[INFO] cloning repository https://github.com/N8BWert/tiny-cup-field
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/N8BWert/tiny-cup-field" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FN8BWert%2Ftiny-cup-field", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FN8BWert%2Ftiny-cup-field'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d87e71d9de0beaf0f5dd314fc34dc8482854dcf8
[INFO] checking N8BWert/tiny-cup-field against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FN8BWert%2Ftiny-cup-field" "/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/N8BWert/tiny-cup-field on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/N8BWert/tiny-cup-field
[INFO] finished tweaking git repo https://github.com/N8BWert/tiny-cup-field
[INFO] tweaked toml for git repo https://github.com/N8BWert/tiny-cup-field written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/N8BWert/tiny-cup-field 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ncomm v0.1.2
[INFO] [stderr]   Downloaded tiny-cup-ref v0.1.0
[INFO] [stderr]   Downloaded libc v0.2.145
[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_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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91090b807c5523eb3f8aa74a2340d41877b5682f18e8c654d66c87342df00357
[INFO] running `Command { std: "docker" "start" "-a" "91090b807c5523eb3f8aa74a2340d41877b5682f18e8c654d66c87342df00357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91090b807c5523eb3f8aa74a2340d41877b5682f18e8c654d66c87342df00357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91090b807c5523eb3f8aa74a2340d41877b5682f18e8c654d66c87342df00357", kill_on_drop: false }`
[INFO] [stdout] 91090b807c5523eb3f8aa74a2340d41877b5682f18e8c654d66c87342df00357
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e445d6f72e5ec87bb1e887f5b16a50780d9bdc7c4c7b925f5e6daf8173bf8fa9
[INFO] running `Command { std: "docker" "start" "-a" "e445d6f72e5ec87bb1e887f5b16a50780d9bdc7c4c7b925f5e6daf8173bf8fa9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.145
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking ctrlc v3.4.0
[INFO] [stderr]     Checking ncomm v0.1.2
[INFO] [stderr]     Checking tiny-cup-ref v0.1.0
[INFO] [stderr]     Checking tiny-cup-field v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.31s
[INFO] running `Command { std: "docker" "inspect" "e445d6f72e5ec87bb1e887f5b16a50780d9bdc7c4c7b925f5e6daf8173bf8fa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e445d6f72e5ec87bb1e887f5b16a50780d9bdc7c4c7b925f5e6daf8173bf8fa9", kill_on_drop: false }`
[INFO] [stdout] e445d6f72e5ec87bb1e887f5b16a50780d9bdc7c4c7b925f5e6daf8173bf8fa9
[INFO] checking N8BWert/tiny-cup-field against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FN8BWert%2Ftiny-cup-field" "/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/N8BWert/tiny-cup-field on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/N8BWert/tiny-cup-field
[INFO] finished tweaking git repo https://github.com/N8BWert/tiny-cup-field
[INFO] tweaked toml for git repo https://github.com/N8BWert/tiny-cup-field written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/N8BWert/tiny-cup-field 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7321bf640271721e2b65bc3322f87a44c101d48d91c846126962fca81a6668fe
[INFO] running `Command { std: "docker" "start" "-a" "7321bf640271721e2b65bc3322f87a44c101d48d91c846126962fca81a6668fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7321bf640271721e2b65bc3322f87a44c101d48d91c846126962fca81a6668fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7321bf640271721e2b65bc3322f87a44c101d48d91c846126962fca81a6668fe", kill_on_drop: false }`
[INFO] [stdout] 7321bf640271721e2b65bc3322f87a44c101d48d91c846126962fca81a6668fe
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79fc71baffa3eaecd5a9252087a7ed7701864794078251858c09f5b31de1e7ab
[INFO] running `Command { std: "docker" "start" "-a" "79fc71baffa3eaecd5a9252087a7ed7701864794078251858c09f5b31de1e7ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.145
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking ctrlc v3.4.0
[INFO] [stderr]     Checking ncomm v0.1.2
[INFO] [stderr]     Checking tiny-cup-ref v0.1.0
[INFO] [stderr]     Checking tiny-cup-field v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.76s
[INFO] running `Command { std: "docker" "inspect" "79fc71baffa3eaecd5a9252087a7ed7701864794078251858c09f5b31de1e7ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79fc71baffa3eaecd5a9252087a7ed7701864794078251858c09f5b31de1e7ab", kill_on_drop: false }`
[INFO] [stdout] 79fc71baffa3eaecd5a9252087a7ed7701864794078251858c09f5b31de1e7ab