[INFO] cloning repository https://github.com/erlendr/rust_rt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/erlendr/rust_rt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferlendr%2Frust_rt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferlendr%2Frust_rt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 707acaa61f229abd516adaf693c45136095e6665
[INFO] checking erlendr/rust_rt against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ferlendr%2Frust_rt" "/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/erlendr/rust_rt on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/erlendr/rust_rt
[INFO] finished tweaking git repo https://github.com/erlendr/rust_rt
[INFO] tweaked toml for git repo https://github.com/erlendr/rust_rt written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/erlendr/rust_rt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 069fc42a61051b43de81ed5d566f203f253100e548ded3d404789acb7ab61d46
[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" "069fc42a61051b43de81ed5d566f203f253100e548ded3d404789acb7ab61d46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "069fc42a61051b43de81ed5d566f203f253100e548ded3d404789acb7ab61d46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "069fc42a61051b43de81ed5d566f203f253100e548ded3d404789acb7ab61d46", kill_on_drop: false }`
[INFO] [stdout] 069fc42a61051b43de81ed5d566f203f253100e548ded3d404789acb7ab61d46
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 470905a240f7cc0f4b57caab3d385eb00e96054d3a887664e14a1be900781877
[INFO] running `Command { std: "docker" "start" "-a" "470905a240f7cc0f4b57caab3d385eb00e96054d3a887664e14a1be900781877", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rust_rt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "470905a240f7cc0f4b57caab3d385eb00e96054d3a887664e14a1be900781877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "470905a240f7cc0f4b57caab3d385eb00e96054d3a887664e14a1be900781877", kill_on_drop: false }`
[INFO] [stdout] 470905a240f7cc0f4b57caab3d385eb00e96054d3a887664e14a1be900781877