[INFO] fetching crate self 0.0.0...
[INFO] testing self-0.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate self 0.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate self 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 self 0.0.0
[INFO] finished tweaking crates.io crate self 0.0.0
[INFO] tweaked toml for crates.io crate self 0.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate self 0.0.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8e80315cd540db8e0a7f724f2785f82331f722edcb1e1a4a5b8eca5e777b75f
[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" "e8e80315cd540db8e0a7f724f2785f82331f722edcb1e1a4a5b8eca5e777b75f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8e80315cd540db8e0a7f724f2785f82331f722edcb1e1a4a5b8eca5e777b75f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8e80315cd540db8e0a7f724f2785f82331f722edcb1e1a4a5b8eca5e777b75f", kill_on_drop: false }`
[INFO] [stdout] e8e80315cd540db8e0a7f724f2785f82331f722edcb1e1a4a5b8eca5e777b75f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--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] bd9eed13c4bf8466b92bd86ac3766076b20f873c6d98dd7b32f22e04633a515f
[INFO] running `Command { std: "docker" "start" "-a" "bd9eed13c4bf8466b92bd86ac3766076b20f873c6d98dd7b32f22e04633a515f", kill_on_drop: false }`
[INFO] [stderr]    Compiling self v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "bd9eed13c4bf8466b92bd86ac3766076b20f873c6d98dd7b32f22e04633a515f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd9eed13c4bf8466b92bd86ac3766076b20f873c6d98dd7b32f22e04633a515f", kill_on_drop: false }`
[INFO] [stdout] bd9eed13c4bf8466b92bd86ac3766076b20f873c6d98dd7b32f22e04633a515f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] dedd42ed8e3d568bb938f2c4cdbb76ca12fbff3629bd99410bfcacd54b385786
[INFO] running `Command { std: "docker" "start" "-a" "dedd42ed8e3d568bb938f2c4cdbb76ca12fbff3629bd99410bfcacd54b385786", kill_on_drop: false }`
[INFO] [stderr]    Compiling self v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "dedd42ed8e3d568bb938f2c4cdbb76ca12fbff3629bd99410bfcacd54b385786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dedd42ed8e3d568bb938f2c4cdbb76ca12fbff3629bd99410bfcacd54b385786", kill_on_drop: false }`
[INFO] [stdout] dedd42ed8e3d568bb938f2c4cdbb76ca12fbff3629bd99410bfcacd54b385786
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f95755374dfa8ccc26b4f45c2e647c6def864edbebce62df56848a6705bafa60
[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" "f95755374dfa8ccc26b4f45c2e647c6def864edbebce62df56848a6705bafa60", 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/self-2080550e2433ff8d
[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" "f95755374dfa8ccc26b4f45c2e647c6def864edbebce62df56848a6705bafa60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f95755374dfa8ccc26b4f45c2e647c6def864edbebce62df56848a6705bafa60", kill_on_drop: false }`
[INFO] [stdout] f95755374dfa8ccc26b4f45c2e647c6def864edbebce62df56848a6705bafa60