[INFO] fetching crate terrain 999999999.999999999.999999999...
[INFO] checking terrain-999999999.999999999.999999999 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate terrain 999999999.999999999.999999999 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate terrain 999999999.999999999.999999999 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate terrain 999999999.999999999.999999999
[INFO] finished tweaking crates.io crate terrain 999999999.999999999.999999999
[INFO] tweaked toml for crates.io crate terrain 999999999.999999999.999999999 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate terrain 999999999.999999999.999999999 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63e13722b8ebaa5a5d46201d65bb345ad9d98898c83b6934af320b2d6a2c4ad2
[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" "63e13722b8ebaa5a5d46201d65bb345ad9d98898c83b6934af320b2d6a2c4ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63e13722b8ebaa5a5d46201d65bb345ad9d98898c83b6934af320b2d6a2c4ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63e13722b8ebaa5a5d46201d65bb345ad9d98898c83b6934af320b2d6a2c4ad2", kill_on_drop: false }`
[INFO] [stdout] 63e13722b8ebaa5a5d46201d65bb345ad9d98898c83b6934af320b2d6a2c4ad2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86bba156cb12c321d8115ce524780e1c596bc508e1bc9bdef645888a303b0bb8
[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" "86bba156cb12c321d8115ce524780e1c596bc508e1bc9bdef645888a303b0bb8", kill_on_drop: false }`
[INFO] [stderr]     Checking terrain v999999999.999999999.999999999 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "86bba156cb12c321d8115ce524780e1c596bc508e1bc9bdef645888a303b0bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86bba156cb12c321d8115ce524780e1c596bc508e1bc9bdef645888a303b0bb8", kill_on_drop: false }`
[INFO] [stdout] 86bba156cb12c321d8115ce524780e1c596bc508e1bc9bdef645888a303b0bb8