[INFO] fetching crate fast_text 0.1.2...
[INFO] checking fast_text-0.1.2 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate fast_text 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate fast_text 0.1.2 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 798b1ef3b7526447459a5e6d3fd5dd803a76b3f1adb75f52aa899c0adccb44ed
[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" "798b1ef3b7526447459a5e6d3fd5dd803a76b3f1adb75f52aa899c0adccb44ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "798b1ef3b7526447459a5e6d3fd5dd803a76b3f1adb75f52aa899c0adccb44ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "798b1ef3b7526447459a5e6d3fd5dd803a76b3f1adb75f52aa899c0adccb44ed", kill_on_drop: false }`
[INFO] [stdout] 798b1ef3b7526447459a5e6d3fd5dd803a76b3f1adb75f52aa899c0adccb44ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e33cbf72cb09aa39d5ccdfeb061dcd8e4a734097ac72bf606bc4fc4e4a4b6eaa
[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" "e33cbf72cb09aa39d5ccdfeb061dcd8e4a734097ac72bf606bc4fc4e4a4b6eaa", kill_on_drop: false }`
[INFO] [stderr]     Checking cute v0.3.0
[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] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/lib.rs:493:5
[INFO] [stdout]     |
[INFO] [stdout] 492 |     unimplemented!();
[INFO] [stdout]     |     ----------------- any code following this expression is unreachable
[INFO] [stdout] 493 |     let cmd = s("echo \"") + analogies + "\" | ./fasttext analogies " + model + " " + &k.to_string();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `analogies`
[INFO] [stdout]    --> src/lib.rs:491:18
[INFO] [stdout]     |
[INFO] [stdout] 491 | pub fn analogies(analogies: &str, model: &str, k: u32) -> Vec<Vec<(String, f64)>> {
[INFO] [stdout]     |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_analogies`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `model`
[INFO] [stdout]    --> src/lib.rs:491:35
[INFO] [stdout]     |
[INFO] [stdout] 491 | pub fn analogies(analogies: &str, model: &str, k: u32) -> Vec<Vec<(String, f64)>> {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_model`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/lib.rs:491:48
[INFO] [stdout]     |
[INFO] [stdout] 491 | pub fn analogies(analogies: &str, model: &str, k: u32) -> Vec<Vec<(String, f64)>> {
[INFO] [stdout]     |                                                ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]    --> src/lib.rs:493:5
[INFO] [stdout]     |
[INFO] [stdout] 492 |     unimplemented!();
[INFO] [stdout]     |     ----------------- any code following this expression is unreachable
[INFO] [stdout] 493 |     let cmd = s("echo \"") + analogies + "\" | ./fasttext analogies " + model + " " + &k.to_string();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `analogies`
[INFO] [stdout]    --> src/lib.rs:491:18
[INFO] [stdout]     |
[INFO] [stdout] 491 | pub fn analogies(analogies: &str, model: &str, k: u32) -> Vec<Vec<(String, f64)>> {
[INFO] [stdout]     |                  ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_analogies`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `model`
[INFO] [stdout]    --> src/lib.rs:491:35
[INFO] [stdout]     |
[INFO] [stdout] 491 | pub fn analogies(analogies: &str, model: &str, k: u32) -> Vec<Vec<(String, f64)>> {
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_model`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> src/lib.rs:491:48
[INFO] [stdout]     |
[INFO] [stdout] 491 | pub fn analogies(analogies: &str, model: &str, k: u32) -> Vec<Vec<(String, f64)>> {
[INFO] [stdout]     |                                                ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e33cbf72cb09aa39d5ccdfeb061dcd8e4a734097ac72bf606bc4fc4e4a4b6eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e33cbf72cb09aa39d5ccdfeb061dcd8e4a734097ac72bf606bc4fc4e4a4b6eaa", kill_on_drop: false }`
[INFO] [stdout] e33cbf72cb09aa39d5ccdfeb061dcd8e4a734097ac72bf606bc4fc4e4a4b6eaa