[INFO] fetching crate snappy_sc 0.1.2... [INFO] checking snappy_sc-0.1.2 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1 [INFO] extracting crate snappy_sc 0.1.2 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate snappy_sc 0.1.2 [INFO] finished tweaking crates.io crate snappy_sc 0.1.2 [INFO] tweaked toml for crates.io crate snappy_sc 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate snappy_sc 0.1.2 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 56 packages to latest compatible versions [INFO] [stderr] Adding image v0.23.14 (available: v0.25.8) [INFO] [stderr] Adding metal v0.24.0 (available: v0.32.0) [INFO] [stderr] Adding webp v0.2.6 (available: v0.3.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded png v0.16.8 [INFO] [stderr] Downloaded image v0.23.14 [INFO] [stderr] Downloaded metal v0.24.0 [INFO] [stderr] Downloaded tiff v0.6.1 [INFO] [stderr] Downloaded webp v0.2.6 [INFO] [stderr] Downloaded libwebp-sys v0.9.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bbcdf72ddb769adc30a5ceb5c9bf857696e35cabe2c638546d3b3a11c745e932 [INFO] running `Command { std: "docker" "start" "-a" "bbcdf72ddb769adc30a5ceb5c9bf857696e35cabe2c638546d3b3a11c745e932", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bbcdf72ddb769adc30a5ceb5c9bf857696e35cabe2c638546d3b3a11c745e932", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bbcdf72ddb769adc30a5ceb5c9bf857696e35cabe2c638546d3b3a11c745e932", kill_on_drop: false }` [INFO] [stdout] bbcdf72ddb769adc30a5ceb5c9bf857696e35cabe2c638546d3b3a11c745e932 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 979b2be4184deacd9e49ddde9a3438ccebabb8937c023edc3f00ca8f5b533e3b [INFO] running `Command { std: "docker" "start" "-a" "979b2be4184deacd9e49ddde9a3438ccebabb8937c023edc3f00ca8f5b533e3b", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Checking adler32 v1.2.0 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Checking bytemuck v1.23.2 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking gif v0.11.4 [INFO] [stderr] Compiling jobserver v0.1.34 [INFO] [stderr] Checking rayon v1.11.0 [INFO] [stderr] Checking deflate v0.8.6 [INFO] [stderr] Checking miniz_oxide v0.3.7 [INFO] [stderr] Compiling cc v1.2.35 [INFO] [stderr] Checking png v0.16.8 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking image v0.24.9 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Compiling libwebp-sys v0.9.6 [INFO] [stderr] Checking jpeg-decoder v0.1.22 [INFO] [stderr] Checking tiff v0.6.1 [INFO] [stderr] Checking image v0.23.14 [INFO] [stderr] Checking webp v0.2.6 [INFO] [stderr] Checking snappy_sc v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:39:56 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn take_screenshot(options: &ScreenshotOptions) -> Result, &'static str> { [INFO] [stdout] | --------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result, &str>`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Result, &'static str>` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:49:38 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn get_focused_display_info() -> Option<(u32, u32, u32)> { [INFO] [stdout] | ------------------------ ^^^^^^^^^^^^^^^^^^^^^^^ expected `Option<(u32, u32, u32)>`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Option<(u32, u32, u32)>` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `snappy_sc` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:39:56 [INFO] [stdout] | [INFO] [stdout] 39 | pub fn take_screenshot(options: &ScreenshotOptions) -> Result, &'static str> { [INFO] [stdout] | --------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `Result, &str>`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Result, &'static str>` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/lib.rs:49:38 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn get_focused_display_info() -> Option<(u32, u32, u32)> { [INFO] [stdout] | ------------------------ ^^^^^^^^^^^^^^^^^^^^^^^ expected `Option<(u32, u32, u32)>`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] | [INFO] [stdout] = note: expected enum `Option<(u32, u32, u32)>` [INFO] [stdout] found unit type `()` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `snappy_sc` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "979b2be4184deacd9e49ddde9a3438ccebabb8937c023edc3f00ca8f5b533e3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "979b2be4184deacd9e49ddde9a3438ccebabb8937c023edc3f00ca8f5b533e3b", kill_on_drop: false }` [INFO] [stdout] 979b2be4184deacd9e49ddde9a3438ccebabb8937c023edc3f00ca8f5b533e3b