[INFO] cloning repository https://github.com/rvben/rumdl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rvben/rumdl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frvben%2Frumdl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frvben%2Frumdl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b3c46bddb510f092f23a46e392cdd3d612f0bda
[INFO] checking rvben/rumdl against master#11d2046fe9962720558cb15f72541f7fd170dec9 for pr-139493-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frvben%2Frumdl" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/rvben/rumdl
[INFO] finished tweaking git repo https://github.com/rvben/rumdl
[INFO] tweaked toml for git repo https://github.com/rvben/rumdl written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rvben/rumdl on toolchain 11d2046fe9962720558cb15f72541f7fd170dec9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11d2046fe9962720558cb15f72541f7fd170dec9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rvben/rumdl 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" "+11d2046fe9962720558cb15f72541f7fd170dec9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ref-cast v1.0.25
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+11d2046fe9962720558cb15f72541f7fd170dec9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5010a7e6c12379c6679e36376940868f493883c89f09792bcd8c149c70c35e1e
[INFO] running `Command { std: "docker" "start" "-a" "5010a7e6c12379c6679e36376940868f493883c89f09792bcd8c149c70c35e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5010a7e6c12379c6679e36376940868f493883c89f09792bcd8c149c70c35e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5010a7e6c12379c6679e36376940868f493883c89f09792bcd8c149c70c35e1e", kill_on_drop: false }`
[INFO] [stdout] 5010a7e6c12379c6679e36376940868f493883c89f09792bcd8c149c70c35e1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+11d2046fe9962720558cb15f72541f7fd170dec9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6f85a02ba63f404efb1300aaf14858e4c616dc43106b54a5d162fca993dc2f0
[INFO] running `Command { std: "docker" "start" "-a" "f6f85a02ba63f404efb1300aaf14858e4c616dc43106b54a5d162fca993dc2f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.226
[INFO] [stderr]    Compiling serde v1.0.226
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[INFO] [stderr]    Compiling serde_json v1.0.145
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[INFO] [stderr]    Compiling serde_derive v1.0.226
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerovec-derive v0.11.1
[INFO] [stderr]    Compiling displaydoc v0.2.5
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[INFO] [stderr]     Checking rumdl v0.0.166 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `LinkImageStyle` is never used
[INFO] [stdout]   --> src/rules/md054_link_image_style.rs:72:10
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub enum LinkImageStyle {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `LinkImageStyle` is never used
[INFO] [stdout]   --> src/rules/md054_link_image_style.rs:72:10
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub enum LinkImageStyle {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 29s
[INFO] running `Command { std: "docker" "inspect" "f6f85a02ba63f404efb1300aaf14858e4c616dc43106b54a5d162fca993dc2f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6f85a02ba63f404efb1300aaf14858e4c616dc43106b54a5d162fca993dc2f0", kill_on_drop: false }`
[INFO] [stdout] f6f85a02ba63f404efb1300aaf14858e4c616dc43106b54a5d162fca993dc2f0