[INFO] cloning repository https://github.com/suhanyujie/rust-cookbook-note [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/suhanyujie/rust-cookbook-note" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhanyujie%2Frust-cookbook-note", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhanyujie%2Frust-cookbook-note'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 66acbfcbeae3d5f99905786b9c84192c43e47560 [INFO] testing suhanyujie/rust-cookbook-note against try#c066bf6804adc55193b71afdff6a56922f4a8689+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsuhanyujie%2Frust-cookbook-note" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/suhanyujie/rust-cookbook-note [INFO] finished tweaking git repo https://github.com/suhanyujie/rust-cookbook-note [INFO] tweaked toml for git repo https://github.com/suhanyujie/rust-cookbook-note written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/suhanyujie/rust-cookbook-note on toolchain c066bf6804adc55193b71afdff6a56922f4a8689 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/suhanyujie/rust-cookbook-note 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" "+c066bf6804adc55193b71afdff6a56922f4a8689" "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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 553a78e659f8fbb97535715c2645e09d969ed2bd94f1e8225bfc9e428cb52367 [INFO] running `Command { std: "docker" "start" "-a" "553a78e659f8fbb97535715c2645e09d969ed2bd94f1e8225bfc9e428cb52367", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "553a78e659f8fbb97535715c2645e09d969ed2bd94f1e8225bfc9e428cb52367", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "553a78e659f8fbb97535715c2645e09d969ed2bd94f1e8225bfc9e428cb52367", kill_on_drop: false }` [INFO] [stdout] 553a78e659f8fbb97535715c2645e09d969ed2bd94f1e8225bfc9e428cb52367 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] e74d8e0bf339e130044be017301726b73ef47c7203cf09bc359aaac4d9a442e2 [INFO] running `Command { std: "docker" "start" "-a" "e74d8e0bf339e130044be017301726b73ef47c7203cf09bc359aaac4d9a442e2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling chrono v0.4.13 [INFO] [stderr] Compiling cookbook v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> src/notes/alpha.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::Ordering` [INFO] [stdout] --> src/notes/copy_trait.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Div`, `Mul`, and `Sub` [INFO] [stdout] --> src/notes/op_rhs.rs:1:21 [INFO] [stdout] | [INFO] [stdout] 1 | use std::ops::{Add, Div, Mul, Sub}; [INFO] [stdout] | ^^^ ^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `notes::alpha` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use notes::alpha; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate-level attribute should be in the root module [INFO] [stdout] --> src/notes/alpha.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(dyn_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 20 | process::exit(-1); [INFO] [stdout] | ----------------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 24 | command::try_with_test_param(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/algorithm.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | let mut rng = rand::thread_rng(); [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: unused variable: `status` [INFO] [stdout] --> src/command.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | status, [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `status: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stderr` [INFO] [stdout] --> src/command.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | stderr, [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `stderr: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p_duck` [INFO] [stdout] --> src/notes/alpha.rs:24:22 [INFO] [stdout] | [INFO] [stdout] 24 | fn print_traitobject(p_duck: &dyn Bird) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_p_duck` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d3` [INFO] [stdout] --> src/notes/alpha.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let d3 = d2 as &dyn Bird; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_d3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v2` [INFO] [stdout] --> src/notes/copy_trait.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let v2 = v1; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_v2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/notes/process_data_competition.rs:42:13 [INFO] [stdout] | [INFO] [stdout] 42 | for i in 0..COUNT { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/notes/process_data_competition.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | for i in 0..COUNT { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/notes/process_data_competition.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 63 | MyData(data1) => { [INFO] [stdout] | ------------- matches any value [INFO] [stdout] ... [INFO] [stdout] 83 | _ => { [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/notes/process_data_competition.rs:66:21 [INFO] [stdout] | [INFO] [stdout] 66 | for i in 0..COUNT { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/notes/process_data_competition.rs:74:21 [INFO] [stdout] | [INFO] [stdout] 74 | for i in 0..COUNT { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `gen_a_u8_num` is never used [INFO] [stdout] --> src/algorithm.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn gen_a_u8_num() -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `gen_a_i32_num` is never used [INFO] [stdout] --> src/algorithm.