[INFO] cloning repository https://github.com/arjunepr/a-simple-rust-exercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arjunepr/a-simple-rust-exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farjunepr%2Fa-simple-rust-exercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farjunepr%2Fa-simple-rust-exercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55cead71a0bf1c015c0e2e514ca9a68ee4ab7a2a
[INFO] testing arjunepr/a-simple-rust-exercise against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farjunepr%2Fa-simple-rust-exercise" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arjunepr/a-simple-rust-exercise on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arjunepr/a-simple-rust-exercise
[INFO] finished tweaking git repo https://github.com/arjunepr/a-simple-rust-exercise
[INFO] tweaked toml for git repo https://github.com/arjunepr/a-simple-rust-exercise written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/arjunepr/a-simple-rust-exercise already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded text_io v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] be34e0c1cf2b9041a98f10aa25f9b36c017c41467a894a6b2c91b65999024c30
[INFO] running `Command { std: "docker" "start" "-a" "be34e0c1cf2b9041a98f10aa25f9b36c017c41467a894a6b2c91b65999024c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be34e0c1cf2b9041a98f10aa25f9b36c017c41467a894a6b2c91b65999024c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be34e0c1cf2b9041a98f10aa25f9b36c017c41467a894a6b2c91b65999024c30", kill_on_drop: false }`
[INFO] [stdout] be34e0c1cf2b9041a98f10aa25f9b36c017c41467a894a6b2c91b65999024c30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db82c1ae617c8bc46144a7eda0affa7725554909bf7aa6cdf940e91bd6992581
[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" "db82c1ae617c8bc46144a7eda0affa7725554909bf7aa6cdf940e91bd6992581", kill_on_drop: false }`
[INFO] [stderr]    Compiling text_io v0.1.7
[INFO] [stderr]    Compiling simple_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "db82c1ae617c8bc46144a7eda0affa7725554909bf7aa6cdf940e91bd6992581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db82c1ae617c8bc46144a7eda0affa7725554909bf7aa6cdf940e91bd6992581", kill_on_drop: false }`
[INFO] [stdout] db82c1ae617c8bc46144a7eda0affa7725554909bf7aa6cdf940e91bd6992581
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", 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] 1e9e41d9658a5c24c2fca58ea29c43455febcbd29e5740c90f1eb5db8c33914d
[INFO] running `Command { std: "docker" "start" "-a" "1e9e41d9658a5c24c2fca58ea29c43455febcbd29e5740c90f1eb5db8c33914d", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple_project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "1e9e41d9658a5c24c2fca58ea29c43455febcbd29e5740c90f1eb5db8c33914d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e9e41d9658a5c24c2fca58ea29c43455febcbd29e5740c90f1eb5db8c33914d", kill_on_drop: false }`
[INFO] [stdout] 1e9e41d9658a5c24c2fca58ea29c43455febcbd29e5740c90f1eb5db8c33914d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] 1598bd472c5275b70472aebab2056a3095aa8a09c1672e5eb4a81a0d0dfd9256
[INFO] running `Command { std: "docker" "start" "-a" "1598bd472c5275b70472aebab2056a3095aa8a09c1672e5eb4a81a0d0dfd9256", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple_project-21f833d2bee52081
[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" "1598bd472c5275b70472aebab2056a3095aa8a09c1672e5eb4a81a0d0dfd9256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1598bd472c5275b70472aebab2056a3095aa8a09c1672e5eb4a81a0d0dfd9256", kill_on_drop: false }`
[INFO] [stdout] 1598bd472c5275b70472aebab2056a3095aa8a09c1672e5eb4a81a0d0dfd9256