[INFO] fetching crate knarkzel 0.6.0... [INFO] testing knarkzel-0.6.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate knarkzel 0.6.0 into /workspace/builds/worker-42/source [INFO] validating manifest of crates.io crate knarkzel 0.6.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate knarkzel 0.6.0 [INFO] finished tweaking crates.io crate knarkzel 0.6.0 [INFO] tweaked toml for crates.io crate knarkzel 0.6.0 written to /workspace/builds/worker-42/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f40db821c1d527e40818dad1f94f0b2d6985fdd9911b37d0e7a4ed6c85917d38 [INFO] running `Command { std: "docker" "start" "-a" "f40db821c1d527e40818dad1f94f0b2d6985fdd9911b37d0e7a4ed6c85917d38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f40db821c1d527e40818dad1f94f0b2d6985fdd9911b37d0e7a4ed6c85917d38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f40db821c1d527e40818dad1f94f0b2d6985fdd9911b37d0e7a4ed6c85917d38", kill_on_drop: false }` [INFO] [stdout] f40db821c1d527e40818dad1f94f0b2d6985fdd9911b37d0e7a4ed6c85917d38 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c0019c832a0b6b8305fd65ea730d074ecb73a43142b7df2b289d5f7fc96ae1bb [INFO] running `Command { std: "docker" "start" "-a" "c0019c832a0b6b8305fd65ea730d074ecb73a43142b7df2b289d5f7fc96ae1bb", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling libc v0.2.101 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling itertools v0.10.1 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling knarkzel v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.45s [INFO] running `Command { std: "docker" "inspect" "c0019c832a0b6b8305fd65ea730d074ecb73a43142b7df2b289d5f7fc96ae1bb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0019c832a0b6b8305fd65ea730d074ecb73a43142b7df2b289d5f7fc96ae1bb", kill_on_drop: false }` [INFO] [stdout] c0019c832a0b6b8305fd65ea730d074ecb73a43142b7df2b289d5f7fc96ae1bb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 14eed32f0e6bcc9bd2571cb6291e517eacc1191029010e19b97cca8a7b46340a [INFO] running `Command { std: "docker" "start" "-a" "14eed32f0e6bcc9bd2571cb6291e517eacc1191029010e19b97cca8a7b46340a", kill_on_drop: false }` [INFO] [stderr] Compiling knarkzel v0.6.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.92s [INFO] running `Command { std: "docker" "inspect" "14eed32f0e6bcc9bd2571cb6291e517eacc1191029010e19b97cca8a7b46340a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "14eed32f0e6bcc9bd2571cb6291e517eacc1191029010e19b97cca8a7b46340a", kill_on_drop: false }` [INFO] [stdout] 14eed32f0e6bcc9bd2571cb6291e517eacc1191029010e19b97cca8a7b46340a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 57e19ba80ffac8464b100f7b4ad73d01908620702f5cdc354b6cd8c29139607e [INFO] running `Command { std: "docker" "start" "-a" "57e19ba80ffac8464b100f7b4ad73d01908620702f5cdc354b6cd8c29139607e", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/knarkzel-7851d5342c87ae86) [INFO] [stdout] [INFO] [stderr] Doc-tests knarkzel [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/lib.rs - prelude (line 96) ... FAILED [INFO] [stdout] test src/lib.rs - prelude (line 76) ... FAILED [INFO] [stdout] test src/lib.rs - prelude (line 83) ... FAILED [INFO] [stdout] test src/lib.rs - prelude (line 108) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - prelude (line 96) stdout ---- [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Random` [INFO] [stdout] --> src/lib.rs:97:18 [INFO] [stdout] | [INFO] [stdout] 3 | let mut random = Random::new().with_seed(1234); [INFO] [stdout] | ^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this struct [INFO] [stdout] | [INFO] [stdout] 2 | use knarkzel::prelude::Random; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0433`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - prelude (line 76) stdout ---- [INFO] [stdout] error[E0425]: cannot find function `slurp` in this scope [INFO] [stdout] --> src/lib.rs:77:15 [INFO] [stdout] | [INFO] [stdout] 3 | let columns = slurp("mock.csv")?; [INFO] [stdout] | ^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing this function [INFO] [stdout] | [INFO] [stdout] 2 | use knarkzel::slurp; [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 `FromResidual`) [INFO] [stdout] --> src/lib.rs:77:32 [INFO] [stdout] | [INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_76_0() { [INFO] [stdout] | ______________________________________- [INFO] [stdout] 3 | | let columns = slurp("mock.csv")?; [INFO] [stdout] | | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] 4 | | } _doctest_main_src_lib_rs_76_0() } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual<_>` is not implemented for `()` [INFO] [stdout] note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0425. [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - prelude (line 83) stdout ---- [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Regex` [INFO] [stdout] --> src/lib.rs:85:13 [INFO] [stdout] | [INFO] [stdout] 4 | let regex = Regex::new(r"'([^']+)'\s+\((\d{4})\)")?; [INFO] [stdout] | ^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these items [INFO] [stdout] | [INFO] [stdout] 2 | use knarkzel::prelude::Regex; [INFO] [stdout] | [INFO] [stdout] 2 | use regex::Regex; [INFO] [stdout] | [INFO] [stdout] 2 | use regex::bytes::Regex; [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 `FromResidual`) [INFO] [stdout] --> src/lib.rs:85:51 [INFO] [stdout] | [INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_83_0() { [INFO] [stdout] | ______________________________________- [INFO] [stdout] 3 | | let text = "Not my favorite movie: 'Citizen Kane' (1941)."; [INFO] [stdout] 4 | | let regex = Regex::new(r"'([^']+)'\s+\((\d{4})\)")?; [INFO] [stdout] | | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] 5 | | let captures = regex.captures(text)?; [INFO] [stdout] ... | [INFO] [stdout] 9 | | assert_eq!(&captures[2], "1941"); [INFO] [stdout] 10 | | } _doctest_main_src_lib_rs_83_0() } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual<_>` is not implemented for `()` [INFO] [stdout] note: required by `from_residual` [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 `FromResidual`) [INFO] [stdout] --> src/lib.rs:86:36 [INFO] [stdout] | [INFO] [stdout] 2 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_83_0() { [INFO] [stdout] | ______________________________________- [INFO] [stdout] 3 | | let text = "Not my favorite movie: 'Citizen Kane' (1941)."; [INFO] [stdout] 4 | | let regex = Regex::new(r"'([^']+)'\s+\((\d{4})\)")?; [INFO] [stdout] 5 | | let captures = regex.captures(text)?; [INFO] [stdout] | | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] ... | [INFO] [stdout] 9 | | assert_eq!(&captures[2], "1941"); [INFO] [stdout] 10 | | } _doctest_main_src_lib_rs_83_0() } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `FromResidual<_>` is not implemented for `()` [INFO] [stdout] note: required by `from_residual` [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0433. [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - prelude (line 108) stdout ---- [INFO] [stdout] error[E0599]: no method named `collect_vec` found for struct `Map` in the current scope [INFO] [stdout] --> src/lib.rs:113:6 [INFO] [stdout] | [INFO] [stdout] 7 | .collect_vec(); [INFO] [stdout] | ^^^^^^^^^^^ method not found in `Map, [closure@src/lib.rs:6:10: 6:19]>` [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - prelude (line 108) [INFO] [stdout] src/lib.rs - prelude (line 76) [INFO] [stdout] src/lib.rs - prelude (line 83) [INFO] [stdout] src/lib.rs - prelude (line 96) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.37s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "57e19ba80ffac8464b100f7b4ad73d01908620702f5cdc354b6cd8c29139607e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57e19ba80ffac8464b100f7b4ad73d01908620702f5cdc354b6cd8c29139607e", kill_on_drop: false }` [INFO] [stdout] 57e19ba80ffac8464b100f7b4ad73d01908620702f5cdc354b6cd8c29139607e