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn gen_a_i32_num() -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `gen_random_within_range` is never used [INFO] [stdout] --> src/algorithm.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn gen_random_within_range(min: isize, max: isize) -> isize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x` and `y` are never read [INFO] [stdout] --> src/algorithm.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 70 | struct Point { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 71 | x: i32, [INFO] [stdout] | ^ [INFO] [stdout] 72 | y: i32, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_random_string` is never used [INFO] [stdout] --> src/algorithm.rs:92:8 [INFO] [stdout] | [INFO] [stdout] 92 | pub fn get_random_string(length: u8) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_random_string_from_customer_str` is never used [INFO] [stdout] --> src/algorithm.rs:111:8 [INFO] [stdout] | [INFO] [stdout] 111 | pub fn get_random_string_from_customer_str(length: u8) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Bird` is never used [INFO] [stdout] --> src/notes/alpha.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | trait Bird { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Duck` is never constructed [INFO] [stdout] --> src/notes/alpha.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | struct Duck; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Swan` is never constructed [INFO] [stdout] --> src/notes/alpha.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct Swan; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_traitobject` is never used [INFO] [stdout] --> src/notes/alpha.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn print_traitobject(p_duck: &dyn Bird) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/notes/alpha.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x_value` and `y_value` are never read [INFO] [stdout] --> src/notes/copy_trait.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | struct Point { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 11 | x_value: i32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 12 | y_value: i32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MyData0` is never constructed [INFO] [stdout] --> src/notes/process_data_competition.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | struct MyData0(Rc); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MyData0` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/notes/process_data_competition.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl MyData0 { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 18 | pub fn new(num: isize) -> MyData0 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/notes/process_data_competition.rs:24:19 [INFO] [stdout] | [INFO] [stdout] 24 | pub struct MyData(Arc>); [INFO] [stdout] | ------ ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `MyData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_resolve_competition` is never used [INFO] [stdout] --> src/notes/process_data_competition.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn test_resolve_competition() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `simple_bubble` is never used [INFO] [stdout] --> src/notes/sort.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn simple_bubble(arr: &mut Vec) -> &Vec { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `insert` is never used [INFO] [stdout] --> src/notes/sort.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn insert(arr: &mut Vec) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `shell_sort` is never used [INFO] [stdout] --> src/notes/sort.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn shell_sort(arr: &Vec) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_shell_addition_rate` is never used [INFO] [stdout] --> src/notes/sort.rs:49:4 [INFO] [stdout] | [INFO] [stdout] 49 | fn get_shell_addition_rate(l: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `one_file_func` is never used [INFO] [stdout] --> src/notes/test_module/one_file.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn one_file_func() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Human` is never used [INFO] [stdout] --> src/notes/test_module/one_file.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | trait Human { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id`, `name`, and `age` are never read [INFO] [stdout] --> src/notes/test_module/one_file.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct Stu { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 13 | id: i32, [INFO] [stdout] | ^^ [INFO] [stdout] 14 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 15 | age: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Stu` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.92s [INFO] running `Command { std: "docker" "inspect" "e74d8e0bf339e130044be017301726b73ef47c7203cf09bc359aaac4d9a442e2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e74d8e0bf339e130044be017301726b73ef47c7203cf09bc359aaac4d9a442e2", kill_on_drop: false }` [INFO] [stdout] e74d8e0bf339e130044be017301726b73ef47c7203cf09bc359aaac4d9a442e2 [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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] de710b0935970a7a1ad82c7352b328e5bc6f6fca327352f47b6b6ba99eff89a1 [INFO] running `Command { std: "docker" "start" "-a" "de710b0935970a7a1ad82c7352b328e5bc6f6fca327352f47b6b6ba99eff89a1", kill_on_drop: false }` [INFO] [stderr] Compiling cookbook v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem` [INFO] [stdout] --> src/notes/alpha.