[INFO] cloning repository https://github.com/mateuspinto/ascii-arts-generator-ufv-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mateuspinto/ascii-arts-generator-ufv-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmateuspinto%2Fascii-arts-generator-ufv-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmateuspinto%2Fascii-arts-generator-ufv-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba6d2b2a4520a7dcc3e46cff565cc2f817db2c87
[INFO] checking mateuspinto/ascii-arts-generator-ufv-rust against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmateuspinto%2Fascii-arts-generator-ufv-rust" "/workspace/builds/worker-24/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-24/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mateuspinto/ascii-arts-generator-ufv-rust on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mateuspinto/ascii-arts-generator-ufv-rust
[INFO] finished tweaking git repo https://github.com/mateuspinto/ascii-arts-generator-ufv-rust
[INFO] tweaked toml for git repo https://github.com/mateuspinto/ascii-arts-generator-ufv-rust written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] crate git repo https://github.com/mateuspinto/ascii-arts-generator-ufv-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14b328c561cbeb8f23b30aa9f3ed1a4bf3a496b22237ed61935376393366d071
[INFO] running `Command { std: "docker" "start" "-a" "14b328c561cbeb8f23b30aa9f3ed1a4bf3a496b22237ed61935376393366d071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14b328c561cbeb8f23b30aa9f3ed1a4bf3a496b22237ed61935376393366d071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14b328c561cbeb8f23b30aa9f3ed1a4bf3a496b22237ed61935376393366d071", kill_on_drop: false }`
[INFO] [stdout] 14b328c561cbeb8f23b30aa9f3ed1a4bf3a496b22237ed61935376393366d071
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aab4b0bda38abfb70b0797711b899cd156625f5f830fdfb3e0339935fc113aa6
[INFO] running `Command { std: "docker" "start" "-a" "aab4b0bda38abfb70b0797711b899cd156625f5f830fdfb3e0339935fc113aa6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ascii-arts-generator-ufv-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/art/tests.rs:25:34
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 Err(e) => panic!(e),
[INFO] [stdout]    |                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{:?}" format string to use the Debug implementation of `ErrorKind`
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 Err(e) => panic!("{:?}", e),
[INFO] [stdout]    |                                  +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 25 |                 Err(e) => std::panic::panic_any(e),
[INFO] [stdout]    |                           ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/art/tests.rs:38:34
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 Err(e) => panic!(e),
[INFO] [stdout]    |                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{:?}" format string to use the Debug implementation of `ErrorKind`
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 Err(e) => panic!("{:?}", e),
[INFO] [stdout]    |                                  +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 38 |                 Err(e) => std::panic::panic_any(e),
[INFO] [stdout]    |                           ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/art/tests.rs:51:34
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 Err(e) => panic!(e),
[INFO] [stdout]    |                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{:?}" format string to use the Debug implementation of `ErrorKind`
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 Err(e) => panic!("{:?}", e),
[INFO] [stdout]    |                                  +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 51 |                 Err(e) => std::panic::panic_any(e),
[INFO] [stdout]    |                           ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/art/tests.rs:55:34
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 Err(e) => panic!(e),
[INFO] [stdout]    |                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{:?}" format string to use the Debug implementation of `ErrorKind`
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 Err(e) => panic!("{:?}", e),
[INFO] [stdout]    |                                  +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 55 |                 Err(e) => std::panic::panic_any(e),
[INFO] [stdout]    |                           ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/art/tests.rs:68:34
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 Err(e) => panic!(e),
[INFO] [stdout]    |                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{:?}" format string to use the Debug implementation of `ErrorKind`
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 Err(e) => panic!("{:?}", e),
[INFO] [stdout]    |                                  +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 Err(e) => std::panic::panic_any(e),
[INFO] [stdout]    |                           ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/art/tests.rs:72:34
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 Err(e) => panic!(e),
[INFO] [stdout]    |                                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{:?}" format string to use the Debug implementation of `ErrorKind`
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 Err(e) => panic!("{:?}", e),
[INFO] [stdout]    |                                  +++++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 Err(e) => std::panic::panic_any(e),
[INFO] [stdout]    |                           ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.63s
[INFO] running `Command { std: "docker" "inspect" "aab4b0bda38abfb70b0797711b899cd156625f5f830fdfb3e0339935fc113aa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aab4b0bda38abfb70b0797711b899cd156625f5f830fdfb3e0339935fc113aa6", kill_on_drop: false }`
[INFO] [stdout] aab4b0bda38abfb70b0797711b899cd156625f5f830fdfb3e0339935fc113aa6