[INFO] cloning repository https://github.com/retpolanne/rafting-trip
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/retpolanne/rafting-trip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fretpolanne%2Frafting-trip", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fretpolanne%2Frafting-trip'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f60f82cab1dc7c30bec29f5a48816d0f09d34c58
[INFO] building retpolanne/rafting-trip against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fretpolanne%2Frafting-trip" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/retpolanne/rafting-trip 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] removed /workspace/builds/worker-1-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/retpolanne/rafting-trip
[INFO] finished tweaking git repo https://github.com/retpolanne/rafting-trip
[INFO] tweaked toml for git repo https://github.com/retpolanne/rafting-trip written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/retpolanne/rafting-trip 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 04d9a835ca3add717196574d6abf1ef7f71925e6aacac07d053faebfacd0406c
[INFO] running `Command { std: "docker" "start" "-a" "04d9a835ca3add717196574d6abf1ef7f71925e6aacac07d053faebfacd0406c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04d9a835ca3add717196574d6abf1ef7f71925e6aacac07d053faebfacd0406c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04d9a835ca3add717196574d6abf1ef7f71925e6aacac07d053faebfacd0406c", kill_on_drop: false }`
[INFO] [stdout] 04d9a835ca3add717196574d6abf1ef7f71925e6aacac07d053faebfacd0406c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 986175d71f034b1e2c64f07b75541b20a84593ffc75ed3ddfc3eff4d4e0c2ef4
[INFO] running `Command { std: "docker" "start" "-a" "986175d71f034b1e2c64f07b75541b20a84593ffc75ed3ddfc3eff4d4e0c2ef4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rafting-trip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/rpc.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |             let stream = stream.unwrap();
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "986175d71f034b1e2c64f07b75541b20a84593ffc75ed3ddfc3eff4d4e0c2ef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "986175d71f034b1e2c64f07b75541b20a84593ffc75ed3ddfc3eff4d4e0c2ef4", kill_on_drop: false }`
[INFO] [stdout] 986175d71f034b1e2c64f07b75541b20a84593ffc75ed3ddfc3eff4d4e0c2ef4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] bd10832b071e8a66a8f3c757e334d7d87bca65b90a3f79c19cc7a8fb9b29db6e
[INFO] running `Command { std: "docker" "start" "-a" "bd10832b071e8a66a8f3c757e334d7d87bca65b90a3f79c19cc7a8fb9b29db6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rafting-trip v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `stream`
[INFO] [stdout]   --> src/rpc.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |             let stream = stream.unwrap();
[INFO] [stdout]    |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "bd10832b071e8a66a8f3c757e334d7d87bca65b90a3f79c19cc7a8fb9b29db6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd10832b071e8a66a8f3c757e334d7d87bca65b90a3f79c19cc7a8fb9b29db6e", kill_on_drop: false }`
[INFO] [stdout] bd10832b071e8a66a8f3c757e334d7d87bca65b90a3f79c19cc7a8fb9b29db6e