[INFO] cloning repository https://github.com/kpietak/rust-lecture-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kpietak/rust-lecture-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkpietak%2Frust-lecture-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkpietak%2Frust-lecture-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7de7b4953d8e8b4d25744628bb8a839acd9c32a
[INFO] checking kpietak/rust-lecture-examples against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkpietak%2Frust-lecture-examples" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kpietak/rust-lecture-examples
[INFO] finished tweaking git repo https://github.com/kpietak/rust-lecture-examples
[INFO] tweaked toml for git repo https://github.com/kpietak/rust-lecture-examples written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kpietak/rust-lecture-examples on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kpietak/rust-lecture-examples 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.0-alpha.6
[INFO] [stderr]   Downloaded rand_core v0.9.0-alpha.1
[INFO] [stderr]   Downloaded rand_chacha v0.9.0-alpha.1
[INFO] [stderr]   Downloaded cc v1.0.88
[INFO] [stderr]   Downloaded rand v0.9.0-alpha.1
[INFO] [stderr]   Downloaded zerocopy v0.8.0-alpha.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7a3930f015b7a8850fef0c69d6f34a4fec726ccfbb096c663529b0022933cb5
[INFO] running `Command { std: "docker" "start" "-a" "c7a3930f015b7a8850fef0c69d6f34a4fec726ccfbb096c663529b0022933cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7a3930f015b7a8850fef0c69d6f34a4fec726ccfbb096c663529b0022933cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7a3930f015b7a8850fef0c69d6f34a4fec726ccfbb096c663529b0022933cb5", kill_on_drop: false }`
[INFO] [stdout] c7a3930f015b7a8850fef0c69d6f34a4fec726ccfbb096c663529b0022933cb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26239e09e17542f232b33814a6fc8c2db85772d6927aa994bb1ba8962f674b4d
[INFO] running `Command { std: "docker" "start" "-a" "26239e09e17542f232b33814a6fc8c2db85772d6927aa994bb1ba8962f674b4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling cc v1.0.88
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]     Checking indexmap v2.2.5
[INFO] [stderr]     Checking bitflags v2.4.2
[INFO] [stderr]    Compiling zerocopy v0.8.0-alpha.6
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking tower-layer v0.3.2
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking rustls-pki-types v1.5.0
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking sync_wrapper v0.1.2
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]     Checking rustls-pemfile v2.1.2
[INFO] [stderr]     Checking http v1.1.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking getrandom v0.2.14
[INFO] [stderr]    Compiling openssl-sys v0.9.101
[INFO] [stderr]     Checking tokio v1.36.0
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking http-body v1.0.0
[INFO] [stderr]     Checking rand_core v0.9.0-alpha.1
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking http-body-util v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.9.0-alpha.1
[INFO] [stderr]     Checking rand v0.9.0-alpha.1
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking h2 v0.4.4
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper v1.3.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking hyper-util v0.1.3
[INFO] [stderr]     Checking hyper-tls v0.6.0
[INFO] [stderr]     Checking reqwest v0.12.4
[INFO] [stderr]     Checking rust_lecture_examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `PositiveBackend` is never constructed
[INFO] [stdout]  --> examples/static-dispatch-benchmark.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct PositiveBackend;
[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 `process_int` is never used
[INFO] [stdout]    --> examples/functions.rs:120:4
[INFO] [stdout]     |
[INFO] [stdout] 120 | fn process_int<F>(a: i32, b: i32, f: F) -> i32
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]  --> examples/basics.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let s2 = s1; // the value is moved from s1 to s2, s1 is no longer valid
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `borrow` is never used
[INFO] [stdout]  --> examples/collections.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn borrow(i : &i32) {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::space::ship::Spaceship`
[INFO] [stdout]  --> examples/modules.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::space::ship::Spaceship;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `ex2` is never used
[INFO] [stdout]   --> examples/lifetime.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn ex2() {
[INFO] [stdout]    |    ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Introduction` is never constructed
[INFO] [stdout]   --> examples/lifetime.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct Introduction<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print` is never used
[INFO] [stdout]   --> examples/lifetime.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 46 | impl<'a> Introduction<'a> {
[INFO] [stdout]    | ------------------------- method in this implementation
[INFO] [stdout] 47 |     fn print(&self) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_sample_text` is never used
[INFO] [stdout]   --> examples/lifetime.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn get_sample_text() -> &'static str {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rectangle` is never constructed
[INFO] [stdout]   --> examples/errors.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Rectangle {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DEFAULT_WIDTH` is never used
[INFO] [stdout]   --> examples/errors.rs:15:7
[INFO] [stdout]    |
[INFO] [stdout] 15 | const DEFAULT_WIDTH: f64 = 1.0;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `DEFAULT_HEIGHT` is never used
[INFO] [stdout]   --> examples/errors.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | const DEFAULT_HEIGHT: f64 = 1.0;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `area`, `convert_to_int`, and `read_from_file` are never used
[INFO] [stdout]   --> examples/errors.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Rectangle {
[INFO] [stdout]    | -------------- associated items in this implementation
[INFO] [stdout] 18 |     fn new(width : f64, height : f64) -> Result<Rectangle> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     fn area(&self) -> f64 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn convert_to_int(&self) -> Result<(u32, u32)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |     fn read_from_file(path : &str) -> Result<Rectangle> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `bigger` is never used
[INFO] [stdout]   --> examples/errors.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn bigger(w1: f64, h1 : f64, w2 : f64, h2 : f64) -> Result<Rectangle> {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `accelerate` is never used
[INFO] [stdout]   --> examples/structures.rs:30:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Spaceship {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     fn accelerate(&mut self, acc : i32) {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FlyingObject` is never used
[INFO] [stdout]   --> examples/structures.rs:77:7
[INFO] [stdout]    |
[INFO] [stdout] 77 | trait FlyingObject {
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `shoot` is never used
[INFO] [stdout]    --> examples/structures.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout]  98 | impl Asteroid {
[INFO] [stdout]     | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 103 |     fn shoot(&self) -> Missile {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.85s
[INFO] running `Command { std: "docker" "inspect" "26239e09e17542f232b33814a6fc8c2db85772d6927aa994bb1ba8962f674b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26239e09e17542f232b33814a6fc8c2db85772d6927aa994bb1ba8962f674b4d", kill_on_drop: false }`
[INFO] [stdout] 26239e09e17542f232b33814a6fc8c2db85772d6927aa994bb1ba8962f674b4d
