[INFO] cloning repository https://github.com/ngtr6788/ctk
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[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngtr6788%2Fctk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1fe81ddab7e6ebf08d28c0b5419196dbf8f8c9aa
[INFO] building ngtr6788/ctk against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fngtr6788%2Fctk" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ngtr6788/ctk 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 git repo https://github.com/ngtr6788/ctk
[INFO] finished tweaking git repo https://github.com/ngtr6788/ctk
[INFO] tweaked toml for git repo https://github.com/ngtr6788/ctk written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ngtr6788/ctk 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 }`
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[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> build.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 |   generate_to(Bash, &mut cold_turkey, "ctk", outdir); 
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 8 |   let _ = generate_to(Bash, &mut cold_turkey, "ctk", outdir); 
[INFO] [stdout]   |   +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "4843fdfcdfcfdadc7c0d84e16f257890170a55aa6c30683c800471d087f5d007", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4843fdfcdfcfdadc7c0d84e16f257890170a55aa6c30683c800471d087f5d007", kill_on_drop: false }`
[INFO] [stdout] 4843fdfcdfcfdadc7c0d84e16f257890170a55aa6c30683c800471d087f5d007
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 60c8b92ade580209e402ba7d45be7f52d3c5e6a45076d5c9d988fbc05b7c92a4
[INFO] running `Command { std: "docker" "start" "-a" "60c8b92ade580209e402ba7d45be7f52d3c5e6a45076d5c9d988fbc05b7c92a4", kill_on_drop: false }`
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> build.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 |   generate_to(Bash, &mut cold_turkey, "ctk", outdir); 
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]   |
[INFO] [stdout] 8 |   let _ = generate_to(Bash, &mut cold_turkey, "ctk", outdir); 
[INFO] [stdout]   |   +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ctk v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "60c8b92ade580209e402ba7d45be7f52d3c5e6a45076d5c9d988fbc05b7c92a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60c8b92ade580209e402ba7d45be7f52d3c5e6a45076d5c9d988fbc05b7c92a4", kill_on_drop: false }`
[INFO] [stdout] 60c8b92ade580209e402ba7d45be7f52d3c5e6a45076d5c9d988fbc05b7c92a4