[INFO] crate roads 0.1.0 is already in cache
[INFO] checking roads-0.1.0 against master#be493fe8cc40c3d3f6030a1313c1ff747fce770d for pr-69129
[INFO] extracting crate roads 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate roads 0.1.0 on toolchain be493fe8cc40c3d3f6030a1313c1ff747fce770d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+be493fe8cc40c3d3f6030a1313c1ff747fce770d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate roads 0.1.0
[INFO] finished tweaking crates.io crate roads 0.1.0
[INFO] tweaked toml for crates.io crate roads 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate roads 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+be493fe8cc40c3d3f6030a1313c1ff747fce770d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+be493fe8cc40c3d3f6030a1313c1ff747fce770d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 20941e952e5072b3ee2714d22f34affc338b8de9aad53e1a62428ee299a6f411
[INFO] running `"docker" "start" "-a" "20941e952e5072b3ee2714d22f34affc338b8de9aad53e1a62428ee299a6f411"`
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking oats v0.1.0
[INFO] [stderr]     Checking roads v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `oats::Version`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use oats::Version;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `YamlEmitter`
[INFO] [stderr]  --> src/main.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use yaml_rust::{YamlEmitter, YamlLoader};
[INFO] [stderr]   |                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `oats::Version`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use oats::Version;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `o`
[INFO] [stderr]   --> src/main.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let o: oats::OpenAPI;
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_o`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `YamlEmitter`
[INFO] [stderr]  --> src/main.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 | use yaml_rust::{YamlEmitter, YamlLoader};
[INFO] [stderr]   |                 ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `o`
[INFO] [stderr]   --> src/main.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let o: oats::OpenAPI;
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_o`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.88s
[INFO] running `"docker" "inspect" "20941e952e5072b3ee2714d22f34affc338b8de9aad53e1a62428ee299a6f411"`
[INFO] running `"docker" "rm" "-f" "20941e952e5072b3ee2714d22f34affc338b8de9aad53e1a62428ee299a6f411"`
[INFO] [stdout] 20941e952e5072b3ee2714d22f34affc338b8de9aad53e1a62428ee299a6f411