[INFO] cloning repository https://github.com/anookinov-training-ground/rust_lifetimes [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anookinov-training-ground/rust_lifetimes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanookinov-training-ground%2Frust_lifetimes", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanookinov-training-ground%2Frust_lifetimes'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 10c0a615ceb33e8d06e24aceab4ac0846ca18c6b [INFO] checking anookinov-training-ground/rust_lifetimes/10c0a615ceb33e8d06e24aceab4ac0846ca18c6b against try#2277c63fa464d237b17b68d3b87f9fbb89e58a3e for pr-133570 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanookinov-training-ground%2Frust_lifetimes" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/anookinov-training-ground/rust_lifetimes on toolchain 2277c63fa464d237b17b68d3b87f9fbb89e58a3e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/anookinov-training-ground/rust_lifetimes [INFO] finished tweaking git repo https://github.com/anookinov-training-ground/rust_lifetimes [INFO] tweaked toml for git repo https://github.com/anookinov-training-ground/rust_lifetimes written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/anookinov-training-ground/rust_lifetimes 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" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c65f6f054d2dfaae34ea3919df3fb246a638bed311504314441a8076c4cf8454 [INFO] running `Command { std: "docker" "start" "-a" "c65f6f054d2dfaae34ea3919df3fb246a638bed311504314441a8076c4cf8454", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c65f6f054d2dfaae34ea3919df3fb246a638bed311504314441a8076c4cf8454", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c65f6f054d2dfaae34ea3919df3fb246a638bed311504314441a8076c4cf8454", kill_on_drop: false }` [INFO] [stdout] c65f6f054d2dfaae34ea3919df3fb246a638bed311504314441a8076c4cf8454 [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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7d79fdc7c092cc5c1ab5f4fa537bb0de717a835afde969eb32456fb22c1f8280 [INFO] running `Command { std: "docker" "start" "-a" "7d79fdc7c092cc5c1ab5f4fa537bb0de717a835afde969eb32456fb22c1f8280", kill_on_drop: false }` [INFO] [stderr] Checking lifetimes v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:123:30 [INFO] [stdout] | [INFO] [stdout] 123 | fn longest_x<'a>(x: &'a str, y: &str) -> &'a str { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:123:30 [INFO] [stdout] | [INFO] [stdout] 123 | fn longest_x<'a>(x: &'a str, y: &str) -> &'a str { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `part` is never read [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct ImportantExcerpt<'a> { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 3 | part: &'a str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ImportantExcerpt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `first_word_pre` is never used [INFO] [stdout] --> src/main.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn first_word_pre<'a>(s: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `first_word` is never used [INFO] [stdout] --> src/main.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn first_word(s: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `level` and `annouce_and_return_part` are never used [INFO] [stdout] --> src/main.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 38 | impl<'a> ImportantExcerpt<'a> { [INFO] [stdout] | ----------------------------- methods in this implementation [INFO] [stdout] 39 | fn level(&self) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | fn annouce_and_return_part(&self, annoucement: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest_with_an_annoucement` is never used [INFO] [stdout] --> src/main.rs:52:4 [INFO] [stdout] | [INFO] [stdout] 52 | fn longest_with_an_annoucement<'a, T>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest_x` is never used [INFO] [stdout] --> src/main.rs:123:4 [INFO] [stdout] | [INFO] [stdout] 123 | fn longest_x<'a>(x: &'a str, y: &str) -> &'a str { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `part` is never read [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 2 | struct ImportantExcerpt<'a> { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 3 | part: &'a str, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ImportantExcerpt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `first_word_pre` is never used [INFO] [stdout] --> src/main.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn first_word_pre<'a>(s: &'a str) -> &'a str { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `first_word` is never used [INFO] [stdout] --> src/main.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn first_word(s: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `level` and `annouce_and_return_part` are never used [INFO] [stdout] --> src/main.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 38 | impl<'a> ImportantExcerpt<'a> { [INFO] [stdout] | ----------------------------- methods in this implementation [INFO] [stdout] 39 | fn level(&self) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 43 | fn annouce_and_return_part(&self, annoucement: &str) -> &str { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest_with_an_annoucement` is never used [INFO] [stdout] --> src/main.rs:52:4 [INFO] [stdout] | [INFO] [stdout] 52 | fn longest_with_an_annoucement<'a, T>( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `longest_x` is never used [INFO] [stdout] --> src/main.rs:123:4 [INFO] [stdout] | [INFO] [stdout] 123 | fn longest_x<'a>(x: &'a str, y: &str) -> &'a str { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] running `Command { std: "docker" "inspect" "7d79fdc7c092cc5c1ab5f4fa537bb0de717a835afde969eb32456fb22c1f8280", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d79fdc7c092cc5c1ab5f4fa537bb0de717a835afde969eb32456fb22c1f8280", kill_on_drop: false }` [INFO] [stdout] 7d79fdc7c092cc5c1ab5f4fa537bb0de717a835afde969eb32456fb22c1f8280