[INFO] cloning repository https://github.com/david47k/tree_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/david47k/tree_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid47k%2Ftree_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid47k%2Ftree_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be70a311ed8438a0400a6b4e23e8639720163ebc
[INFO] checking david47k/tree_example against master#8cfaf70c320297dd1831a12351fcfeab7a231328 for pr-115538
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid47k%2Ftree_example" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/david47k/tree_example on toolchain 8cfaf70c320297dd1831a12351fcfeab7a231328
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8cfaf70c320297dd1831a12351fcfeab7a231328" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/david47k/tree_example
[INFO] finished tweaking git repo https://github.com/david47k/tree_example
[INFO] tweaked toml for git repo https://github.com/david47k/tree_example written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/david47k/tree_example 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" "+8cfaf70c320297dd1831a12351fcfeab7a231328" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:8d77639b970c52ec67607038b3ec48894629de24504b62a68269497566821cc0" "/opt/rustwide/cargo-home/bin/cargo" "+8cfaf70c320297dd1831a12351fcfeab7a231328" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40ca5bffdeb570b748e30c487ebbe58607b16e49d796d715eddf9f9802d19738
[INFO] running `Command { std: "docker" "start" "-a" "40ca5bffdeb570b748e30c487ebbe58607b16e49d796d715eddf9f9802d19738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40ca5bffdeb570b748e30c487ebbe58607b16e49d796d715eddf9f9802d19738", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40ca5bffdeb570b748e30c487ebbe58607b16e49d796d715eddf9f9802d19738", kill_on_drop: false }`
[INFO] [stdout] 40ca5bffdeb570b748e30c487ebbe58607b16e49d796d715eddf9f9802d19738
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:8d77639b970c52ec67607038b3ec48894629de24504b62a68269497566821cc0" "/opt/rustwide/cargo-home/bin/cargo" "+8cfaf70c320297dd1831a12351fcfeab7a231328" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0d3f1fbe86c155eb31bcd5c82e7f19412ee26761eb57410cd993133e630d61a
[INFO] running `Command { std: "docker" "start" "-a" "d0d3f1fbe86c155eb31bcd5c82e7f19412ee26761eb57410cd993133e630d61a", kill_on_drop: false }`
[INFO] [stderr]     Checking tree_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "d0d3f1fbe86c155eb31bcd5c82e7f19412ee26761eb57410cd993133e630d61a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0d3f1fbe86c155eb31bcd5c82e7f19412ee26761eb57410cd993133e630d61a", kill_on_drop: false }`
[INFO] [stdout] d0d3f1fbe86c155eb31bcd5c82e7f19412ee26761eb57410cd993133e630d61a