[INFO] crate svpng 0.1.1 is already in cache [INFO] testing svpng-0.1.1 against beta-2020-07-24 for beta-1.46-1 [INFO] extracting crate svpng 0.1.1 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate svpng 0.1.1 on toolchain beta-2020-07-24 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate svpng 0.1.1 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate svpng 0.1.1 [INFO] tweaked toml for crates.io crate svpng 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c5e2946e7de77f9936f01f21282fa19ae94834a1dbb2c49e361e82497fc6f831 [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" "c5e2946e7de77f9936f01f21282fa19ae94834a1dbb2c49e361e82497fc6f831", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c5e2946e7de77f9936f01f21282fa19ae94834a1dbb2c49e361e82497fc6f831", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5e2946e7de77f9936f01f21282fa19ae94834a1dbb2c49e361e82497fc6f831", kill_on_drop: false }` [INFO] [stdout] c5e2946e7de77f9936f01f21282fa19ae94834a1dbb2c49e361e82497fc6f831 [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e196b982bf24c7bf699d0ddb0c48aa0c8f78c898266d360673c7ad8fabeb4344 [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" "e196b982bf24c7bf699d0ddb0c48aa0c8f78c898266d360673c7ad8fabeb4344", kill_on_drop: false }` [INFO] [stderr] Compiling svpng v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.21s [INFO] running `Command { std: "docker" "inspect" "e196b982bf24c7bf699d0ddb0c48aa0c8f78c898266d360673c7ad8fabeb4344", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e196b982bf24c7bf699d0ddb0c48aa0c8f78c898266d360673c7ad8fabeb4344", kill_on_drop: false }` [INFO] [stdout] e196b982bf24c7bf699d0ddb0c48aa0c8f78c898266d360673c7ad8fabeb4344 [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 455c399ab8d8a104b14606ea4dd71582e6170b0e193c141e5e9d2da46a6fdc5d [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" "455c399ab8d8a104b14606ea4dd71582e6170b0e193c141e5e9d2da46a6fdc5d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling svpng v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.10s [INFO] running `Command { std: "docker" "inspect" "455c399ab8d8a104b14606ea4dd71582e6170b0e193c141e5e9d2da46a6fdc5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "455c399ab8d8a104b14606ea4dd71582e6170b0e193c141e5e9d2da46a6fdc5d", kill_on_drop: false }` [INFO] [stdout] 455c399ab8d8a104b14606ea4dd71582e6170b0e193c141e5e9d2da46a6fdc5d [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c291e8d92a0477bf3ac727195c391cacb40600521a867114e5741b922e5a9298 [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" "c291e8d92a0477bf3ac727195c391cacb40600521a867114e5741b922e5a9298", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/svpng-f4cad37a346c962a [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stderr] Doc-tests svpng [INFO] [stdout] test tests::crc32_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - svpng (line 11) ... FAILED [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - svpng (line 11) stdout ---- [INFO] [stdout] error[E0423]: expected function, found crate `svpng` [INFO] [stdout] --> src/lib.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 13 | svpng("rgb.png", 256, 256, &pix, false)?; [INFO] [stdout] | ^^^^^ not a function [INFO] [stdout] | [INFO] [stdout] help: consider importing this function instead [INFO] [stdout] | [INFO] [stdout] 4 | use svpng::svpng; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stdout] --> src/lib.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 4 | / fn main() { [INFO] [stdout] 5 | | let mut pix = Vec::new(); [INFO] [stdout] 6 | | for y in 0..=255 { [INFO] [stdout] 7 | | for x in 0..=255 { [INFO] [stdout] ... | [INFO] [stdout] 13 | | svpng("rgb.png", 256, 256, &pix, false)?; [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | | [INFO] [stdout] | | cannot use the `?` operator in a function that returns `()` [INFO] [stdout] 14 | | } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0423. [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - svpng (line 11) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c291e8d92a0477bf3ac727195c391cacb40600521a867114e5741b922e5a9298", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c291e8d92a0477bf3ac727195c391cacb40600521a867114e5741b922e5a9298", kill_on_drop: false }` [INFO] [stdout] c291e8d92a0477bf3ac727195c391cacb40600521a867114e5741b922e5a9298