[INFO] fetching crate indexing 0.4.1...
[INFO] checking indexing-0.4.1 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate indexing 0.4.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate indexing 0.4.1 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate indexing 0.4.1
[INFO] finished tweaking crates.io crate indexing 0.4.1
[INFO] tweaked toml for crates.io crate indexing 0.4.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0b49e2220192a24f7a19390bb90ae61fdabd648b90b2c3b1d79e2d5cfe3699c
[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" "e0b49e2220192a24f7a19390bb90ae61fdabd648b90b2c3b1d79e2d5cfe3699c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0b49e2220192a24f7a19390bb90ae61fdabd648b90b2c3b1d79e2d5cfe3699c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0b49e2220192a24f7a19390bb90ae61fdabd648b90b2c3b1d79e2d5cfe3699c", kill_on_drop: false }`
[INFO] [stdout] e0b49e2220192a24f7a19390bb90ae61fdabd648b90b2c3b1d79e2d5cfe3699c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17096e4f55dbe1f79d37374b23c7050eb09f51e0ce6302f1ea083afdb0dd53a7
[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" "17096e4f55dbe1f79d37374b23c7050eb09f51e0ce6302f1ea083afdb0dd53a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking indexing v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]    --> src/lib.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 162 |     id: Id<'id>,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stdout] warning: unused import: `test::Bencher`
[INFO] [stdout]  --> benches/bench.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use test::Bencher;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `indexing::algorithms::*`
[INFO] [stdout]   --> benches/bench.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use indexing::algorithms::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_data_max`
[INFO] [stdout]   --> benches/bench.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn test_data_max(n: usize, max: i32) -> Vec<i32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ZIPLEN`
[INFO] [stdout]   --> benches/bench.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | const ZIPLEN: usize = 256;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `sorted`
[INFO] [stdout]   --> tests/tests.rs:89:4
[INFO] [stdout]    |
[INFO] [stdout] 89 | fn sorted<T: Clone + Ord>(v: &[T]) -> Vec<T> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `R`
[INFO] [stdout]    --> tests/tests.rs:241:1
[INFO] [stdout]     |
[INFO] [stdout] 241 | type R = Result<usize, usize>;
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assert_binary_search_ok`
[INFO] [stdout]    --> tests/tests.rs:242:4
[INFO] [stdout]     |
[INFO] [stdout] 242 | fn assert_binary_search_ok<T>(data: &[T], expected: R, result: R)
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `nonempty_proof`
[INFO] [stdout]    --> src/proof.rs:120:19
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub(crate) fn nonempty_proof(&self) -> bool where P: ProofType
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]    --> src/lib.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 162 |     id: Id<'id>,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.71s
[INFO] running `Command { std: "docker" "inspect" "17096e4f55dbe1f79d37374b23c7050eb09f51e0ce6302f1ea083afdb0dd53a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17096e4f55dbe1f79d37374b23c7050eb09f51e0ce6302f1ea083afdb0dd53a7", kill_on_drop: false }`
[INFO] [stdout] 17096e4f55dbe1f79d37374b23c7050eb09f51e0ce6302f1ea083afdb0dd53a7