[INFO] fetching crate elias_fano_rust 0.1.1...
[INFO] testing elias_fano_rust-0.1.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate elias_fano_rust 0.1.1 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate elias_fano_rust 0.1.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate elias_fano_rust 0.1.1
[INFO] finished tweaking crates.io crate elias_fano_rust 0.1.1
[INFO] tweaked toml for crates.io crate elias_fano_rust 0.1.1 written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd5207e02d1f0df5c9f2fa171ea5b5507393abbef028c170b8f99bccfccc663d
[INFO] running `Command { std: "docker" "start" "-a" "fd5207e02d1f0df5c9f2fa171ea5b5507393abbef028c170b8f99bccfccc663d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd5207e02d1f0df5c9f2fa171ea5b5507393abbef028c170b8f99bccfccc663d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd5207e02d1f0df5c9f2fa171ea5b5507393abbef028c170b8f99bccfccc663d", kill_on_drop: false }`
[INFO] [stdout] fd5207e02d1f0df5c9f2fa171ea5b5507393abbef028c170b8f99bccfccc663d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ffb6e9eb440e0b7a67c3a90efea1bd8f597f619e876f933c3d3813612ab4d58
[INFO] running `Command { std: "docker" "start" "-a" "8ffb6e9eb440e0b7a67c3a90efea1bd8f597f619e876f933c3d3813612ab4d58", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.2
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling elias_fano_rust v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: glob import doesn't reexport anything because no candidate is public enough
[INFO] [stdout]  --> src/lib.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use low_bits_primitives::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Producer`, `bridge_unindexed`, `bridge`
[INFO] [stdout]  --> src/simple_select/iter_double_ended.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     bridge_unindexed, 
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     UnindexedProducer,
[INFO] [stdout] 7 |     bridge,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 8 |     Producer,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IndexedParallelIterator`, `ParallelIterator`
[INFO] [stdout]  --> src/getters.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rayon::iter::{ParallelIterator, IndexedParallelIterator};
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude::*`
[INFO] [stdout]  --> src/getters.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Range`
[INFO] [stdout]  --> src/getters.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::Range;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Range`
[INFO] [stdout]  --> src/par_iter.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::ops::Range;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]  --> src/simple_select/iter_double_ended.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unsafe_write`
[INFO] [stdout]   --> src/low_bits_primitives.rs:65:15
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub(crate) fn unsafe_write(array: &mut Vec<u64>, index: u64, value: u64, value_size: u64) {
[INFO] [stdout]    |               ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unsafe_read`
[INFO] [stdout]   --> src/low_bits_primitives.rs:81:15
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub(crate) fn unsafe_read(array: &[u64], index: u64, value_size: u64) -> u64 {
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(core_intrinsics)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `elias_fano_rust` due to 2 previous errors; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8ffb6e9eb440e0b7a67c3a90efea1bd8f597f619e876f933c3d3813612ab4d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ffb6e9eb440e0b7a67c3a90efea1bd8f597f619e876f933c3d3813612ab4d58", kill_on_drop: false }`
[INFO] [stdout] 8ffb6e9eb440e0b7a67c3a90efea1bd8f597f619e876f933c3d3813612ab4d58