[INFO] fetching crate icy_sixel 0.1.3...
[INFO] checking icy_sixel-0.1.3 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate icy_sixel 0.1.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate icy_sixel 0.1.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate icy_sixel 0.1.3
[INFO] tweaked toml for crates.io crate icy_sixel 0.1.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate icy_sixel 0.1.3 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate icy_sixel 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1ddcae1cc5317547e09a69ecde2d669939063602b900c52e81c137be2430016
[INFO] running `Command { std: "docker" "start" "-a" "e1ddcae1cc5317547e09a69ecde2d669939063602b900c52e81c137be2430016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1ddcae1cc5317547e09a69ecde2d669939063602b900c52e81c137be2430016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ddcae1cc5317547e09a69ecde2d669939063602b900c52e81c137be2430016", kill_on_drop: false }`
[INFO] [stdout] e1ddcae1cc5317547e09a69ecde2d669939063602b900c52e81c137be2430016
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef48738d378da1a438d0be7a4937e748ed287b34e28573369e8ff36c0aa9b64d
[INFO] running `Command { std: "docker" "start" "-a" "ef48738d378da1a438d0be7a4937e748ed287b34e28573369e8ff36c0aa9b64d", kill_on_drop: false }`
[INFO] [stderr]     Checking simd-adler32 v0.3.7
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking byteorder-lite v0.1.0
[INFO] [stderr]     Checking bytemuck v1.20.0
[INFO] [stderr]     Checking icy_sixel v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking crc32fast v1.4.2
[INFO] [stderr]     Checking miniz_oxide v0.8.2
[INFO] [stderr]     Checking fdeflate v0.3.7
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking flate2 v1.0.35
[INFO] [stderr]     Checking png v0.17.16
[INFO] [stderr]     Checking image v0.25.5
[INFO] [stdout] error[E0601]: `main` function not found in crate `_shared`
[INFO] [stdout]   --> examples/_shared.rs:44:2
[INFO] [stdout]    |
[INFO] [stdout] 44 | }
[INFO] [stdout]    |  ^ consider adding a `main` function to `examples/_shared.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `icy_sixel` (example "_shared") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ef48738d378da1a438d0be7a4937e748ed287b34e28573369e8ff36c0aa9b64d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef48738d378da1a438d0be7a4937e748ed287b34e28573369e8ff36c0aa9b64d", kill_on_drop: false }`
[INFO] [stdout] ef48738d378da1a438d0be7a4937e748ed287b34e28573369e8ff36c0aa9b64d