[INFO] cloning repository https://github.com/tommyrharper/function-sig-calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tommyrharper/function-sig-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftommyrharper%2Ffunction-sig-calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftommyrharper%2Ffunction-sig-calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0de8bd69a28d245bee0df3ab22539327ef0c1fc
[INFO] building tommyrharper/function-sig-calculator against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftommyrharper%2Ffunction-sig-calculator" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tommyrharper/function-sig-calculator on toolchain 8b8eff55bd72abbb57167bc42222a7f91d41cb0d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tommyrharper/function-sig-calculator
[INFO] finished tweaking git repo https://github.com/tommyrharper/function-sig-calculator
[INFO] tweaked toml for git repo https://github.com/tommyrharper/function-sig-calculator written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tommyrharper/function-sig-calculator 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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 698261a55d404c861ccf32a4304e4b2b68df7b30a9bb2af62b9faa0937a08a16
[INFO] running `Command { std: "docker" "start" "-a" "698261a55d404c861ccf32a4304e4b2b68df7b30a9bb2af62b9faa0937a08a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "698261a55d404c861ccf32a4304e4b2b68df7b30a9bb2af62b9faa0937a08a16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "698261a55d404c861ccf32a4304e4b2b68df7b30a9bb2af62b9faa0937a08a16", kill_on_drop: false }`
[INFO] [stdout] 698261a55d404c861ccf32a4304e4b2b68df7b30a9bb2af62b9faa0937a08a16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 303a2bd56bd897cea663e3088c487f13de2cf6e81d88ed7112a39d1148eb1879
[INFO] running `Command { std: "docker" "start" "-a" "303a2bd56bd897cea663e3088c487f13de2cf6e81d88ed7112a39d1148eb1879", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling keccak v0.1.4
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling function-sig-calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "303a2bd56bd897cea663e3088c487f13de2cf6e81d88ed7112a39d1148eb1879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "303a2bd56bd897cea663e3088c487f13de2cf6e81d88ed7112a39d1148eb1879", kill_on_drop: false }`
[INFO] [stdout] 303a2bd56bd897cea663e3088c487f13de2cf6e81d88ed7112a39d1148eb1879
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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" "+8b8eff55bd72abbb57167bc42222a7f91d41cb0d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ef7928ccdbc5788757765aeb86268a14ac9ef94631767d7d506134c55e83206
[INFO] running `Command { std: "docker" "start" "-a" "9ef7928ccdbc5788757765aeb86268a14ac9ef94631767d7d506134c55e83206", kill_on_drop: false }`
[INFO] [stderr]    Compiling function-sig-calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "9ef7928ccdbc5788757765aeb86268a14ac9ef94631767d7d506134c55e83206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ef7928ccdbc5788757765aeb86268a14ac9ef94631767d7d506134c55e83206", kill_on_drop: false }`
[INFO] [stdout] 9ef7928ccdbc5788757765aeb86268a14ac9ef94631767d7d506134c55e83206