[INFO] cloning repository https://github.com/floschnell/ascii-platformer
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/floschnell/ascii-platformer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffloschnell%2Fascii-platformer"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffloschnell%2Fascii-platformer'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1abd783ef013b2c374e3ba5d1e85ca43a048febd
[INFO] checking floschnell/ascii-platformer against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffloschnell%2Fascii-platformer" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/floschnell/ascii-platformer on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/floschnell/ascii-platformer
[INFO] finished tweaking git repo https://github.com/floschnell/ascii-platformer
[INFO] tweaked toml for git repo https://github.com/floschnell/ascii-platformer written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/floschnell/ascii-platformer already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2d1284bb3b0d3c85aeb4b3051769c9a2ceeb353ea095a0cad9c362f03d2d3d3c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "2d1284bb3b0d3c85aeb4b3051769c9a2ceeb353ea095a0cad9c362f03d2d3d3c"`
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking platformer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Rgb`
[INFO] [stderr]  --> src/main.rs:5:30
[INFO] [stderr]   |
[INFO] [stderr] 5 | use termion::color::{Bg, Fg, Rgb};
[INFO] [stderr]   |                              ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:261:28
[INFO] [stderr]     |
[INFO] [stderr] 261 |         let (fg, bg): (Box<termion::color::Color>, Box<termion::color::Color>) = match part {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn termion::color::Color`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:261:56
[INFO] [stderr]     |
[INFO] [stderr] 261 |         let (fg, bg): (Box<termion::color::Color>, Box<termion::color::Color>) = match part {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn termion::color::Color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Rgb`
[INFO] [stderr]  --> src/main.rs:5:30
[INFO] [stderr]   |
[INFO] [stderr] 5 | use termion::color::{Bg, Fg, Rgb};
[INFO] [stderr]   |                              ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:261:28
[INFO] [stderr]     |
[INFO] [stderr] 261 |         let (fg, bg): (Box<termion::color::Color>, Box<termion::color::Color>) = match part {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn termion::color::Color`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:261:56
[INFO] [stderr]     |
[INFO] [stderr] 261 |         let (fg, bg): (Box<termion::color::Color>, Box<termion::color::Color>) = match part {
[INFO] [stderr]     |                                                        ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn termion::color::Color`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:75:3
[INFO] [stderr]    |
[INFO] [stderr] 75 |   write!(stdout, "{}", termion::cursor::Hide);
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:75:3
[INFO] [stderr]    |
[INFO] [stderr] 75 |   write!(stdout, "{}", termion::cursor::Hide);
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `"docker" "inspect" "2d1284bb3b0d3c85aeb4b3051769c9a2ceeb353ea095a0cad9c362f03d2d3d3c"`
[INFO] running `"docker" "rm" "-f" "2d1284bb3b0d3c85aeb4b3051769c9a2ceeb353ea095a0cad9c362f03d2d3d3c"`
[INFO] [stdout] 2d1284bb3b0d3c85aeb4b3051769c9a2ceeb353ea095a0cad9c362f03d2d3d3c