[INFO] fetching crate indexing 0.4.0...
[INFO] checking indexing-0.4.0 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate indexing 0.4.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate indexing 0.4.0 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate indexing 0.4.0
[INFO] finished tweaking crates.io crate indexing 0.4.0
[INFO] tweaked toml for crates.io crate indexing 0.4.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 64da5b29c4f844cd2200ba4b6a61ba4fedfeaa85dfdf08ac80bec3d9a6b43f5c
[INFO] running `"docker" "start" "-a" "64da5b29c4f844cd2200ba4b6a61ba4fedfeaa85dfdf08ac80bec3d9a6b43f5c"`
[INFO] [stderr]     Checking indexing v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking quickcheck v0.9.0
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/proof.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Container`
[INFO] [stderr]    --> src/algorithms.rs:748:5
[INFO] [stderr]     |
[INFO] [stderr] 748 | use crate::Container;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Unknown`
[INFO] [stderr]    --> src/algorithms.rs:749:5
[INFO] [stderr]     |
[INFO] [stderr] 749 | use crate::Unknown;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::proof::Provable`
[INFO] [stderr]    --> src/algorithms.rs:750:5
[INFO] [stderr]     |
[INFO] [stderr] 750 | use crate::proof::Provable;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `id`
[INFO] [stderr]    --> src/lib.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr] 162 |     id: Id<'id>,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/proof.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Container`
[INFO] [stderr]    --> src/algorithms.rs:748:5
[INFO] [stderr]     |
[INFO] [stderr] 748 | use crate::Container;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::Unknown`
[INFO] [stderr]    --> src/algorithms.rs:749:5
[INFO] [stderr]     |
[INFO] [stderr] 749 | use crate::Unknown;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::proof::Provable`
[INFO] [stderr]    --> src/algorithms.rs:750:5
[INFO] [stderr]     |
[INFO] [stderr] 750 | use crate::proof::Provable;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `test::Bencher`
[INFO] [stderr]  --> benches/bench.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use test::Bencher;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `indexing::algorithms::*`
[INFO] [stderr]   --> benches/bench.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use indexing::algorithms::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_data_max`
[INFO] [stderr]   --> benches/bench.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn test_data_max(n: usize, max: i32) -> Vec<i32> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `ZIPLEN`
[INFO] [stderr]   --> benches/bench.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | const ZIPLEN: usize = 256;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sorted`
[INFO] [stderr]   --> tests/tests.rs:89:1
[INFO] [stderr]    |
[INFO] [stderr] 89 | fn sorted<T: Clone + Ord>(v: &[T]) -> Vec<T> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `R`
[INFO] [stderr]    --> tests/tests.rs:241:1
[INFO] [stderr]     |
[INFO] [stderr] 241 | type R = Result<usize, usize>;
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `assert_binary_search_ok`
[INFO] [stderr]    --> tests/tests.rs:242:1
[INFO] [stderr]     |
[INFO] [stderr] 242 | / fn assert_binary_search_ok<T>(data: &[T], expected: R, result: R)
[INFO] [stderr] 243 | |     where T: Debug + Ord
[INFO] [stderr] 244 | | {
[INFO] [stderr] 245 | |     if let (Ok(i), Ok(j)) = (expected, result) {
[INFO] [stderr] ...   |
[INFO] [stderr] 249 | |     }
[INFO] [stderr] 250 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `nonempty_proof`
[INFO] [stderr]    --> src/proof.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub(crate) fn nonempty_proof(&self) -> bool where P: ProofType
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `id`
[INFO] [stderr]    --> src/lib.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr] 162 |     id: Id<'id>,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.94s
[INFO] running `"docker" "inspect" "64da5b29c4f844cd2200ba4b6a61ba4fedfeaa85dfdf08ac80bec3d9a6b43f5c"`
[INFO] running `"docker" "rm" "-f" "64da5b29c4f844cd2200ba4b6a61ba4fedfeaa85dfdf08ac80bec3d9a6b43f5c"`
[INFO] [stdout] 64da5b29c4f844cd2200ba4b6a61ba4fedfeaa85dfdf08ac80bec3d9a6b43f5c