[INFO] cloning repository https://github.com/nasa-playground/language_processing_100knocks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nasa-playground/language_processing_100knocks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnasa-playground%2Flanguage_processing_100knocks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnasa-playground%2Flanguage_processing_100knocks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de639939f18309e72fa2448982ba3d947b134c76
[INFO] checking nasa-playground/language_processing_100knocks against try#6284d7b4bd27983dba388146648ab844ca7d032f for pr-152971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnasa-playground%2Flanguage_processing_100knocks" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nasa-playground/language_processing_100knocks
[INFO] finished tweaking git repo https://github.com/nasa-playground/language_processing_100knocks
[INFO] tweaked toml for git repo https://github.com/nasa-playground/language_processing_100knocks written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nasa-playground/language_processing_100knocks on toolchain 6284d7b4bd27983dba388146648ab844ca7d032f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nasa-playground/language_processing_100knocks 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" "+6284d7b4bd27983dba388146648ab844ca7d032f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking nasa-playground/language_processing_100knocks against try#6284d7b4bd27983dba388146648ab844ca7d032f for pr-152971
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnasa-playground%2Flanguage_processing_100knocks" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nasa-playground/language_processing_100knocks
[INFO] finished tweaking git repo https://github.com/nasa-playground/language_processing_100knocks
[INFO] tweaked toml for git repo https://github.com/nasa-playground/language_processing_100knocks written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nasa-playground/language_processing_100knocks on toolchain 6284d7b4bd27983dba388146648ab844ca7d032f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nasa-playground/language_processing_100knocks 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" "+6284d7b4bd27983dba388146648ab844ca7d032f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86cd86837738713e41de087a30de08140db35cb9701fa6aced0243e838100728
[INFO] running `Command { std: "docker" "start" "-a" "86cd86837738713e41de087a30de08140db35cb9701fa6aced0243e838100728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86cd86837738713e41de087a30de08140db35cb9701fa6aced0243e838100728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86cd86837738713e41de087a30de08140db35cb9701fa6aced0243e838100728", kill_on_drop: false }`
[INFO] [stdout] 86cd86837738713e41de087a30de08140db35cb9701fa6aced0243e838100728
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+6284d7b4bd27983dba388146648ab844ca7d032f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9926893b7723c6ff4759ce6196c3a295a4a1a3f80ca1b7e9d5a2d644aee7481
[INFO] running `Command { std: "docker" "start" "-a" "a9926893b7723c6ff4759ce6196c3a295a4a1a3f80ca1b7e9d5a2d644aee7481", kill_on_drop: false }`
[INFO] [stderr]     Checking language_processing_100knocks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `reverse` is never used
[INFO] [stdout]  --> src/chapter1.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn reverse(s: &str) -> String {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `pick_odd` is never used
[INFO] [stdout]  --> src/chapter1.rs:8:4
[INFO] [stdout]   |
[INFO] [stdout] 8 | fn pick_odd(s: &str) -> String {
[INFO] [stdout]   |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add_string` is never used
[INFO] [stdout]   --> src/chapter1.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn add_string(s1: &str, s2: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `word_len` is never used
[INFO] [stdout]   --> src/chapter1.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn word_len(s: &str) -> Vec<usize> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simbolo_elementare` is never used
[INFO] [stdout]   --> src/chapter1.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn simbolo_elementare(s: &str) -> HashMap<usize, String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `n_gram` is never used
[INFO] [stdout]   --> src/chapter1.rs:44:4
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn n_gram(s: &str, n: usize) -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `H` is never used
[INFO] [stdout]   --> src/chapter1.rs:50:6
[INFO] [stdout]    |
[INFO] [stdout] 50 | type H = HashSet<String>;
[INFO] [stdout]    |      ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `set` is never used
[INFO] [stdout]   --> src/chapter1.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn set(s1: &str, s2: &str) -> Vec<H> {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `template` is never used
[INFO] [stdout]   --> src/chapter1.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn template(x: &str, y: &str, z: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `chipher` is never used
[INFO] [stdout]   --> src/chapter1.rs:62:4
[INFO] [stdout]    |
[INFO] [stdout] 62 | fn chipher(s: &str) -> String {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/chapter1.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let s = "Hi He Lied Because Boron Could Not Oxidize Fluorine. New Nations Might Also Sign Peace Security Clause. Arthur King Ca...
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sets`
[INFO] [stdout]    --> src/chapter1.rs:123:9
[INFO] [stdout]     |
[INFO] [stdout] 123 |     let sets = set("paraparaparadise", "paragraph");
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_sets`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `simbolo_elementare` is never used
[INFO] [stdout]   --> src/chapter1.rs:27:4
[INFO] [stdout]    |
[INFO] [stdout] 27 | fn simbolo_elementare(s: &str) -> HashMap<usize, String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "a9926893b7723c6ff4759ce6196c3a295a4a1a3f80ca1b7e9d5a2d644aee7481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9926893b7723c6ff4759ce6196c3a295a4a1a3f80ca1b7e9d5a2d644aee7481", kill_on_drop: false }`
[INFO] [stdout] a9926893b7723c6ff4759ce6196c3a295a4a1a3f80ca1b7e9d5a2d644aee7481
