[INFO] fetching crate mode 0.4.0... [INFO] checking mode-0.4.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846 [INFO] extracting crate mode 0.4.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate mode 0.4.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate mode 0.4.0 [INFO] finished tweaking crates.io crate mode 0.4.0 [INFO] tweaked toml for crates.io crate mode 0.4.0 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate crates.io crate mode 0.4.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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-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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d2138599c50089f4a5cb0cdbd007a95da36d4e881128ee3f1979595de587d0cd [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" "d2138599c50089f4a5cb0cdbd007a95da36d4e881128ee3f1979595de587d0cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d2138599c50089f4a5cb0cdbd007a95da36d4e881128ee3f1979595de587d0cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2138599c50089f4a5cb0cdbd007a95da36d4e881128ee3f1979595de587d0cd", kill_on_drop: false }` [INFO] [stdout] d2138599c50089f4a5cb0cdbd007a95da36d4e881128ee3f1979595de587d0cd [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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d30fd89d72649b53c5520d6cb524f3f597838faf140c93f1be1a3d7555fe29a8 [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" "d30fd89d72649b53c5520d6cb524f3f597838faf140c93f1be1a3d7555fe29a8", kill_on_drop: false }` [INFO] [stderr] Checking mode v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "d30fd89d72649b53c5520d6cb524f3f597838faf140c93f1be1a3d7555fe29a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d30fd89d72649b53c5520d6cb524f3f597838faf140c93f1be1a3d7555fe29a8", kill_on_drop: false }` [INFO] [stdout] d30fd89d72649b53c5520d6cb524f3f597838faf140c93f1be1a3d7555fe29a8