[INFO] cloning repository https://github.com/sivese/Doc-Tracker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sivese/Doc-Tracker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsivese%2FDoc-Tracker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsivese%2FDoc-Tracker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea8b155230074962873d1ba69f6c747374b6bd27
[INFO] checking sivese/Doc-Tracker against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsivese%2FDoc-Tracker" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sivese/Doc-Tracker on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sivese/Doc-Tracker
[INFO] finished tweaking git repo https://github.com/sivese/Doc-Tracker
[INFO] tweaked toml for git repo https://github.com/sivese/Doc-Tracker written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/sivese/Doc-Tracker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60bf68fb8caafc08b093a85441154eb3083e878e677e466ebd5e992da6030a73
[INFO] running `Command { std: "docker" "start" "-a" "60bf68fb8caafc08b093a85441154eb3083e878e677e466ebd5e992da6030a73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60bf68fb8caafc08b093a85441154eb3083e878e677e466ebd5e992da6030a73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60bf68fb8caafc08b093a85441154eb3083e878e677e466ebd5e992da6030a73", kill_on_drop: false }`
[INFO] [stdout] 60bf68fb8caafc08b093a85441154eb3083e878e677e466ebd5e992da6030a73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dffb958139b52de1b05812a5bf1962b132e2b6b2df482a88ccc88d35fc869b5f
[INFO] running `Command { std: "docker" "start" "-a" "dffb958139b52de1b05812a5bf1962b132e2b6b2df482a88ccc88d35fc869b5f", kill_on_drop: false }`
[INFO] [stderr]     Checking doc_tracker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]  --> src/reader.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn query_directory(path : String) {
[INFO] [stdout]   |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/reader.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn read_file(file : String) {
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Parser`
[INFO] [stdout]  --> src/parser.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Parser {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Rule`
[INFO] [stdout]   --> src/parser.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Rule {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Reader`
[INFO] [stdout]  --> src/reader.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Reader {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `query_directory`
[INFO] [stdout]  --> src/reader.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn query_directory(path : String) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_file`
[INFO] [stdout]   --> src/reader.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn read_file(file : String) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]  --> src/reader.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn query_directory(path : String) {
[INFO] [stdout]   |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/reader.rs:11:18
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn read_file(file : String) {
[INFO] [stdout]    |                  ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Parser`
[INFO] [stdout]  --> src/parser.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Parser {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Rule`
[INFO] [stdout]   --> src/parser.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum Rule {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Reader`
[INFO] [stdout]  --> src/reader.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Reader {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `query_directory`
[INFO] [stdout]  --> src/reader.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn query_directory(path : String) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read_file`
[INFO] [stdout]   --> src/reader.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn read_file(file : String) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "dffb958139b52de1b05812a5bf1962b132e2b6b2df482a88ccc88d35fc869b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dffb958139b52de1b05812a5bf1962b132e2b6b2df482a88ccc88d35fc869b5f", kill_on_drop: false }`
[INFO] [stdout] dffb958139b52de1b05812a5bf1962b132e2b6b2df482a88ccc88d35fc869b5f