[INFO] cloning repository https://github.com/mfdorst/combinatorics_birthdays
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mfdorst/combinatorics_birthdays" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfdorst%2Fcombinatorics_birthdays", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfdorst%2Fcombinatorics_birthdays'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58a8bdcfd4e319cf13583ce7600c82d5b41a8742
[INFO] checking mfdorst/combinatorics_birthdays against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfdorst%2Fcombinatorics_birthdays" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mfdorst/combinatorics_birthdays on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mfdorst/combinatorics_birthdays
[INFO] finished tweaking git repo https://github.com/mfdorst/combinatorics_birthdays
[INFO] tweaked toml for git repo https://github.com/mfdorst/combinatorics_birthdays written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mfdorst/combinatorics_birthdays already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89c3fc2c1bc96c77790cac258cceed880357b04c156ab89ac8ae4e7218b374bd
[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" "89c3fc2c1bc96c77790cac258cceed880357b04c156ab89ac8ae4e7218b374bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89c3fc2c1bc96c77790cac258cceed880357b04c156ab89ac8ae4e7218b374bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89c3fc2c1bc96c77790cac258cceed880357b04c156ab89ac8ae4e7218b374bd", kill_on_drop: false }`
[INFO] [stdout] 89c3fc2c1bc96c77790cac258cceed880357b04c156ab89ac8ae4e7218b374bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9fbb013110ea5e48f0fc3a5c9763435994f4f6d72bf7496a97aa5e501f588a6
[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" "c9fbb013110ea5e48f0fc3a5c9763435994f4f6d72bf7496a97aa5e501f588a6", kill_on_drop: false }`
[INFO] [stderr]     Checking overlapping_birthdays v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "c9fbb013110ea5e48f0fc3a5c9763435994f4f6d72bf7496a97aa5e501f588a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9fbb013110ea5e48f0fc3a5c9763435994f4f6d72bf7496a97aa5e501f588a6", kill_on_drop: false }`
[INFO] [stdout] c9fbb013110ea5e48f0fc3a5c9763435994f4f6d72bf7496a97aa5e501f588a6