[INFO] cloning repository https://github.com/lfordyce/rusty_linked_list
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lfordyce/rusty_linked_list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfordyce%2Frusty_linked_list", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfordyce%2Frusty_linked_list'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29339dc9d22f920078d2e80787ad894a26dc127d
[INFO] checking lfordyce/rusty_linked_list against try#075992eda207e1647b699c8c8ada67b32ce7b115 for pr-77271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flfordyce%2Frusty_linked_list" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lfordyce/rusty_linked_list on toolchain 075992eda207e1647b699c8c8ada67b32ce7b115
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lfordyce/rusty_linked_list
[INFO] finished tweaking git repo https://github.com/lfordyce/rusty_linked_list
[INFO] tweaked toml for git repo https://github.com/lfordyce/rusty_linked_list written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/lfordyce/rusty_linked_list already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c11a98c5d556e0b2d0595004a69561fc631ffdd8af575b9bde88b045551eda5
[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" "3c11a98c5d556e0b2d0595004a69561fc631ffdd8af575b9bde88b045551eda5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c11a98c5d556e0b2d0595004a69561fc631ffdd8af575b9bde88b045551eda5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c11a98c5d556e0b2d0595004a69561fc631ffdd8af575b9bde88b045551eda5", kill_on_drop: false }`
[INFO] [stdout] 3c11a98c5d556e0b2d0595004a69561fc631ffdd8af575b9bde88b045551eda5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9d0c3bac28a69b2ba30e2f3fb0de9c1e9d444af76dca9d7b882d5751dec0214
[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" "b9d0c3bac28a69b2ba30e2f3fb0de9c1e9d444af76dca9d7b882d5751dec0214", kill_on_drop: false }`
[INFO] [stderr]     Checking linked_list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "b9d0c3bac28a69b2ba30e2f3fb0de9c1e9d444af76dca9d7b882d5751dec0214", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9d0c3bac28a69b2ba30e2f3fb0de9c1e9d444af76dca9d7b882d5751dec0214", kill_on_drop: false }`
[INFO] [stdout] b9d0c3bac28a69b2ba30e2f3fb0de9c1e9d444af76dca9d7b882d5751dec0214