[INFO] cloning repository https://github.com/ameernormie/rust_common_concepts
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ameernormie/rust_common_concepts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fameernormie%2Frust_common_concepts", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fameernormie%2Frust_common_concepts'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 75466685d06c0921175eb1f48fa134d765d47f5d
[INFO] checking ameernormie/rust_common_concepts against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fameernormie%2Frust_common_concepts" "/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/ameernormie/rust_common_concepts on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ameernormie/rust_common_concepts
[INFO] finished tweaking git repo https://github.com/ameernormie/rust_common_concepts
[INFO] tweaked toml for git repo https://github.com/ameernormie/rust_common_concepts written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ameernormie/rust_common_concepts already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "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] 7a9836bb1604d7f4aa064f4f13190c24e561252b3e7617a97aa76e90e827ee0a
[INFO] running `Command { std: "docker" "start" "-a" "7a9836bb1604d7f4aa064f4f13190c24e561252b3e7617a97aa76e90e827ee0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a9836bb1604d7f4aa064f4f13190c24e561252b3e7617a97aa76e90e827ee0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a9836bb1604d7f4aa064f4f13190c24e561252b3e7617a97aa76e90e827ee0a", kill_on_drop: false }`
[INFO] [stdout] 7a9836bb1604d7f4aa064f4f13190c24e561252b3e7617a97aa76e90e827ee0a
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed56af2c33980c3c129926986c53adb8b1d91ebe594029957b7f89dcbb9ff79e
[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" "ed56af2c33980c3c129926986c53adb8b1d91ebe594029957b7f89dcbb9ff79e", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_common-concepts v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "ed56af2c33980c3c129926986c53adb8b1d91ebe594029957b7f89dcbb9ff79e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed56af2c33980c3c129926986c53adb8b1d91ebe594029957b7f89dcbb9ff79e", kill_on_drop: false }`
[INFO] [stdout] ed56af2c33980c3c129926986c53adb8b1d91ebe594029957b7f89dcbb9ff79e