[INFO] cloning repository https://github.com/thbar/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thbar/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthbar%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthbar%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b60e0f8f96190abd4e82cf0816910519a8b2f5bc
[INFO] testing thbar/rust-playground against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthbar%2Frust-playground" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thbar/rust-playground on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thbar/rust-playground
[INFO] finished tweaking git repo https://github.com/thbar/rust-playground
[INFO] tweaked toml for git repo https://github.com/thbar/rust-playground written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/thbar/rust-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1f38ae4fb7c82e5418a910f0b55612ae68fb5271b2f6d83cc4329d606db3ac36
[INFO] running `Command { std: "docker" "start" "-a" "1f38ae4fb7c82e5418a910f0b55612ae68fb5271b2f6d83cc4329d606db3ac36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f38ae4fb7c82e5418a910f0b55612ae68fb5271b2f6d83cc4329d606db3ac36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f38ae4fb7c82e5418a910f0b55612ae68fb5271b2f6d83cc4329d606db3ac36", kill_on_drop: false }`
[INFO] [stdout] 1f38ae4fb7c82e5418a910f0b55612ae68fb5271b2f6d83cc4329d606db3ac36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf8fe8efb374cef51573624a5a15b8bea71b6f5333e7868d9b69691f9bdcdb63
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "bf8fe8efb374cef51573624a5a15b8bea71b6f5333e7868d9b69691f9bdcdb63", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "bf8fe8efb374cef51573624a5a15b8bea71b6f5333e7868d9b69691f9bdcdb63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf8fe8efb374cef51573624a5a15b8bea71b6f5333e7868d9b69691f9bdcdb63", kill_on_drop: false }`
[INFO] [stdout] bf8fe8efb374cef51573624a5a15b8bea71b6f5333e7868d9b69691f9bdcdb63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 608b3c43bae6d980cd83f9ca5466ede3a4578ab8f765b54c3206a8f967faa71f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "608b3c43bae6d980cd83f9ca5466ede3a4578ab8f765b54c3206a8f967faa71f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "608b3c43bae6d980cd83f9ca5466ede3a4578ab8f765b54c3206a8f967faa71f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "608b3c43bae6d980cd83f9ca5466ede3a4578ab8f765b54c3206a8f967faa71f", kill_on_drop: false }`
[INFO] [stdout] 608b3c43bae6d980cd83f9ca5466ede3a4578ab8f765b54c3206a8f967faa71f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2464bbc0de0e79eba9ff0c3eb408d1657fe5a19a671563e3163b5b512bfecb5b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2464bbc0de0e79eba9ff0c3eb408d1657fe5a19a671563e3163b5b512bfecb5b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_playground-9704f0f2179479ab)
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test half_hour::half_hour::assignments ... ok
[INFO] [stdout] test half_hour::half_hour::control ... ok
[INFO] [stdout] test tests::formatted_print ... ok
[INFO] [stdout] test tests::formatter_print_for_struct ... ok
[INFO] [stdout] test tests::primitives ... ok
[INFO] [stdout] test tests::printing_struct ... ok
[INFO] [stdout] test tests::matrix_transpose ... ok
[INFO] [stdout] test tests::rect_area ... ok
[INFO] [stdout] test tests::square ... ok
[INFO] [stdout] test tests::check_struct ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gcd-4501aa995eb05a6e)
[INFO] [stdout] test half_hour::half_hour::blocks ... ok
[INFO] [stdout] test half_hour::half_hour::tuples ... ok
[INFO] [stdout] test half_hour::half_hour::calls ... ok
[INFO] [stdout] test half_hour::half_hour::vec ... ok
[INFO] [stdout] test tests::array ... ok
[INFO] [stdout] test half_hour::half_hour::structs ... ok
[INFO] [stdout] test tests::tuple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust-playground
[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; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2464bbc0de0e79eba9ff0c3eb408d1657fe5a19a671563e3163b5b512bfecb5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2464bbc0de0e79eba9ff0c3eb408d1657fe5a19a671563e3163b5b512bfecb5b", kill_on_drop: false }`
[INFO] [stdout] 2464bbc0de0e79eba9ff0c3eb408d1657fe5a19a671563e3163b5b512bfecb5b