[INFO] cloning repository https://github.com/whitf/cavegen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whitf/cavegen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhitf%2Fcavegen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhitf%2Fcavegen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 13e4fc6cd6fffd90b1fe428ba85cb91ff68cd8c7
[INFO] testing whitf/cavegen against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhitf%2Fcavegen" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whitf/cavegen on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/whitf/cavegen
[INFO] finished tweaking git repo https://github.com/whitf/cavegen
[INFO] tweaked toml for git repo https://github.com/whitf/cavegen written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/whitf/cavegen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d3eace27402b4ab509adb2a3ea8deee182ad60fb3d06ce9fcef921e0c0a729f
[INFO] running `Command { std: "docker" "start" "-a" "9d3eace27402b4ab509adb2a3ea8deee182ad60fb3d06ce9fcef921e0c0a729f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d3eace27402b4ab509adb2a3ea8deee182ad60fb3d06ce9fcef921e0c0a729f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d3eace27402b4ab509adb2a3ea8deee182ad60fb3d06ce9fcef921e0c0a729f", kill_on_drop: false }`
[INFO] [stdout] 9d3eace27402b4ab509adb2a3ea8deee182ad60fb3d06ce9fcef921e0c0a729f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e310721e61ba50b9f48587bb7018f87526a2e112b75727638c66668bba16e31f
[INFO] running `Command { std: "docker" "start" "-a" "e310721e61ba50b9f48587bb7018f87526a2e112b75727638c66668bba16e31f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling sdl2 v0.34.1
[INFO] [stderr]    Compiling c_vec v1.3.3
[INFO] [stderr]    Compiling fallible-iterator v0.2.0
[INFO] [stderr]    Compiling fallible-streaming-iterator v0.1.9
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling sdl2-sys v0.34.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.18.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rusqlite v0.23.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_derive v0.5.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling table v0.4.0
[INFO] [stderr]    Compiling uuid v0.8.1
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling cavegen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `serde::Serialize`
[INFO] [stdout]  --> src/cave/event.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use serde::Serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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/cavegen-ddf633421bf1cd3c.cavegen.90ed3067-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/cavegen-ddf633421bf1cd3c.cavegen.90ed3067-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/cavegen-ddf633421bf1cd3c.cavegen.90ed3067-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/cavegen-ddf633421bf1cd3c.cavegen.90ed3067-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/cavegen-ddf633421bf1cd3c.cavegen.90ed3067-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/cavegen-ddf633421bf1cd3c.cavegen.90ed3067-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/cavegen-ddf633421bf1cd3c.cavegen.90ed3067-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/cavegen-ddf633421bf1cd3c.cavegen.90ed3067-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/cavegen-ddf633421bf1cd3c.cavegen.90ed3067-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/cavegen-ddf633421bf1cd3c.cavegen.90ed3067-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/cavegen-ddf633421bf1cd3c.cavegen.90ed3067-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/cavegen-ddf633421bf1cd3c.cavegen.90ed3067-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/cavegen-ddf633421bf1cd3c.cavegen.90ed3067-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/cavegen-ddf633421bf1cd3c.cavegen.90ed3067-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/cavegen-ddf633421bf1cd3c.cavegen.90ed3067-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/cavegen-ddf633421bf1cd3c.cavegen.90ed3067-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/cavegen-ddf633421bf1cd3c.c46n8j1gbrrf3uo.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libtoml-c01008a1c248ce4a.rlib" "/opt/rustwide/target/debug/deps/librusqlite-b27168bb661e9bae.rlib" "/opt/rustwide/target/debug/deps/libtime-da81e80381c8f3dd.rlib" "/opt/rustwide/target/debug/deps/libsmallvec-532193962d17b113.rlib" "/opt/rustwide/target/debug/deps/libfallible_streaming_iterator-7d16295a58f926c0.rlib" "/opt/rustwide/target/debug/deps/libfallible_iterator-286c6888a24a80e1.rlib" "/opt/rustwide/target/debug/deps/liblru_cache-c9000365dcaf671e.rlib" "/opt/rustwide/target/debug/deps/liblinked_hash_map-f6e8ac2175e8400d.rlib" "/opt/rustwide/target/debug/deps/liblibsqlite3_sys-c69c140ff9eef817.rlib" "/opt/rustwide/target/debug/deps/libuuid-fa0b88ea93bf98a2.rlib" "/opt/rustwide/target/debug/deps/librand-2c5df2cbfa0f3e0b.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-e562e7662610ca94.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-c78691db1e7711de.rlib" "/opt/rustwide/target/debug/deps/librand_core-b2e94269c62416a8.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-9e0f535fe892f296.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-4dc40f94662accb2.rlib" "/opt/rustwide/target/debug/deps/libserde-d55734d980c3b361.rlib" "/opt/rustwide/target/debug/deps/libsdl2-0edf9256dbc3c2fd.rlib" "/opt/rustwide/target/debug/deps/libc_vec-26c07a6a252610a3.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-7652213f132950ad.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-df981c5871754530.rlib" "/opt/rustwide/target/debug/deps/libclap-fff73d8281dad37f.rlib" "/opt/rustwide/target/debug/deps/libvec_map-5f104c2ee05f26e6.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-bad3d17484b64b1a.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-1d2bdd05e197c9de.rlib" "/opt/rustwide/target/debug/deps/libstrsim-0fc606efc91e3789.rlib" "/opt/rustwide/target/debug/deps/libbitflags-117d41ac256572da.rlib" "/opt/rustwide/target/debug/deps/libatty-47eb69f2ddf311b9.rlib" "/opt/rustwide/target/debug/deps/liblibc-cb5a6ee520ca4d07.rlib" "/opt/rustwide/target/debug/deps/libansi_term-329dab68dba20daf.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-008055cc7d873802.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-06f01ac2578bda94.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-f9a3c3274a1835e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d4cbb754ee9f4daa.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-95c14e1c1e3ebcc4.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d489f0ca872880cc.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-75f07df0b18fea39.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-0c35b278736219a2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-e530649c9a06e3c6.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-6b148909d375a785.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-cd15fa647f4775d1.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74be3a703f788ba2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8f2c5b445c28b2e3.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-8480e85e0be96197.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-ac23a75f6f42004e.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-557ba8776e04d182.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-4beb03d03503c439.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-dd7db1bec6909f24.rlib" "-Wl,-Bdynamic" "-lsqlite3" "-lSDL2" "-lSDL2_mixer" "-lSDL2_image" "-lSDL2_ttf" "-lSDL2_gfx" "-lutil" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/cavegen-ddf633421bf1cd3c" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lSDL2_mixer
[INFO] [stdout]           /usr/bin/ld: cannot find -lSDL2_image
[INFO] [stdout]           /usr/bin/ld: cannot find -lSDL2_ttf
[INFO] [stdout]           /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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cavegen` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e310721e61ba50b9f48587bb7018f87526a2e112b75727638c66668bba16e31f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e310721e61ba50b9f48587bb7018f87526a2e112b75727638c66668bba16e31f", kill_on_drop: false }`
[INFO] [stdout] e310721e61ba50b9f48587bb7018f87526a2e112b75727638c66668bba16e31f