[INFO] fetching crate variantly 0.1.0...
[INFO] testing variantly-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate variantly 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate variantly 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 variantly 0.1.0
[INFO] finished tweaking crates.io crate variantly 0.1.0
[INFO] tweaked toml for crates.io crate variantly 0.1.0 written to /workspace/builds/worker-10/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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 4a27fff8f7831fe9e9fb86486fc884df5eac629d8c3236d62f9939d053272cf1
[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" "4a27fff8f7831fe9e9fb86486fc884df5eac629d8c3236d62f9939d053272cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a27fff8f7831fe9e9fb86486fc884df5eac629d8c3236d62f9939d053272cf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a27fff8f7831fe9e9fb86486fc884df5eac629d8c3236d62f9939d053272cf1", kill_on_drop: false }`
[INFO] [stdout] 4a27fff8f7831fe9e9fb86486fc884df5eac629d8c3236d62f9939d053272cf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] f0ecccf6c3aabe689dc63a324dc3d6a1c3440aa6b5a63001ac8b1e49a2425b75
[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" "f0ecccf6c3aabe689dc63a324dc3d6a1c3440aa6b5a63001ac8b1e49a2425b75", kill_on_drop: false }`
[INFO] [stderr]    Compiling darling_core v0.11.0
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling darling_macro v0.11.0
[INFO] [stderr]    Compiling darling v0.11.0
[INFO] [stderr]    Compiling variantly v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.05s
[INFO] running `Command { std: "docker" "inspect" "f0ecccf6c3aabe689dc63a324dc3d6a1c3440aa6b5a63001ac8b1e49a2425b75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0ecccf6c3aabe689dc63a324dc3d6a1c3440aa6b5a63001ac8b1e49a2425b75", kill_on_drop: false }`
[INFO] [stdout] f0ecccf6c3aabe689dc63a324dc3d6a1c3440aa6b5a63001ac8b1e49a2425b75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] ff9c296f0852a1077a298dd082fa1141347ca5794aaa02f9631acff01bf940e2
[INFO] running `Command { std: "docker" "start" "-a" "ff9c296f0852a1077a298dd082fa1141347ca5794aaa02f9631acff01bf940e2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling variantly v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.59s
[INFO] running `Command { std: "docker" "inspect" "ff9c296f0852a1077a298dd082fa1141347ca5794aaa02f9631acff01bf940e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff9c296f0852a1077a298dd082fa1141347ca5794aaa02f9631acff01bf940e2", kill_on_drop: false }`
[INFO] [stdout] ff9c296f0852a1077a298dd082fa1141347ca5794aaa02f9631acff01bf940e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] ac23d25cd4601a5069f15e97a63badfd05036ec6c1629ef7c101de6973526044
[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" "ac23d25cd4601a5069f15e97a63badfd05036ec6c1629ef7c101de6973526044", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/variantly-2a7c13ffea3f831e
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/derived_and-ca0ba8e076503e3d
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test single_value_tuple ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/derived_and_then-d7394c2ac631665c
[INFO] [stdout] test multi_value_tuple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test single_value_tuple ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/derived_expect-144ad1afdfb259eb
[INFO] [stdout] test multi_value_tuple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test single_value_tuple ... ok
[INFO] [stdout] test multi_value_tuple ... ok
[INFO] [stdout] test multi_value_tuple_panic ... ok
[INFO] [stdout] test single_value_tuple_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/derived_is_and_is_not-7aaba2bb1b4c8d9e
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test struct_like ... ok
[INFO] [stdout] test unit ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/derived_ok-e3d30fae9b4a3dad
[INFO] [stdout] test tuple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/derived_ok_or-6c5ec39b86b636cf
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test multi_value_tuple ... ok
[INFO] [stdout] test single_value_tuple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test multi_value_tuple ... ok
[INFO] [stdout] test single_value_tuple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/derived_ok_or_else-f4f1c2e5e14476f1
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test single_value_tuple ... ok
[INFO] [stdout] test multi_value_tuple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/derived_or-8c7b29d3c0113b1e
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test multi_value_tuple ... ok
[INFO] [stdout] test single_value_tuple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/derived_or_else-55e2c5bb74f50243
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test single_value_tuple ... ok
[INFO] [stdout] test multi_value_tuple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/derived_unwrap-0c86eb3adbef6ea3
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test multi_value_tuple ... ok
[INFO] [stdout] test single_value_tuple ... ok
[INFO] [stdout] test multi_value_tuple_panic ... ok
[INFO] [stdout] test single_value_tuple_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/derived_unwrap_or-c4a667fbb38b8c29
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test multi_value_tuple ... ok
[INFO] [stdout] test single_value_tuple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/derived_unwrap_or_else-8e49c990d9f54dc9
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/example-9606f82046309b7c
[INFO] [stdout] test multi_value_tuple ... ok
[INFO] [stdout] test single_value_tuple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/helper-2e6518ebbd2c4280
[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] [stderr]    Doc-tests variantly
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 108) ... ignored
[INFO] [stdout] test src/lib.rs - (line 123) ... ignored
[INFO] [stdout] test src/lib.rs - (line 4) ... ignored
[INFO] [stdout] test src/lib.rs - (line 88) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ac23d25cd4601a5069f15e97a63badfd05036ec6c1629ef7c101de6973526044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac23d25cd4601a5069f15e97a63badfd05036ec6c1629ef7c101de6973526044", kill_on_drop: false }`
[INFO] [stdout] ac23d25cd4601a5069f15e97a63badfd05036ec6c1629ef7c101de6973526044