[INFO] updating cached repository https://github.com/rmirabelli/udallas_programming_languages_2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 904cc8d4f872b43b286ce7b50745098e487c2ba0
[INFO] checking rmirabelli/udallas_programming_languages_2020 against try#85cc1486e1f000dce4bb8e1b3cfab2b654b102a8 for pr-73323
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmirabelli%2Fudallas_programming_languages_2020" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rmirabelli/udallas_programming_languages_2020 on toolchain 85cc1486e1f000dce4bb8e1b3cfab2b654b102a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rmirabelli/udallas_programming_languages_2020
[INFO] finished tweaking git repo https://github.com/rmirabelli/udallas_programming_languages_2020
[INFO] tweaked toml for git repo https://github.com/rmirabelli/udallas_programming_languages_2020 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/rmirabelli/udallas_programming_languages_2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "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] 87efe41c7d72c9b0bbd1221162ca88a1c4f6b3c427e57760575155080e31814e
[INFO] running `Command { std: "docker" "start" "-a" "87efe41c7d72c9b0bbd1221162ca88a1c4f6b3c427e57760575155080e31814e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87efe41c7d72c9b0bbd1221162ca88a1c4f6b3c427e57760575155080e31814e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87efe41c7d72c9b0bbd1221162ca88a1c4f6b3c427e57760575155080e31814e", kill_on_drop: false }`
[INFO] [stdout] 87efe41c7d72c9b0bbd1221162ca88a1c4f6b3c427e57760575155080e31814e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+85cc1486e1f000dce4bb8e1b3cfab2b654b102a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b9a3b191b0e5bb5b2e573fdf7646b6d532da594f098eb5caa94acfbb5261588
[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" "1b9a3b191b0e5bb5b2e573fdf7646b6d532da594f098eb5caa94acfbb5261588", kill_on_drop: false }`
[INFO] [stderr]     Checking first-interp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "1b9a3b191b0e5bb5b2e573fdf7646b6d532da594f098eb5caa94acfbb5261588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b9a3b191b0e5bb5b2e573fdf7646b6d532da594f098eb5caa94acfbb5261588", kill_on_drop: false }`
[INFO] [stdout] 1b9a3b191b0e5bb5b2e573fdf7646b6d532da594f098eb5caa94acfbb5261588