[INFO] fetching crate pumpkin-solver 0.2.2...
[INFO] testing pumpkin-solver-0.2.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate pumpkin-solver 0.2.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate pumpkin-solver 0.2.2
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate pumpkin-solver 0.2.2
[INFO] tweaked toml for crates.io crate pumpkin-solver 0.2.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pumpkin-solver 0.2.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pumpkin-solver 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] e1191a0beb481f0fe8a6a10466a94975e0242c12ce0e923c9d16926f04373965
[INFO] running `Command { std: "docker" "start" "-a" "e1191a0beb481f0fe8a6a10466a94975e0242c12ce0e923c9d16926f04373965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1191a0beb481f0fe8a6a10466a94975e0242c12ce0e923c9d16926f04373965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1191a0beb481f0fe8a6a10466a94975e0242c12ce0e923c9d16926f04373965", kill_on_drop: false }`
[INFO] [stdout] e1191a0beb481f0fe8a6a10466a94975e0242c12ce0e923c9d16926f04373965
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4babfdb8aacd503e7c9f34ab6fa9363c5ade665ca8ddefe88a047284ac8f105
[INFO] running `Command { std: "docker" "start" "-a" "b4babfdb8aacd503e7c9f34ab6fa9363c5ade665ca8ddefe88a047284ac8f105", kill_on_drop: false }`
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[INFO] [stderr]    Compiling pumpkin-solver v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
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[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.02s
[INFO] running `Command { std: "docker" "inspect" "b4babfdb8aacd503e7c9f34ab6fa9363c5ade665ca8ddefe88a047284ac8f105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4babfdb8aacd503e7c9f34ab6fa9363c5ade665ca8ddefe88a047284ac8f105", kill_on_drop: false }`
[INFO] [stdout] b4babfdb8aacd503e7c9f34ab6fa9363c5ade665ca8ddefe88a047284ac8f105
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00fb38b577fa1213c82e8d7461895927d9b4465668f34ded6dd520b3b650461d
[INFO] running `Command { std: "docker" "start" "-a" "00fb38b577fa1213c82e8d7461895927d9b4465668f34ded6dd520b3b650461d", kill_on_drop: false }`
[INFO] [stderr]    Compiling pumpkin-solver v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `regex`
[INFO] [stdout]  --> tests/helpers/flatzinc.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `regex`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `regex`, use `cargo add regex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `wait_timeout`
[INFO] [stdout]   --> tests/helpers/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use wait_timeout::ChildExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^ use of unresolved module or unlinked crate `wait_timeout`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `wait_timeout`, use `cargo add wait_timeout` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `regex`
[INFO] [stdout]  --> tests/helpers/flatzinc.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `regex`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `regex`, use `cargo add regex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `wait_timeout`
[INFO] [stdout]   --> tests/helpers/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use wait_timeout::ChildExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^ use of unresolved module or unlinked crate `wait_timeout`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `wait_timeout`, use `cargo add wait_timeout` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `pumpkin_macros`
[INFO] [stdout]  --> tests/mzn_constraint_test.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use pumpkin_macros::cumulative;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `pumpkin_macros`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 7 - use pumpkin_macros::cumulative;
[INFO] [stdout] 7 + use pumpkin_core::cumulative;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `pumpkin_macros`
[INFO] [stdout]  --> tests/mzn_constraint_test.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use pumpkin_macros::cumulative_synchronised;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `pumpkin_macros`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]   |
[INFO] [stdout] 8 - use pumpkin_macros::cumulative_synchronised;
[INFO] [stdout] 8 + use pumpkin_core::cumulative_synchronised;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `helpers::check_statistic_equality`
[INFO] [stdout]  --> tests/mzn_constraint_test.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use helpers::check_statistic_equality;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/flatzinc.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             int_captures
[INFO] [stdout]    |             ^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/flatzinc.rs:54:23
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 .map(|integer| integer.parse::<i32>().unwrap())
[INFO] [stdout]    |                       ^^^^^^^  ------- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 .map(|integer: /* Type */| integer.parse::<i32>().unwrap())
[INFO] [stdout]    |                              ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/flatzinc.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             bool_captures
[INFO] [stdout]    |             ^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/flatzinc.rs:72:23
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 .map(|bool| bool.parse::<bool>().unwrap())
[INFO] [stdout]    |                       ^^^^  ---- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 .map(|bool: /* Type */| bool.parse::<bool>().unwrap())
[INFO] [stdout]    |                           ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/flatzinc.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             int_captures
[INFO] [stdout]    |             ^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/flatzinc.rs:54:23
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 .map(|integer| integer.parse::<i32>().unwrap())
