[INFO] cloning repository https://github.com/dstepanov/snake-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dstepanov/snake-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdstepanov%2Fsnake-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdstepanov%2Fsnake-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6260fec57e46fdf253478d3f203de3cd3cb809b
[INFO] testing dstepanov/snake-rs against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdstepanov%2Fsnake-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dstepanov/snake-rs on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dstepanov/snake-rs
[INFO] finished tweaking git repo https://github.com/dstepanov/snake-rs
[INFO] tweaked toml for git repo https://github.com/dstepanov/snake-rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/dstepanov/snake-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", 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] fa6db83c767084e80f7d3444c63b2488f29c80ecc286e8e90bc49dde70d31bde
[INFO] running `Command { std: "docker" "start" "-a" "fa6db83c767084e80f7d3444c63b2488f29c80ecc286e8e90bc49dde70d31bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa6db83c767084e80f7d3444c63b2488f29c80ecc286e8e90bc49dde70d31bde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa6db83c767084e80f7d3444c63b2488f29c80ecc286e8e90bc49dde70d31bde", kill_on_drop: false }`
[INFO] [stdout] fa6db83c767084e80f7d3444c63b2488f29c80ecc286e8e90bc49dde70d31bde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6fe158e6328ce5a140621ff20f604931e356596d1a262c3e3251f013657f2190
[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" "6fe158e6328ce5a140621ff20f604931e356596d1a262c3e3251f013657f2190", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling libc v0.2.19
[INFO] [stderr]    Compiling lazy_static v0.2.2
[INFO] [stderr]    Compiling sdl2-sys v0.27.2
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling sdl2 v0.27.3
[INFO] [stderr]    Compiling snake-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:122:13
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let mut next = &mut match self.direction {
[INFO] [stdout]     |             ----^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/snake_rs-5897c3da95b6c9ac.snake_rs.08e8fd7e-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/snake_rs-5897c3da95b6c9ac.snake_rs.08e8fd7e-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/snake_rs-5897c3da95b6c9ac.snake_rs.08e8fd7e-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/snake_rs-5897c3da95b6c9ac.snake_rs.08e8fd7e-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/snake_rs-5897c3da95b6c9ac.snake_rs.08e8fd7e-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/snake_rs-5897c3da95b6c9ac.snake_rs.08e8fd7e-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/snake_rs-5897c3da95b6c9ac.snake_rs.08e8fd7e-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/snake_rs-5897c3da95b6c9ac.snake_rs.08e8fd7e-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/snake_rs-5897c3da95b6c9ac.snake_rs.08e8fd7e-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/snake_rs-5897c3da95b6c9ac.snake_rs.08e8fd7e-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/snake_rs-5897c3da95b6c9ac.snake_rs.08e8fd7e-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/snake_rs-5897c3da95b6c9ac.snake_rs.08e8fd7e-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/snake_rs-5897c3da95b6c9ac.snake_rs.08e8fd7e-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/snake_rs-5897c3da95b6c9ac.snake_rs.08e8fd7e-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/snake_rs-5897c3da95b6c9ac.snake_rs.08e8fd7e-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/snake_rs-5897c3da95b6c9ac.snake_rs.08e8fd7e-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/snake_rs-5897c3da95b6c9ac.4e91zc6ai1g82sd2.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libsdl2-de48eecd93661fda.rlib" "/opt/rustwide/target/debug/deps/librand-239dd95f5e209c2c.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-84b583d2efd0e9cd.rlib" "/opt/rustwide/target/debug/deps/libbitflags-a90aa1b00e6334cb.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-5180e9728d582495.rlib" "/opt/rustwide/target/debug/deps/liblibc-bd1c08bd896a1293.rlib" "/opt/rustwide/target/debug/deps/libnum-30aa622f668bf19b.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-a2375fcefbae8aec.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-295dde118cc75411.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-a35b8d467a650b76.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a46a068050a12a4b.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-1df56095db9453cb.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-9062de483386e50b.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-b988ab269ff13602.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-1bc822d886d4f7bd.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-963eca8df4c224a6.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d805b480c9102e58.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-06dfdbc22b935051.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-d7523a4d118e6572.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-5d7898c7fac3a07d.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-8c2bdbab4845bf3d.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-d578639df0547b30.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-58bbb7b1efa3a5e2.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-4c9b082d197c16f8.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-70f9ed6d8e7a5ce6.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8c0a241d0360fa53.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-bad7ed93fdd31371.rlib" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-98b4d121af2b7335.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-1d9f7e5920635d15.rlib" "-Wl,-Bdynamic" "-lSDL2_ttf" "-lSDL2" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.59.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/snake_rs-5897c3da95b6c9ac" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_ttf
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `snake-rs` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "6fe158e6328ce5a140621ff20f604931e356596d1a262c3e3251f013657f2190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fe158e6328ce5a140621ff20f604931e356596d1a262c3e3251f013657f2190", kill_on_drop: false }`
[INFO] [stdout] 6fe158e6328ce5a140621ff20f604931e356596d1a262c3e3251f013657f2190