[INFO] fetching crate ringbuf 0.2.5...
[INFO] testing ringbuf-0.2.5 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate ringbuf 0.2.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ringbuf 0.2.5 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ringbuf 0.2.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ringbuf 0.2.5
[INFO] tweaked toml for crates.io crate ringbuf 0.2.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate ringbuf 0.2.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ace2a30de6c9822a0005efeda5cdb9ca297478c8f1244126c2aebfef700b742b
[INFO] running `Command { std: "docker" "start" "-a" "ace2a30de6c9822a0005efeda5cdb9ca297478c8f1244126c2aebfef700b742b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ace2a30de6c9822a0005efeda5cdb9ca297478c8f1244126c2aebfef700b742b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace2a30de6c9822a0005efeda5cdb9ca297478c8f1244126c2aebfef700b742b", kill_on_drop: false }`
[INFO] [stdout] ace2a30de6c9822a0005efeda5cdb9ca297478c8f1244126c2aebfef700b742b
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8395c751e9ab4cc80dee42615d51db3291032ad864b29cdb72d4994bac8c483c
[INFO] running `Command { std: "docker" "start" "-a" "8395c751e9ab4cc80dee42615d51db3291032ad864b29cdb72d4994bac8c483c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ringbuf v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "8395c751e9ab4cc80dee42615d51db3291032ad864b29cdb72d4994bac8c483c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8395c751e9ab4cc80dee42615d51db3291032ad864b29cdb72d4994bac8c483c", kill_on_drop: false }`
[INFO] [stdout] 8395c751e9ab4cc80dee42615d51db3291032ad864b29cdb72d4994bac8c483c
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f254cc788d6964b1202099b24feb1eacc130b46fa9c62b6ad680908a19cf514
[INFO] running `Command { std: "docker" "start" "-a" "9f254cc788d6964b1202099b24feb1eacc130b46fa9c62b6ad680908a19cf514", kill_on_drop: false }`
[INFO] [stderr]    Compiling ringbuf v0.2.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.24s
[INFO] running `Command { std: "docker" "inspect" "9f254cc788d6964b1202099b24feb1eacc130b46fa9c62b6ad680908a19cf514", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f254cc788d6964b1202099b24feb1eacc130b46fa9c62b6ad680908a19cf514", kill_on_drop: false }`
[INFO] [stdout] 9f254cc788d6964b1202099b24feb1eacc130b46fa9c62b6ad680908a19cf514
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c7040f7f6f49f35f917f46fec73fb410d7326ba3193122e59d5a04ccd7c9f390
[INFO] running `Command { std: "docker" "start" "-a" "c7040f7f6f49f35f917f46fec73fb410d7326ba3193122e59d5a04ccd7c9f390", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 35 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ringbuf-4736ac54a225a600)
[INFO] [stdout] test tests::access::discard_drop ... ok
[INFO] [stdout] test tests::access::pop_empty ... ok
[INFO] [stdout] test tests::access::pop ... ok
[INFO] [stdout] test tests::access::push_pop ... ok
[INFO] [stdout] test tests::drop::multiple_each ... ok
[INFO] [stdout] test tests::drop::push_each_test1 ... ok
[INFO] [stdout] test tests::drop::pop_each_test1 ... ok
[INFO] [stdout] test tests::drop::single ... ok
[INFO] [stdout] test tests::drop::push_each_test2 ... ok
[INFO] [stdout] test tests::access::push_return ... ok
[INFO] [stdout] test tests::multiple::for_each ... ok
[INFO] [stdout] test tests::multiple::for_each_mut ... ok
[INFO] [stdout] test tests::multiple::move_slice ... ok
[INFO] [stdout] test tests::multiple::push_pop_slice ... ok
[INFO] [stdout] test tests::multiple::move_slice_count ... ok
[INFO] [stdout] test tests::single::empty_full ... ok
[INFO] [stdout] test tests::single::pop_empty ... ok
[INFO] [stdout] test tests::single::push_pop_one ... ok
[INFO] [stdout] test tests::read_write::count ... ok
[INFO] [stdout] test tests::drop::pop_each_test2 ... ok
[INFO] [stdout] test tests::read_write::into ... ok
[INFO] [stdout] test tests::single::push ... ok
[INFO] [stdout] test tests::single::len_remaining ... ok
[INFO] [stdout] test tests::single::push_pop_all ... ok
[INFO] [stdout] test tests::single::capacity ... ok
[INFO] [stdout] test tests::read_write::from ... ok
[INFO] [stdout] test tests::access::pop_full ... ok
[INFO] [stdout] test tests::access::discard ... ok
[INFO] [stdout] test tests::access::pop_return ... ok
[INFO] [stdout] test tests::access::push ... ok
[INFO] [stdout] test tests::single::split_capacity ... ok
[INFO] [stdout] test tests::single::split_threads ... ok
[INFO] [stdout] test tests::message::push_pop_slice ... ok
[INFO] [stdout] test tests::message::read_write ... ok
[INFO] [stdout] test tests::message::read_from_write_into ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.58s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ringbuf
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.44s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c7040f7f6f49f35f917f46fec73fb410d7326ba3193122e59d5a04ccd7c9f390", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7040f7f6f49f35f917f46fec73fb410d7326ba3193122e59d5a04ccd7c9f390", kill_on_drop: false }`
[INFO] [stdout] c7040f7f6f49f35f917f46fec73fb410d7326ba3193122e59d5a04ccd7c9f390