[INFO] crate fast_text 0.1.2 is already in cache
[INFO] checking fast_text-0.1.2 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate fast_text 0.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate fast_text 0.1.2 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fast_text 0.1.2
[INFO] finished tweaking crates.io crate fast_text 0.1.2
[INFO] tweaked toml for crates.io crate fast_text 0.1.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0a4f99d3319d1d5a3fb5388e3015cd52454b9a2bc93f2c3606984cbfa5407c23
[INFO] running `"docker" "start" "-a" "0a4f99d3319d1d5a3fb5388e3015cd52454b9a2bc93f2c3606984cbfa5407c23"`
[INFO] [stderr]     Checking cute v0.3.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking kolmogorov_smirnov v1.1.0
[INFO] [stderr]     Checking fast_text v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/lib.rs:493:5
[INFO] [stderr]     |
[INFO] [stderr] 492 |     unimplemented!();
[INFO] [stderr]     |     ----------------- any code following this expression is unreachable
[INFO] [stderr] 493 |     let cmd = s("echo \"") + analogies + "\" | ./fasttext analogies " + model + " " + &k.to_string();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `analogies`
[INFO] [stderr]    --> src/lib.rs:491:18
[INFO] [stderr]     |
[INFO] [stderr] 491 | pub fn analogies(analogies: &str, model: &str, k: u32) -> Vec<Vec<(String, f64)>> {
[INFO] [stderr]     |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_analogies`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `model`
[INFO] [stderr]    --> src/lib.rs:491:35
[INFO] [stderr]     |
[INFO] [stderr] 491 | pub fn analogies(analogies: &str, model: &str, k: u32) -> Vec<Vec<(String, f64)>> {
[INFO] [stderr]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_model`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]    --> src/lib.rs:491:48
[INFO] [stderr]     |
[INFO] [stderr] 491 | pub fn analogies(analogies: &str, model: &str, k: u32) -> Vec<Vec<(String, f64)>> {
[INFO] [stderr]     |                                                ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]    --> src/lib.rs:493:5
[INFO] [stderr]     |
[INFO] [stderr] 492 |     unimplemented!();
[INFO] [stderr]     |     ----------------- any code following this expression is unreachable
[INFO] [stderr] 493 |     let cmd = s("echo \"") + analogies + "\" | ./fasttext analogies " + model + " " + &k.to_string();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `analogies`
[INFO] [stderr]    --> src/lib.rs:491:18
[INFO] [stderr]     |
[INFO] [stderr] 491 | pub fn analogies(analogies: &str, model: &str, k: u32) -> Vec<Vec<(String, f64)>> {
[INFO] [stderr]     |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_analogies`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `model`
[INFO] [stderr]    --> src/lib.rs:491:35
[INFO] [stderr]     |
[INFO] [stderr] 491 | pub fn analogies(analogies: &str, model: &str, k: u32) -> Vec<Vec<(String, f64)>> {
[INFO] [stderr]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_model`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]    --> src/lib.rs:491:48
[INFO] [stderr]     |
[INFO] [stderr] 491 | pub fn analogies(analogies: &str, model: &str, k: u32) -> Vec<Vec<(String, f64)>> {
[INFO] [stderr]     |                                                ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `"docker" "inspect" "0a4f99d3319d1d5a3fb5388e3015cd52454b9a2bc93f2c3606984cbfa5407c23"`
[INFO] running `"docker" "rm" "-f" "0a4f99d3319d1d5a3fb5388e3015cd52454b9a2bc93f2c3606984cbfa5407c23"`
[INFO] [stdout] 0a4f99d3319d1d5a3fb5388e3015cd52454b9a2bc93f2c3606984cbfa5407c23