[INFO] fetching crate redox-buffer-pool 0.5.1...
[INFO] building redox-buffer-pool-0.5.1 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate redox-buffer-pool 0.5.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate redox-buffer-pool 0.5.1 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate redox-buffer-pool 0.5.1
[INFO] finished tweaking crates.io crate redox-buffer-pool 0.5.1
[INFO] tweaked toml for crates.io crate redox-buffer-pool 0.5.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f4234174a3d64a27e190c7799af7ad345199824b5d5319fd2b0211ffe9ad53c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9f4234174a3d64a27e190c7799af7ad345199824b5d5319fd2b0211ffe9ad53c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f4234174a3d64a27e190c7799af7ad345199824b5d5319fd2b0211ffe9ad53c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f4234174a3d64a27e190c7799af7ad345199824b5d5319fd2b0211ffe9ad53c", kill_on_drop: false }`
[INFO] [stdout] 9f4234174a3d64a27e190c7799af7ad345199824b5d5319fd2b0211ffe9ad53c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14045ddaaffbfa571fbf9b3d9aed5839512e8d008036ddbbe853adad5f1b3876
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "14045ddaaffbfa571fbf9b3d9aed5839512e8d008036ddbbe853adad5f1b3876", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling guard-trait v0.4.1
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling redox-buffer-pool v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `expect_none` found for enum `Option<Size<I>>` in the current scope
[INFO] [stdout]    --> src/lib.rs:857:14
[INFO] [stdout]     |
[INFO] [stdout] 857 |             .expect_none("expected newly-acquired slice not to conflict with any existing one");
[INFO] [stdout]     |              ^^^^^^^^^^^ method not found in `Option<Size<I>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `expect_none` found for enum `Option<Size<I>>` in the current scope
[INFO] [stdout]     --> src/lib.rs:1277:18
[INFO] [stdout]      |
[INFO] [stdout] 1277 |                 .expect_none("expected new entry not to already be inserted");
[INFO] [stdout]      |                  ^^^^^^^^^^^ method not found in `Option<Size<I>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap_none` found for enum `Option<Size<I>>` in the current scope
[INFO] [stdout]     --> src/lib.rs:1609:54
[INFO] [stdout]      |
[INFO] [stdout] 1609 |         occ_write_guard.insert(new_occ_k, new_occ_v).unwrap_none();
[INFO] [stdout]      |                                                      ^^^^^^^^^^^ help: there is an associated function with a similar name: `unwrap_or`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `redox-buffer-pool`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "14045ddaaffbfa571fbf9b3d9aed5839512e8d008036ddbbe853adad5f1b3876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14045ddaaffbfa571fbf9b3d9aed5839512e8d008036ddbbe853adad5f1b3876", kill_on_drop: false }`
[INFO] [stdout] 14045ddaaffbfa571fbf9b3d9aed5839512e8d008036ddbbe853adad5f1b3876
