[INFO] cloning repository https://github.com/tamuctf/penrose
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tamuctf/penrose" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamuctf%2Fpenrose", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamuctf%2Fpenrose'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30c48ac3b7e9c32e3a252e4d0efe1540e15f5784
[INFO] checking tamuctf/penrose against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftamuctf%2Fpenrose" "/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/tamuctf/penrose 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 git repo https://github.com/tamuctf/penrose
[INFO] finished tweaking git repo https://github.com/tamuctf/penrose
[INFO] tweaked toml for git repo https://github.com/tamuctf/penrose written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tamuctf/penrose 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iai v0.1.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.28
[INFO] [stderr]   Downloaded euclid v0.22.6
[INFO] [stderr]   Downloaded syn v1.0.74
[INFO] [stderr]   Downloaded svg v0.10.0
[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] e4304503a0eaacb30bd03dcac70cda8d0d8429df5b27fa1baf3cad77ce6ab01d
[INFO] running `Command { std: "docker" "start" "-a" "e4304503a0eaacb30bd03dcac70cda8d0d8429df5b27fa1baf3cad77ce6ab01d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4304503a0eaacb30bd03dcac70cda8d0d8429df5b27fa1baf3cad77ce6ab01d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4304503a0eaacb30bd03dcac70cda8d0d8429df5b27fa1baf3cad77ce6ab01d", kill_on_drop: false }`
[INFO] [stdout] e4304503a0eaacb30bd03dcac70cda8d0d8429df5b27fa1baf3cad77ce6ab01d
[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] 3c8393900d5b6b3209326e6eba0476132d12b1b4a9ce4fc5f2588bd341ee7708
[INFO] running `Command { std: "docker" "start" "-a" "3c8393900d5b6b3209326e6eba0476132d12b1b4a9ce4fc5f2588bd341ee7708", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]     Checking svg v0.10.0
[INFO] [stderr]     Checking iai v0.1.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking euclid v0.22.6
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]     Checking penrose-tiling v0.1.0 (/opt/rustwide/workdir/tiling)
[INFO] [stdout] warning: the item `BarBound` is imported redundantly
[INFO] [stdout]    --> tiling/src/fivefold.rs:419:9
[INFO] [stdout]     |
[INFO] [stdout] 419 |     use crate::musical_sequence::BarBound;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 420 |
[INFO] [stdout] 421 |     use super::*;
[INFO] [stdout]     |         -------- the item `BarBound` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking penrose-renderer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.65s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svg v0.10.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "3c8393900d5b6b3209326e6eba0476132d12b1b4a9ce4fc5f2588bd341ee7708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c8393900d5b6b3209326e6eba0476132d12b1b4a9ce4fc5f2588bd341ee7708", kill_on_drop: false }`
[INFO] [stdout] 3c8393900d5b6b3209326e6eba0476132d12b1b4a9ce4fc5f2588bd341ee7708