[INFO] fetching crate ringbuf-blocking 0.1.0-rc.5...
[INFO] testing ringbuf-blocking-0.1.0-rc.5 against 1.90.0 for beta-1.91-3
[INFO] extracting crate ringbuf-blocking 0.1.0-rc.5 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate ringbuf-blocking 0.1.0-rc.5
[INFO] finished tweaking crates.io crate ringbuf-blocking 0.1.0-rc.5
[INFO] tweaked toml for crates.io crate ringbuf-blocking 0.1.0-rc.5 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ringbuf-blocking 0.1.0-rc.5 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ringbuf-blocking 0.1.0-rc.5 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ringbuf v0.4.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8e921100dcf2384774ac0e26862cd373051aab86bbd0ab998dff568649e5915
[INFO] running `Command { std: "docker" "start" "-a" "e8e921100dcf2384774ac0e26862cd373051aab86bbd0ab998dff568649e5915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8e921100dcf2384774ac0e26862cd373051aab86bbd0ab998dff568649e5915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8e921100dcf2384774ac0e26862cd373051aab86bbd0ab998dff568649e5915", kill_on_drop: false }`
[INFO] [stdout] e8e921100dcf2384774ac0e26862cd373051aab86bbd0ab998dff568649e5915
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6fcf5f430427c00885e8f9848514946878def330a6edd069b5d0c023a89c666
[INFO] running `Command { std: "docker" "start" "-a" "a6fcf5f430427c00885e8f9848514946878def330a6edd069b5d0c023a89c666", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling ringbuf v0.4.8
[INFO] [stderr]    Compiling ringbuf-blocking v0.1.0-rc.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sync.rs:40:18
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn take_iter(&self, timeout: Option<Duration>) -> TakeIter<Self> {
[INFO] [stdout]    |                  ^^^^^ the lifetime is elided here    -------------- the same lifetime is hidden 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] 40 |     fn take_iter(&self, timeout: Option<Duration>) -> TakeIter<'_, Self> {
[INFO] [stdout]    |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "a6fcf5f430427c00885e8f9848514946878def330a6edd069b5d0c023a89c666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6fcf5f430427c00885e8f9848514946878def330a6edd069b5d0c023a89c666", kill_on_drop: false }`
[INFO] [stdout] a6fcf5f430427c00885e8f9848514946878def330a6edd069b5d0c023a89c666
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 420dc7c98d93023012c646196fd4d214966c124c299ce9e320314a1b90bdaf80
[INFO] running `Command { std: "docker" "start" "-a" "420dc7c98d93023012c646196fd4d214966c124c299ce9e320314a1b90bdaf80", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sync.rs:40:18
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn take_iter(&self, timeout: Option<Duration>) -> TakeIter<Self> {
[INFO] [stdout]    |                  ^^^^^ the lifetime is elided here    -------------- the same lifetime is hidden 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] 40 |     fn take_iter(&self, timeout: Option<Duration>) -> TakeIter<'_, Self> {
[INFO] [stdout]    |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ringbuf-blocking v0.1.0-rc.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/sync.rs:40:18
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn take_iter(&self, timeout: Option<Duration>) -> TakeIter<Self> {
[INFO] [stdout]    |                  ^^^^^ the lifetime is elided here    -------------- the same lifetime is hidden 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] 40 |     fn take_iter(&self, timeout: Option<Duration>) -> TakeIter<'_, Self> {
[INFO] [stdout]    |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "420dc7c98d93023012c646196fd4d214966c124c299ce9e320314a1b90bdaf80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "420dc7c98d93023012c646196fd4d214966c124c299ce9e320314a1b90bdaf80", kill_on_drop: false }`
[INFO] [stdout] 420dc7c98d93023012c646196fd4d214966c124c299ce9e320314a1b90bdaf80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c99a97debc4d1847699500943dd4e4d1e016f3f08ff0659bbeb10745221e8d6d
[INFO] running `Command { std: "docker" "start" "-a" "c99a97debc4d1847699500943dd4e4d1e016f3f08ff0659bbeb10745221e8d6d", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/sync.rs:40:18
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn take_iter(&self, timeout: Option<Duration>) -> TakeIter<Self> {
[INFO] [stderr]    |                  ^^^^^ the lifetime is elided here    -------------- the same lifetime is hidden 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] 40 |     fn take_iter(&self, timeout: Option<Duration>) -> TakeIter<'_, Self> {
[INFO] [stderr]    |                                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: `ringbuf-blocking` (lib) generated 1 warning
[INFO] [stderr] warning: `ringbuf-blocking` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ringbuf_blocking-914ad26ea5812d7c)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::vec_all ... ok
[INFO] [stdout] test tests::slice_all ... ok
[INFO] [stdout] test tests::write_read ... ok
[INFO] [stdout] test tests::wait ... ok
[INFO] [stdout] test tests::iter_all ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ringbuf_blocking
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c99a97debc4d1847699500943dd4e4d1e016f3f08ff0659bbeb10745221e8d6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c99a97debc4d1847699500943dd4e4d1e016f3f08ff0659bbeb10745221e8d6d", kill_on_drop: false }`
[INFO] [stdout] c99a97debc4d1847699500943dd4e4d1e016f3f08ff0659bbeb10745221e8d6d