[INFO] cloning repository https://github.com/yangrudan/collect_draw_r
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yangrudan/collect_draw_r" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyangrudan%2Fcollect_draw_r", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07b86b921ff10e469e0d1c69d5f7832ca891f7c2
[INFO] checking yangrudan/collect_draw_r against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyangrudan%2Fcollect_draw_r" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yangrudan/collect_draw_r
[INFO] finished tweaking git repo https://github.com/yangrudan/collect_draw_r
[INFO] tweaked toml for git repo https://github.com/yangrudan/collect_draw_r written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yangrudan/collect_draw_r on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
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[INFO] crate git repo https://github.com/yangrudan/collect_draw_r 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 8a7487534962596cfed273652597165f1fec95fa522a46e75f670775a192e713
[INFO] running `Command { std: "docker" "start" "-a" "8a7487534962596cfed273652597165f1fec95fa522a46e75f670775a192e713", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4f6d77071801cc5df87985086052bc2063c41bb858543c2b874dba8147a6427
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[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/framegraph_generator.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/process_data.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 |     for (i, trace) in frames.iter().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cframe`
[INFO] [stdout]   --> src/process_data.rs:46:31
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 Frame::CFrame(cframe) => {
[INFO] [stdout]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cframe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pyframe`
[INFO] [stdout]   --> src/process_data.rs:53:32
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 Frame::PyFrame(pyframe) => {
[INFO] [stdout]    |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pyframe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file_to_list` is never used
[INFO] [stdout]    --> src/stack_merger.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn read_file_to_list(file_path: &str) -> io::Result<Vec<String>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/process_data.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 |     for (i, trace) in frames.iter().enumerate() {
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cframe`
[INFO] [stdout]   --> src/process_data.rs:46:31
[INFO] [stdout]    |
[INFO] [stdout] 46 |                 Frame::CFrame(cframe) => {
[INFO] [stdout]    |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cframe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pyframe`
[INFO] [stdout]   --> src/process_data.rs:53:32
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 Frame::PyFrame(pyframe) => {
[INFO] [stdout]    |                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pyframe`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/process_data.rs:61:35
[INFO] [stdout]    |
[INFO] [stdout] 61 |             local_stack.push(frame.clone());
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Frame` does not implement `Clone`, so calling `clone` on `&Frame` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 61 -             local_stack.push(frame.clone());
[INFO] [stdout] 61 +             local_stack.push(frame);
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `Frame`, implement `Clone` for it
[INFO] [stdout]    |
[INFO] [stdout]  7 + #[derive(Clone)]
[INFO] [stdout]  8 | enum Frame {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_file_to_list` is never used
[INFO] [stdout]    --> src/stack_merger.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn read_file_to_list(file_path: &str) -> io::Result<Vec<String>> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/process_data.rs:61:35
[INFO] [stdout]    |
[INFO] [stdout] 61 |             local_stack.push(frame.clone());
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Frame` does not implement `Clone`, so calling `clone` on `&Frame` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 61 -             local_stack.push(frame.clone());
[INFO] [stdout] 61 +             local_stack.push(frame);
[INFO] [stdout]    |
[INFO] [stdout] help: if you meant to clone `Frame`, implement `Clone` for it
[INFO] [stdout]    |
[INFO] [stdout]  7 + #[derive(Clone)]
[INFO] [stdout]  8 | enum Frame {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.42s
[INFO] running `Command { std: "docker" "inspect" "c4f6d77071801cc5df87985086052bc2063c41bb858543c2b874dba8147a6427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4f6d77071801cc5df87985086052bc2063c41bb858543c2b874dba8147a6427", kill_on_drop: false }`
[INFO] [stdout] c4f6d77071801cc5df87985086052bc2063c41bb858543c2b874dba8147a6427