[INFO] cloning repository https://github.com/disDeal/k-clustering
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/disDeal/k-clustering" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdisDeal%2Fk-clustering", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdisDeal%2Fk-clustering'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5df0d56984b64cc31e2b22c97b8a1292d2e3f11d
[INFO] testing disDeal/k-clustering against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FdisDeal%2Fk-clustering" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/disDeal/k-clustering on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/disDeal/k-clustering
[INFO] finished tweaking git repo https://github.com/disDeal/k-clustering
[INFO] tweaked toml for git repo https://github.com/disDeal/k-clustering written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/disDeal/k-clustering already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac44a4facd06d120fa6b9d3b98e9e7eea01a8d0dcd04ca3941954b2aaf7d807a
[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" "ac44a4facd06d120fa6b9d3b98e9e7eea01a8d0dcd04ca3941954b2aaf7d807a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac44a4facd06d120fa6b9d3b98e9e7eea01a8d0dcd04ca3941954b2aaf7d807a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac44a4facd06d120fa6b9d3b98e9e7eea01a8d0dcd04ca3941954b2aaf7d807a", kill_on_drop: false }`
[INFO] [stdout] ac44a4facd06d120fa6b9d3b98e9e7eea01a8d0dcd04ca3941954b2aaf7d807a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 389f2c1ddf7ca8812bc7e1d4b4424359b8abd13c10e316fcc69f0c3a3a71922a
[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" "389f2c1ddf7ca8812bc7e1d4b4424359b8abd13c10e316fcc69f0c3a3a71922a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling lzw v0.10.0
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling gif v0.10.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling png v0.15.0
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling rayon v1.1.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling jpeg-decoder v0.1.16
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling image v0.22.1
[INFO] [stderr]    Compiling k_clustering v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/lib.rs:181:22
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let val_f: f64 = unwrap_or_panic!(NumCast::from(val), "first");
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("[map_range] failed to cast {} arg to `f64`", ...))
[INFO] [stdout]     |                                                                                          ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("{}", "[map_range] failed to cast {} arg to `f64`"))
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/lib.rs:182:25
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let in_min_f: f64 = unwrap_or_panic!(NumCast::from(in_min), "second");
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("[map_range] failed to cast {} arg to `f64`", ...))
[INFO] [stdout]     |                                                                                          ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("{}", "[map_range] failed to cast {} arg to `f64`"))
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/lib.rs:183:25
[INFO] [stdout]     |
[INFO] [stdout] 183 |     let in_max_f: f64 = unwrap_or_panic!(NumCast::from(in_max), "third");
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("[map_range] failed to cast {} arg to `f64`", ...))
[INFO] [stdout]     |                                                                                          ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("{}", "[map_range] failed to cast {} arg to `f64`"))
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/lib.rs:184:26
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let out_min_f: f64 = unwrap_or_panic!(NumCast::from(out_min), "fourth");
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("[map_range] failed to cast {} arg to `f64`", ...))
[INFO] [stdout]     |                                                                                          ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("{}", "[map_range] failed to cast {} arg to `f64`"))
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/lib.rs:185:26
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let out_max_f: f64 = unwrap_or_panic!(NumCast::from(out_max), "fifth");
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("[map_range] failed to cast {} arg to `f64`", ...))
[INFO] [stdout]     |                                                                                          ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("{}", "[map_range] failed to cast {} arg to `f64`"))
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "389f2c1ddf7ca8812bc7e1d4b4424359b8abd13c10e316fcc69f0c3a3a71922a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "389f2c1ddf7ca8812bc7e1d4b4424359b8abd13c10e316fcc69f0c3a3a71922a", kill_on_drop: false }`
[INFO] [stdout] 389f2c1ddf7ca8812bc7e1d4b4424359b8abd13c10e316fcc69f0c3a3a71922a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3425eb5d13ea26f05fe91e9bf985801f1243eedcc4734fdc7b73b26aba6fc1d6
[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" "3425eb5d13ea26f05fe91e9bf985801f1243eedcc4734fdc7b73b26aba6fc1d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling k_clustering v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/lib.rs:181:22
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let val_f: f64 = unwrap_or_panic!(NumCast::from(val), "first");
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("[map_range] failed to cast {} arg to `f64`", ...))
[INFO] [stdout]     |                                                                                          ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("{}", "[map_range] failed to cast {} arg to `f64`"))
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/lib.rs:182:25
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let in_min_f: f64 = unwrap_or_panic!(NumCast::from(in_min), "second");
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("[map_range] failed to cast {} arg to `f64`", ...))
