[INFO] updating cached repository https://github.com/vgandari/tok
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 04e8327764685bf0ea63d8949e7252f58168cb35
[INFO] checking vgandari/tok against master#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvgandari%2Ftok" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vgandari/tok on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/vgandari/tok
[INFO] finished tweaking git repo https://github.com/vgandari/tok
[INFO] tweaked toml for git repo https://github.com/vgandari/tok written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/vgandari/tok already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9b0f12266bbba105af7e2b5194cd1465161996af3dd0da8df95c92cc3f0fbd54
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "9b0f12266bbba105af7e2b5194cd1465161996af3dd0da8df95c92cc3f0fbd54"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]     Checking chrono v0.4.8
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]     Checking tok v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]    --> src/tex/mod.rs:562:2
[INFO] [stderr]     |
[INFO] [stderr] 562 |     node: Rc<RefCell<Node<YamlData>>>,
[INFO] [stderr]     |     ^^^^ help: consider prefixing with an underscore: `_node`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `heading`
[INFO] [stderr]    --> src/tex/mod.rs:589:7
[INFO] [stderr]     |
[INFO] [stderr] 589 |         let heading = sorted_nodes[a].borrow().data().heading();
[INFO] [stderr]     |             ^^^^^^^ help: consider prefixing with an underscore: `_heading`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/tex/mod.rs:583:2
[INFO] [stderr]     |
[INFO] [stderr] 583 |     b: usize,
[INFO] [stderr]     |     ^ help: consider prefixing with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `heading_counts`
[INFO] [stderr]    --> src/tex/mod.rs:585:2
[INFO] [stderr]     |
[INFO] [stderr] 585 |     heading_counts: [usize; 5],
[INFO] [stderr]     |     ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_heading_counts`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]    --> src/tex/mod.rs:562:2
[INFO] [stderr]     |
[INFO] [stderr] 562 |     node: Rc<RefCell<Node<YamlData>>>,
[INFO] [stderr]     |     ^^^^ help: consider prefixing with an underscore: `_node`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `heading`
[INFO] [stderr]    --> src/tex/mod.rs:589:7
[INFO] [stderr]     |
[INFO] [stderr] 589 |         let heading = sorted_nodes[a].borrow().data().heading();
[INFO] [stderr]     |             ^^^^^^^ help: consider prefixing with an underscore: `_heading`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/tex/mod.rs:583:2
[INFO] [stderr]     |
[INFO] [stderr] 583 |     b: usize,
[INFO] [stderr]     |     ^ help: consider prefixing with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `heading_counts`
[INFO] [stderr]    --> src/tex/mod.rs:585:2
[INFO] [stderr]     |
[INFO] [stderr] 585 |     heading_counts: [usize; 5],
[INFO] [stderr]     |     ^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_heading_counts`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sec`
[INFO] [stderr]    --> src/yaml/mod.rs:194:2
[INFO] [stderr]     |
[INFO] [stderr] 194 |     sec: String,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sec`
[INFO] [stderr]    --> src/yaml/mod.rs:194:2
[INFO] [stderr]     |
[INFO] [stderr] 194 |     sec: String,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.69s
[INFO] running `"docker" "inspect" "9b0f12266bbba105af7e2b5194cd1465161996af3dd0da8df95c92cc3f0fbd54"`
[INFO] running `"docker" "rm" "-f" "9b0f12266bbba105af7e2b5194cd1465161996af3dd0da8df95c92cc3f0fbd54"`
[INFO] [stdout] 9b0f12266bbba105af7e2b5194cd1465161996af3dd0da8df95c92cc3f0fbd54