[INFO] cloning repository https://github.com/naughie/natex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/naughie/natex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaughie%2Fnatex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaughie%2Fnatex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c978dbf0c07fc31e64fcd72aa311597c71ac983
[INFO] checking naughie/natex against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaughie%2Fnatex" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/naughie/natex on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/naughie/natex
[INFO] finished tweaking git repo https://github.com/naughie/natex
[INFO] tweaked toml for git repo https://github.com/naughie/natex written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/naughie/natex already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 252587811c8d5cfe7eeed1c746cd79f8858abf8c45470390ac532d514a2d62ea
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "252587811c8d5cfe7eeed1c746cd79f8858abf8c45470390ac532d514a2d62ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "252587811c8d5cfe7eeed1c746cd79f8858abf8c45470390ac532d514a2d62ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "252587811c8d5cfe7eeed1c746cd79f8858abf8c45470390ac532d514a2d62ea", kill_on_drop: false }`
[INFO] [stdout] 252587811c8d5cfe7eeed1c746cd79f8858abf8c45470390ac532d514a2d62ea
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23b3af43f19272dcd61f3b08bafb9f5ff7f086f671c5347ccdeed5551e266272
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "23b3af43f19272dcd61f3b08bafb9f5ff7f086f671c5347ccdeed5551e266272", kill_on_drop: false }`
[INFO] [stderr]     Checking natex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `doc`
[INFO] [stdout]   --> src/states/outer_structure.rs:47:33
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn tran_document<T: Writer>(doc: Document, s: String, o: &mut T) -> Result<States, String> {
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_doc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]   --> src/states/outer_structure.rs:47:59
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn tran_document<T: Writer>(doc: Document, s: String, o: &mut T) -> Result<States, String> {
[INFO] [stdout]    |                                                           ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/states/outer_structure/document.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(s: String) -> Result<Document, String> {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `doc`
[INFO] [stdout]   --> src/states/outer_structure.rs:47:33
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn tran_document<T: Writer>(doc: Document, s: String, o: &mut T) -> Result<States, String> {
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_doc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]   --> src/states/outer_structure.rs:47:59
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn tran_document<T: Writer>(doc: Document, s: String, o: &mut T) -> Result<States, String> {
[INFO] [stdout]    |                                                           ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/states/outer_structure/document.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(s: String) -> Result<Document, String> {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]  --> src/states/outer_structure/document.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     state: DocState,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]  --> src/states/outer_structure/document.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     state: DocState,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "23b3af43f19272dcd61f3b08bafb9f5ff7f086f671c5347ccdeed5551e266272", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23b3af43f19272dcd61f3b08bafb9f5ff7f086f671c5347ccdeed5551e266272", kill_on_drop: false }`
[INFO] [stdout] 23b3af43f19272dcd61f3b08bafb9f5ff7f086f671c5347ccdeed5551e266272