[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#982c6f8721416431ec62bb0b9105c0578a9fc603 for pr-129329
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiujiangkun%2FMarkdowner" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qiujiangkun/Markdowner on toolchain 982c6f8721416431ec62bb0b9105c0578a9fc603
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+982c6f8721416431ec62bb0b9105c0578a9fc603" "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-6-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+982c6f8721416431ec62bb0b9105c0578a9fc603" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking qiujiangkun/Markdowner against try#fa63ef4ad80785c0f3f362275f3772bdc67c23e0 for pr-129329
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiujiangkun%2FMarkdowner" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qiujiangkun/Markdowner on toolchain fa63ef4ad80785c0f3f362275f3772bdc67c23e0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fa63ef4ad80785c0f3f362275f3772bdc67c23e0" "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-6-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fa63ef4ad80785c0f3f362275f3772bdc67c23e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking qiujiangkun/Markdowner against try#fa63ef4ad80785c0f3f362275f3772bdc67c23e0 for pr-129329
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqiujiangkun%2FMarkdowner" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/qiujiangkun/Markdowner on toolchain fa63ef4ad80785c0f3f362275f3772bdc67c23e0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fa63ef4ad80785c0f3f362275f3772bdc67c23e0" "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-6-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fa63ef4ad80785c0f3f362275f3772bdc67c23e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+fa63ef4ad80785c0f3f362275f3772bdc67c23e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9621419c4080784a75bb5efb5c003bb969982d9303ae58ce245836ab2a6217f7
[INFO] running `Command { std: "docker" "start" "-a" "9621419c4080784a75bb5efb5c003bb969982d9303ae58ce245836ab2a6217f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9621419c4080784a75bb5efb5c003bb969982d9303ae58ce245836ab2a6217f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9621419c4080784a75bb5efb5c003bb969982d9303ae58ce245836ab2a6217f7", kill_on_drop: false }`
[INFO] [stdout] 9621419c4080784a75bb5efb5c003bb969982d9303ae58ce245836ab2a6217f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+fa63ef4ad80785c0f3f362275f3772bdc67c23e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69bc8efc93e949a41e5fe9ea27b5adc32ae01876fc33e7fd41dd5f7319fdce3e
[INFO] running `Command { std: "docker" "start" "-a" "69bc8efc93e949a41e5fe9ea27b5adc32ae01876fc33e7fd41dd5f7319fdce3e", kill_on_drop: false }`
[INFO] [stderr]     Checking termcolor v1.0.5
[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: method `push_char` is never used
[INFO] [stdout]   --> src/parser.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait Buf {
[INFO] [stdout]    |           --- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn push_char(&mut self, ch: char);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trim_left` is never used
[INFO] [stdout]    --> src/parser.rs:348:8
[INFO] [stdout]     |
[INFO] [stdout] 348 |     fn trim_left(buf: &mut InnerBuffer) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trim_right` is never used
[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 `trim` is never used
[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_line_ending` is never used
[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: 6 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: method `push_char` is never used
[INFO] [stdout]   --> src/parser.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait Buf {
[INFO] [stdout]    |           --- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 16 |     fn push_char(&mut self, ch: char);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trim_left` is never used
[INFO] [stdout]    --> src/parser.rs:348:8
[INFO] [stdout]     |
[INFO] [stdout] 348 |     fn trim_left(buf: &mut InnerBuffer) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trim_right` is never used
[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 `trim` is never used
[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_line_ending` is never used
[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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "69bc8efc93e949a41e5fe9ea27b5adc32ae01876fc33e7fd41dd5f7319fdce3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69bc8efc93e949a41e5fe9ea27b5adc32ae01876fc33e7fd41dd5f7319fdce3e", kill_on_drop: false }`
[INFO] [stdout] 69bc8efc93e949a41e5fe9ea27b5adc32ae01876fc33e7fd41dd5f7319fdce3e