[INFO] fetching crate yttrium_std_rand 0.1.0...
[INFO] testing yttrium_std_rand-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate yttrium_std_rand 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate yttrium_std_rand 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yttrium_std_rand 0.1.0
[INFO] finished tweaking crates.io crate yttrium_std_rand 0.1.0
[INFO] tweaked toml for crates.io crate yttrium_std_rand 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da933c2118e6eeb343b221b237611b5fd100416ef2d1b63735ef74119824651d
[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" "da933c2118e6eeb343b221b237611b5fd100416ef2d1b63735ef74119824651d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da933c2118e6eeb343b221b237611b5fd100416ef2d1b63735ef74119824651d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da933c2118e6eeb343b221b237611b5fd100416ef2d1b63735ef74119824651d", kill_on_drop: false }`
[INFO] [stdout] da933c2118e6eeb343b221b237611b5fd100416ef2d1b63735ef74119824651d
[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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 806c4618a5ad63f6526e6fb39f64d79d3b60963efde611cc46ba6cd0f216984c
[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" "806c4618a5ad63f6526e6fb39f64d79d3b60963efde611cc46ba6cd0f216984c", kill_on_drop: false }`
[INFO] [stderr]    Compiling yttrium_std_rand v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "806c4618a5ad63f6526e6fb39f64d79d3b60963efde611cc46ba6cd0f216984c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "806c4618a5ad63f6526e6fb39f64d79d3b60963efde611cc46ba6cd0f216984c", kill_on_drop: false }`
[INFO] [stdout] 806c4618a5ad63f6526e6fb39f64d79d3b60963efde611cc46ba6cd0f216984c
[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" "+1.49.0" "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] c54bbb35fa0d9323dc67f3e8d4c2e96aca98fcfb39b3553f15ec63f911c9ee9e
[INFO] running `Command { std: "docker" "start" "-a" "c54bbb35fa0d9323dc67f3e8d4c2e96aca98fcfb39b3553f15ec63f911c9ee9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling yttrium_std_rand v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "c54bbb35fa0d9323dc67f3e8d4c2e96aca98fcfb39b3553f15ec63f911c9ee9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c54bbb35fa0d9323dc67f3e8d4c2e96aca98fcfb39b3553f15ec63f911c9ee9e", kill_on_drop: false }`
[INFO] [stdout] c54bbb35fa0d9323dc67f3e8d4c2e96aca98fcfb39b3553f15ec63f911c9ee9e
[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" "+1.49.0" "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] eaa081a9ff539628ee851cc4dc70f1dfe62577073acde2ce978aef85cec6534c
[INFO] running `Command { std: "docker" "start" "-a" "eaa081a9ff539628ee851cc4dc70f1dfe62577073acde2ce978aef85cec6534c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/yttrium_std_rand-769c0663f3d0e629
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests yttrium_std_rand
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eaa081a9ff539628ee851cc4dc70f1dfe62577073acde2ce978aef85cec6534c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaa081a9ff539628ee851cc4dc70f1dfe62577073acde2ce978aef85cec6534c", kill_on_drop: false }`
[INFO] [stdout] eaa081a9ff539628ee851cc4dc70f1dfe62577073acde2ce978aef85cec6534c