ab10d4e77ee82f96342ce18009e9172
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nZac/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7af3a21a65e1a3b7efaf4f2dfcd6797ba58b46db6c47a6aec958314535497e6e
[INFO] running `"docker" "start" "-a" "7af3a21a65e1a3b7efaf4f2dfcd6797ba58b46db6c47a6aec958314535497e6e"`
[INFO] [stderr]    Compiling rust-playground v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `"docker" "inspect" "7af3a21a65e1a3b7efaf4f2dfcd6797ba58b46db6c47a6aec958314535497e6e"`
[INFO] running `"docker" "rm" "-f" "7af3a21a65e1a3b7efaf4f2dfcd6797ba58b46db6c47a6aec958314535497e6e"`
[INFO] [stdout] 7af3a21a65e1a3b7efaf4f2dfcd6797ba58b46db6c47a6aec958314535497e6e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/nZac/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 7fef3d9af2eb13adefa758a6f01a7511ab0e84519994a16c8fad87f773aa9753
[INFO] running `"docker" "start" "-a" "7fef3d9af2eb13adefa758a6f01a7511ab0e84519994a16c8fad87f773aa9753"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_playground-60015e606b365514
[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" "7fef3d9af2eb13adefa758a6f01a7511ab0e84519994a16c8fad87f773aa9753"`
[INFO] running `"docker" "rm" "-f" "7fef3d9af2eb13adefa758a6f01a7511ab0e84519994a16c8fad87f773aa9753"`
[INFO] [stdout] 7fef3d9af2eb13adefa758a6f01a7511ab0e84519994a16c8fad87f773aa9753