[INFO] cloning repository https://github.com/rchaser53/python-rust-test-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rchaser53/python-rust-test-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Fpython-rust-test-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frchaser53%2Fpython-rust-test-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 360cc1c848c5ba7855b5c0ddcc05b58b3c0b7c3c
[INFO] testing rchaser53/python-rust-test-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%2Frchaser53%2Fpython-rust-test-playground" "/workspace/builds/worker-39/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-39/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rchaser53/python-rust-test-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/rchaser53/python-rust-test-playground
[INFO] finished tweaking git repo https://github.com/rchaser53/python-rust-test-playground
[INFO] tweaked toml for git repo https://github.com/rchaser53/python-rust-test-playground written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate git repo https://github.com/rchaser53/python-rust-test-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-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] c98561d0f2c90895d5e5876e822d111a2c3a00d6362a7fc1662abb26ef99d834
[INFO] running `Command { std: "docker" "start" "-a" "c98561d0f2c90895d5e5876e822d111a2c3a00d6362a7fc1662abb26ef99d834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c98561d0f2c90895d5e5876e822d111a2c3a00d6362a7fc1662abb26ef99d834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c98561d0f2c90895d5e5876e822d111a2c3a00d6362a7fc1662abb26ef99d834", kill_on_drop: false }`
[INFO] [stdout] c98561d0f2c90895d5e5876e822d111a2c3a00d6362a7fc1662abb26ef99d834
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] fcb8c74606d944aad02549c70ea3c0d7f976c0db4f70d7851cf595fe162446c4
[INFO] running `Command { std: "docker" "start" "-a" "fcb8c74606d944aad02549c70ea3c0d7f976c0db4f70d7851cf595fe162446c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling python-rust-test-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "fcb8c74606d944aad02549c70ea3c0d7f976c0db4f70d7851cf595fe162446c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcb8c74606d944aad02549c70ea3c0d7f976c0db4f70d7851cf595fe162446c4", kill_on_drop: false }`
[INFO] [stdout] fcb8c74606d944aad02549c70ea3c0d7f976c0db4f70d7851cf595fe162446c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] d3745e84f1d0fe72ab5cc9eb85651e9c0d178e6fad002b08f3ad3a85f40f541a
[INFO] running `Command { std: "docker" "start" "-a" "d3745e84f1d0fe72ab5cc9eb85651e9c0d178e6fad002b08f3ad3a85f40f541a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling python-rust-test-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.52s
[INFO] running `Command { std: "docker" "inspect" "d3745e84f1d0fe72ab5cc9eb85651e9c0d178e6fad002b08f3ad3a85f40f541a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3745e84f1d0fe72ab5cc9eb85651e9c0d178e6fad002b08f3ad3a85f40f541a", kill_on_drop: false }`
[INFO] [stdout] d3745e84f1d0fe72ab5cc9eb85651e9c0d178e6fad002b08f3ad3a85f40f541a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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] 729354f224e30bc183276863c2ac0eab1d1507f4e3e519d2d4481adf52811b4e
[INFO] running `Command { std: "docker" "start" "-a" "729354f224e30bc183276863c2ac0eab1d1507f4e3e519d2d4481adf52811b4e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/python_rust_test_playground-39086f4a086a7cb8)
[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" "729354f224e30bc183276863c2ac0eab1d1507f4e3e519d2d4481adf52811b4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "729354f224e30bc183276863c2ac0eab1d1507f4e3e519d2d4481adf52811b4e", kill_on_drop: false }`
[INFO] [stdout] 729354f224e30bc183276863c2ac0eab1d1507f4e3e519d2d4481adf52811b4e