[INFO] fetching crate test_crate_hello_world 0.1.2...
[INFO] testing test_crate_hello_world-0.1.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate test_crate_hello_world 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate test_crate_hello_world 0.1.2 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate test_crate_hello_world 0.1.2
[INFO] finished tweaking crates.io crate test_crate_hello_world 0.1.2
[INFO] tweaked toml for crates.io crate test_crate_hello_world 0.1.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02b18a35182bd85d5e083dbedf027ca35e5816d9d31e9c4bdf9cc8105f3600fc
[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" "02b18a35182bd85d5e083dbedf027ca35e5816d9d31e9c4bdf9cc8105f3600fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02b18a35182bd85d5e083dbedf027ca35e5816d9d31e9c4bdf9cc8105f3600fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02b18a35182bd85d5e083dbedf027ca35e5816d9d31e9c4bdf9cc8105f3600fc", kill_on_drop: false }`
[INFO] [stdout] 02b18a35182bd85d5e083dbedf027ca35e5816d9d31e9c4bdf9cc8105f3600fc
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b69956622c7b3c8af45ef7e599fa334a164f2d7ceb37a1fd9a1b5ced316b0009
[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" "b69956622c7b3c8af45ef7e599fa334a164f2d7ceb37a1fd9a1b5ced316b0009", kill_on_drop: false }`
[INFO] [stderr]    Compiling test_crate_hello_world v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "b69956622c7b3c8af45ef7e599fa334a164f2d7ceb37a1fd9a1b5ced316b0009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b69956622c7b3c8af45ef7e599fa334a164f2d7ceb37a1fd9a1b5ced316b0009", kill_on_drop: false }`
[INFO] [stdout] b69956622c7b3c8af45ef7e599fa334a164f2d7ceb37a1fd9a1b5ced316b0009
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 70629123421e2b3df930a1399dcd308d731a3a390a090c315e89227b776a753b
[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" "70629123421e2b3df930a1399dcd308d731a3a390a090c315e89227b776a753b", kill_on_drop: false }`
[INFO] [stderr]    Compiling test_crate_hello_world v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "70629123421e2b3df930a1399dcd308d731a3a390a090c315e89227b776a753b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70629123421e2b3df930a1399dcd308d731a3a390a090c315e89227b776a753b", kill_on_drop: false }`
[INFO] [stdout] 70629123421e2b3df930a1399dcd308d731a3a390a090c315e89227b776a753b
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dc90ae55950668d820c01331d8403c50142d001088178657a8e2975d07bb1aa2
[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" "dc90ae55950668d820c01331d8403c50142d001088178657a8e2975d07bb1aa2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_crate_hello_world-22186faaff4dd803
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests test_crate_hello_world
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_hello ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dc90ae55950668d820c01331d8403c50142d001088178657a8e2975d07bb1aa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc90ae55950668d820c01331d8403c50142d001088178657a8e2975d07bb1aa2", kill_on_drop: false }`
[INFO] [stdout] dc90ae55950668d820c01331d8403c50142d001088178657a8e2975d07bb1aa2