[INFO] fetching crate knarkzel 0.6.0...
[INFO] testing knarkzel-0.6.0 against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] extracting crate knarkzel 0.6.0 into /workspace/builds/worker-4-tc1/source
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate knarkzel 0.6.0 on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "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" "+1ef7943ee607160a564655b6596f83670ef95df5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding getrandom v0.2.16 (available: v0.3.4)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d792a5a19e04e37be3c4e62f6e7e97e216db0ea63ba0485edd26389ffc74548
[INFO] running `Command { std: "docker" "start" "-a" "0d792a5a19e04e37be3c4e62f6e7e97e216db0ea63ba0485edd26389ffc74548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d792a5a19e04e37be3c4e62f6e7e97e216db0ea63ba0485edd26389ffc74548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d792a5a19e04e37be3c4e62f6e7e97e216db0ea63ba0485edd26389ffc74548", kill_on_drop: false }`
[INFO] [stdout] 0d792a5a19e04e37be3c4e62f6e7e97e216db0ea63ba0485edd26389ffc74548
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a4034008838853e7835a67c73c304280df354935b409127796bc4a6201d1dfb
[INFO] running `Command { std: "docker" "start" "-a" "7a4034008838853e7835a67c73c304280df354935b409127796bc4a6201d1dfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling knarkzel v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.30s
[INFO] running `Command { std: "docker" "inspect" "7a4034008838853e7835a67c73c304280df354935b409127796bc4a6201d1dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a4034008838853e7835a67c73c304280df354935b409127796bc4a6201d1dfb", kill_on_drop: false }`
[INFO] [stdout] 7a4034008838853e7835a67c73c304280df354935b409127796bc4a6201d1dfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 726ac43c48901a418701ccf2dd04bc3b17b0f862f57fab81a218c3fadb154aa3
[INFO] running `Command { std: "docker" "start" "-a" "726ac43c48901a418701ccf2dd04bc3b17b0f862f57fab81a218c3fadb154aa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling knarkzel v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "726ac43c48901a418701ccf2dd04bc3b17b0f862f57fab81a218c3fadb154aa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "726ac43c48901a418701ccf2dd04bc3b17b0f862f57fab81a218c3fadb154aa3", kill_on_drop: false }`
[INFO] [stdout] 726ac43c48901a418701ccf2dd04bc3b17b0f862f57fab81a218c3fadb154aa3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e3faaed6475eae993d7ec5232ce5ad702d4ed923d2f518fcaa8a241bb1ab8730
[INFO] running `Command { std: "docker" "start" "-a" "e3faaed6475eae993d7ec5232ce5ad702d4ed923d2f518fcaa8a241bb1ab8730", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/knarkzel-b1259a3e55ad3555)
[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 75) ... FAILED
[INFO] [stdout] test src/lib.rs - prelude (line 93) ... 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 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 1 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 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 1 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 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 structs
[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 1 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<I, F>` 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]   | |_____-^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: there is a method `collect` with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 7 -     .collect_vec();
[INFO] [stdout] 7 +     .collect();
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 0.09s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "e3faaed6475eae993d7ec5232ce5ad702d4ed923d2f518fcaa8a241bb1ab8730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3faaed6475eae993d7ec5232ce5ad702d4ed923d2f518fcaa8a241bb1ab8730", kill_on_drop: false }`
[INFO] [stdout] e3faaed6475eae993d7ec5232ce5ad702d4ed923d2f518fcaa8a241bb1ab8730
