[INFO] crate ringbuf 0.2.1 is already in cache
[INFO] testing ringbuf-0.2.1 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate ringbuf 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ringbuf 0.2.1 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ringbuf 0.2.1
[INFO] finished tweaking crates.io crate ringbuf 0.2.1
[INFO] tweaked toml for crates.io crate ringbuf 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate ringbuf 0.2.1 already has a lockfile, it will not be regenerated
[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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 7e67032ec11c403a2717e44beab40a8b871efb4df1b0973e3116cd9a9e1b7f72
[INFO] running `"docker" "start" "-a" "7e67032ec11c403a2717e44beab40a8b871efb4df1b0973e3116cd9a9e1b7f72"`
[INFO] [stderr]    Compiling ringbuf v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `"docker" "inspect" "7e67032ec11c403a2717e44beab40a8b871efb4df1b0973e3116cd9a9e1b7f72"`
[INFO] running `"docker" "rm" "-f" "7e67032ec11c403a2717e44beab40a8b871efb4df1b0973e3116cd9a9e1b7f72"`
[INFO] [stdout] 7e67032ec11c403a2717e44beab40a8b871efb4df1b0973e3116cd9a9e1b7f72
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 93e18d3d22f66ae32cffe3cf04e922d1278a6419121d7bc39b03e9a16341eb3e
[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" "93e18d3d22f66ae32cffe3cf04e922d1278a6419121d7bc39b03e9a16341eb3e"`
[INFO] [stderr]    Compiling ringbuf v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `"docker" "inspect" "93e18d3d22f66ae32cffe3cf04e922d1278a6419121d7bc39b03e9a16341eb3e"`
[INFO] running `"docker" "rm" "-f" "93e18d3d22f66ae32cffe3cf04e922d1278a6419121d7bc39b03e9a16341eb3e"`
[INFO] [stdout] 93e18d3d22f66ae32cffe3cf04e922d1278a6419121d7bc39b03e9a16341eb3e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 639a67172aa65ff3fea193d2032e40a9a38fac5695267a61d40d9282c5f8a771
[INFO] running `"docker" "start" "-a" "639a67172aa65ff3fea193d2032e40a9a38fac5695267a61d40d9282c5f8a771"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ringbuf-a40342c45e61b4f5
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test tests::access::push_pop ... ok
[INFO] [stdout] test tests::access::push_return ... ok
[INFO] [stdout] test tests::access::pop ... ok
[INFO] [stdout] test tests::access::pop_full ... ok
[INFO] [stdout] test tests::access::push ... ok
[INFO] [stdout] test tests::access::pop_empty ... ok
[INFO] [stdout] test tests::access::pop_return ... ok
[INFO] [stdout] test tests::drop::multiple_each ... ok
[INFO] [stdout] test tests::drop::single ... ok
[INFO] [stdout] test tests::drop::pop_each_test2 ... ok
[INFO] [stdout] test tests::drop::push_each_test2 ... ok
[INFO] [stdout] test tests::multiple::for_each_mut ... ok
[INFO] [stdout] test tests::multiple::move_slice ... ok
[INFO] [stdout] test tests::drop::pop_each_test1 ... ok
[INFO] [stdout] test tests::multiple::push_pop_slice ... ok
[INFO] [stdout] test tests::multiple::for_each ... ok
[INFO] [stdout] test tests::drop::push_each_test1 ... ok
[INFO] [stdout] test tests::multiple::move_slice_count ... ok
[INFO] [stdout] test tests::read_write::count ... ok
[INFO] [stdout] test tests::read_write::from ... ok
[INFO] [stdout] test tests::single::capacity ... ok
[INFO] [stdout] test tests::single::pop_empty ... ok
[INFO] [stdout] test tests::single::empty_full ... ok
[INFO] [stdout] test tests::single::push_pop_all ... ok
[INFO] [stdout] test tests::single::push ... ok
[INFO] [stdout] test tests::single::split_capacity ... ok
[INFO] [stdout] test tests::single::len_remaining ... ok
[INFO] [stdout] test tests::single::split_threads ... ok
[INFO] [stdout] test tests::read_write::into ... ok
[INFO] [stdout] test tests::single::push_pop_one ... ok
[INFO] [stdout] test tests::message::push_pop_slice ... ok
[INFO] [stdout] test tests::message::read_from_write_into ... ok
[INFO] [stdout] test tests::message::read_write ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ringbuf
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs -  (line 24) ... ok
[INFO] [stdout] test src/lib.rs -  (line 49) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "639a67172aa65ff3fea193d2032e40a9a38fac5695267a61d40d9282c5f8a771"`
[INFO] running `"docker" "rm" "-f" "639a67172aa65ff3fea193d2032e40a9a38fac5695267a61d40d9282c5f8a771"`
[INFO] [stdout] 639a67172aa65ff3fea193d2032e40a9a38fac5695267a61d40d9282c5f8a771