[INFO] cloning repository https://github.com/rutaihwa/05_future_uses_examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rutaihwa/05_future_uses_examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frutaihwa%2F05_future_uses_examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frutaihwa%2F05_future_uses_examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7528afd9a334e2d6f2df0522790a05f66fea3a3
[INFO] checking rutaihwa/05_future_uses_examples against try#a3dffdb3a32d0dedc198f9de7d43173f3eb6727b for pr-136303
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frutaihwa%2F05_future_uses_examples" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rutaihwa/05_future_uses_examples on toolchain a3dffdb3a32d0dedc198f9de7d43173f3eb6727b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rutaihwa/05_future_uses_examples
[INFO] finished tweaking git repo https://github.com/rutaihwa/05_future_uses_examples
[INFO] tweaked toml for git repo https://github.com/rutaihwa/05_future_uses_examples written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rutaihwa/05_future_uses_examples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e48cc09ca39b496656067bc6bea83c2d923a038ec480a5da207983f332bf761e
[INFO] running `Command { std: "docker" "start" "-a" "e48cc09ca39b496656067bc6bea83c2d923a038ec480a5da207983f332bf761e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e48cc09ca39b496656067bc6bea83c2d923a038ec480a5da207983f332bf761e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e48cc09ca39b496656067bc6bea83c2d923a038ec480a5da207983f332bf761e", kill_on_drop: false }`
[INFO] [stdout] e48cc09ca39b496656067bc6bea83c2d923a038ec480a5da207983f332bf761e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a3dffdb3a32d0dedc198f9de7d43173f3eb6727b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76f4c96b864ef9ca5e59e21dcb6e41524560bcac1b04baa3de288f5efd0651de
[INFO] running `Command { std: "docker" "start" "-a" "76f4c96b864ef9ca5e59e21dcb6e41524560bcac1b04baa3de288f5efd0651de", kill_on_drop: false }`
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[INFO] [stderr]     Checking rustc-demangle v0.1.16
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[INFO] running `Command { std: "docker" "inspect" "76f4c96b864ef9ca5e59e21dcb6e41524560bcac1b04baa3de288f5efd0651de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76f4c96b864ef9ca5e59e21dcb6e41524560bcac1b04baa3de288f5efd0651de", kill_on_drop: false }`
[INFO] [stdout] 76f4c96b864ef9ca5e59e21dcb6e41524560bcac1b04baa3de288f5efd0651de