[INFO] cloning repository https://github.com/shantanu404/gas_simulation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shantanu404/gas_simulation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshantanu404%2Fgas_simulation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshantanu404%2Fgas_simulation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33f86a8b126276e4db07154d3971a02a0a697a85
[INFO] checking shantanu404/gas_simulation against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshantanu404%2Fgas_simulation" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shantanu404/gas_simulation on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/shantanu404/gas_simulation
[INFO] finished tweaking git repo https://github.com/shantanu404/gas_simulation
[INFO] tweaked toml for git repo https://github.com/shantanu404/gas_simulation written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/shantanu404/gas_simulation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Rust-SDL2/rust-sdl2`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.1.42
[INFO] [stderr]   Downloaded libc v0.2.50
[INFO] [stderr]   Downloaded autocfg v0.1.2
[INFO] [stderr]   Downloaded rand_jitter v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e26b96d4ec2b41ad3f6d0f89004f7e587cfbffee1416579e86c39bd5a82fa06
[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" "4e26b96d4ec2b41ad3f6d0f89004f7e587cfbffee1416579e86c39bd5a82fa06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e26b96d4ec2b41ad3f6d0f89004f7e587cfbffee1416579e86c39bd5a82fa06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e26b96d4ec2b41ad3f6d0f89004f7e587cfbffee1416579e86c39bd5a82fa06", kill_on_drop: false }`
[INFO] [stdout] 4e26b96d4ec2b41ad3f6d0f89004f7e587cfbffee1416579e86c39bd5a82fa06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 24d68a1a578b0ead2b187f39c51259c2703cf9c0c110309d650c6eb059f76bb5
[INFO] running `Command { std: "docker" "start" "-a" "24d68a1a578b0ead2b187f39c51259c2703cf9c0c110309d650c6eb059f76bb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2 v0.32.1 (https://github.com/Rust-SDL2/rust-sdl2#0ebf3449)
[INFO] [stderr]    Compiling sdl2-sys v0.32.5 (https://github.com/Rust-SDL2/rust-sdl2#0ebf3449)
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking gas_simulation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.02s
[INFO] running `Command { std: "docker" "inspect" "24d68a1a578b0ead2b187f39c51259c2703cf9c0c110309d650c6eb059f76bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24d68a1a578b0ead2b187f39c51259c2703cf9c0c110309d650c6eb059f76bb5", kill_on_drop: false }`
[INFO] [stdout] 24d68a1a578b0ead2b187f39c51259c2703cf9c0c110309d650c6eb059f76bb5