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::mem; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::Ordering` [INFO] [stdout] --> src/notes/copy_trait.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::Ordering; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Div`, `Mul`, and `Sub` [INFO] [stdout] --> src/notes/op_rhs.rs:1:21 [INFO] [stdout] | [INFO] [stdout] 1 | use std::ops::{Add, Div, Mul, Sub}; [INFO] [stdout] | ^^^ ^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `notes::alpha` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use notes::alpha; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: crate-level attribute should be in the root module [INFO] [stdout] --> src/notes/alpha.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(dyn_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_attributes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> src/main.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 20 | process::exit(-1); [INFO] [stdout] | ----------------- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 24 | command::try_with_test_param(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/algorithm.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | let mut rng = rand::thread_rng(); [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: unused variable: `status` [INFO] [stdout] --> src/command.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | status, [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `status: _` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stderr` [INFO] [stdout] --> src/command.rs:49:13 [INFO] [stdout] | [INFO] [stdout] 49 | stderr, [INFO] [stdout] | ^^^^^^ help: try ignoring the field: `stderr: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p_duck` [INFO] [stdout] --> src/notes/alpha.rs:24:22 [INFO] [stdout] | [INFO] [stdout] 24 | fn print_traitobject(p_duck: &dyn Bird) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_p_duck` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d3` [INFO] [stdout] --> src/notes/alpha.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let d3 = d2 as &dyn Bird; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_d3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v2` [INFO] [stdout] --> src/notes/copy_trait.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let v2 = v1; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_v2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/notes/process_data_competition.rs:42:13 [INFO] [stdout] | [INFO] [stdout] 42 | for i in 0..COUNT { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/notes/process_data_competition.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | for i in 0..COUNT { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/notes/process_data_competition.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 63 | MyData(data1) => { [INFO] [stdout] | ------------- matches any value [INFO] [stdout] ... [INFO] [stdout] 83 | _ => { [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/notes/process_data_competition.rs:66:21 [INFO] [stdout] | [INFO] [stdout] 66 | for i in 0..COUNT { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/notes/process_data_competition.rs:74:21 [INFO] [stdout] | [INFO] [stdout] 74 | for i in 0..COUNT { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `gen_a_u8_num` is never used [INFO] [stdout] --> src/algorithm.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | pub fn gen_a_u8_num() -> u8 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `gen_a_i32_num` is never used [INFO] [stdout] --> src/algorithm.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 45 | pub fn gen_a_i32_num() -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `gen_random_within_range` is never used [INFO] [stdout] --> src/algorithm.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | pub fn gen_random_within_range(min: isize, max: isize) -> isize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x` and `y` are never read [INFO] [stdout] --> src/algorithm.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 70 | struct Point { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 71 | x: i32, [INFO] [stdout] | ^ [INFO] [stdout] 72 | y: i32, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Bird` is never used [INFO] [stdout] --> src/notes/alpha.rs:5:7 [INFO] [stdout] | [INFO] [stdout] 5 | trait Bird { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Duck` is never constructed [INFO] [stdout] --> src/notes/alpha.rs:9:8 [INFO] [stdout] | [INFO] [stdout] 9 | struct Duck; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Swan` is never constructed [INFO] [stdout] --> src/notes/alpha.rs:10:8 [INFO] [stdout] | [INFO] [stdout] 10 | struct Swan; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_traitobject` is never used [INFO] [stdout] --> src/notes/alpha.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn print_traitobject(p_duck: &dyn Bird) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `run` is never used [INFO] [stdout] --> src/notes/alpha.rs:29:8 [INFO] [stdout] | [INFO] [stdout] 29 | pub fn run() { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `x_value` and `y_value` are never read [INFO] [stdout] --> src/notes/copy_trait.