[INFO] [stdout]     |                                                                                          ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("{}", "[map_range] failed to cast {} arg to `f64`"))
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/lib.rs:183:25
[INFO] [stdout]     |
[INFO] [stdout] 183 |     let in_max_f: f64 = unwrap_or_panic!(NumCast::from(in_max), "third");
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("[map_range] failed to cast {} arg to `f64`", ...))
[INFO] [stdout]     |                                                                                          ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("{}", "[map_range] failed to cast {} arg to `f64`"))
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/lib.rs:184:26
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let out_min_f: f64 = unwrap_or_panic!(NumCast::from(out_min), "fourth");
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("[map_range] failed to cast {} arg to `f64`", ...))
[INFO] [stdout]     |                                                                                          ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("{}", "[map_range] failed to cast {} arg to `f64`"))
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/lib.rs:185:26
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let out_max_f: f64 = unwrap_or_panic!(NumCast::from(out_max), "fifth");
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("[map_range] failed to cast {} arg to `f64`", ...))
[INFO] [stdout]     |                                                                                          ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("{}", "[map_range] failed to cast {} arg to `f64`"))
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/lib.rs:181:22
[INFO] [stdout]     |
[INFO] [stdout] 181 |     let val_f: f64 = unwrap_or_panic!(NumCast::from(val), "first");
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("[map_range] failed to cast {} arg to `f64`", ...))
[INFO] [stdout]     |                                                                                          ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("{}", "[map_range] failed to cast {} arg to `f64`"))
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/lib.rs:182:25
[INFO] [stdout]     |
[INFO] [stdout] 182 |     let in_min_f: f64 = unwrap_or_panic!(NumCast::from(in_min), "second");
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("[map_range] failed to cast {} arg to `f64`", ...))
[INFO] [stdout]     |                                                                                          ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("{}", "[map_range] failed to cast {} arg to `f64`"))
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/lib.rs:183:25
[INFO] [stdout]     |
[INFO] [stdout] 183 |     let in_max_f: f64 = unwrap_or_panic!(NumCast::from(in_max), "third");
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("[map_range] failed to cast {} arg to `f64`", ...))
[INFO] [stdout]     |                                                                                          ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("{}", "[map_range] failed to cast {} arg to `f64`"))
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/lib.rs:184:26
[INFO] [stdout]     |
[INFO] [stdout] 184 |     let out_min_f: f64 = unwrap_or_panic!(NumCast::from(out_min), "fourth");
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("[map_range] failed to cast {} arg to `f64`", ...))
[INFO] [stdout]     |                                                                                          ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("{}", "[map_range] failed to cast {} arg to `f64`"))
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message contains an unused formatting placeholder
[INFO] [stdout]    --> src/lib.rs:185:26
[INFO] [stdout]     |
[INFO] [stdout] 185 |     let out_max_f: f64 = unwrap_or_panic!(NumCast::from(out_max), "fifth");
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stdout] help: add the missing argument
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("[map_range] failed to cast {} arg to `f64`", ...))
[INFO] [stdout]     |                                                                                          ^^^^^
[INFO] [stdout] help: or add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 177 |             $result.unwrap_or_else(|| panic!("{}", "[map_range] failed to cast {} arg to `f64`"))
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `Command { std: "docker" "inspect" "3425eb5d13ea26f05fe91e9bf985801f1243eedcc4734fdc7b73b26aba6fc1d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3425eb5d13ea26f05fe91e9bf985801f1243eedcc4734fdc7b73b26aba6fc1d6", kill_on_drop: false }`
[INFO] [stdout] 3425eb5d13ea26f05fe91e9bf985801f1243eedcc4734fdc7b73b26aba6fc1d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 651d75a2d18edb2b34051749098cd219d2615fc5c29d20ab1504609d22c2dcd4
[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" "651d75a2d18edb2b34051749098cd219d2615fc5c29d20ab1504609d22c2dcd4", kill_on_drop: false }`
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/lib.rs:181:22
[INFO] [stderr]     |
[INFO] [stderr] 181 |     let val_f: f64 = unwrap_or_panic!(NumCast::from(val), "first");
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 177 |             $result.unwrap_or_else(|| panic!("[map_range] failed to cast {} arg to `f64`", ...))
[INFO] [stderr]     |                                                                                          ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 177 |             $result.unwrap_or_else(|| panic!("{}", "[map_range] failed to cast {} arg to `f64`"))
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/lib.rs:182:25
[INFO] [stderr]     |
[INFO] [stderr] 182 |     let in_min_f: f64 = unwrap_or_panic!(NumCast::from(in_min), "second");
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 177 |             $result.unwrap_or_else(|| panic!("[map_range] failed to cast {} arg to `f64`", ...))
