[INFO] fetching crate piston-float 1.0.0...
[INFO] testing piston-float-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate piston-float 1.0.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate piston-float 1.0.0 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 piston-float 1.0.0
[INFO] finished tweaking crates.io crate piston-float 1.0.0
[INFO] tweaked toml for crates.io crate piston-float 1.0.0 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 40f0949feb1be72c00b9e0b4e63ce584dae2eceb24eced6ac79cd99d791ba107
[INFO] running `Command { std: "docker" "start" "-a" "40f0949feb1be72c00b9e0b4e63ce584dae2eceb24eced6ac79cd99d791ba107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40f0949feb1be72c00b9e0b4e63ce584dae2eceb24eced6ac79cd99d791ba107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40f0949feb1be72c00b9e0b4e63ce584dae2eceb24eced6ac79cd99d791ba107", kill_on_drop: false }`
[INFO] [stdout] 40f0949feb1be72c00b9e0b4e63ce584dae2eceb24eced6ac79cd99d791ba107
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 9d33aeb52c278811c03cf6ec135d88fba3852a01e3da8869fa0e3ae610d09c83
[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" "9d33aeb52c278811c03cf6ec135d88fba3852a01e3da8869fa0e3ae610d09c83", kill_on_drop: false }`
[INFO] [stderr]    Compiling piston-float v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "9d33aeb52c278811c03cf6ec135d88fba3852a01e3da8869fa0e3ae610d09c83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d33aeb52c278811c03cf6ec135d88fba3852a01e3da8869fa0e3ae610d09c83", kill_on_drop: false }`
[INFO] [stdout] 9d33aeb52c278811c03cf6ec135d88fba3852a01e3da8869fa0e3ae610d09c83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 2802d4605cfa2fbc5fb34974898e3148a6a333d46dc92fde34815a0e40ef6cef
[INFO] running `Command { std: "docker" "start" "-a" "2802d4605cfa2fbc5fb34974898e3148a6a333d46dc92fde34815a0e40ef6cef", kill_on_drop: false }`
[INFO] [stderr]    Compiling piston-float v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "2802d4605cfa2fbc5fb34974898e3148a6a333d46dc92fde34815a0e40ef6cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2802d4605cfa2fbc5fb34974898e3148a6a333d46dc92fde34815a0e40ef6cef", kill_on_drop: false }`
[INFO] [stdout] 2802d4605cfa2fbc5fb34974898e3148a6a333d46dc92fde34815a0e40ef6cef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] 826c0ac65b2269c58464cfb158216b01bcc347d1233563f7f2afe9c25dcf4b01
[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" "826c0ac65b2269c58464cfb158216b01bcc347d1233563f7f2afe9c25dcf4b01", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/float-6198d8f48dcd3bf1
[INFO] [stdout] test test::test_f32_sqrt ... ok
[INFO] [stderr]    Doc-tests float
[INFO] [stdout] test test::test_f64_sqrt ... ok
[INFO] [stdout] test test::test_f32_deg_to_rad ... ok
[INFO] [stdout] test test::test_f64_deg_to_rad ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 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" "826c0ac65b2269c58464cfb158216b01bcc347d1233563f7f2afe9c25dcf4b01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "826c0ac65b2269c58464cfb158216b01bcc347d1233563f7f2afe9c25dcf4b01", kill_on_drop: false }`
[INFO] [stdout] 826c0ac65b2269c58464cfb158216b01bcc347d1233563f7f2afe9c25dcf4b01