[INFO] cloning repository https://github.com/jmaralc/oop_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jmaralc/oop_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmaralc%2Foop_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmaralc%2Foop_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 479c98b0c09ac2248dbf63feb34eb422f067e818
[INFO] testing jmaralc/oop_rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmaralc%2Foop_rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmaralc/oop_rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jmaralc/oop_rust
[INFO] finished tweaking git repo https://github.com/jmaralc/oop_rust
[INFO] tweaked toml for git repo https://github.com/jmaralc/oop_rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/jmaralc/oop_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fe0ba4cdb9fd4931912e0598eb13a879e4a8138a451ab309182ec623117a0f3
[INFO] running `Command { std: "docker" "start" "-a" "2fe0ba4cdb9fd4931912e0598eb13a879e4a8138a451ab309182ec623117a0f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fe0ba4cdb9fd4931912e0598eb13a879e4a8138a451ab309182ec623117a0f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fe0ba4cdb9fd4931912e0598eb13a879e4a8138a451ab309182ec623117a0f3", kill_on_drop: false }`
[INFO] [stdout] 2fe0ba4cdb9fd4931912e0598eb13a879e4a8138a451ab309182ec623117a0f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f90d8e3c42595c6dcf5fab1c352c66cff98d60c8d60ac646cc8824d0e7caa9e1
[INFO] running `Command { std: "docker" "start" "-a" "f90d8e3c42595c6dcf5fab1c352c66cff98d60c8d60ac646cc8824d0e7caa9e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling oop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `post`
[INFO] [stdout]  --> src/example3.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn content<'a>(&self, post: &'a Post) -> &'a str {
[INFO] [stdout]   |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_post`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]   --> src/main.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         width: u32,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/main.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         height: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Post`
[INFO] [stdout]   --> src/example4.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Post {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DraftPost`
[INFO] [stdout]   --> src/example4.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct DraftPost {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/example4.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new() -> DraftPost {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `content`
[INFO] [stdout]   --> src/example4.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn content(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_text`
[INFO] [stdout]   --> src/example4.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn add_text(&mut self, text: &str) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `request_review`
[INFO] [stdout]   --> src/example4.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn request_review(self) -> PendingReviewPost {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `PendingReviewPost`
[INFO] [stdout]   --> src/example4.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct PendingReviewPost {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `approve`
[INFO] [stdout]   --> src/example4.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn approve(self) -> Post {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "f90d8e3c42595c6dcf5fab1c352c66cff98d60c8d60ac646cc8824d0e7caa9e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f90d8e3c42595c6dcf5fab1c352c66cff98d60c8d60ac646cc8824d0e7caa9e1", kill_on_drop: false }`
[INFO] [stdout] f90d8e3c42595c6dcf5fab1c352c66cff98d60c8d60ac646cc8824d0e7caa9e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a67e559f5bb9ba5ca567c828cce0eb69aa8e27565a6e4cc8b43b11877770ae3
[INFO] running `Command { std: "docker" "start" "-a" "4a67e559f5bb9ba5ca567c828cce0eb69aa8e27565a6e4cc8b43b11877770ae3", kill_on_drop: false }`
[INFO] [stderr]    Compiling oop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `post`
[INFO] [stdout]  --> src/example3.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn content<'a>(&self, post: &'a Post) -> &'a str {
[INFO] [stdout]   |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_post`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]   --> src/main.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         width: u32,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]   --> src/main.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         height: u32,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Post`
[INFO] [stdout]   --> src/example4.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Post {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DraftPost`
[INFO] [stdout]   --> src/example4.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct DraftPost {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/example4.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn new() -> DraftPost {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `content`
[INFO] [stdout]   --> src/example4.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn content(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_text`
[INFO] [stdout]   --> src/example4.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn add_text(&mut self, text: &str) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `request_review`
[INFO] [stdout]   --> src/example4.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn request_review(self) -> PendingReviewPost {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `PendingReviewPost`
[INFO] [stdout]   --> src/example4.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct PendingReviewPost {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `approve`
[INFO] [stdout]   --> src/example4.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 51 |     pub fn approve(self) -> Post {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/oop-bea9844eddf5bf50)
[INFO] running `Command { std: "docker" "inspect" "4a67e559f5bb9ba5ca567c828cce0eb69aa8e27565a6e4cc8b43b11877770ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a67e559f5bb9ba5ca567c828cce0eb69aa8e27565a6e4cc8b43b11877770ae3", kill_on_drop: false }`
[INFO] [stdout] 4a67e559f5bb9ba5ca567c828cce0eb69aa8e27565a6e4cc8b43b11877770ae3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 990e33f6c63773e79d240f5b9a12d71d8f391cc73e0fd9f6b4aa24fa8fb65fde
[INFO] running `Command { std: "docker" "start" "-a" "990e33f6c63773e79d240f5b9a12d71d8f391cc73e0fd9f6b4aa24fa8fb65fde", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `post`
[INFO] [stderr]  --> src/example3.rs:7:27
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn content<'a>(&self, post: &'a Post) -> &'a str {
[INFO] [stderr]   |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_post`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `width`
[INFO] [stderr]   --> src/main.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         width: u32,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `height`
[INFO] [stderr]   --> src/main.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |         height: u32,
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Post`
[INFO] [stderr]   --> src/example4.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub struct Post {
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DraftPost`
[INFO] [stderr]   --> src/example4.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct DraftPost {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/example4.rs:21:12
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn new() -> DraftPost {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `content`
[INFO] [stderr]   --> src/example4.rs:28:12
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub fn content(&self) -> &str {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_text`
[INFO] [stderr]   --> src/example4.rs:35:12
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn add_text(&mut self, text: &str) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `request_review`
[INFO] [stderr]   --> src/example4.rs:39:12
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn request_review(self) -> PendingReviewPost {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PendingReviewPost`
[INFO] [stderr]   --> src/example4.rs:46:12
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub struct PendingReviewPost {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `approve`
[INFO] [stderr]   --> src/example4.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn approve(self) -> Post {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `oop` (bin "oop" test) generated 11 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/oop-bea9844eddf5bf50)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "990e33f6c63773e79d240f5b9a12d71d8f391cc73e0fd9f6b4aa24fa8fb65fde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "990e33f6c63773e79d240f5b9a12d71d8f391cc73e0fd9f6b4aa24fa8fb65fde", kill_on_drop: false }`
[INFO] [stdout] 990e33f6c63773e79d240f5b9a12d71d8f391cc73e0fd9f6b4aa24fa8fb65fde