[INFO] cloning repository https://github.com/rollrat/tiny-graph-optimizer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rollrat/tiny-graph-optimizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frollrat%2Ftiny-graph-optimizer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frollrat%2Ftiny-graph-optimizer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e721c92d29b2de5313f3ecde61e151b679e99bd6 [INFO] checking rollrat/tiny-graph-optimizer against try#b047d5f4496a7526d91d0dddea494c05853f2a7b for pr-122661-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frollrat%2Ftiny-graph-optimizer" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/rollrat/tiny-graph-optimizer [INFO] finished tweaking git repo https://github.com/rollrat/tiny-graph-optimizer [INFO] tweaked toml for git repo https://github.com/rollrat/tiny-graph-optimizer written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rollrat/tiny-graph-optimizer on toolchain b047d5f4496a7526d91d0dddea494c05853f2a7b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/rollrat/tiny-graph-optimizer 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" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "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 [ERROR] error running command: no output for 300 seconds [INFO] checking rollrat/tiny-graph-optimizer against try#b047d5f4496a7526d91d0dddea494c05853f2a7b for pr-122661-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frollrat%2Ftiny-graph-optimizer" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/rollrat/tiny-graph-optimizer [INFO] finished tweaking git repo https://github.com/rollrat/tiny-graph-optimizer [INFO] tweaked toml for git repo https://github.com/rollrat/tiny-graph-optimizer written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/rollrat/tiny-graph-optimizer on toolchain b047d5f4496a7526d91d0dddea494c05853f2a7b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/rollrat/tiny-graph-optimizer 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" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "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-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cecff8f41ff939e44df14609896162d6bde567ed643592c37f8ef60d2a9162a4 [INFO] running `Command { std: "docker" "start" "-a" "cecff8f41ff939e44df14609896162d6bde567ed643592c37f8ef60d2a9162a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cecff8f41ff939e44df14609896162d6bde567ed643592c37f8ef60d2a9162a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cecff8f41ff939e44df14609896162d6bde567ed643592c37f8ef60d2a9162a4", kill_on_drop: false }` [INFO] [stdout] cecff8f41ff939e44df14609896162d6bde567ed643592c37f8ef60d2a9162a4 [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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 165fecaf942b314e5952c041a0492ed5c91b7135c1c75146e7167e6e1eb5721b [INFO] running `Command { std: "docker" "start" "-a" "165fecaf942b314e5952c041a0492ed5c91b7135c1c75146e7167e6e1eb5721b", kill_on_drop: false }` [INFO] [stderr] Checking tiny-graph-optimizer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `cmp::Ordering` and `io` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | cmp::Ordering, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 3 | io, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `cmp::Ordering` and `io` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | cmp::Ordering, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 3 | io, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `none` should have an upper camel case name [INFO] [stdout] --> src/main.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | none, [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case: `None` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `none` should have an upper camel case name [INFO] [stdout] --> src/main.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | none, [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case: `None` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `plus` should have an upper camel case name [INFO] [stdout] --> src/main.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | plus, [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case: `Plus` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `plus` should have an upper camel case name [INFO] [stdout] --> src/main.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 41 | plus, [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case: `Plus` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `minus` should have an upper camel case name [INFO] [stdout] --> src/main.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | minus, [INFO] [stdout] | ^^^^^ help: convert the identifier to upper camel case: `Minus` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `minus` should have an upper camel case name [INFO] [stdout] --> src/main.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | minus, [INFO] [stdout] | ^^^^^ help: convert the identifier to upper camel case: `Minus` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `multiple` should have an upper camel case name [INFO] [stdout] --> src/main.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | multiple, [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to upper camel case: `Multiple` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `multiple` should have an upper camel case name [INFO] [stdout] --> src/main.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | multiple, [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to upper camel case: `Multiple` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `divide` should have an upper camel case name [INFO] [stdout] --> src/main.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | divide, [INFO] [stdout] | ^^^^^^ help: convert the identifier to upper camel case: `Divide` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `divide` should have an upper camel case name [INFO] [stdout] --> src/main.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | divide, [INFO] [stdout] | ^^^^^^ help: convert the identifier to upper camel case: `Divide` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/main.rs:53:19 [INFO] [stdout] | [INFO] [stdout] 53 | fn simulate_graph(node: GraphNode) {} [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/main.rs:53:19 [INFO] [stdout] | [INFO] [stdout] 53 | fn simulate_graph(node: GraphNode) {} [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `column_size` and `row_size` are never read [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | struct MatrixDescription { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] 9 | column_size: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 10 | row_size: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MatrixDescription` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `column_size` and `row_size` are never read [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 8 | struct MatrixDescription { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] 9 | column_size: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 10 | row_size: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MatrixDescription` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `inv` and `can_multiply` are never used [INFO] [stdout] --> src/main.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 13 | impl MatrixDescription { [INFO] [stdout] | ---------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 21 | fn inv(&self) -> MatrixDescription { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | fn can_multiply(&self, other: &MatrixDescription) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `inv` and `can_multiply` are never used [INFO] [stdout] --> src/main.rs:21:8 [INFO] [stdout] | [INFO] [stdout] 13 | impl MatrixDescription { [INFO] [stdout] | ---------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 21 | fn inv(&self) -> MatrixDescription { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 28 | fn can_multiply(&self, other: &MatrixDescription) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GraphNode` is never constructed [INFO] [stdout] --> src/main.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | struct GraphNode { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GraphNode` is never constructed [INFO] [stdout] --> src/main.rs:33:8 [INFO] [stdout] | [INFO] [stdout] 33 | struct GraphNode { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `GraphOperation` is never used [INFO] [stdout] --> src/main.rs:39:6 [INFO] [stdout] | [INFO] [stdout] 39 | enum GraphOperation { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `GraphOperation` is never used [INFO] [stdout] --> src/main.rs:39:6 [INFO] [stdout] | [INFO] [stdout] 39 | enum GraphOperation { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GraphOperator` is never constructed [INFO] [stdout] --> src/main.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 47 | struct GraphOperator { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `GraphOperator` is never constructed [INFO] [stdout] --> src/main.rs:47:8 [INFO] [stdout] | [INFO] [stdout] 47 | struct GraphOperator { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `simulate_graph` is never used [INFO] [stdout] --> src/main.rs:53:4 [INFO] [stdout] | [INFO] [stdout] 53 | fn simulate_graph(node: GraphNode) {} [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `simulate_graph` is never used [INFO] [stdout] --> src/main.rs:53:4 [INFO] [stdout] | [INFO] [stdout] 53 | fn simulate_graph(node: GraphNode) {} [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] running `Command { std: "docker" "inspect" "165fecaf942b314e5952c041a0492ed5c91b7135c1c75146e7167e6e1eb5721b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "165fecaf942b314e5952c041a0492ed5c91b7135c1c75146e7167e6e1eb5721b", kill_on_drop: false }` [INFO] [stdout] 165fecaf942b314e5952c041a0492ed5c91b7135c1c75146e7167e6e1eb5721b