[INFO] updating cached repository it-sumanp/RustPlayground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/it-sumanp/RustPlayground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/it-sumanp/RustPlayground" "work/ex/beta-1.37-6/sources/1.36.0/gh/it-sumanp/RustPlayground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/it-sumanp/RustPlayground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/it-sumanp/RustPlayground" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/it-sumanp/RustPlayground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/it-sumanp/RustPlayground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7e3f2e425de11bb9b48f2a38adfcacbeb2a513cc
[INFO] sha for GitHub repo it-sumanp/RustPlayground: 7e3f2e425de11bb9b48f2a38adfcacbeb2a513cc
[INFO] validating manifest of it-sumanp/RustPlayground 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 it-sumanp/RustPlayground 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 it-sumanp/RustPlayground
[INFO] finished frobbing it-sumanp/RustPlayground
[INFO] frobbed toml for it-sumanp/RustPlayground written to work/ex/beta-1.37-6/sources/1.36.0/gh/it-sumanp/RustPlayground/Cargo.toml
[INFO] started frobbing it-sumanp/RustPlayground
[INFO] finished frobbing it-sumanp/RustPlayground
[INFO] frobbed toml for it-sumanp/RustPlayground written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/it-sumanp/RustPlayground/Cargo.toml
[INFO] crate it-sumanp/RustPlayground 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 it-sumanp/RustPlayground 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/it-sumanp/RustPlayground:/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] f2f240e22f43bc0c87e95c7304f6680250d2b34ca657186a521f1a2c0992499e
[INFO] running `"docker" "start" "-a" "f2f240e22f43bc0c87e95c7304f6680250d2b34ca657186a521f1a2c0992499e"`
[INFO] [stderr]    Compiling hello_world v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `"docker" "inspect" "f2f240e22f43bc0c87e95c7304f6680250d2b34ca657186a521f1a2c0992499e"`
[INFO] running `"docker" "rm" "-f" "f2f240e22f43bc0c87e95c7304f6680250d2b34ca657186a521f1a2c0992499e"`
[INFO] [stdout] f2f240e22f43bc0c87e95c7304f6680250d2b34ca657186a521f1a2c0992499e
[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/it-sumanp/RustPlayground:/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] 46cfaa153b6d03f6c3679a67e46602bb92fce4cdd13099a25ef876b8abd015d8
[INFO] running `"docker" "start" "-a" "46cfaa153b6d03f6c3679a67e46602bb92fce4cdd13099a25ef876b8abd015d8"`
[INFO] [stderr]    Compiling hello_world v0.0.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `"docker" "inspect" "46cfaa153b6d03f6c3679a67e46602bb92fce4cdd13099a25ef876b8abd015d8"`
[INFO] running `"docker" "rm" "-f" "46cfaa153b6d03f6c3679a67e46602bb92fce4cdd13099a25ef876b8abd015d8"`
[INFO] [stdout] 46cfaa153b6d03f6c3679a67e46602bb92fce4cdd13099a25ef876b8abd015d8
[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/it-sumanp/RustPlayground:/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] acbb9cc11638ee8e80973f88eac61dba598c8b19d3141df60f866908ba7b502d
[INFO] running `"docker" "start" "-a" "acbb9cc11638ee8e80973f88eac61dba598c8b19d3141df60f866908ba7b502d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/hello_world-bb329a3a7398744b
[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" "acbb9cc11638ee8e80973f88eac61dba598c8b19d3141df60f866908ba7b502d"`
[INFO] running `"docker" "rm" "-f" "acbb9cc11638ee8e80973f88eac61dba598c8b19d3141df60f866908ba7b502d"`
[INFO] [stdout] acbb9cc11638ee8e80973f88eac61dba598c8b19d3141df60f866908ba7b502d