[INFO] cloning repository https://github.com/light4/d
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/light4/d" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flight4%2Fd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flight4%2Fd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1534db7731324fc8687f7dff08af5e8aec4ddcf1
[INFO] checking light4/d against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flight4%2Fd" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/light4/d 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/light4/d
[INFO] finished tweaking git repo https://github.com/light4/d
[INFO] tweaked toml for git repo https://github.com/light4/d written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/light4/d 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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4c317ebd2f23eb7650508c1e654d935232b50442cf305d4fb89a9f182371738d
[INFO] running `Command { std: "docker" "start" "-a" "4c317ebd2f23eb7650508c1e654d935232b50442cf305d4fb89a9f182371738d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c317ebd2f23eb7650508c1e654d935232b50442cf305d4fb89a9f182371738d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c317ebd2f23eb7650508c1e654d935232b50442cf305d4fb89a9f182371738d", kill_on_drop: false }`
[INFO] [stdout] 4c317ebd2f23eb7650508c1e654d935232b50442cf305d4fb89a9f182371738d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] 2b97fe1ac632fd54e8b682afd12b34e37fe47bc5ac1a3f0d77bfa830a499987f
[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" "2b97fe1ac632fd54e8b682afd12b34e37fe47bc5ac1a3f0d77bfa830a499987f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]     Checking pin-project-lite v0.1.8
[INFO] [stderr]     Checking fastrand v1.3.5
[INFO] [stderr]    Compiling curl v0.4.33
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]    Compiling curl-sys v0.4.36+curl-7.71.1
[INFO] [stderr]     Checking tracing-core v0.1.16
[INFO] [stderr]     Checking async-channel v1.4.2
[INFO] [stderr]     Checking nb-connect v1.0.0
[INFO] [stderr]     Checking polling v1.1.0
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking directories v3.0.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking chrono v0.4.18
[INFO] [stderr]     Checking futures-lite v1.8.0
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking tracing-subscriber v0.2.12
[INFO] [stderr]     Checking async-io v1.1.3
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking blocking v1.0.0
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking async-global-executor v1.2.1
[INFO] [stderr]     Checking async-process v1.0.0
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tracing-appender v0.1.1
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling isahc v0.7.6
[INFO] [stderr]     Checking async-std v1.6.4
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking surf v1.0.3
[INFO] [stderr]     Checking d v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.44s
[INFO] running `Command { std: "docker" "inspect" "2b97fe1ac632fd54e8b682afd12b34e37fe47bc5ac1a3f0d77bfa830a499987f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b97fe1ac632fd54e8b682afd12b34e37fe47bc5ac1a3f0d77bfa830a499987f", kill_on_drop: false }`
[INFO] [stdout] 2b97fe1ac632fd54e8b682afd12b34e37fe47bc5ac1a3f0d77bfa830a499987f