[INFO] fetching crate rsplitter 0.2.0...
[INFO] building rsplitter-0.2.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate rsplitter 0.2.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate rsplitter 0.2.0
[INFO] finished tweaking crates.io crate rsplitter 0.2.0
[INFO] tweaked toml for crates.io crate rsplitter 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rsplitter 0.2.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb233d9b4120cac9949a18c6b1a1271b08b42f7347415d3d553463bad9e78d36
[INFO] running `Command { std: "docker" "start" "-a" "bb233d9b4120cac9949a18c6b1a1271b08b42f7347415d3d553463bad9e78d36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb233d9b4120cac9949a18c6b1a1271b08b42f7347415d3d553463bad9e78d36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb233d9b4120cac9949a18c6b1a1271b08b42f7347415d3d553463bad9e78d36", kill_on_drop: false }`
[INFO] [stdout] bb233d9b4120cac9949a18c6b1a1271b08b42f7347415d3d553463bad9e78d36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cbb56294097a10189649eedb946352686c8cb6fcb539046096f2c9a1e8979ed
[INFO] running `Command { std: "docker" "start" "-a" "3cbb56294097a10189649eedb946352686c8cb6fcb539046096f2c9a1e8979ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling rsplitter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `LanguageModel` is never constructed
[INFO] [stdout]  --> src/language_model.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct LanguageModel {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `best_match`, `build_cost_array`, `lines_from_file`, `minimal_cost`, `set_cost_dict`, and `split` are never used
[INFO] [stdout]    --> src/language_model.rs:14:8
[INFO] [stdout]     |
[INFO] [stdout]  13 | impl LanguageModel {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout]  14 |     fn best_match(&mut self, i: i32, text: String, cost: Vec<f32>) -> (f32, f32) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  47 |     fn build_cost_array(&mut self, text_length: u32, text: String, cost: Vec<f32>) -> Vec<f32> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  57 |     fn lines_from_file(&mut self) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  75 |     fn minimal_cost(&mut self, text: String, cost: Vec<f32>, text_length: u32) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn set_cost_dict(&mut self) -> (HashMap<String, f32>, i32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |     pub fn split(&mut self, text: String) -> String {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "3cbb56294097a10189649eedb946352686c8cb6fcb539046096f2c9a1e8979ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cbb56294097a10189649eedb946352686c8cb6fcb539046096f2c9a1e8979ed", kill_on_drop: false }`
[INFO] [stdout] 3cbb56294097a10189649eedb946352686c8cb6fcb539046096f2c9a1e8979ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 188b8af78190343031df1a610245e2fa06c96dcecd933d1027bf42ca694ed520
[INFO] running `Command { std: "docker" "start" "-a" "188b8af78190343031df1a610245e2fa06c96dcecd933d1027bf42ca694ed520", kill_on_drop: false }`
[INFO] [stdout] warning: struct `LanguageModel` is never constructed
[INFO] [stdout]  --> src/language_model.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct LanguageModel {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `best_match`, `build_cost_array`, `lines_from_file`, `minimal_cost`, `set_cost_dict`, and `split` are never used
[INFO] [stdout]    --> src/language_model.rs:14:8
[INFO] [stdout]     |
[INFO] [stdout]  13 | impl LanguageModel {
[INFO] [stdout]     | ------------------ methods in this implementation
[INFO] [stdout]  14 |     fn best_match(&mut self, i: i32, text: String, cost: Vec<f32>) -> (f32, f32) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  47 |     fn build_cost_array(&mut self, text_length: u32, text: String, cost: Vec<f32>) -> Vec<f32> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  57 |     fn lines_from_file(&mut self) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  75 |     fn minimal_cost(&mut self, text: String, cost: Vec<f32>, text_length: u32) -> Vec<String> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn set_cost_dict(&mut self) -> (HashMap<String, f32>, i32) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |     pub fn split(&mut self, text: String) -> String {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rsplitter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "188b8af78190343031df1a610245e2fa06c96dcecd933d1027bf42ca694ed520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "188b8af78190343031df1a610245e2fa06c96dcecd933d1027bf42ca694ed520", kill_on_drop: false }`
[INFO] [stdout] 188b8af78190343031df1a610245e2fa06c96dcecd933d1027bf42ca694ed520
