[INFO] cloning repository https://github.com/MarcoIeni/rust-docs-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarcoIeni/rust-docs-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcoIeni%2Frust-docs-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcoIeni%2Frust-docs-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 971da97955d522992c3c567b1d8cc5ab69e67c3b
[INFO] checking MarcoIeni/rust-docs-experiment against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcoIeni%2Frust-docs-experiment" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MarcoIeni/rust-docs-experiment on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MarcoIeni/rust-docs-experiment
[INFO] finished tweaking git repo https://github.com/MarcoIeni/rust-docs-experiment
[INFO] tweaked toml for git repo https://github.com/MarcoIeni/rust-docs-experiment written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/MarcoIeni/rust-docs-experiment already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38602d7d1cffdc2c25d4a88b9d11ffef52ea128bc8c9863df254e1b385bd1a92
[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" "38602d7d1cffdc2c25d4a88b9d11ffef52ea128bc8c9863df254e1b385bd1a92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38602d7d1cffdc2c25d4a88b9d11ffef52ea128bc8c9863df254e1b385bd1a92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38602d7d1cffdc2c25d4a88b9d11ffef52ea128bc8c9863df254e1b385bd1a92", kill_on_drop: false }`
[INFO] [stdout] 38602d7d1cffdc2c25d4a88b9d11ffef52ea128bc8c9863df254e1b385bd1a92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc257377360d1d7284a2a2901bb51da1a88286ac8577ad3da7c8ab00adaeeb32
[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" "dc257377360d1d7284a2a2901bb51da1a88286ac8577ad3da7c8ab00adaeeb32", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-docs-experiment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "dc257377360d1d7284a2a2901bb51da1a88286ac8577ad3da7c8ab00adaeeb32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc257377360d1d7284a2a2901bb51da1a88286ac8577ad3da7c8ab00adaeeb32", kill_on_drop: false }`
[INFO] [stdout] dc257377360d1d7284a2a2901bb51da1a88286ac8577ad3da7c8ab00adaeeb32