[INFO] cloning repository https://github.com/wsdjeg/mdctags.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wsdjeg/mdctags.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwsdjeg%2Fmdctags.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwsdjeg%2Fmdctags.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ed9736ea0c77e6ff5b560dda46f5ed0a983ed82
[INFO] checking wsdjeg/mdctags.rs against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwsdjeg%2Fmdctags.rs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wsdjeg/mdctags.rs on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wsdjeg/mdctags.rs
[INFO] finished tweaking git repo https://github.com/wsdjeg/mdctags.rs
[INFO] tweaked toml for git repo https://github.com/wsdjeg/mdctags.rs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/wsdjeg/mdctags.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4aaed0ce41e6405a58816ce0ccc504cb9a310a427a6029dea7c017c601ce01bd
[INFO] running `Command { std: "docker" "start" "-a" "4aaed0ce41e6405a58816ce0ccc504cb9a310a427a6029dea7c017c601ce01bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4aaed0ce41e6405a58816ce0ccc504cb9a310a427a6029dea7c017c601ce01bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4aaed0ce41e6405a58816ce0ccc504cb9a310a427a6029dea7c017c601ce01bd", kill_on_drop: false }`
[INFO] [stdout] 4aaed0ce41e6405a58816ce0ccc504cb9a310a427a6029dea7c017c601ce01bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94c18b1c4458aa847ac8d28d1f899ec487990a017b7fe17c9c02b28665a7280c
[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" "94c18b1c4458aa847ac8d28d1f899ec487990a017b7fe17c9c02b28665a7280c", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking mdctags v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.42s
[INFO] running `Command { std: "docker" "inspect" "94c18b1c4458aa847ac8d28d1f899ec487990a017b7fe17c9c02b28665a7280c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94c18b1c4458aa847ac8d28d1f899ec487990a017b7fe17c9c02b28665a7280c", kill_on_drop: false }`
[INFO] [stdout] 94c18b1c4458aa847ac8d28d1f899ec487990a017b7fe17c9c02b28665a7280c