[INFO] fetching crate ringbuf 0.4.8...
[INFO] testing ringbuf-0.4.8 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate ringbuf 0.4.8 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate ringbuf 0.4.8
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ringbuf 0.4.8
[INFO] tweaked toml for crates.io crate ringbuf 0.4.8 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ringbuf 0.4.8 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ringbuf 0.4.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 891b78cebd285166a72b99b32c4997638c83bceace30a2e17ff2408403a12b76
[INFO] running `Command { std: "docker" "start" "-a" "891b78cebd285166a72b99b32c4997638c83bceace30a2e17ff2408403a12b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "891b78cebd285166a72b99b32c4997638c83bceace30a2e17ff2408403a12b76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "891b78cebd285166a72b99b32c4997638c83bceace30a2e17ff2408403a12b76", kill_on_drop: false }`
[INFO] [stdout] 891b78cebd285166a72b99b32c4997638c83bceace30a2e17ff2408403a12b76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11f29e39b23edfb55619adfc9e9e5a0c6aca41de4a44f2ed521a75eaba2549c8
[INFO] running `Command { std: "docker" "start" "-a" "11f29e39b23edfb55619adfc9e9e5a0c6aca41de4a44f2ed521a75eaba2549c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling ringbuf v0.4.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/traits/consumer.rs:188:17
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn pop_iter(&mut self) -> PopIter<Self> {
[INFO] [stdout]     |                 ^^^^^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn pop_iter(&mut self) -> PopIter<'_, Self> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "11f29e39b23edfb55619adfc9e9e5a0c6aca41de4a44f2ed521a75eaba2549c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11f29e39b23edfb55619adfc9e9e5a0c6aca41de4a44f2ed521a75eaba2549c8", kill_on_drop: false }`
[INFO] [stdout] 11f29e39b23edfb55619adfc9e9e5a0c6aca41de4a44f2ed521a75eaba2549c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4b9457c91da75b6d94c3b5a27fd5def9d8b63e7077f50a963eb0eabe43f6ad5
[INFO] running `Command { std: "docker" "start" "-a" "b4b9457c91da75b6d94c3b5a27fd5def9d8b63e7077f50a963eb0eabe43f6ad5", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock-free-static v0.2.1
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/traits/consumer.rs:188:17
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn pop_iter(&mut self) -> PopIter<Self> {
[INFO] [stdout]     |                 ^^^^^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn pop_iter(&mut self) -> PopIter<'_, Self> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ringbuf v0.4.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]   --> examples/test_ordering.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 i += 1;
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/traits/consumer.rs:188:17
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn pop_iter(&mut self) -> PopIter<Self> {
[INFO] [stdout]     |                 ^^^^^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 188 |     fn pop_iter(&mut self) -> PopIter<'_, Self> {
[INFO] [stdout]     |                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `Command { std: "docker" "inspect" "b4b9457c91da75b6d94c3b5a27fd5def9d8b63e7077f50a963eb0eabe43f6ad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4b9457c91da75b6d94c3b5a27fd5def9d8b63e7077f50a963eb0eabe43f6ad5", kill_on_drop: false }`
[INFO] [stdout] b4b9457c91da75b6d94c3b5a27fd5def9d8b63e7077f50a963eb0eabe43f6ad5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e3b6e871bb484021f9b2bf27782fefc49e8f1db8248d57c29b29012d9ac63a0
[INFO] running `Command { std: "docker" "start" "-a" "0e3b6e871bb484021f9b2bf27782fefc49e8f1db8248d57c29b29012d9ac63a0", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/traits/consumer.rs:188:17
[INFO] [stderr]     |
[INFO] [stderr] 188 |     fn pop_iter(&mut self) -> PopIter<Self> {
[INFO] [stderr]     |                 ^^^^^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 188 |     fn pop_iter(&mut self) -> PopIter<'_, Self> {
[INFO] [stderr]     |                                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: `ringbuf` (lib) generated 1 warning (run `cargo fix --lib -p ringbuf` to apply 1 suggestion)
