[INFO] cloning repository https://github.com/sagarayi/rusty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sagarayi/rusty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagarayi%2Frusty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagarayi%2Frusty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 215b0d42ea9153a2a8119d8997fac7b23004d1a3
[INFO] checking sagarayi/rusty against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsagarayi%2Frusty" "/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/sagarayi/rusty on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sagarayi/rusty
[INFO] finished tweaking git repo https://github.com/sagarayi/rusty
[INFO] tweaked toml for git repo https://github.com/sagarayi/rusty written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/sagarayi/rusty already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8793284f5f6e48a417ef5f5f77667f589bc969588b0b570d2ca7bd69d6d8404
[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" "a8793284f5f6e48a417ef5f5f77667f589bc969588b0b570d2ca7bd69d6d8404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8793284f5f6e48a417ef5f5f77667f589bc969588b0b570d2ca7bd69d6d8404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8793284f5f6e48a417ef5f5f77667f589bc969588b0b570d2ca7bd69d6d8404", kill_on_drop: false }`
[INFO] [stdout] a8793284f5f6e48a417ef5f5f77667f589bc969588b0b570d2ca7bd69d6d8404
[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" "+90442458ac46b1d5eed752c316da25450f67285b" "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] 83d4ca3c2ac857b22d588323b5a5552606609a2e6f9864315a39c7ea76e0743a
[INFO] running `Command { std: "docker" "start" "-a" "83d4ca3c2ac857b22d588323b5a5552606609a2e6f9864315a39c7ea76e0743a", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking learn_rust v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `Command { std: "docker" "inspect" "83d4ca3c2ac857b22d588323b5a5552606609a2e6f9864315a39c7ea76e0743a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83d4ca3c2ac857b22d588323b5a5552606609a2e6f9864315a39c7ea76e0743a", kill_on_drop: false }`
[INFO] [stdout] 83d4ca3c2ac857b22d588323b5a5552606609a2e6f9864315a39c7ea76e0743a