[INFO] cloning repository https://github.com/basslove/rust_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/basslove/rust_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbasslove%2Frust_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbasslove%2Frust_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7b71829160cc8d0b0c3ac13a8da2bf1cbf00d97
[INFO] checking basslove/rust_practice against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbasslove%2Frust_practice" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/basslove/rust_practice on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/basslove/rust_practice
[INFO] finished tweaking git repo https://github.com/basslove/rust_practice
[INFO] tweaked toml for git repo https://github.com/basslove/rust_practice written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/basslove/rust_practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56bdc8eb814b76e96a5b4004367373c70b9e119b8a8c0c9586caac3ab821f2cd
[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" "56bdc8eb814b76e96a5b4004367373c70b9e119b8a8c0c9586caac3ab821f2cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56bdc8eb814b76e96a5b4004367373c70b9e119b8a8c0c9586caac3ab821f2cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56bdc8eb814b76e96a5b4004367373c70b9e119b8a8c0c9586caac3ab821f2cd", kill_on_drop: false }`
[INFO] [stdout] 56bdc8eb814b76e96a5b4004367373c70b9e119b8a8c0c9586caac3ab821f2cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4438ae31ad8e1cc99c7c9fb2e5ffc836d2cc4842bbd28c5f1a40f6f88a9abd1f
[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" "4438ae31ad8e1cc99c7c9fb2e5ffc836d2cc4842bbd28c5f1a40f6f88a9abd1f", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_sample v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "4438ae31ad8e1cc99c7c9fb2e5ffc836d2cc4842bbd28c5f1a40f6f88a9abd1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4438ae31ad8e1cc99c7c9fb2e5ffc836d2cc4842bbd28c5f1a40f6f88a9abd1f", kill_on_drop: false }`
[INFO] [stdout] 4438ae31ad8e1cc99c7c9fb2e5ffc836d2cc4842bbd28c5f1a40f6f88a9abd1f