[INFO] updating cached repository https://github.com/mmihira/prowst
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91b833f2af64687cb1c470a5d6db2304f066e350
[INFO] testing mmihira/prowst against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmmihira%2Fprowst" "/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/mmihira/prowst on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mmihira/prowst
[INFO] finished tweaking git repo https://github.com/mmihira/prowst
[INFO] tweaked toml for git repo https://github.com/mmihira/prowst written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mmihira/prowst already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7ca125ccdd9a0c9b7e32550cc91fa610d4d878c3770aa083f8e85a8030adb20
[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" "e7ca125ccdd9a0c9b7e32550cc91fa610d4d878c3770aa083f8e85a8030adb20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7ca125ccdd9a0c9b7e32550cc91fa610d4d878c3770aa083f8e85a8030adb20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7ca125ccdd9a0c9b7e32550cc91fa610d4d878c3770aa083f8e85a8030adb20", kill_on_drop: false }`
[INFO] [stdout] e7ca125ccdd9a0c9b7e32550cc91fa610d4d878c3770aa083f8e85a8030adb20
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cceeea229c13e0f9ae695c2e833865756f08b181720477c7979149d362df9114
[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" "cceeea229c13e0f9ae695c2e833865756f08b181720477c7979149d362df9114", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling sdl2-sys v0.27.2
[INFO] [stderr]    Compiling lazy_static v0.2.4
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling c_vec v1.0.12
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling num-integer v0.1.33
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling num v0.1.37
[INFO] [stderr]    Compiling uuid v0.5.0
[INFO] [stderr]    Compiling sdl2 v0.29.0
[INFO] [stderr]    Compiling prowst v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `time`
[INFO] [stdout]  --> src/material/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use time;
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/material_map/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec`
[INFO] [stdout]  --> src/material_map/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::vec;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem`
[INFO] [stdout]  --> src/simulation_engine/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::mem;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec`
[INFO] [stdout]  --> src/simulation_engine/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::vec;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/simulation_engine/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `material::RGB`
[INFO] [stdout]   --> src/simulation_engine/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use material::RGB;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `material::State`
[INFO] [stdout]   --> src/simulation_engine/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use material::State;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `IndependentSample`, `Range`
[INFO] [stdout]  --> src/simulation_engine/trait_update_cell_positions.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 6 | use rand::distributions::{IndependentSample, Range};
[INFO] [stdout]   |                           ^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/simulation_engine/trait_update_cell_positions.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |                 for x in (0..self.buffer_width) {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec`
[INFO] [stdout]  --> src/brushes/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::vec;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `time::Duration`
[INFO] [stdout]  --> src/counter/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `surface`
[INFO] [stdout]   --> src/main.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let surface = Surface::new(512, 512, PixelFormatEnum::RGB24).unwrap();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_surface`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elapsed`
[INFO] [stdout]   --> src/simulation_engine/trait_update_cell_positions.rs:25:41
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn update_cell_positions(&mut self, elapsed: &time::Duration) {
[INFO] [stdout]    |                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elapsed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Calc`
[INFO] [stdout]   --> src/material/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Calc,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Dead`
[INFO] [stdout]   --> src/material/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Dead
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `speed`
[INFO] [stdout]   --> src/material/mod.rs:30:13
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn  speed(&self) -> f32 {
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `contents_at_index`
[INFO] [stdout]   --> src/material_map/mod.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn contents_at_index (&self, y: usize, x: usize) -> Option<MaterialRecord>{
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `rgb_at_index`
[INFO] [stdout]   --> src/material_map/mod.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn rgb_at_index(&self, y: usize, x: usize) -> RGB {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `t_count`
[INFO] [stdout]   --> src/simulation_engine/mod.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     t_count: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `p_count`
[INFO] [stdout]   --> src/simulation_engine/mod.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 |     p_count: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/prowst-def08cc95ee57ca4.prowst.8d34phms-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/prowst-def08cc95ee57ca4.prowst.8d34phms-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/prowst-def08cc95ee57ca4.prowst.8d34phms-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/prowst-def08cc95ee57ca4.prowst.8d34phms-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/prowst-def08cc95ee57ca4.prowst.8d34phms-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/prowst-def08cc95ee57ca4.prowst.8d34phms-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/prowst-def08cc95ee57ca4.prowst.8d34phms-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/prowst-def08cc95ee57ca4.prowst.8d34phms-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/prowst-def08cc95ee57ca4.prowst.8d34phms-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/prowst-def08cc95ee57ca4.prowst.8d34phms-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/prowst-def08cc95ee57ca4.prowst.8d34phms-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/prowst-def08cc95ee57ca4.prowst.8d34phms-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/prowst-def08cc95ee57ca4.prowst.8d34phms-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/prowst-def08cc95ee57ca4.prowst.8d34phms-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/prowst-def08cc95ee57ca4.prowst.8d34phms-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/prowst-def08cc95ee57ca4.prowst.8d34phms-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/prowst-def08cc95ee57ca4" "/opt/rustwide/target/debug/deps/prowst-def08cc95ee57ca4.44l5iiqzp2m6melq.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-Wl,-O1" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libtime-208ccadd3c93a152.rlib" "/opt/rustwide/target/debug/deps/libsdl2-57833d2f5d645131.rlib" "/opt/rustwide/target/debug/deps/librand-4242f53132abba98.rlib" "/opt/rustwide/target/debug/deps/libc_vec-a50ed42d868d6da2.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-44e7e1376b8d3343.rlib" "/opt/rustwide/target/debug/deps/libbitflags-9dcf19d0801f5779.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-483f5a0c665dbe33.rlib" "/opt/rustwide/target/debug/deps/liblibc-2805cc437293d2ca.rlib" "/opt/rustwide/target/debug/deps/libnum-f7db3c2e6964b7f6.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-cba59312bf4a6773.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-b77d41af191e522a.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-4a593dafba9a6bbc.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d66e0ceb8eaec9b8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9717ec0599b569a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-04369de9ba916647.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-997d622c2e4dbe5c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-0359c4288a5ef89f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-1b25ede22d698ab3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-37940b486a68e488.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-06b77c27e794c7c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-4d07e02a8df36da1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-fb29e0695c0a0f79.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e16188b4cf97e8bb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5eb391c8dabdee77.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-b0689b528b222bee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ed072ac495e62e7a.rlib" "-Wl,-Bdynamic" "-lSDL2_gfx" "-lSDL2" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_gfx
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prowst`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "cceeea229c13e0f9ae695c2e833865756f08b181720477c7979149d362df9114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cceeea229c13e0f9ae695c2e833865756f08b181720477c7979149d362df9114", kill_on_drop: false }`
[INFO] [stdout] cceeea229c13e0f9ae695c2e833865756f08b181720477c7979149d362df9114