[INFO] cloning repository https://github.com/LevitatingBusinessMan/ferrimoji
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LevitatingBusinessMan/ferrimoji" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLevitatingBusinessMan%2Fferrimoji", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLevitatingBusinessMan%2Fferrimoji'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 53e6506247bb255ba6b8da79ce5700424043c872
[INFO] testing LevitatingBusinessMan/ferrimoji against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLevitatingBusinessMan%2Fferrimoji" "/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/LevitatingBusinessMan/ferrimoji on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LevitatingBusinessMan/ferrimoji
[INFO] finished tweaking git repo https://github.com/LevitatingBusinessMan/ferrimoji
[INFO] tweaked toml for git repo https://github.com/LevitatingBusinessMan/ferrimoji written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/LevitatingBusinessMan/ferrimoji already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5460e37326b4c0640d425f61a85861b90eededa5cc919efd830ca7bb1c895d16
[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" "5460e37326b4c0640d425f61a85861b90eededa5cc919efd830ca7bb1c895d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5460e37326b4c0640d425f61a85861b90eededa5cc919efd830ca7bb1c895d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5460e37326b4c0640d425f61a85861b90eededa5cc919efd830ca7bb1c895d16", kill_on_drop: false }`
[INFO] [stdout] 5460e37326b4c0640d425f61a85861b90eededa5cc919efd830ca7bb1c895d16
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a18e1630c12d14e081ac2d9c4140afd2ff1cbfeb0787f9b92764707116f5d1e6
[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" "a18e1630c12d14e081ac2d9c4140afd2ff1cbfeb0787f9b92764707116f5d1e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libvips v1.4.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling ferrimoji v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `vips`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let vips = VipsApp::new("Ferrimoji", false)?;
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_vips`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `emoji_length`
[INFO] [stdout]   --> src/main.rs:50:13
[INFO] [stdout]    |
[INFO] [stdout] 50 |         let emoji_length = emoji.get_width(); // this is wrong, should be 36?
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_emoji_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `emoji_length`
[INFO] [stdout]   --> src/main.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let emoji_length = 36;
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_emoji_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         ferris_clone_resized.image_write_to_file("x.png");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[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/ferrimoji-a68a399e9ef81321.ferrimoji.11cd0c9v-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-a68a399e9ef81321.ferrimoji.11cd0c9v-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-a68a399e9ef81321.ferrimoji.11cd0c9v-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-a68a399e9ef81321.ferrimoji.11cd0c9v-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-a68a399e9ef81321.ferrimoji.11cd0c9v-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-a68a399e9ef81321.ferrimoji.11cd0c9v-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-a68a399e9ef81321.ferrimoji.11cd0c9v-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-a68a399e9ef81321.ferrimoji.11cd0c9v-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-a68a399e9ef81321.ferrimoji.11cd0c9v-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-a68a399e9ef81321.ferrimoji.11cd0c9v-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-a68a399e9ef81321.ferrimoji.11cd0c9v-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-a68a399e9ef81321.ferrimoji.11cd0c9v-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-a68a399e9ef81321.ferrimoji.11cd0c9v-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-a68a399e9ef81321.ferrimoji.11cd0c9v-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-a68a399e9ef81321.ferrimoji.11cd0c9v-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-a68a399e9ef81321.ferrimoji.11cd0c9v-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-a68a399e9ef81321.2h2vsrkrscnrgwp9.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libanyhow-3ebe5137cbde116e.rlib" "/opt/rustwide/target/debug/deps/liblibvips-fc63870b97c26591.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-d2f26dc32356e531.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-2420485b9e5ef5e1.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-785e3cb61c4b1960.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-087191a88bdaa22d.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9981842c02975178.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-6fb405869b015fde.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d05c5c3c56004b7b.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-42d74d2097528b38.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-fb36534c113d2209.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-b56b9042c12b6535.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-491902d6cb3e76df.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-61834e0981b8c367.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-f78aa99d613a55bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-53ee54cd7fed2c57.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-544ecdbd6cda3c58.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-379cc252b6943a79.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8063eea38dcc5e62.rlib" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5b228734afae15ee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d6c7a399d95d173f.rlib" "-Wl,-Bdynamic" "-lvips" "-lglib-2.0" "-lgobject-2.0" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.54.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/ferrimoji-a68a399e9ef81321" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lvips
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ferrimoji`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a18e1630c12d14e081ac2d9c4140afd2ff1cbfeb0787f9b92764707116f5d1e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a18e1630c12d14e081ac2d9c4140afd2ff1cbfeb0787f9b92764707116f5d1e6", kill_on_drop: false }`
[INFO] [stdout] a18e1630c12d14e081ac2d9c4140afd2ff1cbfeb0787f9b92764707116f5d1e6
