[INFO] crate welder 0.3.0 is already in cache
[INFO] testing welder-0.3.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate welder 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate welder 0.3.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate welder 0.3.0
[INFO] finished tweaking crates.io crate welder 0.3.0
[INFO] tweaked toml for crates.io crate welder 0.3.0 written to /workspace/builds/worker-2/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] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 6c357606cfa8008d16bfd7dcd9caeacf5b8720f2a81da90de84f1045141873ca
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "6c357606cfa8008d16bfd7dcd9caeacf5b8720f2a81da90de84f1045141873ca"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling welder v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `"docker" "inspect" "6c357606cfa8008d16bfd7dcd9caeacf5b8720f2a81da90de84f1045141873ca"`
[INFO] running `"docker" "rm" "-f" "6c357606cfa8008d16bfd7dcd9caeacf5b8720f2a81da90de84f1045141873ca"`
[INFO] [stdout] 6c357606cfa8008d16bfd7dcd9caeacf5b8720f2a81da90de84f1045141873ca
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 0eccda61cce183086c82fc3dc8baf0f10c773793d3bd961a9cf1c28a56ac134e
[INFO] running `"docker" "start" "-a" "0eccda61cce183086c82fc3dc8baf0f10c773793d3bd961a9cf1c28a56ac134e"`
[INFO] [stderr]    Compiling welder v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.33s
[INFO] running `"docker" "inspect" "0eccda61cce183086c82fc3dc8baf0f10c773793d3bd961a9cf1c28a56ac134e"`
[INFO] running `"docker" "rm" "-f" "0eccda61cce183086c82fc3dc8baf0f10c773793d3bd961a9cf1c28a56ac134e"`
[INFO] [stdout] 0eccda61cce183086c82fc3dc8baf0f10c773793d3bd961a9cf1c28a56ac134e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] bf7c24c8c6b536f4af1cc8c3e5c77f17add62d925af2e16d1ead1ce5cb57a32f
[INFO] running `"docker" "start" "-a" "bf7c24c8c6b536f4af1cc8c3e5c77f17add62d925af2e16d1ead1ce5cb57a32f"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/welder-6331474e9c6d7ac3
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::vec_welder_chain ... ok
[INFO] [stdout] test tests::string_welder ... ok
[INFO] [stdout] test tests::string_welder_chain ... ok
[INFO] [stdout] test tests::vec_welder_multiple ... ok
[INFO] [stdout] test tests::string_welder_from_base ... ok
[INFO] [stdout] test tests::string_welder_multiple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests welder
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test src/lib.rs - Welder<G, T>::elems_no_glue (line 130) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G, T>::elem (line 160) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G, T>::new (line 45) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G, T>::with_start (line 65) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G, T>::elems_glue_right (line 230) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G, T>::elem_glue_left (line 256) ... ok
[INFO] [stdout] test src/lib.rs -  (line 19) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G, T>::elem_glue_both (line 305) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G, T>::weld (line 88) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G, T>::elem_no_glue (line 107) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G, T>::elem_glue_right (line 206) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G, T>::elems (line 184) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G, T>::elems_glue_left (line 280) ... ok
[INFO] [stdout] test src/lib.rs - Welder<G, T>::elems_glue_both (line 330) ... ok
[INFO] [stdout] test src/lib.rs -  (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "bf7c24c8c6b536f4af1cc8c3e5c77f17add62d925af2e16d1ead1ce5cb57a32f"`
[INFO] running `"docker" "rm" "-f" "bf7c24c8c6b536f4af1cc8c3e5c77f17add62d925af2e16d1ead1ce5cb57a32f"`
[INFO] [stdout] bf7c24c8c6b536f4af1cc8c3e5c77f17add62d925af2e16d1ead1ce5cb57a32f