[INFO] [stderr] warning: value assigned to `i` is never read
[INFO] [stderr]   --> examples/test_ordering.rs:21:17
[INFO] [stderr]    |
[INFO] [stderr] 21 |                 i += 1;
[INFO] [stderr]    |                 ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ringbuf` (example "test_ordering") generated 1 warning
[INFO] [stderr] warning: `ringbuf` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ringbuf-c2ce7bce028a9bca)
[INFO] [stdout] 
[INFO] [stdout] running 53 tests
[INFO] [stdout] test tests::access::pop_empty ... ok
[INFO] [stdout] test tests::access::push_return ... ok
[INFO] [stdout] test tests::access::push_pop ... ok
[INFO] [stdout] test tests::access::try_pop ... ok
[INFO] [stdout] test tests::access::try_push ... ok
[INFO] [stdout] test tests::basic::capacity ... ok
[INFO] [stdout] test tests::basic::empty_full ... ok
[INFO] [stdout] test tests::basic::len_remaining ... ok
[INFO] [stdout] test tests::basic::push_pop_all ... ok
[INFO] [stdout] test tests::basic::pop_empty ... ok
[INFO] [stdout] test tests::basic::push_pop_one ... ok
[INFO] [stdout] test tests::basic::split_capacity ... ok
[INFO] [stdout] test tests::access::pop_full ... ok
[INFO] [stdout] test tests::drop::transaction ... ok
[INFO] [stdout] test tests::drop::single ... ok
[INFO] [stdout] test tests::basic::try_push ... ok
[INFO] [stdout] test tests::access::pop_return ... ok
[INFO] [stdout] test tests::fmt_write::write_overflow ... ok
[INFO] [stdout] test tests::frozen::discard ... ok
[INFO] [stdout] test tests::frozen::consumer ... ok
[INFO] [stdout] test tests::frozen::producer ... ok
[INFO] [stdout] test tests::hold::manually_hold_and_drop ... ok
[INFO] [stdout] test tests::init::from_array ... ok
[INFO] [stdout] test tests::init::from_vec ... ok
[INFO] [stdout] test tests::init::from_boxed_slice ... ok
[INFO] [stdout] test tests::init::new ... ok
[INFO] [stdout] test tests::hold::split_and_drop ... ok
[INFO] [stdout] test tests::iter::iter ... ok
[INFO] [stdout] test tests::iter::pop_iter ... ok
[INFO] [stdout] test tests::iter::push_pop_iter_partial ... ok
[INFO] [stdout] test tests::overwrite::push ... ok
[INFO] [stdout] test tests::iter::iter_mut ... ok
[INFO] [stdout] test tests::overwrite::push_iter ... ok
[INFO] [stdout] test tests::read_write::count ... ok
[INFO] [stdout] test tests::read_write::from ... ok
[INFO] [stdout] test tests::read_write::into ... ok
[INFO] [stdout] test tests::read_write::read_from ... ok
[INFO] [stdout] test tests::overwrite::push_slice ... ok
[INFO] [stdout] test tests::skip::skip ... ok
[INFO] [stdout] test tests::new::from_vec ... ok
[INFO] [stdout] test tests::new::new_static ... ok
[INFO] [stdout] test tests::slice::move_slice ... ok
[INFO] [stdout] test tests::slice::move_slice_count ... ok
[INFO] [stdout] test tests::slice::push_pop_slice ... ok
[INFO] [stdout] test tests::skip::skip_drop ... ok
[INFO] [stdout] test tests::unsized_::capacity ... ok
[INFO] [stdout] test tests::unsized_::push_pop ... ok
[INFO] [stdout] test tests::unsized_::split ... ok
[INFO] [stdout] test tests::zero_sized::basic ... ok
[INFO] [stdout] test tests::shared::concurrent ... ok
[INFO] [stdout] test tests::hold::hold_conflict - should panic ... ok
[INFO] [stdout] test tests::fmt_write::write ... ok
[INFO] [stdout] test tests::shared::non_sync ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 53 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ringbuf
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 56) ... ok
[INFO] [stdout] test src/traits/consumer.rs - traits::consumer::Consumer::skip (line 214) ... ok
[INFO] [stdout] test src/lib.rs - (line 75) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] test src/rb/shared.rs - rb::shared::SharedRb (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.81s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0e3b6e871bb484021f9b2bf27782fefc49e8f1db8248d57c29b29012d9ac63a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e3b6e871bb484021f9b2bf27782fefc49e8f1db8248d57c29b29012d9ac63a0", kill_on_drop: false }`
[INFO] [stdout] 0e3b6e871bb484021f9b2bf27782fefc49e8f1db8248d57c29b29012d9ac63a0
