[INFO] cloning repository https://github.com/lazertooth/rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lazertooth/rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flazertooth%2Frust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flazertooth%2Frust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a52e9dfbb04b88e65c7b6405380febc0898417d0
[INFO] checking lazertooth/rust-playground against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flazertooth%2Frust-playground" "/workspace/builds/worker-51/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-51/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lazertooth/rust-playground on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lazertooth/rust-playground
[INFO] finished tweaking git repo https://github.com/lazertooth/rust-playground
[INFO] tweaked toml for git repo https://github.com/lazertooth/rust-playground written to /workspace/builds/worker-51/source/Cargo.toml
[INFO] crate git repo https://github.com/lazertooth/rust-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0da452bc7c0b4f2bce88ccce1b190b23c426053e30d32b810bbfe1fd4739c229
[INFO] running `Command { std: "docker" "start" "-a" "0da452bc7c0b4f2bce88ccce1b190b23c426053e30d32b810bbfe1fd4739c229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0da452bc7c0b4f2bce88ccce1b190b23c426053e30d32b810bbfe1fd4739c229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0da452bc7c0b4f2bce88ccce1b190b23c426053e30d32b810bbfe1fd4739c229", kill_on_drop: false }`
[INFO] [stdout] 0da452bc7c0b4f2bce88ccce1b190b23c426053e30d32b810bbfe1fd4739c229
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-51/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a7b2b83b074e2377e13c7f2708e5a1de1c80fcd098c86d23a2b612f0efb4572
[INFO] running `Command { std: "docker" "start" "-a" "3a7b2b83b074e2377e13c7f2708e5a1de1c80fcd098c86d23a2b612f0efb4572", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rust_playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.47s
[INFO] running `Command { std: "docker" "inspect" "3a7b2b83b074e2377e13c7f2708e5a1de1c80fcd098c86d23a2b612f0efb4572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a7b2b83b074e2377e13c7f2708e5a1de1c80fcd098c86d23a2b612f0efb4572", kill_on_drop: false }`
[INFO] [stdout] 3a7b2b83b074e2377e13c7f2708e5a1de1c80fcd098c86d23a2b612f0efb4572