[INFO] updating cached repository odandia/rust-playground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/odandia/rust-playground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/odandia/rust-playground" "work/ex/beta-1.37-6/sources/1.36.0/gh/odandia/rust-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/odandia/rust-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/odandia/rust-playground" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/odandia/rust-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/odandia/rust-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 078b193a75b00126dc9df4776e236d10b73633ed
[INFO] sha for GitHub repo odandia/rust-playground: 078b193a75b00126dc9df4776e236d10b73633ed
[INFO] validating manifest of odandia/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 odandia/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 odandia/rust-playground
[INFO] finished frobbing odandia/rust-playground
[INFO] frobbed toml for odandia/rust-playground written to work/ex/beta-1.37-6/sources/1.36.0/gh/odandia/rust-playground/Cargo.toml
[INFO] started frobbing odandia/rust-playground
[INFO] finished frobbing odandia/rust-playground
[INFO] frobbed toml for odandia/rust-playground written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/odandia/rust-playground/Cargo.toml
[INFO] crate odandia/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 odandia/rust-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-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/odandia/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 1534f2571c8e0395b6261b7ca4a12996117f8383cf3204de0994b6bd2ac5717d
[INFO] running `"docker" "start" "-a" "1534f2571c8e0395b6261b7ca4a12996117f8383cf3204de0994b6bd2ac5717d"`
[INFO] [stderr]    Compiling str_reverse v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `"docker" "inspect" "1534f2571c8e0395b6261b7ca4a12996117f8383cf3204de0994b6bd2ac5717d"`
[INFO] running `"docker" "rm" "-f" "1534f2571c8e0395b6261b7ca4a12996117f8383cf3204de0994b6bd2ac5717d"`
[INFO] [stdout] 1534f2571c8e0395b6261b7ca4a12996117f8383cf3204de0994b6bd2ac5717d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/odandia/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 244e624dc6c9b03a000542ad2d17680149d868a099cfb3173482a726dd0c80ea
[INFO] running `"docker" "start" "-a" "244e624dc6c9b03a000542ad2d17680149d868a099cfb3173482a726dd0c80ea"`
[INFO] [stderr]    Compiling str_reverse v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `"docker" "inspect" "244e624dc6c9b03a000542ad2d17680149d868a099cfb3173482a726dd0c80ea"`
[INFO] running `"docker" "rm" "-f" "244e624dc6c9b03a000542ad2d17680149d868a099cfb3173482a726dd0c80ea"`
[INFO] [stdout] 244e624dc6c9b03a000542ad2d17680149d868a099cfb3173482a726dd0c80ea
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/odandia/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 554a5522c95e6589bd2e45d1bfce8d621a991dbb7ac58292f9e5ace60c88b524
[INFO] running `"docker" "start" "-a" "554a5522c95e6589bd2e45d1bfce8d621a991dbb7ac58292f9e5ace60c88b524"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/str_reverse-33a7b84dfb598fd4
[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" "554a5522c95e6589bd2e45d1bfce8d621a991dbb7ac58292f9e5ace60c88b524"`
[INFO] running `"docker" "rm" "-f" "554a5522c95e6589bd2e45d1bfce8d621a991dbb7ac58292f9e5ace60c88b524"`
[INFO] [stdout] 554a5522c95e6589bd2e45d1bfce8d621a991dbb7ac58292f9e5ace60c88b524