[INFO] fetching crate malachi 0.9.1...
[INFO] checking malachi-0.9.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate malachi 0.9.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate malachi 0.9.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate malachi 0.9.1
[INFO] finished tweaking crates.io crate malachi 0.9.1
[INFO] tweaked toml for crates.io crate malachi 0.9.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate malachi 0.9.1 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35ace0d08d34162fbc68c803e6b99ca058ae5ce464225395b5ea6ffeaa1f55e4
[INFO] running `Command { std: "docker" "start" "-a" "35ace0d08d34162fbc68c803e6b99ca058ae5ce464225395b5ea6ffeaa1f55e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35ace0d08d34162fbc68c803e6b99ca058ae5ce464225395b5ea6ffeaa1f55e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35ace0d08d34162fbc68c803e6b99ca058ae5ce464225395b5ea6ffeaa1f55e4", kill_on_drop: false }`
[INFO] [stdout] 35ace0d08d34162fbc68c803e6b99ca058ae5ce464225395b5ea6ffeaa1f55e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 315ec780d5ca57625053ea964fc8073763c5d368be4d0b654d0f3d9f040197e1
[INFO] running `Command { std: "docker" "start" "-a" "315ec780d5ca57625053ea964fc8073763c5d368be4d0b654d0f3d9f040197e1", kill_on_drop: false }`
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking malachi v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `digit1`, `many1`, `multispace1`, `terminated`
[INFO] [stdout]   --> src/parser/prelude.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 18 |         digit1,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 19 |         multispace0,
[INFO] [stdout] 20 |         multispace1,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |         many1,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         terminated,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `digit1`, `many1`, `multispace1`, `terminated`
[INFO] [stdout]   --> src/parser/prelude.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 18 |         digit1,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 19 |         multispace0,
[INFO] [stdout] 20 |         multispace1,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |         many1,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         terminated,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "315ec780d5ca57625053ea964fc8073763c5d368be4d0b654d0f3d9f040197e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "315ec780d5ca57625053ea964fc8073763c5d368be4d0b654d0f3d9f040197e1", kill_on_drop: false }`
[INFO] [stdout] 315ec780d5ca57625053ea964fc8073763c5d368be4d0b654d0f3d9f040197e1