[INFO] fetching crate rbw 1.13.2...
[INFO] building rbw-1.13.2 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] extracting crate rbw 1.13.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate rbw 1.13.2 on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rbw 1.13.2
[INFO] finished tweaking crates.io crate rbw 1.13.2
[INFO] tweaked toml for crates.io crate rbw 1.13.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate rbw 1.13.2 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded totp-lite v2.0.1
[INFO] [stderr]   Downloaded directories v5.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 712210b2f9615b6a55a43482e7d3c8e7b5c299943532d99b3a2bf202e18d21ea
[INFO] running `Command { std: "docker" "start" "-a" "712210b2f9615b6a55a43482e7d3c8e7b5c299943532d99b3a2bf202e18d21ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "712210b2f9615b6a55a43482e7d3c8e7b5c299943532d99b3a2bf202e18d21ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "712210b2f9615b6a55a43482e7d3c8e7b5c299943532d99b3a2bf202e18d21ea", kill_on_drop: false }`
[INFO] [stdout] 712210b2f9615b6a55a43482e7d3c8e7b5c299943532d99b3a2bf202e18d21ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 337d0212aaabe8f97d234313e196993081bc387128feb22cbac9c0c5dcdeb72d
[INFO] running `Command { std: "docker" "start" "-a" "337d0212aaabe8f97d234313e196993081bc387128feb22cbac9c0c5dcdeb72d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
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[INFO] [stderr]    Compiling tokio-tungstenite v0.24.0
[INFO] [stderr]    Compiling rbw v1.13.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `Command { std: "docker" "inspect" "337d0212aaabe8f97d234313e196993081bc387128feb22cbac9c0c5dcdeb72d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "337d0212aaabe8f97d234313e196993081bc387128feb22cbac9c0c5dcdeb72d", kill_on_drop: false }`
[INFO] [stdout] 337d0212aaabe8f97d234313e196993081bc387128feb22cbac9c0c5dcdeb72d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 962c5868f4516ba3a1f8a17b5a1a3dc387a08a958da0db2e87f7f7cfdd301840
[INFO] running `Command { std: "docker" "start" "-a" "962c5868f4516ba3a1f8a17b5a1a3dc387a08a958da0db2e87f7f7cfdd301840", kill_on_drop: false }`
[INFO] [stderr]    Compiling rbw v1.13.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.62s
[INFO] running `Command { std: "docker" "inspect" "962c5868f4516ba3a1f8a17b5a1a3dc387a08a958da0db2e87f7f7cfdd301840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "962c5868f4516ba3a1f8a17b5a1a3dc387a08a958da0db2e87f7f7cfdd301840", kill_on_drop: false }`
[INFO] [stdout] 962c5868f4516ba3a1f8a17b5a1a3dc387a08a958da0db2e87f7f7cfdd301840