[INFO] cloning repository https://github.com/skade/mailbox-konstanz
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skade/mailbox-konstanz" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskade%2Fmailbox-konstanz", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskade%2Fmailbox-konstanz'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64541b0b572eb5d7bc47ee3cd9340d7fca74fd01
[INFO] checking skade/mailbox-konstanz against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskade%2Fmailbox-konstanz" "/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/skade/mailbox-konstanz on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/skade/mailbox-konstanz
[INFO] finished tweaking git repo https://github.com/skade/mailbox-konstanz
[INFO] tweaked toml for git repo https://github.com/skade/mailbox-konstanz written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/skade/mailbox-konstanz already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e95448a895e5c46a912ba19d02702a44d84163bd06fa9558f54baaf0ba91aca
[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" "6e95448a895e5c46a912ba19d02702a44d84163bd06fa9558f54baaf0ba91aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e95448a895e5c46a912ba19d02702a44d84163bd06fa9558f54baaf0ba91aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e95448a895e5c46a912ba19d02702a44d84163bd06fa9558f54baaf0ba91aca", kill_on_drop: false }`
[INFO] [stdout] 6e95448a895e5c46a912ba19d02702a44d84163bd06fa9558f54baaf0ba91aca
[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" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2169a8d9776f91b42ba565f43bad02b868e01613888bba4c8d8b85fbfe7b345
[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" "f2169a8d9776f91b42ba565f43bad02b868e01613888bba4c8d8b85fbfe7b345", kill_on_drop: false }`
[INFO] [stderr]     Checking mailbox v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "f2169a8d9776f91b42ba565f43bad02b868e01613888bba4c8d8b85fbfe7b345", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2169a8d9776f91b42ba565f43bad02b868e01613888bba4c8d8b85fbfe7b345", kill_on_drop: false }`
[INFO] [stdout] f2169a8d9776f91b42ba565f43bad02b868e01613888bba4c8d8b85fbfe7b345