[INFO] [stdout]    |                       ^^^^^^^  ------- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 .map(|integer: /* Type */| integer.parse::<i32>().unwrap())
[INFO] [stdout]    |                              ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/flatzinc.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             bool_captures
[INFO] [stdout]    |             ^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/flatzinc.rs:72:23
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 .map(|bool| bool.parse::<bool>().unwrap())
[INFO] [stdout]    |                       ^^^^  ---- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 .map(|bool: /* Type */| bool.parse::<bool>().unwrap())
[INFO] [stdout]    |                           ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `regex`
[INFO] [stdout]  --> tests/helpers/flatzinc.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `regex`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `regex`, use `cargo add regex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `wait_timeout`
[INFO] [stdout]   --> tests/helpers/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use wait_timeout::ChildExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^ use of unresolved module or unlinked crate `wait_timeout`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `wait_timeout`, use `cargo add wait_timeout` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wait_timeout` found for struct `Child` in the current scope
[INFO] [stdout]   --> tests/helpers/mod.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |     match child.wait_timeout(TEST_TIMEOUT) {
[INFO] [stdout]    |                 ^^^^^^^^^^^^ method not found in `Child`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/mod.rs:95:29
[INFO] [stdout]    |
[INFO] [stdout] 95 |         Ok(Some(status)) if status.success() => {}
[INFO] [stdout]    |                             ^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `regex`
[INFO] [stdout]  --> tests/helpers/flatzinc.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `regex`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `regex`, use `cargo add regex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `wait_timeout`
[INFO] [stdout]   --> tests/helpers/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use wait_timeout::ChildExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^ use of unresolved module or unlinked crate `wait_timeout`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `wait_timeout`, use `cargo add wait_timeout` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wait_timeout` found for struct `Child` in the current scope
[INFO] [stdout]   --> tests/helpers/mod.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |     match child.wait_timeout(TEST_TIMEOUT) {
[INFO] [stdout]    |                 ^^^^^^^^^^^^ method not found in `Child`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/mod.rs:95:29
[INFO] [stdout]    |
[INFO] [stdout] 95 |         Ok(Some(status)) if status.success() => {}
[INFO] [stdout]    |                             ^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/flatzinc.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             int_captures
[INFO] [stdout]    |             ^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/flatzinc.rs:54:23
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 .map(|integer| integer.parse::<i32>().unwrap())
[INFO] [stdout]    |                       ^^^^^^^  ------- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 .map(|integer: /* Type */| integer.parse::<i32>().unwrap())
[INFO] [stdout]    |                              ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/flatzinc.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             bool_captures
[INFO] [stdout]    |             ^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/flatzinc.rs:72:23
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 .map(|bool| bool.parse::<bool>().unwrap())
[INFO] [stdout]    |                       ^^^^  ---- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 .map(|bool: /* Type */| bool.parse::<bool>().unwrap())
[INFO] [stdout]    |                           ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/flatzinc.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             int_captures
[INFO] [stdout]    |             ^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/flatzinc.rs:54:23
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 .map(|integer| integer.parse::<i32>().unwrap())
[INFO] [stdout]    |                       ^^^^^^^  ------- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 .map(|integer: /* Type */| integer.parse::<i32>().unwrap())
[INFO] [stdout]    |                              ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/flatzinc.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             bool_captures
[INFO] [stdout]    |             ^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/flatzinc.rs:72:23
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 .map(|bool| bool.parse::<bool>().unwrap())
[INFO] [stdout]    |                       ^^^^  ---- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 .map(|bool: /* Type */| bool.parse::<bool>().unwrap())
[INFO] [stdout]    |                           ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wait_timeout` found for struct `Child` in the current scope
[INFO] [stdout]   --> tests/helpers/mod.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |     match child.wait_timeout(TEST_TIMEOUT) {
[INFO] [stdout]    |                 ^^^^^^^^^^^^ method not found in `Child`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pumpkin-solver` (test "mzn_constraint_test") due to 10 previous errors; 1 warning emitted
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/mod.rs:95:29
[INFO] [stdout]    |
[INFO] [stdout] 95 |         Ok(Some(status)) if status.success() => {}
[INFO] [stdout]    |                             ^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0432]: unresolved import `regex`
