[INFO] cloning repository https://github.com/maniankara/rustbyexample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maniankara/rustbyexample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaniankara%2Frustbyexample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaniankara%2Frustbyexample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8c9b76ed1f65e7f0543d54c3f48068d8a37ab3a
[INFO] testing maniankara/rustbyexample 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%2Fmaniankara%2Frustbyexample" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maniankara/rustbyexample 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/maniankara/rustbyexample
[INFO] finished tweaking git repo https://github.com/maniankara/rustbyexample
[INFO] tweaked toml for git repo https://github.com/maniankara/rustbyexample written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/maniankara/rustbyexample 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 061e2ddc8c570d26fcfb80250d0ce12ce9c860607c984c683e2c694cae7d89a6
[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" "061e2ddc8c570d26fcfb80250d0ce12ce9c860607c984c683e2c694cae7d89a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "061e2ddc8c570d26fcfb80250d0ce12ce9c860607c984c683e2c694cae7d89a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "061e2ddc8c570d26fcfb80250d0ce12ce9c860607c984c683e2c694cae7d89a6", kill_on_drop: false }`
[INFO] [stdout] 061e2ddc8c570d26fcfb80250d0ce12ce9c860607c984c683e2c694cae7d89a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 879f7dd654a179a5578fafb68d47cf369e1135b87c83631a645b7654f3e92791
[INFO] running `Command { std: "docker" "start" "-a" "879f7dd654a179a5578fafb68d47cf369e1135b87c83631a645b7654f3e92791", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustbyexample v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "879f7dd654a179a5578fafb68d47cf369e1135b87c83631a645b7654f3e92791", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "879f7dd654a179a5578fafb68d47cf369e1135b87c83631a645b7654f3e92791", kill_on_drop: false }`
[INFO] [stdout] 879f7dd654a179a5578fafb68d47cf369e1135b87c83631a645b7654f3e92791
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 3b0e1e666e3eb1d35c839ab6d7fa84b7e2b64a713aaf493c1c6e1201c8c7bf8a
[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" "3b0e1e666e3eb1d35c839ab6d7fa84b7e2b64a713aaf493c1c6e1201c8c7bf8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustbyexample v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "3b0e1e666e3eb1d35c839ab6d7fa84b7e2b64a713aaf493c1c6e1201c8c7bf8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b0e1e666e3eb1d35c839ab6d7fa84b7e2b64a713aaf493c1c6e1201c8c7bf8a", kill_on_drop: false }`
[INFO] [stdout] 3b0e1e666e3eb1d35c839ab6d7fa84b7e2b64a713aaf493c1c6e1201c8c7bf8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] dfb3aab5cb08dc1ca3f8e4b3d5e34c526f753a550c7a01a0135c97d98470f9d1
[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" "dfb3aab5cb08dc1ca3f8e4b3d5e34c526f753a550c7a01a0135c97d98470f9d1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustbyexample-fe92a9370b51c8b9
[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" "dfb3aab5cb08dc1ca3f8e4b3d5e34c526f753a550c7a01a0135c97d98470f9d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfb3aab5cb08dc1ca3f8e4b3d5e34c526f753a550c7a01a0135c97d98470f9d1", kill_on_drop: false }`
[INFO] [stdout] dfb3aab5cb08dc1ca3f8e4b3d5e34c526f753a550c7a01a0135c97d98470f9d1