[INFO] cloning repository https://github.com/serxka/fallingsand
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/serxka/fallingsand" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserxka%2Ffallingsand", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserxka%2Ffallingsand'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e204fbbd8c07fc04fcda5657b82816279fb48ddd
[INFO] checking serxka/fallingsand against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fserxka%2Ffallingsand" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/serxka/fallingsand on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/serxka/fallingsand
[INFO] finished tweaking git repo https://github.com/serxka/fallingsand
[INFO] tweaked toml for git repo https://github.com/serxka/fallingsand written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/serxka/fallingsand already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 068c83e3f488f8ab6f38bdce67b3d23d5775af459fd73eac513aa1a7f452edeb
[INFO] running `Command { std: "docker" "start" "-a" "068c83e3f488f8ab6f38bdce67b3d23d5775af459fd73eac513aa1a7f452edeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "068c83e3f488f8ab6f38bdce67b3d23d5775af459fd73eac513aa1a7f452edeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "068c83e3f488f8ab6f38bdce67b3d23d5775af459fd73eac513aa1a7f452edeb", kill_on_drop: false }`
[INFO] [stdout] 068c83e3f488f8ab6f38bdce67b3d23d5775af459fd73eac513aa1a7f452edeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 699a13c835c04b0fe587b3113996f0b99cf7ab57de214c80a2ae19448ba3f0ee
[INFO] running `Command { std: "docker" "start" "-a" "699a13c835c04b0fe587b3113996f0b99cf7ab57de214c80a2ae19448ba3f0ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling sdl2 v0.33.0
[INFO] [stderr]    Compiling sdl2-sys v0.33.0
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking fallingsand v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `ra` is never read
[INFO] [stdout]   --> src/sand.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Cell {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 11 |     pub species: Species,
[INFO] [stdout] 12 |     pub ra: u8,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cell` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ra` is never read
[INFO] [stdout]   --> src/sand.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Cell {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 11 |     pub species: Species,
[INFO] [stdout] 12 |     pub ra: u8,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cell` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cell_size` is never read
[INFO] [stdout]   --> src/sand.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct World {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     cell_size: i32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `World` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_dir` is never used
[INFO] [stdout]    --> src/sand.rs:191:4
[INFO] [stdout]     |
[INFO] [stdout] 191 | fn random_dir () -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `cell_size` is never read
[INFO] [stdout]   --> src/sand.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct World {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 20 |     cell_size: i32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `World` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `random_dir` is never used
[INFO] [stdout]    --> src/sand.rs:191:4
[INFO] [stdout]     |
[INFO] [stdout] 191 | fn random_dir () -> i32 {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.04s
[INFO] running `Command { std: "docker" "inspect" "699a13c835c04b0fe587b3113996f0b99cf7ab57de214c80a2ae19448ba3f0ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "699a13c835c04b0fe587b3113996f0b99cf7ab57de214c80a2ae19448ba3f0ee", kill_on_drop: false }`
[INFO] [stdout] 699a13c835c04b0fe587b3113996f0b99cf7ab57de214c80a2ae19448ba3f0ee