[INFO] cloning repository https://github.com/zgotts/rendrr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zgotts/rendrr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzgotts%2Frendrr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzgotts%2Frendrr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 31367f4332c8e6b566bcaee42c74cd6242eefe1c
[INFO] testing zgotts/rendrr against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzgotts%2Frendrr" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zgotts/rendrr on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zgotts/rendrr
[INFO] finished tweaking git repo https://github.com/zgotts/rendrr
[INFO] tweaked toml for git repo https://github.com/zgotts/rendrr written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/zgotts/rendrr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14c693e775f963c8e7582a7ecf79c00b3d6d86e0e3108d3318c3ca36ad69649b
[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" "14c693e775f963c8e7582a7ecf79c00b3d6d86e0e3108d3318c3ca36ad69649b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14c693e775f963c8e7582a7ecf79c00b3d6d86e0e3108d3318c3ca36ad69649b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14c693e775f963c8e7582a7ecf79c00b3d6d86e0e3108d3318c3ca36ad69649b", kill_on_drop: false }`
[INFO] [stdout] 14c693e775f963c8e7582a7ecf79c00b3d6d86e0e3108d3318c3ca36ad69649b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--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] 2840895cee67acca90131fcbc871e9770d4ee6701ed9811eb5b85fdfac63a772
[INFO] running `Command { std: "docker" "start" "-a" "2840895cee67acca90131fcbc871e9770d4ee6701ed9811eb5b85fdfac63a772", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.4
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling getopts v0.2.18
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]    Compiling rendrr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/css.rs:130:16
[INFO] [stdout]     |
[INFO] [stdout] 130 |             '0'...'9' => self.parse_length(),
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/css.rs:158:16
[INFO] [stdout]     |
[INFO] [stdout] 158 |             '0'...'9' | '.' => true,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/css.rs:286:12
[INFO] [stdout]     |
[INFO] [stdout] 286 |         'a'...'z' | 'A'...'Z' | '0'...'9' | '-' | '_' => true,
[INFO] [stdout]     |            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/css.rs:286:24
[INFO] [stdout]     |
[INFO] [stdout] 286 |         'a'...'z' | 'A'...'Z' | '0'...'9' | '-' | '_' => true,
[INFO] [stdout]     |                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/css.rs:286:36
[INFO] [stdout]     |
[INFO] [stdout] 286 |         'a'...'z' | 'A'...'Z' | '0'...'9' | '-' | '_' => true,
[INFO] [stdout]     |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/html.rs:65:16
[INFO] [stdout]    |
[INFO] [stdout] 65 |             'a'...'z' | 'A'...'Z' | '0'...'9' => true,
[INFO] [stdout]    |                ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/html.rs:65:28
[INFO] [stdout]    |
[INFO] [stdout] 65 |             'a'...'z' | 'A'...'Z' | '0'...'9' => true,
[INFO] [stdout]    |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]   --> src/html.rs:65:40
[INFO] [stdout]    |
[INFO] [stdout] 65 |             'a'...'z' | 'A'...'Z' | '0'...'9' => true,
[INFO] [stdout]    |                                        ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/layout.rs:301:32
[INFO] [stdout]     |
[INFO] [stdout] 301 |                 if let Keyword(mut font_name) = font_style {
[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] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/painting.rs:37:35
[INFO] [stdout]    |
[INFO] [stdout] 37 |             if let Value::Keyword(mut font_name) = font_style {
[INFO] [stdout]    |                                   ----^^^^^^^^^
[INFO] [stdout]    |                                   |
[INFO] [stdout]    |                                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `FONT_STYLE`
[INFO] [stdout]   --> src/text.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | static FONT_STYLE: sdl2::ttf::FontStyle = sdl2::ttf::STYLE_BOLD;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[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/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rendrr-3640a0498fe4915c.rendrr.7402gysx-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rendrr-3640a0498fe4915c.rendrr.7402gysx-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rendrr-3640a0498fe4915c.rendrr.7402gysx-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rendrr-3640a0498fe4915c.rendrr.7402gysx-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rendrr-3640a0498fe4915c.rendrr.7402gysx-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rendrr-3640a0498fe4915c.rendrr.7402gysx-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rendrr-3640a0498fe4915c.rendrr.7402gysx-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rendrr-3640a0498fe4915c.rendrr.7402gysx-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rendrr-3640a0498fe4915c.rendrr.7402gysx-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rendrr-3640a0498fe4915c.rendrr.7402gysx-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rendrr-3640a0498fe4915c.rendrr.7402gysx-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rendrr-3640a0498fe4915c.rendrr.7402gysx-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rendrr-3640a0498fe4915c.rendrr.7402gysx-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rendrr-3640a0498fe4915c.rendrr.7402gysx-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rendrr-3640a0498fe4915c.rendrr.7402gysx-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rendrr-3640a0498fe4915c.rendrr.7402gysx-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rendrr-3640a0498fe4915c" "/opt/rustwide/target/debug/deps/rendrr-3640a0498fe4915c.mckr3bww0ecq2ta.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libgetopts-fa489f6f5a205eb3.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-a9a20247601aeda8.rlib" "/opt/rustwide/target/debug/deps/libsdl2-33cb016be45558d1.rlib" "/opt/rustwide/target/debug/deps/librand-7fa231814c2b29da.rlib" "/opt/rustwide/target/debug/deps/librand-eed0288f3e13c0d8.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-0f59c7ae49e5a8eb.rlib" "/opt/rustwide/target/debug/deps/libbitflags-2660c594cf04f3b5.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-9850e1ed257f46c2.rlib" "/opt/rustwide/target/debug/deps/liblibc-c35dc2c2514abcfb.rlib" "/opt/rustwide/target/debug/deps/libnum-e44023779056f692.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-e9b3054e706deb72.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-cc16c99432042bc1.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-3d94a07947d9623b.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e12de7683a34c500.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-446a53c2e468675f.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-86fef9fb252a2d33.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-3bed9bfd30304751.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0e38eeb474a7b386.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-a846ed547b824740.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-c9540f0a4fb9265d.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7d2ca66c92c356eb.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-147e2c808f949493.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-bd2a4369506670e9.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74bfdd0ce7d0ed48.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6777f47f1c491841.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b104f1790174f2be.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-db37898996f45c13.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-25b7435131fc4938.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9d4b6f3c097e876e.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-3f953ad652ab829a.rlib" "-Wl,-Bdynamic" "-lSDL2_ttf" "-lSDL2" "-lutil" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[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; 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rendrr`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "2840895cee67acca90131fcbc871e9770d4ee6701ed9811eb5b85fdfac63a772", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2840895cee67acca90131fcbc871e9770d4ee6701ed9811eb5b85fdfac63a772", kill_on_drop: false }`
[INFO] [stdout] 2840895cee67acca90131fcbc871e9770d4ee6701ed9811eb5b85fdfac63a772