[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 master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLevitatingBusinessMan%2Fferrimoji" "/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/LevitatingBusinessMan/ferrimoji on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-9/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 784bf69fcb3245b4cf5bdbc18424bc4da467012b584237d6ee07e731ae6e7728
[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" "784bf69fcb3245b4cf5bdbc18424bc4da467012b584237d6ee07e731ae6e7728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "784bf69fcb3245b4cf5bdbc18424bc4da467012b584237d6ee07e731ae6e7728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "784bf69fcb3245b4cf5bdbc18424bc4da467012b584237d6ee07e731ae6e7728", kill_on_drop: false }`
[INFO] [stdout] 784bf69fcb3245b4cf5bdbc18424bc4da467012b584237d6ee07e731ae6e7728
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be0d1a136bace7da213db6852cbaf4553744c354ad781fdbb3f7704f121897f0
[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" "be0d1a136bace7da213db6852cbaf4553744c354ad781fdbb3f7704f121897f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling libvips v1.4.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[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-c3a6faceaf6353de.ferrimoji.9b0885b4-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-c3a6faceaf6353de.ferrimoji.9b0885b4-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-c3a6faceaf6353de.ferrimoji.9b0885b4-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-c3a6faceaf6353de.ferrimoji.9b0885b4-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-c3a6faceaf6353de.ferrimoji.9b0885b4-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-c3a6faceaf6353de.ferrimoji.9b0885b4-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-c3a6faceaf6353de.ferrimoji.9b0885b4-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-c3a6faceaf6353de.ferrimoji.9b0885b4-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-c3a6faceaf6353de.ferrimoji.9b0885b4-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-c3a6faceaf6353de.ferrimoji.9b0885b4-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-c3a6faceaf6353de.ferrimoji.9b0885b4-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-c3a6faceaf6353de.ferrimoji.9b0885b4-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-c3a6faceaf6353de.ferrimoji.9b0885b4-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-c3a6faceaf6353de.ferrimoji.9b0885b4-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-c3a6faceaf6353de.ferrimoji.9b0885b4-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-c3a6faceaf6353de.ferrimoji.9b0885b4-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/ferrimoji-c3a6faceaf6353de.46pvi58uw9oxur91.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libanyhow-cecfca1474748564.rlib" "/opt/rustwide/target/debug/deps/liblibvips-7b9a9bc28f947b42.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-819abb75827096f3.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-37fdd654777c296f.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-d883bf2137e9181a.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-22ab8f3db88b586e.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-0167c9242d0931d5.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-361790a1a5505fc5.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-01c2ffe1ecd05a67.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-ec79e29a889fe805.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-001a3456e8a8331b.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-e8f1404290f0f040.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-76f46d0f23360a60.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-baf0bdc5eb131895.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3a6a4ee6592d9370.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-1cc90d9dd57195f8.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0e91863ffbec5148.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-69528f2eac185ac9.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-52d5241975807511.rlib" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9924c22ae1efcf66.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-d1241f7bd234a268.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/432e145bd5a974c5b6f4dd9b352891bd7502b69d/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/ferrimoji-c3a6faceaf6353de" "-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" "be0d1a136bace7da213db6852cbaf4553744c354ad781fdbb3f7704f121897f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be0d1a136bace7da213db6852cbaf4553744c354ad781fdbb3f7704f121897f0", kill_on_drop: false }`
[INFO] [stdout] be0d1a136bace7da213db6852cbaf4553744c354ad781fdbb3f7704f121897f0