[INFO] fetching crate vb-rust-test 0.1.0...
[INFO] testing vb-rust-test-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate vb-rust-test 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate vb-rust-test 0.1.0 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 crates.io crate vb-rust-test 0.1.0
[INFO] finished tweaking crates.io crate vb-rust-test 0.1.0
[INFO] tweaked toml for crates.io crate vb-rust-test 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] fa2cb636cead1c0ffa3a046fb88ed9a99cbe67d1377c8358019c0b6a66688dac
[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" "fa2cb636cead1c0ffa3a046fb88ed9a99cbe67d1377c8358019c0b6a66688dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa2cb636cead1c0ffa3a046fb88ed9a99cbe67d1377c8358019c0b6a66688dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa2cb636cead1c0ffa3a046fb88ed9a99cbe67d1377c8358019c0b6a66688dac", kill_on_drop: false }`
[INFO] [stdout] fa2cb636cead1c0ffa3a046fb88ed9a99cbe67d1377c8358019c0b6a66688dac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 8c17c35d1b92a116d95203bf7f80de374f2c35a4d9b919024434d9a69fc203c2
[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" "8c17c35d1b92a116d95203bf7f80de374f2c35a4d9b919024434d9a69fc203c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling vb-rust-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "8c17c35d1b92a116d95203bf7f80de374f2c35a4d9b919024434d9a69fc203c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c17c35d1b92a116d95203bf7f80de374f2c35a4d9b919024434d9a69fc203c2", kill_on_drop: false }`
[INFO] [stdout] 8c17c35d1b92a116d95203bf7f80de374f2c35a4d9b919024434d9a69fc203c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] e2e3156a4e3cd5bf59f0706ad08b408e772f8a28c2f2f7a0feb4cfac31265807
[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" "e2e3156a4e3cd5bf59f0706ad08b408e772f8a28c2f2f7a0feb4cfac31265807", kill_on_drop: false }`
[INFO] [stderr]    Compiling vb-rust-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "e2e3156a4e3cd5bf59f0706ad08b408e772f8a28c2f2f7a0feb4cfac31265807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2e3156a4e3cd5bf59f0706ad08b408e772f8a28c2f2f7a0feb4cfac31265807", kill_on_drop: false }`
[INFO] [stdout] e2e3156a4e3cd5bf59f0706ad08b408e772f8a28c2f2f7a0feb4cfac31265807
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 061a20103b39bbd38726f7640b1daf8415d79153c820690878b2647e21aba7b5
[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" "061a20103b39bbd38726f7640b1daf8415d79153c820690878b2647e21aba7b5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.90s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vb_rust_test-9a1f92f2e9add62c
[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" "061a20103b39bbd38726f7640b1daf8415d79153c820690878b2647e21aba7b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "061a20103b39bbd38726f7640b1daf8415d79153c820690878b2647e21aba7b5", kill_on_drop: false }`
[INFO] [stdout] 061a20103b39bbd38726f7640b1daf8415d79153c820690878b2647e21aba7b5