[INFO] cloning repository https://github.com/technosophos/rust_k8s_experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/technosophos/rust_k8s_experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftechnosophos%2Frust_k8s_experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftechnosophos%2Frust_k8s_experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49972ba7ba4d6a063a764f04bf5ad09dadf7633f
[INFO] checking technosophos/rust_k8s_experiment against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftechnosophos%2Frust_k8s_experiment" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/technosophos/rust_k8s_experiment on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/technosophos/rust_k8s_experiment
[INFO] finished tweaking git repo https://github.com/technosophos/rust_k8s_experiment
[INFO] tweaked toml for git repo https://github.com/technosophos/rust_k8s_experiment written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/technosophos/rust_k8s_experiment already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_yaml v0.7.5
[INFO] [stderr]   Downloaded yaml-rust v0.4.0
[INFO] [stderr]   Downloaded syn v0.14.2
[INFO] [stderr]   Downloaded serde v1.0.66
[INFO] [stderr]   Downloaded serde_derive v1.0.66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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] 075092a8a584e1bc2bd22743d8e8c0cace00b5c672bc114ccf635d4dfb46b3ee
[INFO] running `Command { std: "docker" "start" "-a" "075092a8a584e1bc2bd22743d8e8c0cace00b5c672bc114ccf635d4dfb46b3ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "075092a8a584e1bc2bd22743d8e8c0cace00b5c672bc114ccf635d4dfb46b3ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "075092a8a584e1bc2bd22743d8e8c0cace00b5c672bc114ccf635d4dfb46b3ee", kill_on_drop: false }`
[INFO] [stdout] 075092a8a584e1bc2bd22743d8e8c0cace00b5c672bc114ccf635d4dfb46b3ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] b593ee7e3b733584b3289f16fd689179848751b01224b3cb95659b5e411c5a37
[INFO] running `Command { std: "docker" "start" "-a" "b593ee7e3b733584b3289f16fd689179848751b01224b3cb95659b5e411c5a37", kill_on_drop: false }`
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]     Checking k8s_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.87s
[INFO] running `Command { std: "docker" "inspect" "b593ee7e3b733584b3289f16fd689179848751b01224b3cb95659b5e411c5a37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b593ee7e3b733584b3289f16fd689179848751b01224b3cb95659b5e411c5a37", kill_on_drop: false }`
[INFO] [stdout] b593ee7e3b733584b3289f16fd689179848751b01224b3cb95659b5e411c5a37