[INFO] fetching crate twitter 0.1.0...
[INFO] testing twitter-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate twitter 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate twitter 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twitter 0.1.0
[INFO] finished tweaking crates.io crate twitter 0.1.0
[INFO] tweaked toml for crates.io crate twitter 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 718c32399011bf57d1a94c54c0ea7ead0e9774d2b330456ee6f4fc424464050c
[INFO] running `Command { std: "docker" "start" "-a" "718c32399011bf57d1a94c54c0ea7ead0e9774d2b330456ee6f4fc424464050c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "718c32399011bf57d1a94c54c0ea7ead0e9774d2b330456ee6f4fc424464050c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "718c32399011bf57d1a94c54c0ea7ead0e9774d2b330456ee6f4fc424464050c", kill_on_drop: false }`
[INFO] [stdout] 718c32399011bf57d1a94c54c0ea7ead0e9774d2b330456ee6f4fc424464050c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42786d28a7c2565215dab32e7cb3b52c1659f53cf9475444a5339ab683db3cc8
[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" "42786d28a7c2565215dab32e7cb3b52c1659f53cf9475444a5339ab683db3cc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling twitter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "42786d28a7c2565215dab32e7cb3b52c1659f53cf9475444a5339ab683db3cc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42786d28a7c2565215dab32e7cb3b52c1659f53cf9475444a5339ab683db3cc8", kill_on_drop: false }`
[INFO] [stdout] 42786d28a7c2565215dab32e7cb3b52c1659f53cf9475444a5339ab683db3cc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 63e19af17949b510e4abba0e14974b5665f12c50d324b0543bc652636922fd1a
[INFO] running `Command { std: "docker" "start" "-a" "63e19af17949b510e4abba0e14974b5665f12c50d324b0543bc652636922fd1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling twitter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "63e19af17949b510e4abba0e14974b5665f12c50d324b0543bc652636922fd1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63e19af17949b510e4abba0e14974b5665f12c50d324b0543bc652636922fd1a", kill_on_drop: false }`
[INFO] [stdout] 63e19af17949b510e4abba0e14974b5665f12c50d324b0543bc652636922fd1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", 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] 0280ec53d12bd80d2c2eea9ceafc4f566625ae3fb77e4064cdffbf8ad300c422
[INFO] running `Command { std: "docker" "start" "-a" "0280ec53d12bd80d2c2eea9ceafc4f566625ae3fb77e4064cdffbf8ad300c422", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/twitter-cc6b13683af1d16d)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests twitter
[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] [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" "0280ec53d12bd80d2c2eea9ceafc4f566625ae3fb77e4064cdffbf8ad300c422", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0280ec53d12bd80d2c2eea9ceafc4f566625ae3fb77e4064cdffbf8ad300c422", kill_on_drop: false }`
[INFO] [stdout] 0280ec53d12bd80d2c2eea9ceafc4f566625ae3fb77e4064cdffbf8ad300c422