[INFO] cloning repository https://github.com/alfu32/linkedin-rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alfu32/linkedin-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falfu32%2Flinkedin-rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falfu32%2Flinkedin-rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1494cdba51aa38d2c5e981f8ba821d0030a9329c [INFO] checking alfu32/linkedin-rust against try#024378d9203a4009ed73d6db2681b88a8d74ce7a for pr-112160 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falfu32%2Flinkedin-rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/alfu32/linkedin-rust on toolchain 024378d9203a4009ed73d6db2681b88a8d74ce7a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/alfu32/linkedin-rust [INFO] finished tweaking git repo https://github.com/alfu32/linkedin-rust [INFO] tweaked toml for git repo https://github.com/alfu32/linkedin-rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/alfu32/linkedin-rust 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" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] db43181079f43c93e4185a8704d9ce2a0696bfb88b34bfef4424fe5380913309 [INFO] running `Command { std: "docker" "start" "-a" "db43181079f43c93e4185a8704d9ce2a0696bfb88b34bfef4424fe5380913309", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db43181079f43c93e4185a8704d9ce2a0696bfb88b34bfef4424fe5380913309", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db43181079f43c93e4185a8704d9ce2a0696bfb88b34bfef4424fe5380913309", kill_on_drop: false }` [INFO] [stdout] db43181079f43c93e4185a8704d9ce2a0696bfb88b34bfef4424fe5380913309 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+024378d9203a4009ed73d6db2681b88a8d74ce7a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a5cbe0680adbfa7ae209ba7ee0933d5e8cc38240f8fcead3981a7c98b73675e0 [INFO] running `Command { std: "docker" "start" "-a" "a5cbe0680adbfa7ae209ba7ee0933d5e8cc38240f8fcead3981a7c98b73675e0", kill_on_drop: false }` [INFO] [stderr] Checking linkedin-rust-barrons v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:104:10 [INFO] [stdout] | [INFO] [stdout] 104 | for (i, exercise) in exercises.iter().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `page_number` [INFO] [stdout] --> src/main.rs:195:17 [INFO] [stdout] | [INFO] [stdout] 195 | let page_number = 0x2600u32; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_number` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/main.rs:104:10 [INFO] [stdout] | [INFO] [stdout] 104 | for (i, exercise) in exercises.iter().enumerate() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `glove_box_2` [INFO] [stdout] --> src/main.rs:319:17 [INFO] [stdout] | [INFO] [stdout] 319 | let glove_box_2 = (10, 3.14, '2', "three"); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_glove_box_2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:362:17 [INFO] [stdout] | [INFO] [stdout] 362 | let x = 1; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `planet` is never read [INFO] [stdout] --> src/main.rs:602:13 [INFO] [stdout] | [INFO] [stdout] 602 | planet = ("Venus", 2554.453, 44); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `page_number` [INFO] [stdout] --> src/main.rs:195:17 [INFO] [stdout] | [INFO] [stdout] 195 | let page_number = 0x2600u32; [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_page_number` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `average` is never read [INFO] [stdout] --> src/main.rs:663:25 [INFO] [stdout] | [INFO] [stdout] 663 | let mut average = 0u64; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `glove_box_2` [INFO] [stdout] --> src/main.rs:319:17 [INFO] [stdout] | [INFO] [stdout] 319 | let glove_box_2 = (10, 3.14, '2', "three"); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_glove_box_2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:362:17 [INFO] [stdout] | [INFO] [stdout] 362 | let x = 1; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `planet` is never read [INFO] [stdout] --> src/main.rs:602:13 [INFO] [stdout] | [INFO] [stdout] 602 | planet = ("Venus", 2554.453, 44); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `average` is never read [INFO] [stdout] --> src/main.rs:663:25 [INFO] [stdout] | [INFO] [stdout] 663 | let mut average = 0u64; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:652:21 [INFO] [stdout] | [INFO] [stdout] 652 | let mut inner_planet = String::from("Mercury"); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:652:21 [INFO] [stdout] | [INFO] [stdout] 652 | let mut inner_planet = String::from("Mercury"); [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:704:29 [INFO] [stdout] | [INFO] [stdout] 704 | fn process_fuel(mut propellant: &String) -> usize { [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bytes` [INFO] [stdout] --> src/main.rs:780:21 [INFO] [stdout] | [INFO] [stdout] 780 | let mut bytes = s.as_bytes().iter().enumerate(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rev` [INFO] [stdout] --> src/main.rs:782:21 [INFO] [stdout] | [INFO] [stdout] 782 | let mut rev = reversed.as_bytes().iter().enumerate(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rev` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:780:17 [INFO] [stdout] | [INFO] [stdout] 780 | let mut bytes = s.as_bytes().iter().enumerate(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:782:17 [INFO] [stdout] | [INFO] [stdout] 782 | let mut rev = reversed.as_bytes().iter().enumerate(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Vector2` is never constructed [INFO] [stdout] --> src/equations.rs:14:19 [INFO] [stdout] | [INFO] [stdout] 14 | pub(crate) struct Vector2 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `System2` is never constructed [INFO] [stdout] --> src/equations.rs:19:19 [INFO] [stdout] | [INFO] [stdout] 19 | pub(crate) struct System2 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `resolve` are never used [INFO] [stdout] --> src/equations.