[INFO] fetching crate glfw 0.41.0...
[INFO] testing glfw-0.41.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate glfw 0.41.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate glfw 0.41.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate glfw 0.41.0
[INFO] finished tweaking crates.io crate glfw 0.41.0
[INFO] tweaked toml for crates.io crate glfw 0.41.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate glfw 0.41.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cmake v0.1.44
[INFO] [stderr]   Downloaded weezl v0.1.2
[INFO] [stderr]   Downloaded image v0.23.11
[INFO] [stderr]   Downloaded vk-sys v0.4.0
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5adc7654c7ab64574b1c0cd7ae5b8e0c2d2ff77daad2635a6064b4d612322755
[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" "5adc7654c7ab64574b1c0cd7ae5b8e0c2d2ff77daad2635a6064b4d612322755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5adc7654c7ab64574b1c0cd7ae5b8e0c2d2ff77daad2635a6064b4d612322755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5adc7654c7ab64574b1c0cd7ae5b8e0c2d2ff77daad2635a6064b4d612322755", kill_on_drop: false }`
[INFO] [stdout] 5adc7654c7ab64574b1c0cd7ae5b8e0c2d2ff77daad2635a6064b4d612322755
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b015ab899b92bf58a99961193ec0f9e03ecd899940e55ca396d4b27be919b42e
[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" "b015ab899b92bf58a99961193ec0f9e03ecd899940e55ca396d4b27be919b42e", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.62
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling glfw-sys v3.3.2
[INFO] [stderr]    Compiling glfw v0.41.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.55s
[INFO] running `Command { std: "docker" "inspect" "b015ab899b92bf58a99961193ec0f9e03ecd899940e55ca396d4b27be919b42e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b015ab899b92bf58a99961193ec0f9e03ecd899940e55ca396d4b27be919b42e", kill_on_drop: false }`
[INFO] [stdout] b015ab899b92bf58a99961193ec0f9e03ecd899940e55ca396d4b27be919b42e
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 045e625a139f24fe356f4957759e63d4b9a9a0a0c82f0d0884eea95387e212a4
[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" "045e625a139f24fe356f4957759e63d4b9a9a0a0c82f0d0884eea95387e212a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling weezl v0.1.2
[INFO] [stderr]    Compiling vk-sys v0.4.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling gif v0.11.1
[INFO] [stderr]    Compiling tiff v0.6.0
[INFO] [stderr]    Compiling image v0.23.11
[INFO] [stderr]    Compiling glfw v0.41.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `cursor_icon`
[INFO] [stdout]   --> examples/cursor_icon.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / #![cfg(feature = "image")]
[INFO] [stdout] 16 | |
[INFO] [stdout] 17 | | extern crate glfw;
[INFO] [stdout] 18 | | extern crate image;
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |     }
[INFO] [stdout] 58 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function to `examples/cursor_icon.rs`
[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 E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `glfw`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0601]: `main` function not found in crate `window_icon`
[INFO] [stdout]   --> examples/window_icon.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / #![cfg(feature = "image")]
[INFO] [stdout] 16 | |
[INFO] [stdout] 17 | | extern crate glfw;
[INFO] [stdout] 18 | | extern crate image;
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |     }
[INFO] [stdout] 58 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function to `examples/window_icon.rs`
[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 E0601`.
[INFO] [stdout] 
[INFO] [stdout] error[E0601]: `main` function not found in crate `vulkan`
[INFO] [stdout]    --> examples/vulkan.rs:15:1
[INFO] [stdout]     |
[INFO] [stdout] 15  | / #![cfg(feature = "vulkan")]
[INFO] [stdout] 16  | |
[INFO] [stdout] 17  | | extern crate glfw;
[INFO] [stdout] 18  | | extern crate vk_sys;
[INFO] [stdout] ...   |
[INFO] [stdout] 101 | |     instance_ptrs.DestroyInstance(instance, ptr::null());
[INFO] [stdout] 102 | | }
[INFO] [stdout]     | |_^ consider adding a `main` function to `examples/vulkan.rs`
[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 E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "045e625a139f24fe356f4957759e63d4b9a9a0a0c82f0d0884eea95387e212a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "045e625a139f24fe356f4957759e63d4b9a9a0a0c82f0d0884eea95387e212a4", kill_on_drop: false }`
[INFO] [stdout] 045e625a139f24fe356f4957759e63d4b9a9a0a0c82f0d0884eea95387e212a4