[INFO] cloning repository https://github.com/SpicyRicecaker/learn-rust-oop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SpicyRicecaker/learn-rust-oop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpicyRicecaker%2Flearn-rust-oop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpicyRicecaker%2Flearn-rust-oop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0848f19aa414558965085032d286489804b9a820
[INFO] testing SpicyRicecaker/learn-rust-oop 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%2FSpicyRicecaker%2Flearn-rust-oop" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SpicyRicecaker/learn-rust-oop 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/SpicyRicecaker/learn-rust-oop
[INFO] finished tweaking git repo https://github.com/SpicyRicecaker/learn-rust-oop
[INFO] tweaked toml for git repo https://github.com/SpicyRicecaker/learn-rust-oop written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/SpicyRicecaker/learn-rust-oop 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a56aebb1d420b16208c8fd164a58ee7667a80864f5204c2b84fb97d4f062ef65
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a56aebb1d420b16208c8fd164a58ee7667a80864f5204c2b84fb97d4f062ef65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a56aebb1d420b16208c8fd164a58ee7667a80864f5204c2b84fb97d4f062ef65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a56aebb1d420b16208c8fd164a58ee7667a80864f5204c2b84fb97d4f062ef65", kill_on_drop: false }`
[INFO] [stdout] a56aebb1d420b16208c8fd164a58ee7667a80864f5204c2b84fb97d4f062ef65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 733d6689510cbadd976f553829c9530232f92d77bf9aee4271c552a7e451e605
[INFO] running `Command { std: "docker" "start" "-a" "733d6689510cbadd976f553829c9530232f92d77bf9aee4271c552a7e451e605", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn-oop-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `Post`
[INFO] [stdout]  --> src/better.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Post {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init`
[INFO] [stdout]  --> src/better.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn init() -> DraftPost {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `content`
[INFO] [stdout]   --> src/better.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn content(&self) -> &str {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DraftPost`
[INFO] [stdout]   --> src/better.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct DraftPost {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_text`
[INFO] [stdout]   --> src/better.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     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/better.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn request_review(self) -> PendingReviewPost {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `PendingReviewPost`
[INFO] [stdout]   --> src/better.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct PendingReviewPost {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `ReviewResult`
[INFO] [stdout]   --> src/better.rs:37:6
[INFO] [stdout]    |
[INFO] [stdout] 37 | enum ReviewResult {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `approve`
[INFO] [stdout]   --> src/better.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn approve(mut self) -> ReviewResult {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reject`
[INFO] [stdout]   --> src/better.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn reject(self) -> DraftPost {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `Command { std: "docker" "inspect" "733d6689510cbadd976f553829c9530232f92d77bf9aee4271c552a7e451e605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "733d6689510cbadd976f553829c9530232f92d77bf9aee4271c552a7e451e605", kill_on_drop: false }`
[INFO] [stdout] 733d6689510cbadd976f553829c9530232f92d77bf9aee4271c552a7e451e605
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbb867c9a2bf4c4e303c113aaca4e6690160e30c653d3036d3dd50aade9f24dd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dbb867c9a2bf4c4e303c113aaca4e6690160e30c653d3036d3dd50aade9f24dd", kill_on_drop: false }`
[INFO] [stdout] warning: struct is never constructed: `Post`
[INFO] [stdout]  --> src/better.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Post {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling learn-oop-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `init`
[INFO] [stdout]  --> src/better.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn init() -> DraftPost {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `content`
[INFO] [stdout]   --> src/better.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn content(&self) -> &str {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `DraftPost`
[INFO] [stdout]   --> src/better.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct DraftPost {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `add_text`
[INFO] [stdout]   --> src/better.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 |     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/better.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn request_review(self) -> PendingReviewPost {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `PendingReviewPost`
[INFO] [stdout]   --> src/better.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct PendingReviewPost {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `ReviewResult`
[INFO] [stdout]   --> src/better.rs:37:6
[INFO] [stdout]    |
[INFO] [stdout] 37 | enum ReviewResult {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `approve`
[INFO] [stdout]   --> src/better.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn approve(mut self) -> ReviewResult {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reject`
[INFO] [stdout]   --> src/better.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn reject(self) -> DraftPost {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.67s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/learn_oop_rust-bd03ea676ba279be)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/learn_oop_rust-0d7ea29aa899115d)
[INFO] running `Command { std: "docker" "inspect" "dbb867c9a2bf4c4e303c113aaca4e6690160e30c653d3036d3dd50aade9f24dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbb867c9a2bf4c4e303c113aaca4e6690160e30c653d3036d3dd50aade9f24dd", kill_on_drop: false }`
[INFO] [stdout] dbb867c9a2bf4c4e303c113aaca4e6690160e30c653d3036d3dd50aade9f24dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1010f6e39e332b3cc13a984bbafceab4142aa32aade5fe61a0a73639d453f156
[INFO] running `Command { std: "docker" "start" "-a" "1010f6e39e332b3cc13a984bbafceab4142aa32aade5fe61a0a73639d453f156", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] warning: struct is never constructed: `Post`
[INFO] [stderr]  --> src/better.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct Post {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `init`
[INFO] [stderr]  --> src/better.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 |     fn init() -> DraftPost {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `content`
[INFO] [stderr]   --> src/better.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn content(&self) -> &str {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `DraftPost`
[INFO] [stderr]   --> src/better.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct DraftPost {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `add_text`
[INFO] [stderr]   --> src/better.rs:21:8
[INFO] [stderr]    |
[INFO] [stderr] 21 |     fn add_text(&mut self, text: &str) {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `request_review`
[INFO] [stderr]   --> src/better.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn request_review(self) -> PendingReviewPost {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `PendingReviewPost`
[INFO] [stderr]   --> src/better.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 | struct PendingReviewPost {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ReviewResult`
[INFO] [stderr]   --> src/better.rs:37:6
[INFO] [stderr]    |
[INFO] [stderr] 37 | enum ReviewResult {
[INFO] [stderr]    |      ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `approve`
[INFO] [stderr]   --> src/better.rs:43:8
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn approve(mut self) -> ReviewResult {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `reject`
[INFO] [stderr]   --> src/better.rs:53:8
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn reject(self) -> DraftPost {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `learn-oop-rust` (lib) generated 10 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/learn_oop_rust-bd03ea676ba279be)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/learn_oop_rust-0d7ea29aa899115d)
[INFO] [stdout] test better::test::run ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests learn-oop-rust
[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] [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" "1010f6e39e332b3cc13a984bbafceab4142aa32aade5fe61a0a73639d453f156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1010f6e39e332b3cc13a984bbafceab4142aa32aade5fe61a0a73639d453f156", kill_on_drop: false }`
[INFO] [stdout] 1010f6e39e332b3cc13a984bbafceab4142aa32aade5fe61a0a73639d453f156