[INFO] fetching crate ringbuf 0.4.8... [INFO] building ringbuf-0.4.8 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2 [INFO] extracting crate ringbuf 0.4.8 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ringbuf 0.4.8 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1c89ae6e1849959ad8c928f7b8fdc469e730d02f82a63cecebb5110cf1df602f [INFO] running `Command { std: "docker" "start" "-a" "1c89ae6e1849959ad8c928f7b8fdc469e730d02f82a63cecebb5110cf1df602f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1c89ae6e1849959ad8c928f7b8fdc469e730d02f82a63cecebb5110cf1df602f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c89ae6e1849959ad8c928f7b8fdc469e730d02f82a63cecebb5110cf1df602f", kill_on_drop: false }` [INFO] [stdout] 1c89ae6e1849959ad8c928f7b8fdc469e730d02f82a63cecebb5110cf1df602f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 70ab2ff686fc2fd04b98b66624937ba3c6c2f371cf2de49f85599d0ecc7649ec [INFO] running `Command { std: "docker" "start" "-a" "70ab2ff686fc2fd04b98b66624937ba3c6c2f371cf2de49f85599d0ecc7649ec", kill_on_drop: false }` [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 { [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 0.25s [INFO] running `Command { std: "docker" "inspect" "70ab2ff686fc2fd04b98b66624937ba3c6c2f371cf2de49f85599d0ecc7649ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "70ab2ff686fc2fd04b98b66624937ba3c6c2f371cf2de49f85599d0ecc7649ec", kill_on_drop: false }` [INFO] [stdout] 70ab2ff686fc2fd04b98b66624937ba3c6c2f371cf2de49f85599d0ecc7649ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 998d8e43d97f629ad10043d4ad06b4c5d99c6ac79cd56bb1c84b81aa99a46eeb [INFO] running `Command { std: "docker" "start" "-a" "998d8e43d97f629ad10043d4ad06b4c5d99c6ac79cd56bb1c84b81aa99a46eeb", 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 { [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: 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 { [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 3.00s [INFO] running `Command { std: "docker" "inspect" "998d8e43d97f629ad10043d4ad06b4c5d99c6ac79cd56bb1c84b81aa99a46eeb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "998d8e43d97f629ad10043d4ad06b4c5d99c6ac79cd56bb1c84b81aa99a46eeb", kill_on_drop: false }` [INFO] [stdout] 998d8e43d97f629ad10043d4ad06b4c5d99c6ac79cd56bb1c84b81aa99a46eeb