[INFO] updating cached repository https://github.com/nasa-playground/language_processing_100knocks [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] de639939f18309e72fa2448982ba3d947b134c76 [INFO] checking nasa-playground/language_processing_100knocks against master#bd0bacc694d7d8175804bb6f690cb846bfa4a9ee for pr-71665 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnasa-playground%2Flanguage_processing_100knocks" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nasa-playground/language_processing_100knocks on toolchain bd0bacc694d7d8175804bb6f690cb846bfa4a9ee [INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "read-manifest" "--manifest-path" "Cargo.toml"` [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-6/source/Cargo.toml [INFO] crate git repo https://github.com/nasa-playground/language_processing_100knocks already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+bd0bacc694d7d8175804bb6f690cb846bfa4a9ee" "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] ec48ab3319ef2c70bb70ce714948cf011ff5165eeed27930b4aaf4745b5e45b0 [INFO] running `"docker" "start" "-a" "ec48ab3319ef2c70bb70ce714948cf011ff5165eeed27930b4aaf4745b5e45b0"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Checking language_processing_100knocks v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: function is never used: `reverse` [INFO] [stderr] --> src/chapter1.rs:4:4 [INFO] [stderr] | [INFO] [stderr] 4 | fn reverse(s: &str) -> String { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `pick_odd` [INFO] [stderr] --> src/chapter1.rs:8:4 [INFO] [stderr] | [INFO] [stderr] 8 | fn pick_odd(s: &str) -> String { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `add_string` [INFO] [stderr] --> src/chapter1.rs:16:4 [INFO] [stderr] | [INFO] [stderr] 16 | fn add_string(s1: &str, s2: &str) -> String { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `word_len` [INFO] [stderr] --> src/chapter1.rs:23:4 [INFO] [stderr] | [INFO] [stderr] 23 | fn word_len(s: &str) -> Vec { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `simbolo_elementare` [INFO] [stderr] --> src/chapter1.rs:27:4 [INFO] [stderr] | [INFO] [stderr] 27 | fn simbolo_elementare(s: &str) -> HashMap { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `n_gram` [INFO] [stderr] --> src/chapter1.rs:44:4 [INFO] [stderr] | [INFO] [stderr] 44 | fn n_gram(s: &str, n: usize) -> Vec { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `H` [INFO] [stderr] --> src/chapter1.rs:50:1 [INFO] [stderr] | [INFO] [stderr] 50 | type H = HashSet; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `set` [INFO] [stderr] --> src/chapter1.rs:51:4 [INFO] [stderr] | [INFO] [stderr] 51 | fn set(s1: &str, s2: &str) -> Vec { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `template` [INFO] [stderr] --> src/chapter1.rs:58:4 [INFO] [stderr] | [INFO] [stderr] 58 | fn template(x: &str, y: &str, z: &str) -> String { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `chipher` [INFO] [stderr] --> src/chapter1.rs:62:4 [INFO] [stderr] | [INFO] [stderr] 62 | fn chipher(s: &str) -> String { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/chapter1.rs:102:9 [INFO] [stderr] | [INFO] [stderr] 102 | let s = "Hi He Lied Because Boron Could Not Oxidize Fluorine. New Nations Might Also Sign Peace Security Clause. Arthur King Can."; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `sets` [INFO] [stderr] --> src/chapter1.rs:123:9 [INFO] [stderr] | [INFO] [stderr] 123 | let sets = set("paraparaparadise", "paragraph"); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_sets` [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: function is never used: `simbolo_elementare` [INFO] [stderr] --> src/chapter1.rs:27:4 [INFO] [stderr] | [INFO] [stderr] 27 | fn simbolo_elementare(s: &str) -> HashMap { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.96s [INFO] running `"docker" "inspect" "ec48ab3319ef2c70bb70ce714948cf011ff5165eeed27930b4aaf4745b5e45b0"` [INFO] running `"docker" "rm" "-f" "ec48ab3319ef2c70bb70ce714948cf011ff5165eeed27930b4aaf4745b5e45b0"` [INFO] [stdout] ec48ab3319ef2c70bb70ce714948cf011ff5165eeed27930b4aaf4745b5e45b0