[INFO] fetching crate knarkzel 0.6.0...
[INFO] testing knarkzel-0.6.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate knarkzel 0.6.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate knarkzel 0.6.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 366211acb93746c78ffbc6962d6ca0632a97e6173ef4f72c57849ce011d50322
[INFO] running `Command { std: "docker" "start" "-a" "366211acb93746c78ffbc6962d6ca0632a97e6173ef4f72c57849ce011d50322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "366211acb93746c78ffbc6962d6ca0632a97e6173ef4f72c57849ce011d50322", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "366211acb93746c78ffbc6962d6ca0632a97e6173ef4f72c57849ce011d50322", kill_on_drop: false }`
[INFO] [stdout] 366211acb93746c78ffbc6962d6ca0632a97e6173ef4f72c57849ce011d50322
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01b44c9a406a4180dc2a83fe3b967e8e37043ec10534b24b87d0d500929cdbea
[INFO] running `Command { std: "docker" "start" "-a" "01b44c9a406a4180dc2a83fe3b967e8e37043ec10534b24b87d0d500929cdbea", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling either v1.9.0
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling regex-automata v0.4.3
[INFO] [stderr]    Compiling regex v1.10.2
[INFO] [stderr]    Compiling knarkzel v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.82s
[INFO] running `Command { std: "docker" "inspect" "01b44c9a406a4180dc2a83fe3b967e8e37043ec10534b24b87d0d500929cdbea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01b44c9a406a4180dc2a83fe3b967e8e37043ec10534b24b87d0d500929cdbea", kill_on_drop: false }`
[INFO] [stdout] 01b44c9a406a4180dc2a83fe3b967e8e37043ec10534b24b87d0d500929cdbea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb82785880d3040ea03b13936654bae142dfb59357439ef74965591ccecf7fa5
[INFO] running `Command { std: "docker" "start" "-a" "eb82785880d3040ea03b13936654bae142dfb59357439ef74965591ccecf7fa5", kill_on_drop: false }`
[INFO] [stderr]    Compiling knarkzel v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "eb82785880d3040ea03b13936654bae142dfb59357439ef74965591ccecf7fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb82785880d3040ea03b13936654bae142dfb59357439ef74965591ccecf7fa5", kill_on_drop: false }`
[INFO] [stdout] eb82785880d3040ea03b13936654bae142dfb59357439ef74965591ccecf7fa5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 60157e723da3bb40f9d261c4440382be30a7d513857496d98cd1a0a651e8fcb4
[INFO] running `Command { std: "docker" "start" "-a" "60157e723da3bb40f9d261c4440382be30a7d513857496d98cd1a0a651e8fcb4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/knarkzel-1fdf6c96a908e33b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests knarkzel
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - prelude (line 93) ... FAILED
[INFO] [stdout] test src/lib.rs - prelude (line 75) ... FAILED
[INFO] [stdout] test src/lib.rs - prelude (line 81) ... FAILED
[INFO] [stdout] test src/lib.rs - prelude (line 104) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - prelude (line 93) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Random`
[INFO] [stdout]  --> src/lib.rs:94:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | let mut random = Random::new().with_seed(1234);
[INFO] [stdout]   |                  ^^^^^^ use of undeclared type `Random`
[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 75) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `slurp` in this scope
[INFO] [stdout]  --> src/lib.rs:76:15
[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: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - prelude (line 81) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Regex`
[INFO] [stdout]  --> src/lib.rs:83:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | let regex = Regex::new(r"'([^']+)'\s+\((\d{4})\)")?;
[INFO] [stdout]   |             ^^^^^ use of undeclared type `Regex`
[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: 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 104) stdout ----
[INFO] [stdout] error[E0599]: no method named `collect_vec` found for struct `Map` in the current scope
[INFO] [stdout]  --> src/lib.rs:109:6
[INFO] [stdout]   |
[INFO] [stdout] 4 |   let data = items
[INFO] [stdout]   |  ____________-
[INFO] [stdout] 5 | |     .iter()
[INFO] [stdout] 6 | |     .map(|x| x * 3)
[INFO] [stdout] 7 | |     .collect_vec();
[INFO] [stdout]   | |     -^^^^^^^^^^^ method not found in `Map<Iter<'_, {integer}>, {closure@src/lib.rs:6:10}>`
[INFO] [stdout]   | |_____|
[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 E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - prelude (line 104)
[INFO] [stdout]     src/lib.rs - prelude (line 75)
[INFO] [stdout]     src/lib.rs - prelude (line 81)
[INFO] [stdout]     src/lib.rs - prelude (line 93)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "60157e723da3bb40f9d261c4440382be30a7d513857496d98cd1a0a651e8fcb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60157e723da3bb40f9d261c4440382be30a7d513857496d98cd1a0a651e8fcb4", kill_on_drop: false }`
[INFO] [stdout] 60157e723da3bb40f9d261c4440382be30a7d513857496d98cd1a0a651e8fcb4
