[INFO] fetching crate purple 0.0.1-placeholder...
[INFO] testing purple-0.0.1-placeholder against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate purple 0.0.1-placeholder into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate purple 0.0.1-placeholder 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 purple 0.0.1-placeholder
[INFO] finished tweaking crates.io crate purple 0.0.1-placeholder
[INFO] tweaked toml for crates.io crate purple 0.0.1-placeholder written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate purple 0.0.1-placeholder 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 9aca2fcc61c95d5039b2b08d384f0d159c246df12bc614ed6260fbd306e7a462
[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" "9aca2fcc61c95d5039b2b08d384f0d159c246df12bc614ed6260fbd306e7a462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9aca2fcc61c95d5039b2b08d384f0d159c246df12bc614ed6260fbd306e7a462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aca2fcc61c95d5039b2b08d384f0d159c246df12bc614ed6260fbd306e7a462", kill_on_drop: false }`
[INFO] [stdout] 9aca2fcc61c95d5039b2b08d384f0d159c246df12bc614ed6260fbd306e7a462
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 631ad5458e14ab0829ef4ce235be17179efb7846f450bf1f6d2ea6f94740fe8e
[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" "631ad5458e14ab0829ef4ce235be17179efb7846f450bf1f6d2ea6f94740fe8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling purple v0.0.1-placeholder (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "631ad5458e14ab0829ef4ce235be17179efb7846f450bf1f6d2ea6f94740fe8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "631ad5458e14ab0829ef4ce235be17179efb7846f450bf1f6d2ea6f94740fe8e", kill_on_drop: false }`
[INFO] [stdout] 631ad5458e14ab0829ef4ce235be17179efb7846f450bf1f6d2ea6f94740fe8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 6863e3233089fe830f37f653335bca209b7b4e09154e1f34bbc36a537a851b90
[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" "6863e3233089fe830f37f653335bca209b7b4e09154e1f34bbc36a537a851b90", kill_on_drop: false }`
[INFO] [stderr]    Compiling purple v0.0.1-placeholder (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "6863e3233089fe830f37f653335bca209b7b4e09154e1f34bbc36a537a851b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6863e3233089fe830f37f653335bca209b7b4e09154e1f34bbc36a537a851b90", kill_on_drop: false }`
[INFO] [stdout] 6863e3233089fe830f37f653335bca209b7b4e09154e1f34bbc36a537a851b90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 638704443e4549e6293500954719f191cd7f389532e90af6414bdf5ded5e4549
[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" "638704443e4549e6293500954719f191cd7f389532e90af6414bdf5ded5e4549", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/purple-af0102c4c8e9f307
[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" "638704443e4549e6293500954719f191cd7f389532e90af6414bdf5ded5e4549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "638704443e4549e6293500954719f191cd7f389532e90af6414bdf5ded5e4549", kill_on_drop: false }`
[INFO] [stdout] 638704443e4549e6293500954719f191cd7f389532e90af6414bdf5ded5e4549