[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] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmaralc%2Foop_rust/hooks/: No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[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] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-commit.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmaralc%2Foop_rust/hooks/pre-commit.sample': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[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] checking jmaralc/oop_rust against try#bf5ff6675cf10ce009ac02007b064a7cfc4509ac for pr-140558
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjmaralc%2Foop_rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jmaralc/oop_rust on toolchain bf5ff6675cf10ce009ac02007b064a7cfc4509ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "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-7-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05af041996dc77e995dd57704fb6c36b5b57f5f64bcede7749b2da3f625b04c3
[INFO] running `Command { std: "docker" "start" "-a" "05af041996dc77e995dd57704fb6c36b5b57f5f64bcede7749b2da3f625b04c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05af041996dc77e995dd57704fb6c36b5b57f5f64bcede7749b2da3f625b04c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05af041996dc77e995dd57704fb6c36b5b57f5f64bcede7749b2da3f625b04c3", kill_on_drop: false }`
[INFO] [stdout] 05af041996dc77e995dd57704fb6c36b5b57f5f64bcede7749b2da3f625b04c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+bf5ff6675cf10ce009ac02007b064a7cfc4509ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0aeb46ebfec9c99ad79ed31985a1e2308dcdded18b54b92b5595a53deb61c7d0
[INFO] running `Command { std: "docker" "start" "-a" "0aeb46ebfec9c99ad79ed31985a1e2308dcdded18b54b92b5595a53deb61c7d0", kill_on_drop: false }`
[INFO] [stderr]     Checking 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: 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: fields `width` and `height` are never read
[INFO] [stdout]   --> src/main.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     struct SelectBox {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 57 |         width: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 58 |         height: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width` and `height` are never read
[INFO] [stdout]   --> src/example2.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Button {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 40 |     pub width: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 41 |     pub height: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Post` is never constructed
[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 `DraftPost` is never constructed
[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 items `new` and `content` are never used
[INFO] [stdout]   --> src/example4.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Post {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 21 |     pub fn new() -> DraftPost {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn content(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_text` and `request_review` are never used
[INFO] [stdout]   --> src/example4.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl DraftPost {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 34 |     // We can add text to a draft but there is no getter for content
[INFO] [stdout] 35 |     pub fn add_text(&mut self, text: &str) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn request_review(self) -> PendingReviewPost {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PendingReviewPost` is never constructed
[INFO] [stdout]   --> src/example4.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct PendingReviewPost {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `approve` is never used
[INFO] [stdout]   --> src/example4.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl PendingReviewPost {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] 51 |     pub fn approve(self) -> Post {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width` and `height` are never read
[INFO] [stdout]   --> src/main.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |     struct SelectBox {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 57 |         width: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 58 |         height: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `width` and `height` are never read
[INFO] [stdout]   --> src/example2.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct Button {
[INFO] [stdout]    |            ------ fields in this struct
[INFO] [stdout] 40 |     pub width: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 41 |     pub height: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Post` is never constructed
[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 `DraftPost` is never constructed
[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 items `new` and `content` are never used
[INFO] [stdout]   --> src/example4.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Post {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 21 |     pub fn new() -> DraftPost {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn content(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_text` and `request_review` are never used
[INFO] [stdout]   --> src/example4.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl DraftPost {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 34 |     // We can add text to a draft but there is no getter for content
[INFO] [stdout] 35 |     pub fn add_text(&mut self, text: &str) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn request_review(self) -> PendingReviewPost {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PendingReviewPost` is never constructed
[INFO] [stdout]   --> src/example4.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct PendingReviewPost {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `approve` is never used
[INFO] [stdout]   --> src/example4.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl PendingReviewPost {
[INFO] [stdout]    | ---------------------- method in this implementation
[INFO] [stdout] 51 |     pub fn approve(self) -> Post {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "0aeb46ebfec9c99ad79ed31985a1e2308dcdded18b54b92b5595a53deb61c7d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aeb46ebfec9c99ad79ed31985a1e2308dcdded18b54b92b5595a53deb61c7d0", kill_on_drop: false }`
[INFO] [stdout] 0aeb46ebfec9c99ad79ed31985a1e2308dcdded18b54b92b5595a53deb61c7d0