[INFO] updating cached repository dandro/rust-playground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dandro/rust-playground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dandro/rust-playground" "work/ex/beta-1.38-1/sources/1.37.0/gh/dandro/rust-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dandro/rust-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dandro/rust-playground" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dandro/rust-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dandro/rust-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7add5f89ada861e2b5efecc43861e03fd189d999
[INFO] sha for GitHub repo dandro/rust-playground: 7add5f89ada861e2b5efecc43861e03fd189d999
[INFO] validating manifest of dandro/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 dandro/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 dandro/rust-playground
[INFO] finished frobbing dandro/rust-playground
[INFO] frobbed toml for dandro/rust-playground written to work/ex/beta-1.38-1/sources/1.37.0/gh/dandro/rust-playground/Cargo.toml
[INFO] started frobbing dandro/rust-playground
[INFO] finished frobbing dandro/rust-playground
[INFO] frobbed toml for dandro/rust-playground written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dandro/rust-playground/Cargo.toml
[INFO] crate dandro/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 dandro/rust-playground 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-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dandro/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] f74c531995566e4c1bd8eadc915d22f73529a0ec0e927a611989ceeeae2bf9c7
[INFO] running `"docker" "start" "-a" "f74c531995566e4c1bd8eadc915d22f73529a0ec0e927a611989ceeeae2bf9c7"`
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "f74c531995566e4c1bd8eadc915d22f73529a0ec0e927a611989ceeeae2bf9c7"`
[INFO] running `"docker" "rm" "-f" "f74c531995566e4c1bd8eadc915d22f73529a0ec0e927a611989ceeeae2bf9c7"`
[INFO] [stdout] f74c531995566e4c1bd8eadc915d22f73529a0ec0e927a611989ceeeae2bf9c7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dandro/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6dfa01c97def35f5a9b1e615755d90c4a4ee591c893aa0f5e7fbb3ecf5d2d28f
[INFO] running `"docker" "start" "-a" "6dfa01c97def35f5a9b1e615755d90c4a4ee591c893aa0f5e7fbb3ecf5d2d28f"`
[INFO] [stderr]    Compiling playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "6dfa01c97def35f5a9b1e615755d90c4a4ee591c893aa0f5e7fbb3ecf5d2d28f"`
[INFO] running `"docker" "rm" "-f" "6dfa01c97def35f5a9b1e615755d90c4a4ee591c893aa0f5e7fbb3ecf5d2d28f"`
[INFO] [stdout] 6dfa01c97def35f5a9b1e615755d90c4a4ee591c893aa0f5e7fbb3ecf5d2d28f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dandro/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 0828f797050099e0916550e984230d71770ac7c97eaa7b87b901124c83f1ad6e
[INFO] running `"docker" "start" "-a" "0828f797050099e0916550e984230d71770ac7c97eaa7b87b901124c83f1ad6e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/playground-ae338ef3eaef561d
[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" "0828f797050099e0916550e984230d71770ac7c97eaa7b87b901124c83f1ad6e"`
[INFO] running `"docker" "rm" "-f" "0828f797050099e0916550e984230d71770ac7c97eaa7b87b901124c83f1ad6e"`
[INFO] [stdout] 0828f797050099e0916550e984230d71770ac7c97eaa7b87b901124c83f1ad6e