[INFO] cloning repository https://github.com/thTs0ustas/rust_course [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thTs0ustas/rust_course" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FthTs0ustas%2Frust_course", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FthTs0ustas%2Frust_course'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e8c8592f31edd7ea1360e597880c3ab56417d36a [INFO] checking thTs0ustas/rust_course against try#38c2997544af84fe301d600d6896397738163002 for pr-154205-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FthTs0ustas%2Frust_course" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/thTs0ustas/rust_course [INFO] finished tweaking git repo https://github.com/thTs0ustas/rust_course [INFO] tweaked toml for git repo https://github.com/thTs0ustas/rust_course written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/thTs0ustas/rust_course on toolchain 38c2997544af84fe301d600d6896397738163002 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/thTs0ustas/rust_course 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" "+38c2997544af84fe301d600d6896397738163002" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 574fb4312547dd7f3dfac7150c475f65052e26e77de991fc2269c5a9952cb9b3 [INFO] running `Command { std: "docker" "start" "-a" "574fb4312547dd7f3dfac7150c475f65052e26e77de991fc2269c5a9952cb9b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "574fb4312547dd7f3dfac7150c475f65052e26e77de991fc2269c5a9952cb9b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "574fb4312547dd7f3dfac7150c475f65052e26e77de991fc2269c5a9952cb9b3", kill_on_drop: false }` [INFO] [stdout] 574fb4312547dd7f3dfac7150c475f65052e26e77de991fc2269c5a9952cb9b3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e0ff74b99becb0d2e6d2ced70469824d7e1c2e0231e92e95486bd2e765c8f775 [INFO] running `Command { std: "docker" "start" "-a" "e0ff74b99becb0d2e6d2ced70469824d7e1c2e0231e92e95486bd2e765c8f775", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.87 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.79 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rust_course v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] [FMTARGS] {"crate":"rust_course","loc":"src/iterators/iterator_fn.rs:2:37","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16} [INFO] [stderr] [FMTARGS] {"crate":"rust_course","loc":"src/main.rs:30:13","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16} [INFO] [stderr] [FMTARGS] {"crate":"rust_course","loc":"src/iterators/iterator_fn.rs:2:37","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16} [INFO] [stderr] [FMTARGS] {"crate":"rust_course","loc":"src/main.rs:30:13","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16} [INFO] [stdout] warning: function `move_elements` is never used [INFO] [stdout] --> src/iterators/iterator_fn.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn move_elements(list: Vec, destination: &mut Vec) { [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 `explode` is never used [INFO] [stdout] --> src/iterators/iterator_fn.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn explode(list: &[String]) -> Vec> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_element_or` is never used [INFO] [stdout] --> src/iterators/iterator_fn.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn find_element_or(list: &[String], pattern: &str, fallback: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `last_language` is never used [INFO] [stdout] --> src/lifetimes/lifetimes_examples.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn last_language(languages: &[String]) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest_language` is never used [INFO] [stdout] --> src/lifetimes/lifetimes_examples.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn longest_language<'a>(lang_1: &'a str, lang_2: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `move_elements` is never used [INFO] [stdout] --> src/iterators/iterator_fn.rs:13:8 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn move_elements(list: Vec, destination: &mut Vec) { [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 `explode` is never used [INFO] [stdout] --> src/iterators/iterator_fn.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn explode(list: &[String]) -> Vec> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_element_or` is never used [INFO] [stdout] --> src/iterators/iterator_fn.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | pub fn find_element_or(list: &[String], pattern: &str, fallback: String) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `last_language` is never used [INFO] [stdout] --> src/lifetimes/lifetimes_examples.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn last_language(languages: &[String]) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest_language` is never used [INFO] [stdout] --> src/lifetimes/lifetimes_examples.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 21 | pub fn longest_language<'a>(lang_1: &'a str, lang_2: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.58s [INFO] running `Command { std: "docker" "inspect" "e0ff74b99becb0d2e6d2ced70469824d7e1c2e0231e92e95486bd2e765c8f775", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0ff74b99becb0d2e6d2ced70469824d7e1c2e0231e92e95486bd2e765c8f775", kill_on_drop: false }` [INFO] [stdout] e0ff74b99becb0d2e6d2ced70469824d7e1c2e0231e92e95486bd2e765c8f775