[INFO] fetching crate vlugger 0.3.0...
[INFO] testing vlugger-0.3.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate vlugger 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate vlugger 0.3.0 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 vlugger 0.3.0
[INFO] finished tweaking crates.io crate vlugger 0.3.0
[INFO] tweaked toml for crates.io crate vlugger 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate vlugger 0.3.0 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dirs v3.0.1
[INFO] [stderr]   Downloaded libc v0.2.80
[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] 024a6bc0a758110a6ff37f4cac0d125f18e36bd2f3a3e9eb0d53c2d81e0ee8f3
[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" "024a6bc0a758110a6ff37f4cac0d125f18e36bd2f3a3e9eb0d53c2d81e0ee8f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "024a6bc0a758110a6ff37f4cac0d125f18e36bd2f3a3e9eb0d53c2d81e0ee8f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "024a6bc0a758110a6ff37f4cac0d125f18e36bd2f3a3e9eb0d53c2d81e0ee8f3", kill_on_drop: false }`
[INFO] [stdout] 024a6bc0a758110a6ff37f4cac0d125f18e36bd2f3a3e9eb0d53c2d81e0ee8f3
[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] 1fa3c935fb35a8b86d4e68703a540a0a6f972bb258fd77bff2ecf5f1b1aa3170
[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" "1fa3c935fb35a8b86d4e68703a540a0a6f972bb258fd77bff2ecf5f1b1aa3170", kill_on_drop: false }`
[INFO] [stderr]    Compiling dirs v3.0.1
[INFO] [stderr]    Compiling vlugger v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "1fa3c935fb35a8b86d4e68703a540a0a6f972bb258fd77bff2ecf5f1b1aa3170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fa3c935fb35a8b86d4e68703a540a0a6f972bb258fd77bff2ecf5f1b1aa3170", kill_on_drop: false }`
[INFO] [stdout] 1fa3c935fb35a8b86d4e68703a540a0a6f972bb258fd77bff2ecf5f1b1aa3170
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 63a758acfc9a122f2a567520cfa57953e3dc29f2d9123a7983a0a4d7d2e8cb6f
[INFO] running `Command { std: "docker" "start" "-a" "63a758acfc9a122f2a567520cfa57953e3dc29f2d9123a7983a0a4d7d2e8cb6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling vlugger v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "63a758acfc9a122f2a567520cfa57953e3dc29f2d9123a7983a0a4d7d2e8cb6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63a758acfc9a122f2a567520cfa57953e3dc29f2d9123a7983a0a4d7d2e8cb6f", kill_on_drop: false }`
[INFO] [stdout] 63a758acfc9a122f2a567520cfa57953e3dc29f2d9123a7983a0a4d7d2e8cb6f
[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] 7c6e96baca05a873b4c97926928d621a5f55a455ea382eba6b0ee14dda39ed82
[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" "7c6e96baca05a873b4c97926928d621a5f55a455ea382eba6b0ee14dda39ed82", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vlugger-3280420471754c1c
[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" "7c6e96baca05a873b4c97926928d621a5f55a455ea382eba6b0ee14dda39ed82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c6e96baca05a873b4c97926928d621a5f55a455ea382eba6b0ee14dda39ed82", kill_on_drop: false }`
[INFO] [stdout] 7c6e96baca05a873b4c97926928d621a5f55a455ea382eba6b0ee14dda39ed82