[INFO] cloning repository https://github.com/burtgulash/sirka
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/burtgulash/sirka" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fburtgulash%2Fsirka"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fburtgulash%2Fsirka'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f6cf96e074501cc6ad4294a87b136110f50780af
[INFO] checking burtgulash/sirka against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fburtgulash%2Fsirka" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/burtgulash/sirka on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/burtgulash/sirka
[INFO] finished tweaking git repo https://github.com/burtgulash/sirka
[INFO] tweaked toml for git repo https://github.com/burtgulash/sirka written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/burtgulash/sirka already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 65e77ab83a21563e4b68f30618dfe7485cdcdeb443d376249bc2fab65c00fede
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "65e77ab83a21563e4b68f30618dfe7485cdcdeb443d376249bc2fab65c00fede"`
[INFO] [stderr]     Checking sirka v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `terms_size`
[INFO] [stderr]   --> src/nutrie/read.rs:47:68
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn new(bytes: &'a [u8], dict_size: usize, root_ptr: usize, terms_size: usize) -> Self {
[INFO] [stderr]    |                                                                    ^^^^^^^^^^ help: consider prefixing with an underscore: `_terms_size`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/postings/cursor/merge/with_duplicates.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |             let mut ptrs = self.frontier.drain().collect::<Vec<_>>();
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `terms_size`
[INFO] [stderr]   --> src/nutrie/read.rs:47:68
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn new(bytes: &'a [u8], dict_size: usize, root_ptr: usize, terms_size: usize) -> Self {
[INFO] [stderr]    |                                                                    ^^^^^^^^^^ help: consider prefixing with an underscore: `_terms_size`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/postings/cursor/merge/with_duplicates.rs:77:17
[INFO] [stderr]    |
[INFO] [stderr] 77 |             let mut ptrs = self.frontier.drain().collect::<Vec<_>>();
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/bin/search.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `written_terms`
[INFO] [stderr]    --> src/bin/index.rs:116:10
[INFO] [stderr]     |
[INFO] [stderr] 116 |     let (written_terms, dict_size, root_ptr, terms_size) = create_trie(term_serial, &terms, &mut postings,
[INFO] [stderr]     |          ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_written_terms`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/bin/search.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `written_terms`
[INFO] [stderr]    --> src/bin/index.rs:116:10
[INFO] [stderr]     |
[INFO] [stderr] 116 |     let (written_terms, dict_size, root_ptr, terms_size) = create_trie(term_serial, &terms, &mut postings,
[INFO] [stderr]     |          ^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_written_terms`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.80s
[INFO] running `"docker" "inspect" "65e77ab83a21563e4b68f30618dfe7485cdcdeb443d376249bc2fab65c00fede"`
[INFO] running `"docker" "rm" "-f" "65e77ab83a21563e4b68f30618dfe7485cdcdeb443d376249bc2fab65c00fede"`
[INFO] [stdout] 65e77ab83a21563e4b68f30618dfe7485cdcdeb443d376249bc2fab65c00fede