[INFO] cloning repository https://github.com/ayazhafiz/crystal-ah
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ayazhafiz/crystal-ah" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayazhafiz%2Fcrystal-ah", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayazhafiz%2Fcrystal-ah'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 766198724e3870dd3d3db9cd2bace71eb24ef8de
[INFO] checking ayazhafiz/crystal-ah against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayazhafiz%2Fcrystal-ah" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ayazhafiz/crystal-ah on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ayazhafiz/crystal-ah
[INFO] finished tweaking git repo https://github.com/ayazhafiz/crystal-ah
[INFO] tweaked toml for git repo https://github.com/ayazhafiz/crystal-ah written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ayazhafiz/crystal-ah already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c57058612c8c0b1d37bb4ce897aa048569bcda9d89c95dcbace00a2111c3fdb2
[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" "c57058612c8c0b1d37bb4ce897aa048569bcda9d89c95dcbace00a2111c3fdb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c57058612c8c0b1d37bb4ce897aa048569bcda9d89c95dcbace00a2111c3fdb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c57058612c8c0b1d37bb4ce897aa048569bcda9d89c95dcbace00a2111c3fdb2", kill_on_drop: false }`
[INFO] [stdout] c57058612c8c0b1d37bb4ce897aa048569bcda9d89c95dcbace00a2111c3fdb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e539ad79655e711d947298857143cecf218235f63a19d5a8d027782d59d9538
[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" "1e539ad79655e711d947298857143cecf218235f63a19d5a8d027782d59d9538", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]     Checking rcalc v0.1.2
[INFO] [stderr]     Checking site v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.37s
[INFO] running `Command { std: "docker" "inspect" "1e539ad79655e711d947298857143cecf218235f63a19d5a8d027782d59d9538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e539ad79655e711d947298857143cecf218235f63a19d5a8d027782d59d9538", kill_on_drop: false }`
[INFO] [stdout] 1e539ad79655e711d947298857143cecf218235f63a19d5a8d027782d59d9538