[INFO] fetching crate robusta 0.0.0...
[INFO] testing robusta-0.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate robusta 0.0.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate robusta 0.0.0 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 robusta 0.0.0
[INFO] finished tweaking crates.io crate robusta 0.0.0
[INFO] tweaked toml for crates.io crate robusta 0.0.0 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] e0cba0899f3b93c8cadf92455a76802f611e9f73f24b5bd2cac698372c0acaca
[INFO] running `Command { std: "docker" "start" "-a" "e0cba0899f3b93c8cadf92455a76802f611e9f73f24b5bd2cac698372c0acaca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0cba0899f3b93c8cadf92455a76802f611e9f73f24b5bd2cac698372c0acaca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0cba0899f3b93c8cadf92455a76802f611e9f73f24b5bd2cac698372c0acaca", kill_on_drop: false }`
[INFO] [stdout] e0cba0899f3b93c8cadf92455a76802f611e9f73f24b5bd2cac698372c0acaca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 80a32740a923c4147a4a6e87854e6ae65dc75a23918f9f9a47cc619716bc1fc4
[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" "80a32740a923c4147a4a6e87854e6ae65dc75a23918f9f9a47cc619716bc1fc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling robusta v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "80a32740a923c4147a4a6e87854e6ae65dc75a23918f9f9a47cc619716bc1fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80a32740a923c4147a4a6e87854e6ae65dc75a23918f9f9a47cc619716bc1fc4", kill_on_drop: false }`
[INFO] [stdout] 80a32740a923c4147a4a6e87854e6ae65dc75a23918f9f9a47cc619716bc1fc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 037476c2fa85b893f3f079f8f48688f3260d81c2b1fcda5526cf7f675dbc499d
[INFO] running `Command { std: "docker" "start" "-a" "037476c2fa85b893f3f079f8f48688f3260d81c2b1fcda5526cf7f675dbc499d", kill_on_drop: false }`
[INFO] [stderr]    Compiling robusta v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "037476c2fa85b893f3f079f8f48688f3260d81c2b1fcda5526cf7f675dbc499d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "037476c2fa85b893f3f079f8f48688f3260d81c2b1fcda5526cf7f675dbc499d", kill_on_drop: false }`
[INFO] [stdout] 037476c2fa85b893f3f079f8f48688f3260d81c2b1fcda5526cf7f675dbc499d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 300d4e1e69bf20ae87aa675115864177ea0eef9e4981f3e4b1f6c0b37a10f04c
[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" "300d4e1e69bf20ae87aa675115864177ea0eef9e4981f3e4b1f6c0b37a10f04c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/robusta-d40291d96b3c5bd2
[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" "300d4e1e69bf20ae87aa675115864177ea0eef9e4981f3e4b1f6c0b37a10f04c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "300d4e1e69bf20ae87aa675115864177ea0eef9e4981f3e4b1f6c0b37a10f04c", kill_on_drop: false }`
[INFO] [stdout] 300d4e1e69bf20ae87aa675115864177ea0eef9e4981f3e4b1f6c0b37a10f04c