[INFO] cloning repository https://github.com/mhintz/platform
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mhintz/platform" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhintz%2Fplatform", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhintz%2Fplatform'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8edf833244bc94e5b106c7175e14d87cc0aa3d69
[INFO] testing mhintz/platform against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmhintz%2Fplatform" "/workspace/builds/worker-83/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-83/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mhintz/platform 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/mhintz/platform
[INFO] finished tweaking git repo https://github.com/mhintz/platform
[INFO] tweaked toml for git repo https://github.com/mhintz/platform written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] crate git repo https://github.com/mhintz/platform 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] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] 5e4133601990a119cf530736e1b58f9c5cfd948f458a7534316ef731b07a2e3b
[INFO] running `Command { std: "docker" "start" "-a" "5e4133601990a119cf530736e1b58f9c5cfd948f458a7534316ef731b07a2e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e4133601990a119cf530736e1b58f9c5cfd948f458a7534316ef731b07a2e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e4133601990a119cf530736e1b58f9c5cfd948f458a7534316ef731b07a2e3b", kill_on_drop: false }`
[INFO] [stdout] 5e4133601990a119cf530736e1b58f9c5cfd948f458a7534316ef731b07a2e3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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] 3f4e74c8e33cf3228a2a2676a2575ecb1799aa56cead081be73d85f965828a26
[INFO] running `Command { std: "docker" "start" "-a" "3f4e74c8e33cf3228a2a2676a2575ecb1799aa56cead081be73d85f965828a26", kill_on_drop: false }`
[INFO] [stderr] error: multiple packages link to native library `SDL2`, but a native library can be linked only once
[INFO] [stderr] 
[INFO] [stderr] package `sdl2-sys v0.7.0`
[INFO] [stderr]     ... which is depended on by `sdl2 v0.12.1`
[INFO] [stderr]     ... which is depended on by `gfx_window_sdl2 v0.2.0`
[INFO] [stderr]     ... which is depended on by `platform v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] links to native library `SDL2`
[INFO] [stderr] 
[INFO] [stderr] package `sdl2-sys v0.30.0`
[INFO] [stderr]     ... which is depended on by `sdl2 v0.30.0`
[INFO] [stderr]     ... which is depended on by `platform v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `SDL2`
[INFO] running `Command { std: "docker" "inspect" "3f4e74c8e33cf3228a2a2676a2575ecb1799aa56cead081be73d85f965828a26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f4e74c8e33cf3228a2a2676a2575ecb1799aa56cead081be73d85f965828a26", kill_on_drop: false }`
[INFO] [stdout] 3f4e74c8e33cf3228a2a2676a2575ecb1799aa56cead081be73d85f965828a26