[INFO] cloning repository https://github.com/sanyuan0704/tiny-md-compiler-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sanyuan0704/tiny-md-compiler-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanyuan0704%2Ftiny-md-compiler-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanyuan0704%2Ftiny-md-compiler-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab0e8437bd27b9aad7a56e918b68d1847a61200d
[INFO] checking sanyuan0704/tiny-md-compiler-rs against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsanyuan0704%2Ftiny-md-compiler-rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sanyuan0704/tiny-md-compiler-rs on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sanyuan0704/tiny-md-compiler-rs
[INFO] finished tweaking git repo https://github.com/sanyuan0704/tiny-md-compiler-rs
[INFO] tweaked toml for git repo https://github.com/sanyuan0704/tiny-md-compiler-rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sanyuan0704/tiny-md-compiler-rs 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c55379eb751859ff0265d677df4fc3ce29ef04aaaa43f3a4f0a9e9b98d19ce5f
[INFO] running `Command { std: "docker" "start" "-a" "c55379eb751859ff0265d677df4fc3ce29ef04aaaa43f3a4f0a9e9b98d19ce5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c55379eb751859ff0265d677df4fc3ce29ef04aaaa43f3a4f0a9e9b98d19ce5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c55379eb751859ff0265d677df4fc3ce29ef04aaaa43f3a4f0a9e9b98d19ce5f", kill_on_drop: false }`
[INFO] [stdout] c55379eb751859ff0265d677df4fc3ce29ef04aaaa43f3a4f0a9e9b98d19ce5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e7ab20254402498cd26d8067f43af22da60ec245d2b070124fe720b4d453148
[INFO] running `Command { std: "docker" "start" "-a" "1e7ab20254402498cd26d8067f43af22da60ec245d2b070124fe720b4d453148", kill_on_drop: false }`
[INFO] [stderr]     Checking md-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BufReader`, `JoinHandle`, `path::Path`, `self`, and `time::Instant`
[INFO] [stdout]  --> src/lib.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 |   io::{BufReader, Read, Write},
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 4 |   path::Path,
[INFO] [stdout]   |   ^^^^^^^^^^
[INFO] [stdout] 5 |   thread::{self, JoinHandle},
[INFO] [stdout]   |            ^^^^  ^^^^^^^^^^
[INFO] [stdout] 6 |   time::Instant,
[INFO] [stdout]   |   ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/lib.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |     .for_each(|(index, line)| {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader` and `path::Path`
[INFO] [stdout]  --> src/lib.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 |   io::{BufReader, Read, Write},
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 4 |   path::Path,
[INFO] [stdout]   |   ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/lib.rs:24:17
[INFO] [stdout]    |
[INFO] [stdout] 24 |     .for_each(|(index, line)| {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "1e7ab20254402498cd26d8067f43af22da60ec245d2b070124fe720b4d453148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e7ab20254402498cd26d8067f43af22da60ec245d2b070124fe720b4d453148", kill_on_drop: false }`
[INFO] [stdout] 1e7ab20254402498cd26d8067f43af22da60ec245d2b070124fe720b4d453148