[INFO] cloning repository https://github.com/caphindsight/rust-convex-polygon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/caphindsight/rust-convex-polygon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaphindsight%2Frust-convex-polygon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaphindsight%2Frust-convex-polygon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0fc9cffdf7859bf4171178314c0058873c370e5
[INFO] checking caphindsight/rust-convex-polygon against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaphindsight%2Frust-convex-polygon" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/caphindsight/rust-convex-polygon on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/caphindsight/rust-convex-polygon
[INFO] finished tweaking git repo https://github.com/caphindsight/rust-convex-polygon
[INFO] tweaked toml for git repo https://github.com/caphindsight/rust-convex-polygon written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/caphindsight/rust-convex-polygon already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f0fddd50a30966d2d9dd5045f46d940843c05a9fd1a5a996c0c8d5f9492e70f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8f0fddd50a30966d2d9dd5045f46d940843c05a9fd1a5a996c0c8d5f9492e70f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f0fddd50a30966d2d9dd5045f46d940843c05a9fd1a5a996c0c8d5f9492e70f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f0fddd50a30966d2d9dd5045f46d940843c05a9fd1a5a996c0c8d5f9492e70f", kill_on_drop: false }`
[INFO] [stdout] 8f0fddd50a30966d2d9dd5045f46d940843c05a9fd1a5a996c0c8d5f9492e70f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1ea085c26fb60d38a2fe0202f339898f74b5c50d55089a91e33fb8078246a1e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a1ea085c26fb60d38a2fe0202f339898f74b5c50d55089a91e33fb8078246a1e", kill_on_drop: false }`
[INFO] [stderr]     Checking text_io v0.1.5
[INFO] [stderr]     Checking convex_polygon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/main.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let n: usize = read!();
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: this warning originates in the macro `scan` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/main.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let x: f64 = read!();
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: this warning originates in the macro `scan` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/main.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let y: f64 = read!();
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: this warning originates in the macro `scan` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/main.rs:13:20
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let n: usize = read!();
[INFO] [stdout]    |                    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: this warning originates in the macro `scan` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/main.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let x: f64 = read!();
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: this warning originates in the macro `scan` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]   --> src/main.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let y: f64 = read!();
[INFO] [stdout]    |                      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]    = note: this warning originates in the macro `scan` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "a1ea085c26fb60d38a2fe0202f339898f74b5c50d55089a91e33fb8078246a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1ea085c26fb60d38a2fe0202f339898f74b5c50d55089a91e33fb8078246a1e", kill_on_drop: false }`
[INFO] [stdout] a1ea085c26fb60d38a2fe0202f339898f74b5c50d55089a91e33fb8078246a1e