[INFO] cloning repository https://github.com/qiujiangkun/Markdowner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qiujiangkun/Markdowner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiujiangkun%2FMarkdowner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiujiangkun%2FMarkdowner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c377f2de57908afdb9bd4ec70445658190821bdd
[INFO] checking qiujiangkun/Markdowner against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiujiangkun%2FMarkdowner" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qiujiangkun/Markdowner on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/qiujiangkun/Markdowner
[INFO] finished tweaking git repo https://github.com/qiujiangkun/Markdowner
[INFO] tweaked toml for git repo https://github.com/qiujiangkun/Markdowner written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/qiujiangkun/Markdowner already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da66d2f8774fff045a08a35941510efb4d25921b0b8ce79ba3f1fb39885c14fb
[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" "da66d2f8774fff045a08a35941510efb4d25921b0b8ce79ba3f1fb39885c14fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da66d2f8774fff045a08a35941510efb4d25921b0b8ce79ba3f1fb39885c14fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da66d2f8774fff045a08a35941510efb4d25921b0b8ce79ba3f1fb39885c14fb", kill_on_drop: false }`
[INFO] [stdout] da66d2f8774fff045a08a35941510efb4d25921b0b8ce79ba3f1fb39885c14fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c081e9a6db43f8e1647c6e509df275fa4684bc73c78ff24d027760b8d1a75550
[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" "c081e9a6db43f8e1647c6e509df275fa4684bc73c78ff24d027760b8d1a75550", kill_on_drop: false }`
[INFO] [stderr]     Checking markdowner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/parser.rs:358:13
[INFO] [stdout]     |
[INFO] [stdout] 358 |         for i in j..buf.len() {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `trim_left`
[INFO] [stdout]    --> src/parser.rs:348:8
[INFO] [stdout]     |
[INFO] [stdout] 348 |     fn trim_left(buf: &mut InnerBuffer) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `trim_right`
[INFO] [stdout]    --> src/parser.rs:363:8
[INFO] [stdout]     |
[INFO] [stdout] 363 |     fn trim_right(buf: &mut InnerBuffer) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `trim`
[INFO] [stdout]    --> src/parser.rs:373:8
[INFO] [stdout]     |
[INFO] [stdout] 373 |     fn trim(buf: &mut InnerBuffer) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_line_ending`
[INFO] [stdout]    --> src/parser.rs:488:8
[INFO] [stdout]     |
[INFO] [stdout] 488 |     fn is_line_ending(text: &InnerBuffer, pos: usize) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/parser.rs:358:13
[INFO] [stdout]     |
[INFO] [stdout] 358 |         for i in j..buf.len() {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `trim_left`
[INFO] [stdout]    --> src/parser.rs:348:8
[INFO] [stdout]     |
[INFO] [stdout] 348 |     fn trim_left(buf: &mut InnerBuffer) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `trim_right`
[INFO] [stdout]    --> src/parser.rs:363:8
[INFO] [stdout]     |
[INFO] [stdout] 363 |     fn trim_right(buf: &mut InnerBuffer) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `trim`
[INFO] [stdout]    --> src/parser.rs:373:8
[INFO] [stdout]     |
[INFO] [stdout] 373 |     fn trim(buf: &mut InnerBuffer) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_line_ending`
[INFO] [stdout]    --> src/parser.rs:488:8
[INFO] [stdout]     |
[INFO] [stdout] 488 |     fn is_line_ending(text: &InnerBuffer, pos: usize) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "c081e9a6db43f8e1647c6e509df275fa4684bc73c78ff24d027760b8d1a75550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c081e9a6db43f8e1647c6e509df275fa4684bc73c78ff24d027760b8d1a75550", kill_on_drop: false }`
[INFO] [stdout] c081e9a6db43f8e1647c6e509df275fa4684bc73c78ff24d027760b8d1a75550