[INFO] cloning repository https://github.com/En3Tho/RustPlayground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/En3Tho/RustPlayground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEn3Tho%2FRustPlayground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEn3Tho%2FRustPlayground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3b91cc744324054c9cc7c9f0e1911a127b163de
[INFO] testing En3Tho/RustPlayground 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%2FEn3Tho%2FRustPlayground" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/En3Tho/RustPlayground 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/En3Tho/RustPlayground
[INFO] finished tweaking git repo https://github.com/En3Tho/RustPlayground
[INFO] tweaked toml for git repo https://github.com/En3Tho/RustPlayground written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/En3Tho/RustPlayground 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] e24babe34fc1258fb973916f7a363e47ad42c5e19d82be25fa48ccb73a777449
[INFO] running `Command { std: "docker" "start" "-a" "e24babe34fc1258fb973916f7a363e47ad42c5e19d82be25fa48ccb73a777449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e24babe34fc1258fb973916f7a363e47ad42c5e19d82be25fa48ccb73a777449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e24babe34fc1258fb973916f7a363e47ad42c5e19d82be25fa48ccb73a777449", kill_on_drop: false }`
[INFO] [stdout] e24babe34fc1258fb973916f7a363e47ad42c5e19d82be25fa48ccb73a777449
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 9dee20146b31354693e41c218b71e5e7453393f6bec5ffc39d54a78b488e76aa
[INFO] running `Command { std: "docker" "start" "-a" "9dee20146b31354693e41c218b71e5e7453393f6bec5ffc39d54a78b488e76aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "9dee20146b31354693e41c218b71e5e7453393f6bec5ffc39d54a78b488e76aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dee20146b31354693e41c218b71e5e7453393f6bec5ffc39d54a78b488e76aa", kill_on_drop: false }`
[INFO] [stdout] 9dee20146b31354693e41c218b71e5e7453393f6bec5ffc39d54a78b488e76aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 6f71e69e4a3c0c498255e26ea89919e9e307e3c7428569eb8901c7aa591b1b76
[INFO] running `Command { std: "docker" "start" "-a" "6f71e69e4a3c0c498255e26ea89919e9e307e3c7428569eb8901c7aa591b1b76", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "6f71e69e4a3c0c498255e26ea89919e9e307e3c7428569eb8901c7aa591b1b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f71e69e4a3c0c498255e26ea89919e9e307e3c7428569eb8901c7aa591b1b76", kill_on_drop: false }`
[INFO] [stdout] 6f71e69e4a3c0c498255e26ea89919e9e307e3c7428569eb8901c7aa591b1b76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 28cd7a868bad5a39bb8debfd1e3d91d8396c5bccc31cdd22236ba9e21608d0f6
[INFO] running `Command { std: "docker" "start" "-a" "28cd7a868bad5a39bb8debfd1e3d91d8396c5bccc31cdd22236ba9e21608d0f6", 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-2ed6558d371d5fc6)
[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" "28cd7a868bad5a39bb8debfd1e3d91d8396c5bccc31cdd22236ba9e21608d0f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28cd7a868bad5a39bb8debfd1e3d91d8396c5bccc31cdd22236ba9e21608d0f6", kill_on_drop: false }`
[INFO] [stdout] 28cd7a868bad5a39bb8debfd1e3d91d8396c5bccc31cdd22236ba9e21608d0f6