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 23 | impl System2 { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 24 | pub fn new(matrix: [[f64; 3]; 2]) -> System2 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | pub(crate) fn resolve(&self) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/exercise.rs:10:19 [INFO] [stdout] | [INFO] [stdout] 9 | impl Exercise { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 10 | pub(crate) fn new(name: &'static str, runnable: fn()) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `exercises` should have an upper case name [INFO] [stdout] --> src/main.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | const exercises: [(u64, &str); 84] = [ [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to upper case: `EXERCISES` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:501:34 [INFO] [stdout] | [INFO] [stdout] 501 | for (i, c) in letters.clone().split("").enumerate() { [INFO] [stdout] | ^^^^^^^^ unnecessary method call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[deny(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:704:29 [INFO] [stdout] | [INFO] [stdout] 704 | fn process_fuel(mut propellant: &String) -> usize { [INFO] [stdout] | ----^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `bytes` [INFO] [stdout] --> src/main.rs:780:21 [INFO] [stdout] | [INFO] [stdout] 780 | let mut bytes = s.as_bytes().iter().enumerate(); [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rev` [INFO] [stdout] --> src/main.rs:782:21 [INFO] [stdout] | [INFO] [stdout] 782 | let mut rev = reversed.as_bytes().iter().enumerate(); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rev` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:780:17 [INFO] [stdout] | [INFO] [stdout] 780 | let mut bytes = s.as_bytes().iter().enumerate(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:782:17 [INFO] [stdout] | [INFO] [stdout] 782 | let mut rev = reversed.as_bytes().iter().enumerate(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `celsius` is never read [INFO] [stdout] --> src/main.rs:389:17 [INFO] [stdout] | [INFO] [stdout] 388 | struct Temperature { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] 389 | celsius: f64, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Temperature` 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: associated function `from_fahrenheit` is never used [INFO] [stdout] --> src/main.rs:400:20 [INFO] [stdout] | [INFO] [stdout] 392 | impl Temperature { [INFO] [stdout] | ---------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 400 | fn from_fahrenheit(f: f64) -> Temperature { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Vector2` is never constructed [INFO] [stdout] --> src/equations.rs:14:19 [INFO] [stdout] | [INFO] [stdout] 14 | pub(crate) struct Vector2 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `System2` is never constructed [INFO] [stdout] --> src/equations.rs:19:19 [INFO] [stdout] | [INFO] [stdout] 19 | pub(crate) struct System2 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `resolve` are never used [INFO] [stdout] --> src/equations.rs:24:12 [INFO] [stdout] | [INFO] [stdout] 23 | impl System2 { [INFO] [stdout] | ------------ associated items in this implementation [INFO] [stdout] 24 | pub fn new(matrix: [[f64; 3]; 2]) -> System2 { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | pub(crate) fn resolve(&self) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/exercise.rs:10:19 [INFO] [stdout] | [INFO] [stdout] 9 | impl Exercise { [INFO] [stdout] | ------------- associated function in this implementation [INFO] [stdout] 10 | pub(crate) fn new(name: &'static str, runnable: fn()) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `exercises` should have an upper case name [INFO] [stdout] --> src/main.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | const exercises: [(u64, &str); 84] = [ [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to upper case: `EXERCISES` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/main.rs:501:34 [INFO] [stdout] | [INFO] [stdout] 501 | for (i, c) in letters.clone().split("").enumerate() { [INFO] [stdout] | ^^^^^^^^ unnecessary method call [INFO] [stdout] | [INFO] [stdout] = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[deny(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `linkedin-rust-barrons` (bin "linkedin-rust-barrons" test) due to 2 previous errors; 17 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to previous error; 19 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `linkedin-rust-barrons` (bin "linkedin-rust-barrons") due to 2 previous errors; 19 warnings emitted [INFO] running `Command { std: "docker" "inspect" "a5cbe0680adbfa7ae209ba7ee0933d5e8cc38240f8fcead3981a7c98b73675e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5cbe0680adbfa7ae209ba7ee0933d5e8cc38240f8fcead3981a7c98b73675e0", kill_on_drop: false }` [INFO] [stdout] a5cbe0680adbfa7ae209ba7ee0933d5e8cc38240f8fcead3981a7c98b73675e0