[INFO] updating cached repository https://github.com/PragTob/rust_playground
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] af88234da82c1cff7bf025abcae033927707078e
[INFO] testing PragTob/rust_playground against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FPragTob%2Frust_playground" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PragTob/rust_playground on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/PragTob/rust_playground
[INFO] finished tweaking git repo https://github.com/PragTob/rust_playground
[INFO] tweaked toml for git repo https://github.com/PragTob/rust_playground written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/PragTob/rust_playground already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] d3fc77d346fbe689f2e68137f184ff8de1996fe783fbda03e7a40b11ed919039
[INFO] running `"docker" "start" "-a" "d3fc77d346fbe689f2e68137f184ff8de1996fe783fbda03e7a40b11ed919039"`
[INFO] [stderr]    Compiling rust_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `"docker" "inspect" "d3fc77d346fbe689f2e68137f184ff8de1996fe783fbda03e7a40b11ed919039"`
[INFO] running `"docker" "rm" "-f" "d3fc77d346fbe689f2e68137f184ff8de1996fe783fbda03e7a40b11ed919039"`
[INFO] [stdout] d3fc77d346fbe689f2e68137f184ff8de1996fe783fbda03e7a40b11ed919039
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 805e179b4d200b39d195ed9c0a5ff77721eb6416a5935a23a63fa8885013c17e
[INFO] running `"docker" "start" "-a" "805e179b4d200b39d195ed9c0a5ff77721eb6416a5935a23a63fa8885013c17e"`
[INFO] [stderr]    Compiling rust_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "805e179b4d200b39d195ed9c0a5ff77721eb6416a5935a23a63fa8885013c17e"`
[INFO] running `"docker" "rm" "-f" "805e179b4d200b39d195ed9c0a5ff77721eb6416a5935a23a63fa8885013c17e"`
[INFO] [stdout] 805e179b4d200b39d195ed9c0a5ff77721eb6416a5935a23a63fa8885013c17e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 2ce9299736b7fd754a2eb0b74aed9cbd885a9b9e422f255de28e8e73f70edf9a
[INFO] running `"docker" "start" "-a" "2ce9299736b7fd754a2eb0b74aed9cbd885a9b9e422f255de28e8e73f70edf9a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_playground-4da071c5c8f14497
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::summing_up ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2ce9299736b7fd754a2eb0b74aed9cbd885a9b9e422f255de28e8e73f70edf9a"`
[INFO] running `"docker" "rm" "-f" "2ce9299736b7fd754a2eb0b74aed9cbd885a9b9e422f255de28e8e73f70edf9a"`
[INFO] [stdout] 2ce9299736b7fd754a2eb0b74aed9cbd885a9b9e422f255de28e8e73f70edf9a