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | struct Point { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 11 | x_value: i32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 12 | y_value: i32, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Point` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MyData0` is never constructed [INFO] [stdout] --> src/notes/process_data_competition.rs:15:8 [INFO] [stdout] | [INFO] [stdout] 15 | struct MyData0(Rc); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MyData0` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/notes/process_data_competition.rs:18:12 [INFO] [stdout] | [INFO] [stdout] 17 | impl MyData0 { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 18 | pub fn new(num: isize) -> MyData0 { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/notes/process_data_competition.rs:24:19 [INFO] [stdout] | [INFO] [stdout] 24 | pub struct MyData(Arc>); [INFO] [stdout] | ------ ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `MyData` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `test_resolve_competition` is never used [INFO] [stdout] --> src/notes/process_data_competition.rs:61:8 [INFO] [stdout] | [INFO] [stdout] 61 | pub fn test_resolve_competition() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `shell_sort` is never used [INFO] [stdout] --> src/notes/sort.rs:40:8 [INFO] [stdout] | [INFO] [stdout] 40 | pub fn shell_sort(arr: &Vec) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_shell_addition_rate` is never used [INFO] [stdout] --> src/notes/sort.rs:49:4 [INFO] [stdout] | [INFO] [stdout] 49 | fn get_shell_addition_rate(l: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `one_file_func` is never used [INFO] [stdout] --> src/notes/test_module/one_file.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn one_file_func() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Human` is never used [INFO] [stdout] --> src/notes/test_module/one_file.rs:6:7 [INFO] [stdout] | [INFO] [stdout] 6 | trait Human { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `id`, `name`, and `age` are never read [INFO] [stdout] --> src/notes/test_module/one_file.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | pub struct Stu { [INFO] [stdout] | --- fields in this struct [INFO] [stdout] 13 | id: i32, [INFO] [stdout] | ^^ [INFO] [stdout] 14 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 15 | age: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Stu` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/rcrt1.o" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crti.o" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crtbeginS.o" "/tmp/rustc1mRfDz/symbols.o" "<7 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/lib/rustlib/x86_64-unknown-linux-musl/lib/{libtest-*,libgetopts-*,libunicode_width-*,librustc_std_workspace_std-*}.rlib" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/{libclap-dd60f395584a30ef.rlib,libvec_map-5b81ccf8104b4a62.rlib,libtextwrap-759430f46a6e6ead.rlib,libunicode_width-ff270229995c0ad3.rlib,libstrsim-b8b77d7a062bc77b.rlib,libbitflags-561a4f1321538a32.rlib,libatty-21cbdbc1a4d9b9b1.rlib,libansi_term-ff0b7d01d18bd931.rlib,libchrono-dfca7444fbb5209d.rlib,libnum_integer-e009e61fca2e8093.rlib,libnum_traits-aeac748b956c4d6e.rlib,libtime-11a54ca44dc4976d.rlib,libansi_term-bdfff57b5fb49171.rlib,librand-baff0f188254727f.rlib,librand_chacha-4624eba58dab9030.rlib,libc2_chacha-9e049181c203be6d.rlib,libppv_lite86-3db1eddbb11ee7cb.rlib,librand_core-43129d9e183d74c2.rlib,libgetrandom-d274c0bc97ed5e3e.rlib,liblibc-7099ee7e20e1711d.rlib,libcfg_if-2d17986ae484e939.rlib,liblazy_static-4b136fc9bfbd2c4b.rlib}.rlib" "/lib/rustlib/x86_64-unknown-linux-musl/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*}.rlib" "-lunwind" "/lib/rustlib/x86_64-unknown-linux-musl/lib/{libcfg_if-*,liblibc-*}.rlib" "-lc" "/lib/rustlib/x86_64-unknown-linux-musl/lib/{librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/tmp/rustc1mRfDz/raw-dylibs" "-Wl,-Bdynamic" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-nostartfiles" "-L" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained" "-L" "/lib/rustlib/x86_64-unknown-linux-musl/lib" "-o" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/cookbook-db6fdc03f9d3cf87" "-Wl,--gc-sections" "-static-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crtendS.o" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crtn.o" [INFO] [stdout] = note: some arguments are omitted. use `--verbose` to show all linker arguments [INFO] [stdout] = note: /usr/bin/ld: /opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/libgetrandom-d274c0bc97ed5e3e.rlib(getrandom-d274c0bc97ed5e3e.getrandom.6159673bd59f2897-cgu.0.rcgu.o): in function `getrandom::util_libc::open_readonly': [INFO] [stdout] /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/getrandom-0.1.14/src/util_libc.rs:112:(.text._ZN9getrandom9util_libc13open_readonly17h28d3f0b675b25cafE+0x79): undefined reference to `open64' [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] = note: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified [INFO] [stdout] = note: use the `-l` flag to specify native libraries to link [INFO] [stdout] = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#rustc-link-lib) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cookbook` (bin "cookbook" test) due to 1 previous error; 37 warnings emitted [INFO] running `Command { std: "docker" "inspect" "de710b0935970a7a1ad82c7352b328e5bc6f6fca327352f47b6b6ba99eff89a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de710b0935970a7a1ad82c7352b328e5bc6f6fca327352f47b6b6ba99eff89a1", kill_on_drop: false }` [INFO] [stdout] de710b0935970a7a1ad82c7352b328e5bc6f6fca327352f47b6b6ba99eff89a1