[INFO] fetching crate swift-std 0.0.0...
[INFO] testing swift-std-0.0.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate swift-std 0.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate swift-std 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 swift-std 0.0.0
[INFO] finished tweaking crates.io crate swift-std 0.0.0
[INFO] tweaked toml for crates.io crate swift-std 0.0.0 written to /workspace/builds/worker-6/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded swift-sys v0.0.0
[INFO] [stderr]   Downloaded swift-rt v0.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 83a2789cb3171b12a7b2a7b228772819eca86e806b2f8048430a9655033b4425
[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" "83a2789cb3171b12a7b2a7b228772819eca86e806b2f8048430a9655033b4425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83a2789cb3171b12a7b2a7b228772819eca86e806b2f8048430a9655033b4425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83a2789cb3171b12a7b2a7b228772819eca86e806b2f8048430a9655033b4425", kill_on_drop: false }`
[INFO] [stdout] 83a2789cb3171b12a7b2a7b228772819eca86e806b2f8048430a9655033b4425
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3f778b3f9c420b00010182c75ded03946a76a30a556cd426939af9ed17bddf19
[INFO] running `Command { std: "docker" "start" "-a" "3f778b3f9c420b00010182c75ded03946a76a30a556cd426939af9ed17bddf19", kill_on_drop: false }`
[INFO] [stderr]    Compiling swift-bindgen v0.0.0
[INFO] [stderr]    Compiling swift-rt v0.0.0
[INFO] [stderr]    Compiling swift-sys v0.0.0
[INFO] [stderr]    Compiling swift-std v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "3f778b3f9c420b00010182c75ded03946a76a30a556cd426939af9ed17bddf19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f778b3f9c420b00010182c75ded03946a76a30a556cd426939af9ed17bddf19", kill_on_drop: false }`
[INFO] [stdout] 3f778b3f9c420b00010182c75ded03946a76a30a556cd426939af9ed17bddf19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] a9d39551dd6abb9c3bf3a87de88e6f345aeefd11bc7ac8431a8c97ef428cad2d
[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" "a9d39551dd6abb9c3bf3a87de88e6f345aeefd11bc7ac8431a8c97ef428cad2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling swift-std v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "a9d39551dd6abb9c3bf3a87de88e6f345aeefd11bc7ac8431a8c97ef428cad2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9d39551dd6abb9c3bf3a87de88e6f345aeefd11bc7ac8431a8c97ef428cad2d", kill_on_drop: false }`
[INFO] [stdout] a9d39551dd6abb9c3bf3a87de88e6f345aeefd11bc7ac8431a8c97ef428cad2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 7d2840c76ea9981106e76c0f166c3a7490a9a520c19ad6b1e39c1003fcfb08f9
[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" "7d2840c76ea9981106e76c0f166c3a7490a9a520c19ad6b1e39c1003fcfb08f9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/swift_std-a1dbe9bfe3e1e1a7
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests swift-std
[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" "7d2840c76ea9981106e76c0f166c3a7490a9a520c19ad6b1e39c1003fcfb08f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d2840c76ea9981106e76c0f166c3a7490a9a520c19ad6b1e39c1003fcfb08f9", kill_on_drop: false }`
[INFO] [stdout] 7d2840c76ea9981106e76c0f166c3a7490a9a520c19ad6b1e39c1003fcfb08f9