[INFO] [stderr]     |                                                                                          ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 177 |             $result.unwrap_or_else(|| panic!("{}", "[map_range] failed to cast {} arg to `f64`"))
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/lib.rs:183:25
[INFO] [stderr]     |
[INFO] [stderr] 183 |     let in_max_f: f64 = unwrap_or_panic!(NumCast::from(in_max), "third");
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 177 |             $result.unwrap_or_else(|| panic!("[map_range] failed to cast {} arg to `f64`", ...))
[INFO] [stderr]     |                                                                                          ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 177 |             $result.unwrap_or_else(|| panic!("{}", "[map_range] failed to cast {} arg to `f64`"))
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/lib.rs:184:26
[INFO] [stderr]     |
[INFO] [stderr] 184 |     let out_min_f: f64 = unwrap_or_panic!(NumCast::from(out_min), "fourth");
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 177 |             $result.unwrap_or_else(|| panic!("[map_range] failed to cast {} arg to `f64`", ...))
[INFO] [stderr]     |                                                                                          ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 177 |             $result.unwrap_or_else(|| panic!("{}", "[map_range] failed to cast {} arg to `f64`"))
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/lib.rs:185:26
[INFO] [stderr]     |
[INFO] [stderr] 185 |     let out_max_f: f64 = unwrap_or_panic!(NumCast::from(out_max), "fifth");
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 177 |             $result.unwrap_or_else(|| panic!("[map_range] failed to cast {} arg to `f64`", ...))
[INFO] [stderr]     |                                                                                          ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 177 |             $result.unwrap_or_else(|| panic!("{}", "[map_range] failed to cast {} arg to `f64`"))
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/lib.rs:181:22
[INFO] [stderr]     |
[INFO] [stderr] 181 |     let val_f: f64 = unwrap_or_panic!(NumCast::from(val), "first");
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 177 |             $result.unwrap_or_else(|| panic!("[map_range] failed to cast {} arg to `f64`", ...))
[INFO] [stderr]     |                                                                                          ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 177 |             $result.unwrap_or_else(|| panic!("{}", "[map_range] failed to cast {} arg to `f64`"))
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/lib.rs:182:25
[INFO] [stderr]     |
[INFO] [stderr] 182 |     let in_min_f: f64 = unwrap_or_panic!(NumCast::from(in_min), "second");
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 177 |             $result.unwrap_or_else(|| panic!("[map_range] failed to cast {} arg to `f64`", ...))
[INFO] [stderr]     |                                                                                          ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 177 |             $result.unwrap_or_else(|| panic!("{}", "[map_range] failed to cast {} arg to `f64`"))
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/lib.rs:183:25
[INFO] [stderr]     |
[INFO] [stderr] 183 |     let in_max_f: f64 = unwrap_or_panic!(NumCast::from(in_max), "third");
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 177 |             $result.unwrap_or_else(|| panic!("[map_range] failed to cast {} arg to `f64`", ...))
[INFO] [stderr]     |                                                                                          ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 177 |             $result.unwrap_or_else(|| panic!("{}", "[map_range] failed to cast {} arg to `f64`"))
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/lib.rs:184:26
[INFO] [stderr]     |
[INFO] [stderr] 184 |     let out_min_f: f64 = unwrap_or_panic!(NumCast::from(out_min), "fourth");
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 177 |             $result.unwrap_or_else(|| panic!("[map_range] failed to cast {} arg to `f64`", ...))
[INFO] [stderr]     |                                                                                          ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 177 |             $result.unwrap_or_else(|| panic!("{}", "[map_range] failed to cast {} arg to `f64`"))
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message contains an unused formatting placeholder
[INFO] [stderr]    --> src/lib.rs:185:26
[INFO] [stderr]     |
[INFO] [stderr] 185 |     let out_max_f: f64 = unwrap_or_panic!(NumCast::from(out_max), "fifth");
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this message is not used as a format string when given without arguments, but will be in Rust 2021
[INFO] [stderr] help: add the missing argument
[INFO] [stderr]     |
[INFO] [stderr] 177 |             $result.unwrap_or_else(|| panic!("[map_range] failed to cast {} arg to `f64`", ...))
[INFO] [stderr]     |                                                                                          ^^^^^
[INFO] [stderr] help: or add a "{}" format string to use the message literally
[INFO] [stderr]     |
[INFO] [stderr] 177 |             $result.unwrap_or_else(|| panic!("{}", "[map_range] failed to cast {} arg to `f64`"))
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/k_clustering-27d335c2ebaa2720)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests k_clustering
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "651d75a2d18edb2b34051749098cd219d2615fc5c29d20ab1504609d22c2dcd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "651d75a2d18edb2b34051749098cd219d2615fc5c29d20ab1504609d22c2dcd4", kill_on_drop: false }`
[INFO] [stdout] 651d75a2d18edb2b34051749098cd219d2615fc5c29d20ab1504609d22c2dcd4