[INFO] fetching crate fixed-exp 0.1.0...
[INFO] testing fixed-exp-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate fixed-exp 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate fixed-exp 0.1.0 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 fixed-exp 0.1.0
[INFO] finished tweaking crates.io crate fixed-exp 0.1.0
[INFO] tweaked toml for crates.io crate fixed-exp 0.1.0 written to /workspace/builds/worker-7/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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0dccb3b0635cfd09bed2d00f118f8955ceb957327b3d305181d2678b2b275fe0
[INFO] running `Command { std: "docker" "start" "-a" "0dccb3b0635cfd09bed2d00f118f8955ceb957327b3d305181d2678b2b275fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0dccb3b0635cfd09bed2d00f118f8955ceb957327b3d305181d2678b2b275fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dccb3b0635cfd09bed2d00f118f8955ceb957327b3d305181d2678b2b275fe0", kill_on_drop: false }`
[INFO] [stdout] 0dccb3b0635cfd09bed2d00f118f8955ceb957327b3d305181d2678b2b275fe0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] fe888eddabf79317f121579de583a7f1957e92c49fb54ba8c88086140ed9ea20
[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" "fe888eddabf79317f121579de583a7f1957e92c49fb54ba8c88086140ed9ea20", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixed-exp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "fe888eddabf79317f121579de583a7f1957e92c49fb54ba8c88086140ed9ea20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe888eddabf79317f121579de583a7f1957e92c49fb54ba8c88086140ed9ea20", kill_on_drop: false }`
[INFO] [stdout] fe888eddabf79317f121579de583a7f1957e92c49fb54ba8c88086140ed9ea20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 7ed114e726ae66a162e3ba9afcad54e1a711d82a43157f791d430d2712c47539
[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" "7ed114e726ae66a162e3ba9afcad54e1a711d82a43157f791d430d2712c47539", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixed-exp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "7ed114e726ae66a162e3ba9afcad54e1a711d82a43157f791d430d2712c47539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ed114e726ae66a162e3ba9afcad54e1a711d82a43157f791d430d2712c47539", kill_on_drop: false }`
[INFO] [stdout] 7ed114e726ae66a162e3ba9afcad54e1a711d82a43157f791d430d2712c47539
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f4a53077989394a828cdf62cc4def1f2170403ddcea98b1fb02cb9cb589bd46f
[INFO] running `Command { std: "docker" "start" "-a" "f4a53077989394a828cdf62cc4def1f2170403ddcea98b1fb02cb9cb589bd46f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fixed_exp-12b370a985e6d8f9
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::test_powi_positive ... ok
[INFO] [stdout] test tests::test_powi_positive_sub_one ... ok
[INFO] [stdout] test tests::test_powi_non_positive ... ok
[INFO] [stdout] test tests::test_powf ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fixed-exp
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - FixedPowI::powi (line 43) ... ok
[INFO] [stdout] test src/lib.rs - FixedPowF::powf (line 65) ... ok
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f4a53077989394a828cdf62cc4def1f2170403ddcea98b1fb02cb9cb589bd46f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4a53077989394a828cdf62cc4def1f2170403ddcea98b1fb02cb9cb589bd46f", kill_on_drop: false }`
[INFO] [stdout] f4a53077989394a828cdf62cc4def1f2170403ddcea98b1fb02cb9cb589bd46f