[INFO] updating cached repository Ekri/Rusty_playground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Ekri/Rusty_playground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Ekri/Rusty_playground" "work/ex/beta-1.37-6/sources/1.36.0/gh/Ekri/Rusty_playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/Ekri/Rusty_playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Ekri/Rusty_playground" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Ekri/Rusty_playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Ekri/Rusty_playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 36f672d269a28dd60fba3cb943ef08702f6a13e6
[INFO] sha for GitHub repo Ekri/Rusty_playground: 36f672d269a28dd60fba3cb943ef08702f6a13e6
[INFO] validating manifest of Ekri/Rusty_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 Ekri/Rusty_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 Ekri/Rusty_playground
[INFO] finished frobbing Ekri/Rusty_playground
[INFO] frobbed toml for Ekri/Rusty_playground written to work/ex/beta-1.37-6/sources/1.36.0/gh/Ekri/Rusty_playground/Cargo.toml
[INFO] started frobbing Ekri/Rusty_playground
[INFO] finished frobbing Ekri/Rusty_playground
[INFO] frobbed toml for Ekri/Rusty_playground written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/Ekri/Rusty_playground/Cargo.toml
[INFO] crate Ekri/Rusty_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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Ekri/Rusty_playground against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Ekri/Rusty_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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 7e2d42f03abdf4098e294828091e9bc01d5043bc20b2067df18c68aa8279ba55
[INFO] running `"docker" "start" "-a" "7e2d42f03abdf4098e294828091e9bc01d5043bc20b2067df18c68aa8279ba55"`
[INFO] [stderr]    Compiling rusty v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "7e2d42f03abdf4098e294828091e9bc01d5043bc20b2067df18c68aa8279ba55"`
[INFO] running `"docker" "rm" "-f" "7e2d42f03abdf4098e294828091e9bc01d5043bc20b2067df18c68aa8279ba55"`
[INFO] [stdout] 7e2d42f03abdf4098e294828091e9bc01d5043bc20b2067df18c68aa8279ba55
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Ekri/Rusty_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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 867ef597b368bbf6d8a7a952d485d36d7602d3b5db1877f3563f013503cdf18a
[INFO] running `"docker" "start" "-a" "867ef597b368bbf6d8a7a952d485d36d7602d3b5db1877f3563f013503cdf18a"`
[INFO] [stderr]    Compiling rusty v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "867ef597b368bbf6d8a7a952d485d36d7602d3b5db1877f3563f013503cdf18a"`
[INFO] running `"docker" "rm" "-f" "867ef597b368bbf6d8a7a952d485d36d7602d3b5db1877f3563f013503cdf18a"`
[INFO] [stdout] 867ef597b368bbf6d8a7a952d485d36d7602d3b5db1877f3563f013503cdf18a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/Ekri/Rusty_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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] ffc395e28f3cfd3e6976f1fe613e63571da7b44a58e476b11690987757b1ecd8
[INFO] running `"docker" "start" "-a" "ffc395e28f3cfd3e6976f1fe613e63571da7b44a58e476b11690987757b1ecd8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rusty-f1f555ac5e40187f
[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" "ffc395e28f3cfd3e6976f1fe613e63571da7b44a58e476b11690987757b1ecd8"`
[INFO] running `"docker" "rm" "-f" "ffc395e28f3cfd3e6976f1fe613e63571da7b44a58e476b11690987757b1ecd8"`
[INFO] [stdout] ffc395e28f3cfd3e6976f1fe613e63571da7b44a58e476b11690987757b1ecd8