[INFO] cloning repository https://github.com/nad2040/shunting-yard-visualizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nad2040/shunting-yard-visualizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnad2040%2Fshunting-yard-visualizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnad2040%2Fshunting-yard-visualizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cc341552d74bae3f413f49b52c71c4b18f902b54
[INFO] checking nad2040/shunting-yard-visualizer against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnad2040%2Fshunting-yard-visualizer" "/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/nad2040/shunting-yard-visualizer
[INFO] finished tweaking git repo https://github.com/nad2040/shunting-yard-visualizer
[INFO] tweaked toml for git repo https://github.com/nad2040/shunting-yard-visualizer written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nad2040/shunting-yard-visualizer on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nad2040/shunting-yard-visualizer 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3db9e07f9a0477e3b617e2905ae606a1219c9e283a4e9e562dc27969ebc00c55
[INFO] running `Command { std: "docker" "start" "-a" "3db9e07f9a0477e3b617e2905ae606a1219c9e283a4e9e562dc27969ebc00c55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3db9e07f9a0477e3b617e2905ae606a1219c9e283a4e9e562dc27969ebc00c55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3db9e07f9a0477e3b617e2905ae606a1219c9e283a4e9e562dc27969ebc00c55", kill_on_drop: false }`
[INFO] [stdout] 3db9e07f9a0477e3b617e2905ae606a1219c9e283a4e9e562dc27969ebc00c55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51e1a5a48d0c5a101d940852f8bd14badf31dfed3e36272f81cc7fd65369de7e
[INFO] running `Command { std: "docker" "start" "-a" "51e1a5a48d0c5a101d940852f8bd14badf31dfed3e36272f81cc7fd65369de7e", kill_on_drop: false }`
[INFO] [stderr]     Checking shunting-yard-visualizer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `debug_stack` is never used
[INFO] [stdout]    --> src/parser.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout]  10 | impl ShuntingYardParser {
[INFO] [stdout]     | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 105 |     fn debug_stack(&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: method `debug_stack` is never used
[INFO] [stdout]    --> src/parser.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout]  10 | impl ShuntingYardParser {
[INFO] [stdout]     | ----------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 105 |     fn debug_stack(&self) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "51e1a5a48d0c5a101d940852f8bd14badf31dfed3e36272f81cc7fd65369de7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51e1a5a48d0c5a101d940852f8bd14badf31dfed3e36272f81cc7fd65369de7e", kill_on_drop: false }`
[INFO] [stdout] 51e1a5a48d0c5a101d940852f8bd14badf31dfed3e36272f81cc7fd65369de7e