[INFO] cloning repository https://github.com/bencarletonn/tinycrdt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bencarletonn/tinycrdt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbencarletonn%2Ftinycrdt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbencarletonn%2Ftinycrdt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 426c3702f07fbc6c2e806e76683ccbd92b69e758
[INFO] checking bencarletonn/tinycrdt against 4d7c0cd298ace72490220301fa543d63a154f8ce for pr-164789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbencarletonn%2Ftinycrdt" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bencarletonn/tinycrdt
[INFO] finished tweaking git repo https://github.com/bencarletonn/tinycrdt
[INFO] tweaked toml for git repo https://github.com/bencarletonn/tinycrdt written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bencarletonn/tinycrdt on toolchain 4d7c0cd298ace72490220301fa543d63a154f8ce
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bencarletonn/tinycrdt 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" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "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-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c0af3998e971868164375a7dfb646c9933ddd1a3bdb00fa2041266763dc1eeab" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 13e6d5b958f82fd38dd252aef886dcdc24df28142c4522c47302fea782cc879a
[INFO] running `Command { std: "docker" "start" "13e6d5b958f82fd38dd252aef886dcdc24df28142c4522c47302fea782cc879a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13e6d5b958f82fd38dd252aef886dcdc24df28142c4522c47302fea782cc879a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "13e6d5b958f82fd38dd252aef886dcdc24df28142c4522c47302fea782cc879a" "/opt/rustwide/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13e6d5b958f82fd38dd252aef886dcdc24df28142c4522c47302fea782cc879a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "13e6d5b958f82fd38dd252aef886dcdc24df28142c4522c47302fea782cc879a" "/opt/rustwide/cargo-home/bin/cargo" "+4d7c0cd298ace72490220301fa543d63a154f8ce" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking tinycrdt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]    --> src/doc.rs:148:28
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn try_link(&mut self, item: Item) {}
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]    --> src/doc.rs:149:24
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn link(&mut self, item: Item) {}
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `update`
[INFO] [stdout]    --> src/doc.rs:189:25
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn apply(&mut self, update: Self::Update) {}
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_update`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remote`
[INFO] [stdout]    --> src/doc.rs:190:20
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn diff(&self, remote: &StateVector) -> Self::Update {
[INFO] [stdout]     |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_remote`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `try_link`, `link`, and `resolve_pending` are never used
[INFO] [stdout]    --> src/doc.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout]  29 | impl<R: ConflictResolver> Doc<R> {
[INFO] [stdout]     | -------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 148 |     fn try_link(&mut self, item: Item) {}
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 149 |     fn link(&mut self, item: Item) {}
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 150 |     fn resolve_pending(&mut self) {}
[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 `BinaryEncode` is never used
[INFO] [stdout]   --> src/traits.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait BinaryEncode: Sized {
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]    --> src/doc.rs:148:28
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn try_link(&mut self, item: Item) {}
[INFO] [stdout]     |                            ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `item`
[INFO] [stdout]    --> src/doc.rs:149:24
[INFO] [stdout]     |
[INFO] [stdout] 149 |     fn link(&mut self, item: Item) {}
[INFO] [stdout]     |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_item`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `update`
[INFO] [stdout]    --> src/doc.rs:189:25
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn apply(&mut self, update: Self::Update) {}
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_update`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `remote`
[INFO] [stdout]    --> src/doc.rs:190:20
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn diff(&self, remote: &StateVector) -> Self::Update {
[INFO] [stdout]     |                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_remote`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `try_link`, `link`, and `resolve_pending` are never used
[INFO] [stdout]    --> src/doc.rs:148:8
[INFO] [stdout]     |
[INFO] [stdout]  29 | impl<R: ConflictResolver> Doc<R> {
[INFO] [stdout]     | -------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 148 |     fn try_link(&mut self, item: Item) {}
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 149 |     fn link(&mut self, item: Item) {}
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 150 |     fn resolve_pending(&mut self) {}
[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 `BinaryEncode` is never used
[INFO] [stdout]   --> src/traits.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub trait BinaryEncode: Sized {
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "13e6d5b958f82fd38dd252aef886dcdc24df28142c4522c47302fea782cc879a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13e6d5b958f82fd38dd252aef886dcdc24df28142c4522c47302fea782cc879a", kill_on_drop: false }`
[INFO] [stdout] 13e6d5b958f82fd38dd252aef886dcdc24df28142c4522c47302fea782cc879a
