[INFO] cloning repository https://github.com/RuleBrittonica/rust-lsp-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RuleBrittonica/rust-lsp-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRuleBrittonica%2Frust-lsp-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRuleBrittonica%2Frust-lsp-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5eace4845989d9f25dc879441cc2b6ce3f2c3804
[INFO] building RuleBrittonica/rust-lsp-test against try#8b8eff55bd72abbb57167bc42222a7f91d41cb0d for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRuleBrittonica%2Frust-lsp-test" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/RuleBrittonica/rust-lsp-test 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/RuleBrittonica/rust-lsp-test
[INFO] finished tweaking git repo https://github.com/RuleBrittonica/rust-lsp-test
[INFO] tweaked toml for git repo https://github.com/RuleBrittonica/rust-lsp-test written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/RuleBrittonica/rust-lsp-test 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 25caa23eb20b3574146e51a4f6d8b09945dc60531d809885762b88d058e7cb31
[INFO] running `Command { std: "docker" "start" "-a" "25caa23eb20b3574146e51a4f6d8b09945dc60531d809885762b88d058e7cb31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25caa23eb20b3574146e51a4f6d8b09945dc60531d809885762b88d058e7cb31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25caa23eb20b3574146e51a4f6d8b09945dc60531d809885762b88d058e7cb31", kill_on_drop: false }`
[INFO] [stdout] 25caa23eb20b3574146e51a4f6d8b09945dc60531d809885762b88d058e7cb31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8ac8e2f8a08c62b3330673232bf2a65e436930df580478b0c6cc5dcca218e632
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[INFO] [stderr]    Compiling rust-lsp-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Write` and `self`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     self,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     Write
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ReqQueue`
[INFO] [stdout]   --> src/main.rs:26:40
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Connection, ExtractError, Message, ReqQueue, Request, RequestId, Response
[INFO] [stdout]    |                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 34s
[INFO] running `Command { std: "docker" "inspect" "8ac8e2f8a08c62b3330673232bf2a65e436930df580478b0c6cc5dcca218e632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ac8e2f8a08c62b3330673232bf2a65e436930df580478b0c6cc5dcca218e632", kill_on_drop: false }`
[INFO] [stdout] 8ac8e2f8a08c62b3330673232bf2a65e436930df580478b0c6cc5dcca218e632
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4c50ad7bcaecb2b770a1259742a8f2f62b29414190c16d99dcc6d943e56354ad
[INFO] running `Command { std: "docker" "start" "-a" "4c50ad7bcaecb2b770a1259742a8f2f62b29414190c16d99dcc6d943e56354ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-lsp-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Write` and `self`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     self,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 9 |     Write
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ReqQueue`
[INFO] [stdout]   --> src/main.rs:26:40
[INFO] [stdout]    |
[INFO] [stdout] 26 |     Connection, ExtractError, Message, ReqQueue, Request, RequestId, Response
[INFO] [stdout]    |                                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.20s
[INFO] running `Command { std: "docker" "inspect" "4c50ad7bcaecb2b770a1259742a8f2f62b29414190c16d99dcc6d943e56354ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c50ad7bcaecb2b770a1259742a8f2f62b29414190c16d99dcc6d943e56354ad", kill_on_drop: false }`
[INFO] [stdout] 4c50ad7bcaecb2b770a1259742a8f2f62b29414190c16d99dcc6d943e56354ad