[INFO] cloning repository https://github.com/bavadim/semanticsearch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bavadim/semanticsearch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbavadim%2Fsemanticsearch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbavadim%2Fsemanticsearch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13f579983f4e9ff0b5829285df86e72ae69813d7
[INFO] testing bavadim/semanticsearch against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbavadim%2Fsemanticsearch" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bavadim/semanticsearch on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bavadim/semanticsearch
[INFO] finished tweaking git repo https://github.com/bavadim/semanticsearch
[INFO] tweaked toml for git repo https://github.com/bavadim/semanticsearch written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/bavadim/semanticsearch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc67086248fb56492eb54249ad97e673c3a8906f5735d75b55684197f8f5a717
[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" "bc67086248fb56492eb54249ad97e673c3a8906f5735d75b55684197f8f5a717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc67086248fb56492eb54249ad97e673c3a8906f5735d75b55684197f8f5a717", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc67086248fb56492eb54249ad97e673c3a8906f5735d75b55684197f8f5a717", kill_on_drop: false }`
[INFO] [stdout] bc67086248fb56492eb54249ad97e673c3a8906f5735d75b55684197f8f5a717
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e9b6e96942ec647185ccdd432f41f071e282727ca8d6e22f7a993a8fc3856090
[INFO] running `Command { std: "docker" "start" "-a" "e9b6e96942ec647185ccdd432f41f071e282727ca8d6e22f7a993a8fc3856090", kill_on_drop: false }`
[INFO] [stderr]    Compiling semanticdb v1.56.0-nightly (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::vec::Vec`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `n` found for mutable reference `&mut BTree<K>` in the current scope
[INFO] [stdout]   --> src/main.rs:59:76
[INFO] [stdout]    |
[INFO] [stdout] 59 |         let i = keys.iter().position(|k| key <= *k).unwrap_or_else(|| self.n());
[INFO] [stdout]    |                                                                            ^ method not found in `&mut BTree<K>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `n` found for mutable reference `&mut BTree<K>` in the current scope
[INFO] [stdout]   --> src/main.rs:61:22
[INFO] [stdout]    |
[INFO] [stdout] 61 |         if (i < self.n()) && (key == keys[i]) {
[INFO] [stdout]    |                      ^ method not found in `&mut BTree<K>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `n` on type `BTree<K>`
[INFO] [stdout]    --> src/main.rs:108:22
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 (*y).n = t - 1;
[INFO] [stdout]     |                      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `semanticdb` due to 4 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e9b6e96942ec647185ccdd432f41f071e282727ca8d6e22f7a993a8fc3856090", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9b6e96942ec647185ccdd432f41f071e282727ca8d6e22f7a993a8fc3856090", kill_on_drop: false }`
[INFO] [stdout] e9b6e96942ec647185ccdd432f41f071e282727ca8d6e22f7a993a8fc3856090