[INFO] fetching crate vicuna-compiler 0.1.1...
[INFO] checking vicuna-compiler-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate vicuna-compiler 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate vicuna-compiler 0.1.1 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 crates.io crate vicuna-compiler 0.1.1
[INFO] finished tweaking crates.io crate vicuna-compiler 0.1.1
[INFO] tweaked toml for crates.io crate vicuna-compiler 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 68 packages
[INFO] [stderr]       Adding encode_unicode v0.3.6 (latest: v1.0.0)
[INFO] [stderr]       Adding miette v5.10.0 (latest: v7.2.0)
[INFO] [stderr]       Adding miette-derive v5.10.0 (latest: v7.2.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding owo-colors v3.5.0 (latest: v4.0.0)
[INFO] [stderr]       Adding supports-color v2.1.0 (latest: v3.0.0)
[INFO] [stderr]       Adding supports-hyperlinks v2.1.0 (latest: v3.0.0)
[INFO] [stderr]       Adding supports-unicode v2.1.0 (latest: v3.0.0)
[INFO] [stderr]       Adding terminal_size v0.1.17 (latest: v0.3.0)
[INFO] [stderr]       Adding textwrap v0.15.2 (latest: v0.16.1)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded build-target v0.4.0
[INFO] [stderr]   Downloaded chumsky v0.9.3
[INFO] [stderr]   Downloaded id-arena v2.2.1
[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] ad9336c876ba31e94cd72ab620139c5dd22623ce67196c1016f355ebf3841de7
[INFO] running `Command { std: "docker" "start" "-a" "ad9336c876ba31e94cd72ab620139c5dd22623ce67196c1016f355ebf3841de7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad9336c876ba31e94cd72ab620139c5dd22623ce67196c1016f355ebf3841de7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad9336c876ba31e94cd72ab620139c5dd22623ce67196c1016f355ebf3841de7", kill_on_drop: false }`
[INFO] [stdout] ad9336c876ba31e94cd72ab620139c5dd22623ce67196c1016f355ebf3841de7
[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] c9743f4f9572c1ffaf9d872ad5f054c26134ded5bb218653fba46ddc2c01ce8d
[INFO] running `Command { std: "docker" "start" "-a" "c9743f4f9572c1ffaf9d872ad5f054c26134ded5bb218653fba46ddc2c01ce8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking is_ci v1.2.0
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]     Checking smawk v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking supports-unicode v2.1.0
[INFO] [stderr]     Checking supports-hyperlinks v2.1.0
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking similar v2.5.0
[INFO] [stderr]    Compiling miette-derive v5.10.0
[INFO] [stderr]     Checking supports-color v2.1.0
[INFO] [stderr]     Checking textwrap v0.15.2
[INFO] [stderr]     Checking backtrace-ext v0.2.1
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking chumsky v0.9.3
[INFO] [stderr]     Checking miette v5.10.0
[INFO] [stderr]     Checking insta v1.38.0
[INFO] [stderr]     Checking vicuna-compiler v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.87s
[INFO] running `Command { std: "docker" "inspect" "c9743f4f9572c1ffaf9d872ad5f054c26134ded5bb218653fba46ddc2c01ce8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9743f4f9572c1ffaf9d872ad5f054c26134ded5bb218653fba46ddc2c01ce8d", kill_on_drop: false }`
[INFO] [stdout] c9743f4f9572c1ffaf9d872ad5f054c26134ded5bb218653fba46ddc2c01ce8d