[INFO] fetching crate ryb_game 0.2.24...
[INFO] testing ryb_game-0.2.24 against 1.54.0 for beta-1.55-1
[INFO] extracting crate ryb_game 0.2.24 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ryb_game 0.2.24 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 crates.io crate ryb_game 0.2.24
[INFO] finished tweaking crates.io crate ryb_game 0.2.24
[INFO] tweaked toml for crates.io crate ryb_game 0.2.24 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 374dd146de133dab4a8f1c60f334babdcf386e0d59c3b9fc0317bc178b9994e1
[INFO] running `Command { std: "docker" "start" "-a" "374dd146de133dab4a8f1c60f334babdcf386e0d59c3b9fc0317bc178b9994e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "374dd146de133dab4a8f1c60f334babdcf386e0d59c3b9fc0317bc178b9994e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "374dd146de133dab4a8f1c60f334babdcf386e0d59c3b9fc0317bc178b9994e1", kill_on_drop: false }`
[INFO] [stdout] 374dd146de133dab4a8f1c60f334babdcf386e0d59c3b9fc0317bc178b9994e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 89cbb59dc0374f33abd37502e6588c9264b8754a471245e98fab3fe60a43d4ff
[INFO] running `Command { std: "docker" "start" "-a" "89cbb59dc0374f33abd37502e6588c9264b8754a471245e98fab3fe60a43d4ff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling siphasher v0.2.3
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[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling pistoncore-window v0.26.2
[INFO] [stderr]    Compiling pistoncore-event_loop v0.31.4
[INFO] [stderr]    Compiling piston v0.31.4
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[INFO] [stderr]    Compiling piston-gfx_texture v0.22.1
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[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.42.1
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[INFO] [stderr]    Compiling dlib v0.3.1
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[INFO] [stderr]    Compiling wayland-kbd v0.6.3
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[INFO] [stderr]    Compiling pistoncore-glutin_window v0.35.1
[INFO] [stderr]    Compiling piston_window v0.64.0
[INFO] [stderr]    Compiling ryb_game v0.2.24 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `alloc_system`
[INFO] [stdout]  --> src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate alloc_system;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ryb_game`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "89cbb59dc0374f33abd37502e6588c9264b8754a471245e98fab3fe60a43d4ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89cbb59dc0374f33abd37502e6588c9264b8754a471245e98fab3fe60a43d4ff", kill_on_drop: false }`
[INFO] [stdout] 89cbb59dc0374f33abd37502e6588c9264b8754a471245e98fab3fe60a43d4ff
