[INFO] crate untagged-option 0.2.0 is already in cache
[INFO] testing untagged-option-0.2.0 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate untagged-option 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate untagged-option 0.2.0 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate untagged-option 0.2.0
[INFO] finished tweaking crates.io crate untagged-option 0.2.0
[INFO] tweaked toml for crates.io crate untagged-option 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eee84361fc77da7f68936fef7205584a794586837748e62bbe591b0e76b54e09
[INFO] running `"docker" "start" "-a" "eee84361fc77da7f68936fef7205584a794586837748e62bbe591b0e76b54e09"`
[INFO] [stderr]    Compiling untagged-option v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stderr]   --> src/lib.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 | #[allow(unions_with_drop_fields)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `"docker" "inspect" "eee84361fc77da7f68936fef7205584a794586837748e62bbe591b0e76b54e09"`
[INFO] running `"docker" "rm" "-f" "eee84361fc77da7f68936fef7205584a794586837748e62bbe591b0e76b54e09"`
[INFO] [stdout] eee84361fc77da7f68936fef7205584a794586837748e62bbe591b0e76b54e09
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 354f4a556d0aac379d698f25fac168931b13ad4fb0327e2d75bbe74277fb4d3f
[INFO] running `"docker" "start" "-a" "354f4a556d0aac379d698f25fac168931b13ad4fb0327e2d75bbe74277fb4d3f"`
[INFO] [stderr]    Compiling untagged-option v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stderr]   --> src/lib.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 | #[allow(unions_with_drop_fields)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stderr]   --> src/lib.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 | #[allow(unions_with_drop_fields)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `"docker" "inspect" "354f4a556d0aac379d698f25fac168931b13ad4fb0327e2d75bbe74277fb4d3f"`
[INFO] running `"docker" "rm" "-f" "354f4a556d0aac379d698f25fac168931b13ad4fb0327e2d75bbe74277fb4d3f"`
[INFO] [stdout] 354f4a556d0aac379d698f25fac168931b13ad4fb0327e2d75bbe74277fb4d3f
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cd5cfcb1440df7babc010ce038e08faeb7f8dc38b50131f4b45a4d0f62e6388a
[INFO] running `"docker" "start" "-a" "cd5cfcb1440df7babc010ce038e08faeb7f8dc38b50131f4b45a4d0f62e6388a"`
[INFO] [stderr] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stderr]   --> src/lib.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 | #[allow(unions_with_drop_fields)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `unions_with_drop_fields`
[INFO] [stderr]   --> src/lib.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 | #[allow(unions_with_drop_fields)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/untagged_option-6a6bbbc2501ec121
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::correct_drop ... ok
[INFO] [stdout] test tests::static_context ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests untagged-option
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - UntaggedOption (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "cd5cfcb1440df7babc010ce038e08faeb7f8dc38b50131f4b45a4d0f62e6388a"`
[INFO] running `"docker" "rm" "-f" "cd5cfcb1440df7babc010ce038e08faeb7f8dc38b50131f4b45a4d0f62e6388a"`
[INFO] [stdout] cd5cfcb1440df7babc010ce038e08faeb7f8dc38b50131f4b45a4d0f62e6388a