[INFO] cloning repository https://github.com/FuriouZz/fine-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FuriouZz/fine-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuriouZz%2Ffine-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuriouZz%2Ffine-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d0aba1bf0c987cacc23eb127ea89fb1c0ef57aa
[INFO] checking FuriouZz/fine-rs against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuriouZz%2Ffine-rs" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FuriouZz/fine-rs 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] removed /workspace/builds/worker-6-tc1/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/FuriouZz/fine-rs
[INFO] finished tweaking git repo https://github.com/FuriouZz/fine-rs
[INFO] tweaked toml for git repo https://github.com/FuriouZz/fine-rs written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/FuriouZz/fine-rs 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gpu-alloc v0.5.0
[INFO] [stderr]   Downloaded gpu-descriptor v0.2.1
[INFO] [stderr]   Downloaded arrayvec v0.7.1
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[INFO] [stderr]   Downloaded profiling v1.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2d54b165f3a542fd38140e4c0ad766b2de671d6372b8c8206db3a4841d8f23be
[INFO] running `Command { std: "docker" "start" "-a" "2d54b165f3a542fd38140e4c0ad766b2de671d6372b8c8206db3a4841d8f23be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d54b165f3a542fd38140e4c0ad766b2de671d6372b8c8206db3a4841d8f23be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d54b165f3a542fd38140e4c0ad766b2de671d6372b8c8206db3a4841d8f23be", kill_on_drop: false }`
[INFO] [stdout] 2d54b165f3a542fd38140e4c0ad766b2de671d6372b8c8206db3a4841d8f23be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 5998f8d774124a18ed4d7cf354baedd1a9cb40bf58485a74ca6240d54c1e46e5
[INFO] running `Command { std: "docker" "start" "-a" "5998f8d774124a18ed4d7cf354baedd1a9cb40bf58485a74ca6240d54c1e46e5", kill_on_drop: false }`
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[INFO] [stderr]     Checking fine v0.1.0 (/opt/rustwide/workdir/crates/fine)
[INFO] [stdout] warning: the item `render` is imported redundantly
[INFO] [stdout]  --> crates/fine/src/frame.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::render;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ the item `render` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `render` is imported redundantly
[INFO] [stdout]  --> crates/fine/src/frame.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::render;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ the item `render` is already defined by prelude
[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 16.40s
[INFO] running `Command { std: "docker" "inspect" "5998f8d774124a18ed4d7cf354baedd1a9cb40bf58485a74ca6240d54c1e46e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5998f8d774124a18ed4d7cf354baedd1a9cb40bf58485a74ca6240d54c1e46e5", kill_on_drop: false }`
[INFO] [stdout] 5998f8d774124a18ed4d7cf354baedd1a9cb40bf58485a74ca6240d54c1e46e5