[INFO] [stdout]  --> tests/helpers/flatzinc.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `regex`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `regex`, use `cargo add regex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pumpkin-solver` (test "wcnf_test") due to 8 previous errors
[INFO] [stdout] error[E0432]: unresolved import `wait_timeout`
[INFO] [stdout]   --> tests/helpers/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use wait_timeout::ChildExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^ use of unresolved module or unlinked crate `wait_timeout`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `wait_timeout`, use `cargo add wait_timeout` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pumpkin-solver` (test "mzn_optimization_test") due to 8 previous errors
[INFO] [stdout] error[E0432]: unresolved import `regex`
[INFO] [stdout]  --> tests/helpers/flatzinc.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use regex::Regex;
[INFO] [stdout]   |     ^^^^^ use of unresolved module or unlinked crate `regex`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `regex`, use `cargo add regex` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `wait_timeout`
[INFO] [stdout]   --> tests/helpers/mod.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use wait_timeout::ChildExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^ use of unresolved module or unlinked crate `wait_timeout`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `wait_timeout`, use `cargo add wait_timeout` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wait_timeout` found for struct `Child` in the current scope
[INFO] [stdout]   --> tests/helpers/mod.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |     match child.wait_timeout(TEST_TIMEOUT) {
[INFO] [stdout]    |                 ^^^^^^^^^^^^ method not found in `Child`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/mod.rs:95:29
[INFO] [stdout]    |
[INFO] [stdout] 95 |         Ok(Some(status)) if status.success() => {}
[INFO] [stdout]    |                             ^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/flatzinc.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             int_captures
[INFO] [stdout]    |             ^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/flatzinc.rs:54:23
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 .map(|integer| integer.parse::<i32>().unwrap())
[INFO] [stdout]    |                       ^^^^^^^  ------- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 .map(|integer: /* Type */| integer.parse::<i32>().unwrap())
[INFO] [stdout]    |                              ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/flatzinc.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             bool_captures
[INFO] [stdout]    |             ^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/flatzinc.rs:72:23
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 .map(|bool| bool.parse::<bool>().unwrap())
[INFO] [stdout]    |                       ^^^^  ---- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 .map(|bool: /* Type */| bool.parse::<bool>().unwrap())
[INFO] [stdout]    |                           ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/flatzinc.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |             int_captures
[INFO] [stdout]    |             ^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/flatzinc.rs:54:23
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 .map(|integer| integer.parse::<i32>().unwrap())
[INFO] [stdout]    |                       ^^^^^^^  ------- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 .map(|integer: /* Type */| integer.parse::<i32>().unwrap())
[INFO] [stdout]    |                              ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/flatzinc.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             bool_captures
[INFO] [stdout]    |             ^^^^^^^^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/flatzinc.rs:72:23
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 .map(|bool| bool.parse::<bool>().unwrap())
[INFO] [stdout]    |                       ^^^^  ---- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 72 |                 .map(|bool: /* Type */| bool.parse::<bool>().unwrap())
[INFO] [stdout]    |                           ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pumpkin-solver` (test "mzn_infeasible_test") due to 8 previous errors
[INFO] [stdout] error[E0599]: no method named `wait_timeout` found for struct `Child` in the current scope
[INFO] [stdout]   --> tests/helpers/mod.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |     match child.wait_timeout(TEST_TIMEOUT) {
[INFO] [stdout]    |                 ^^^^^^^^^^^^ method not found in `Child`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/mod.rs:95:29
[INFO] [stdout]    |
[INFO] [stdout] 95 |         Ok(Some(status)) if status.success() => {}
[INFO] [stdout]    |                             ^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `wait_timeout` found for struct `Child` in the current scope
[INFO] [stdout]   --> tests/helpers/mod.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |     match child.wait_timeout(TEST_TIMEOUT) {
[INFO] [stdout]    |                 ^^^^^^^^^^^^ method not found in `Child`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> tests/helpers/mod.rs:95:29
[INFO] [stdout]    |
[INFO] [stdout] 95 |         Ok(Some(status)) if status.success() => {}
[INFO] [stdout]    |                             ^^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pumpkin-solver` (test "mzn_search_test") due to 8 previous errors
[INFO] [stdout] Some errors have detailed explanations: E0282, E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pumpkin-solver` (test "cnf_test") due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "00fb38b577fa1213c82e8d7461895927d9b4465668f34ded6dd520b3b650461d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00fb38b577fa1213c82e8d7461895927d9b4465668f34ded6dd520b3b650461d", kill_on_drop: false }`
[INFO] [stdout] 00fb38b577fa1213c82e8d7461895927d9b4465668f34ded6dd520b3b650461d