[INFO] cloning repository https://github.com/0ryX/RustSearch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0ryX/RustSearch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0ryX%2FRustSearch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0ryX%2FRustSearch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8e866d39af1d88c7a27d1fec4ce7749f58e5eec
[INFO] building 0ryX/RustSearch against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0ryX%2FRustSearch" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0ryX/RustSearch on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/0ryX/RustSearch
[INFO] finished tweaking git repo https://github.com/0ryX/RustSearch
[INFO] tweaked toml for git repo https://github.com/0ryX/RustSearch written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/0ryX/RustSearch already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 886106a58681461681359d8e80314a61ba3fdc4383c04e96c438d0d8905e5872
[INFO] running `Command { std: "docker" "start" "-a" "886106a58681461681359d8e80314a61ba3fdc4383c04e96c438d0d8905e5872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "886106a58681461681359d8e80314a61ba3fdc4383c04e96c438d0d8905e5872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "886106a58681461681359d8e80314a61ba3fdc4383c04e96c438d0d8905e5872", kill_on_drop: false }`
[INFO] [stdout] 886106a58681461681359d8e80314a61ba3fdc4383c04e96c438d0d8905e5872
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75109c60b23108b1bc7a8cc681e9c99b55163a165f95beeb2efffaec812cace2
[INFO] running `Command { std: "docker" "start" "-a" "75109c60b23108b1bc7a8cc681e9c99b55163a165f95beeb2efffaec812cace2", kill_on_drop: false }`
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling RustSearch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]   --> src/main.rs:61:10
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn index(content: &str) -> HashMap<String, usize> {
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `top_n`
[INFO] [stdout]   --> src/main.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let top_n = 20;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_top_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index` is never used
[INFO] [stdout]   --> src/main.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn index(content: &str) -> HashMap<String, usize> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "75109c60b23108b1bc7a8cc681e9c99b55163a165f95beeb2efffaec812cace2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75109c60b23108b1bc7a8cc681e9c99b55163a165f95beeb2efffaec812cace2", kill_on_drop: false }`
[INFO] [stdout] 75109c60b23108b1bc7a8cc681e9c99b55163a165f95beeb2efffaec812cace2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce93227f0768071cce93c3c31a2925ff26836d15d1c5a471809db019c4d45af9
[INFO] running `Command { std: "docker" "start" "-a" "ce93227f0768071cce93c3c31a2925ff26836d15d1c5a471809db019c4d45af9", kill_on_drop: false }`
[INFO] [stderr]    Compiling RustSearch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `content`
[INFO] [stdout]   --> src/main.rs:61:10
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn index(content: &str) -> HashMap<String, usize> {
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_content`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `top_n`
[INFO] [stdout]   --> src/main.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let top_n = 20;
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_top_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `index` is never used
[INFO] [stdout]   --> src/main.rs:61:4
[INFO] [stdout]    |
[INFO] [stdout] 61 | fn index(content: &str) -> HashMap<String, usize> {
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "ce93227f0768071cce93c3c31a2925ff26836d15d1c5a471809db019c4d45af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce93227f0768071cce93c3c31a2925ff26836d15d1c5a471809db019c4d45af9", kill_on_drop: false }`
[INFO] [stdout] ce93227f0768071cce93c3c31a2925ff26836d15d1c5a471809db019c4d45af9