[INFO] fetching crate ruma-serde 0.1.0...
[INFO] testing ruma-serde-0.1.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate ruma-serde 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ruma-serde 0.1.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ruma-serde 0.1.0
[INFO] finished tweaking crates.io crate ruma-serde 0.1.0
[INFO] tweaked toml for crates.io crate ruma-serde 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] 0717e4b9eaf91b8b373f5e476e99d291fb586aaa64492f0cffc0c0488607637a
[INFO] running `"docker" "start" "-a" "0717e4b9eaf91b8b373f5e476e99d291fb586aaa64492f0cffc0c0488607637a"`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling js_int v0.1.4
[INFO] [stderr]    Compiling ruma-serde v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.58s
[INFO] running `"docker" "inspect" "0717e4b9eaf91b8b373f5e476e99d291fb586aaa64492f0cffc0c0488607637a"`
[INFO] running `"docker" "rm" "-f" "0717e4b9eaf91b8b373f5e476e99d291fb586aaa64492f0cffc0c0488607637a"`
[INFO] [stdout] 0717e4b9eaf91b8b373f5e476e99d291fb586aaa64492f0cffc0c0488607637a
[INFO] running `"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" "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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] f800c7c729c709bbd09c87a39149410175c1bd5403aa3ddd6bae148c5f22dff0
[INFO] running `"docker" "start" "-a" "f800c7c729c709bbd09c87a39149410175c1bd5403aa3ddd6bae148c5f22dff0"`
[INFO] [stderr]    Compiling ruma-serde v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `"docker" "inspect" "f800c7c729c709bbd09c87a39149410175c1bd5403aa3ddd6bae148c5f22dff0"`
[INFO] running `"docker" "rm" "-f" "f800c7c729c709bbd09c87a39149410175c1bd5403aa3ddd6bae148c5f22dff0"`
[INFO] [stdout] f800c7c729c709bbd09c87a39149410175c1bd5403aa3ddd6bae148c5f22dff0
[INFO] running `"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" "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" "+28742a1146f10a4f09369baad027a464acb7a766" "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] cb1d214e09ad13feeaa941e44e8202af95d304c67ef692c7352da1e36c5c0ee3
[INFO] running `"docker" "start" "-a" "cb1d214e09ad13feeaa941e44e8202af95d304c67ef692c7352da1e36c5c0ee3"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ruma_serde-6e3f254479044394
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test duration::opt_ms::tests::test_deserialize_none_by_absence ... ok
[INFO] [stdout] test duration::opt_ms::tests::test_serialize_none ... ok
[INFO] [stdout] test duration::opt_ms::tests::test_deserialize_none_by_null ... ok
[INFO] [stdout] test duration::opt_ms::tests::test_deserialize_some ... ok
[INFO] [stdout] test duration::secs::tests::test_deserialize ... ok
[INFO] [stdout] test time::ms_since_unix_epoch::tests::test_serialize ... ok
[INFO] [stdout] test duration::opt_ms::tests::test_serialize_some ... ok
[INFO] [stdout] test time::opt_ms_since_unix_epoch::tests::test_deserialize_none_by_absence ... ok
[INFO] [stdout] test time::ms_since_unix_epoch::tests::test_deserialize ... ok
[INFO] [stdout] test time::opt_ms_since_unix_epoch::tests::test_serialize_some ... ok
[INFO] [stderr]    Doc-tests ruma-serde
[INFO] [stdout] test time::opt_ms_since_unix_epoch::tests::test_serialize_none ... ok
[INFO] [stdout] test duration::secs::tests::test_serialize ... ok
[INFO] [stdout] test time::opt_ms_since_unix_epoch::tests::test_deserialize_none_by_null ... ok
[INFO] [stdout] test time::opt_ms_since_unix_epoch::tests::test_deserialize_some ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 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 `"docker" "inspect" "cb1d214e09ad13feeaa941e44e8202af95d304c67ef692c7352da1e36c5c0ee3"`
[INFO] running `"docker" "rm" "-f" "cb1d214e09ad13feeaa941e44e8202af95d304c67ef692c7352da1e36c5c0ee3"`
[INFO] [stdout] cb1d214e09ad13feeaa941e44e8202af95d304c67ef692c7352da1e36c5c0ee3