[INFO] fetching crate from_variants_impl 0.5.0...
[INFO] testing from_variants_impl-0.5.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate from_variants_impl 0.5.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate from_variants_impl 0.5.0 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 from_variants_impl 0.5.0
[INFO] finished tweaking crates.io crate from_variants_impl 0.5.0
[INFO] tweaked toml for crates.io crate from_variants_impl 0.5.0 written to /workspace/builds/worker-1/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 strsim v0.9.3
[INFO] [stderr]   Downloaded darling_core v0.10.2
[INFO] [stderr]   Downloaded darling_macro v0.10.2
[INFO] [stderr]   Downloaded darling v0.10.2
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16e8fee6162985fc724b85c0b5be6f42f5313eefbafc46747b97e89ca7d31fbe
[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" "16e8fee6162985fc724b85c0b5be6f42f5313eefbafc46747b97e89ca7d31fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16e8fee6162985fc724b85c0b5be6f42f5313eefbafc46747b97e89ca7d31fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16e8fee6162985fc724b85c0b5be6f42f5313eefbafc46747b97e89ca7d31fbe", kill_on_drop: false }`
[INFO] [stdout] 16e8fee6162985fc724b85c0b5be6f42f5313eefbafc46747b97e89ca7d31fbe
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 275f20a9411c05b72ed56fc5c0c9e511d5c0abdfa5e072434b3a340653e13614
[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" "275f20a9411c05b72ed56fc5c0c9e511d5c0abdfa5e072434b3a340653e13614", kill_on_drop: false }`
[INFO] [stderr]    Compiling from_variants_impl v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.83s
[INFO] running `Command { std: "docker" "inspect" "275f20a9411c05b72ed56fc5c0c9e511d5c0abdfa5e072434b3a340653e13614", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "275f20a9411c05b72ed56fc5c0c9e511d5c0abdfa5e072434b3a340653e13614", kill_on_drop: false }`
[INFO] [stdout] 275f20a9411c05b72ed56fc5c0c9e511d5c0abdfa5e072434b3a340653e13614
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/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] 7092d34cfb392afd6965268a025a298597d6f467b1fdc51217e71f7404196cd7
[INFO] running `Command { std: "docker" "start" "-a" "7092d34cfb392afd6965268a025a298597d6f467b1fdc51217e71f7404196cd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling from_variants_impl v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.27s
[INFO] running `Command { std: "docker" "inspect" "7092d34cfb392afd6965268a025a298597d6f467b1fdc51217e71f7404196cd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7092d34cfb392afd6965268a025a298597d6f467b1fdc51217e71f7404196cd7", kill_on_drop: false }`
[INFO] [stdout] 7092d34cfb392afd6965268a025a298597d6f467b1fdc51217e71f7404196cd7
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ecd44527111df9acebe6bdb58bf6b57ee97d4a5ba31f5ef9301db805c610130f
[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" "ecd44527111df9acebe6bdb58bf6b57ee97d4a5ba31f5ef9301db805c610130f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/from_variants_impl-8172397a6689196d
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test from_impl::tests::into ... ok
[INFO] [stdout] test from_impl::tests::simple ... ok
[INFO] [stderr]    Doc-tests from_variants_impl
[INFO] [stdout] test from_impl::tests::lifetime ... ok
[INFO] [stdout] test from_impl::tests::into_generics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "ecd44527111df9acebe6bdb58bf6b57ee97d4a5ba31f5ef9301db805c610130f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecd44527111df9acebe6bdb58bf6b57ee97d4a5ba31f5ef9301db805c610130f", kill_on_drop: false }`
[INFO] [stdout] ecd44527111df9acebe6bdb58bf6b57ee97d4a5ba31f5ef9301db805c610130f