[INFO] fetching crate conveyer_belt 0.0.1...
[INFO] testing conveyer_belt-0.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate conveyer_belt 0.0.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate conveyer_belt 0.0.1 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 conveyer_belt 0.0.1
[INFO] finished tweaking crates.io crate conveyer_belt 0.0.1
[INFO] tweaked toml for crates.io crate conveyer_belt 0.0.1 written to /workspace/builds/worker-13/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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5805e6d5f75330d537c110a0e2364b4b0ba20d128d4606f1a044481d3f4f9c0d
[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" "5805e6d5f75330d537c110a0e2364b4b0ba20d128d4606f1a044481d3f4f9c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5805e6d5f75330d537c110a0e2364b4b0ba20d128d4606f1a044481d3f4f9c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5805e6d5f75330d537c110a0e2364b4b0ba20d128d4606f1a044481d3f4f9c0d", kill_on_drop: false }`
[INFO] [stdout] 5805e6d5f75330d537c110a0e2364b4b0ba20d128d4606f1a044481d3f4f9c0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d64029f20590e478d7764b0a9b9c4a56f5163167ec8e75898f32eeb87c1a53f
[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" "9d64029f20590e478d7764b0a9b9c4a56f5163167ec8e75898f32eeb87c1a53f", kill_on_drop: false }`
[INFO] [stderr]    Compiling conveyer_belt v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "9d64029f20590e478d7764b0a9b9c4a56f5163167ec8e75898f32eeb87c1a53f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d64029f20590e478d7764b0a9b9c4a56f5163167ec8e75898f32eeb87c1a53f", kill_on_drop: false }`
[INFO] [stdout] 9d64029f20590e478d7764b0a9b9c4a56f5163167ec8e75898f32eeb87c1a53f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.49.0" "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] 98c11b547f519ff08dcfe62abfc4a06ef113a78877e58c0b1953cdec91f86441
[INFO] running `Command { std: "docker" "start" "-a" "98c11b547f519ff08dcfe62abfc4a06ef113a78877e58c0b1953cdec91f86441", kill_on_drop: false }`
[INFO] [stderr]    Compiling conveyer_belt v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "98c11b547f519ff08dcfe62abfc4a06ef113a78877e58c0b1953cdec91f86441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98c11b547f519ff08dcfe62abfc4a06ef113a78877e58c0b1953cdec91f86441", kill_on_drop: false }`
[INFO] [stdout] 98c11b547f519ff08dcfe62abfc4a06ef113a78877e58c0b1953cdec91f86441
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e50f39acfb80f7657803c96b5e96002ce0e0241472158e1e32b5d91bc6428df7
[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" "e50f39acfb80f7657803c96b5e96002ce0e0241472158e1e32b5d91bc6428df7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/conveyer_belt-c0952dc8e3805e96
[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" "e50f39acfb80f7657803c96b5e96002ce0e0241472158e1e32b5d91bc6428df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e50f39acfb80f7657803c96b5e96002ce0e0241472158e1e32b5d91bc6428df7", kill_on_drop: false }`
[INFO] [stdout] e50f39acfb80f7657803c96b5e96002ce0e0241472158e1e32b5d91bc6428df7