[INFO] fetching crate svpng 0.1.1... [INFO] testing svpng-0.1.1 against beta-2021-01-01 for beta-1.50-1 [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-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 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-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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" "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] dd68130dcbe61df9282438bd42bff82105be4b5bb59f7f5e1b24f82d05abab53 [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" "dd68130dcbe61df9282438bd42bff82105be4b5bb59f7f5e1b24f82d05abab53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dd68130dcbe61df9282438bd42bff82105be4b5bb59f7f5e1b24f82d05abab53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd68130dcbe61df9282438bd42bff82105be4b5bb59f7f5e1b24f82d05abab53", kill_on_drop: false }` [INFO] [stdout] dd68130dcbe61df9282438bd42bff82105be4b5bb59f7f5e1b24f82d05abab53 [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] cc83914640b42c7bcb8fb91f9c855cf5414c24282f3f4f0a774627a6575657fa [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" "cc83914640b42c7bcb8fb91f9c855cf5414c24282f3f4f0a774627a6575657fa", kill_on_drop: false }` [INFO] [stderr] Compiling svpng v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.30s [INFO] running `Command { std: "docker" "inspect" "cc83914640b42c7bcb8fb91f9c855cf5414c24282f3f4f0a774627a6575657fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cc83914640b42c7bcb8fb91f9c855cf5414c24282f3f4f0a774627a6575657fa", kill_on_drop: false }` [INFO] [stdout] cc83914640b42c7bcb8fb91f9c855cf5414c24282f3f4f0a774627a6575657fa [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] 591032a21cae5a2d2ef46ebec1d5b306e648a2761da9031d43df732754779153 [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" "591032a21cae5a2d2ef46ebec1d5b306e648a2761da9031d43df732754779153", kill_on_drop: false }` [INFO] [stderr] Compiling svpng v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.09s [INFO] running `Command { std: "docker" "inspect" "591032a21cae5a2d2ef46ebec1d5b306e648a2761da9031d43df732754779153", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "591032a21cae5a2d2ef46ebec1d5b306e648a2761da9031d43df732754779153", kill_on_drop: false }` [INFO] [stdout] 591032a21cae5a2d2ef46ebec1d5b306e648a2761da9031d43df732754779153 [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", kill_on_drop: false }` [INFO] [stdout] 31a036df2ffb1d5bce2ae8bbbad215088563ef5461d5d4fda3a13a987c56e5c7 [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" "31a036df2ffb1d5bce2ae8bbbad215088563ef5461d5d4fda3a13a987c56e5c7", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/svpng-5e463720934d6086 [INFO] [stdout] [INFO] [stderr] Doc-tests svpng [INFO] [stdout] running 1 test [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; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - svpng (line 11) ... FAILED [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 `Try`) [INFO] [stdout] --> src/lib.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_11_0() { [INFO] [stdout] | ______________________________________- [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 | | }; _doctest_main_src_lib_rs_11_0() } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Try` is not implemented for `()` [INFO] [stdout] = note: required by `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; finished in 0.34s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "31a036df2ffb1d5bce2ae8bbbad215088563ef5461d5d4fda3a13a987c56e5c7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31a036df2ffb1d5bce2ae8bbbad215088563ef5461d5d4fda3a13a987c56e5c7", kill_on_drop: false }` [INFO] [stdout] 31a036df2ffb1d5bce2ae8bbbad215088563ef5461d5d4fda3a13a987c56e5c7