[INFO] cloning repository https://github.com/hnakamur/rust_option_size_experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hnakamur/rust_option_size_experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhnakamur%2Frust_option_size_experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhnakamur%2Frust_option_size_experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7ee72ffd9631b2924a0e5117669aaa0b43a797a
[INFO] checking hnakamur/rust_option_size_experiment against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhnakamur%2Frust_option_size_experiment" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hnakamur/rust_option_size_experiment on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hnakamur/rust_option_size_experiment
[INFO] finished tweaking git repo https://github.com/hnakamur/rust_option_size_experiment
[INFO] tweaked toml for git repo https://github.com/hnakamur/rust_option_size_experiment written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/hnakamur/rust_option_size_experiment already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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] 9f02ecf56fd7d18010a2c27f53dd8706b5d1dbc11645b51a06a1a5ec196b8f6b
[INFO] running `Command { std: "docker" "start" "-a" "9f02ecf56fd7d18010a2c27f53dd8706b5d1dbc11645b51a06a1a5ec196b8f6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f02ecf56fd7d18010a2c27f53dd8706b5d1dbc11645b51a06a1a5ec196b8f6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f02ecf56fd7d18010a2c27f53dd8706b5d1dbc11645b51a06a1a5ec196b8f6b", kill_on_drop: false }`
[INFO] [stdout] 9f02ecf56fd7d18010a2c27f53dd8706b5d1dbc11645b51a06a1a5ec196b8f6b
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab60e4289601d3de858410d47e6167ca5768fde04ecf4a6e3e302bfd3d33e80a
[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" "ab60e4289601d3de858410d47e6167ca5768fde04ecf4a6e3e302bfd3d33e80a", kill_on_drop: false }`
[INFO] [stderr]     Checking option_size v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "ab60e4289601d3de858410d47e6167ca5768fde04ecf4a6e3e302bfd3d33e80a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab60e4289601d3de858410d47e6167ca5768fde04ecf4a6e3e302bfd3d33e80a", kill_on_drop: false }`
[INFO] [stdout] ab60e4289601d3de858410d47e6167ca5768fde04ecf4a6e3e302bfd3d33e80a