[INFO] cloning repository https://github.com/ImpleLee/c4w
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ImpleLee/c4w" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImpleLee%2Fc4w", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImpleLee%2Fc4w'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7406194ab8bccc66c090585b3580fa24c1ddf236
[INFO] testing ImpleLee/c4w against beta-2022-09-25 for beta-1.65-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImpleLee%2Fc4w" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ImpleLee/c4w on toolchain beta-2022-09-25
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-09-25" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/ImpleLee/c4w
[INFO] finished tweaking git repo https://github.com/ImpleLee/c4w
[INFO] tweaked toml for git repo https://github.com/ImpleLee/c4w written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ImpleLee/c4w already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-09-25" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-09-25" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 034df234f536a209b0c22a5fdf77a012351b45ef3a3e52ed4a276dc13c60906a
[INFO] running `Command { std: "docker" "start" "-a" "034df234f536a209b0c22a5fdf77a012351b45ef3a3e52ed4a276dc13c60906a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "034df234f536a209b0c22a5fdf77a012351b45ef3a3e52ed4a276dc13c60906a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "034df234f536a209b0c22a5fdf77a012351b45ef3a3e52ed4a276dc13c60906a", kill_on_drop: false }`
[INFO] [stdout] 034df234f536a209b0c22a5fdf77a012351b45ef3a3e52ed4a276dc13c60906a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-09-25" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9825467adc2246649b3654fc708924ba6e7a06bafc09e60a8ab22a99a1f18832
[INFO] running `Command { std: "docker" "start" "-a" "9825467adc2246649b3654fc708924ba6e7a06bafc09e60a8ab22a99a1f18832", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]    Compiling once_cell v1.14.0
[INFO] [stderr]    Compiling libm v0.2.5
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling smallvec v1.9.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling paste v1.0.9
[INFO] [stderr]    Compiling float-ord v0.3.2
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling hopcroft-karp v0.2.1
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling gcd v2.1.0
[INFO] [stderr]    Compiling easy-cast v0.4.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling average v0.13.1
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling dashmap v5.4.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling c4w v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `StateProxy`
[INFO] [stdout]  --> src/printer/mod.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::states::{StateProxy, States};
[INFO] [stdout]   |                     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `average::Mean`
[INFO] [stdout]  --> src/printer/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use average::Mean;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/printer/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ordered_float::NotNan`
[INFO] [stdout]  --> src/printer/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ordered_float::NotNan;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude::*`
[INFO] [stdout]  --> src/printer/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `states`
[INFO] [stdout]   --> src/states/random_states.rs:58:24
[INFO] [stdout]    |
[INFO] [stdout] 58 |   fn next_pieces(self, states: &'s Self::RealStates) -> Self::BranchIter {
[INFO] [stdout]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_states`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StateProxy`
[INFO] [stdout]  --> src/printer/mod.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::states::{StateProxy, States};
[INFO] [stdout]   |                     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `average::Mean`
[INFO] [stdout]  --> src/printer/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use average::Mean;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/printer/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ordered_float::NotNan`
[INFO] [stdout]  --> src/printer/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ordered_float::NotNan;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude::*`
[INFO] [stdout]  --> src/printer/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `printer::*`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use printer::*;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `states`
[INFO] [stdout]   --> src/pruner/plain.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |   fn prune(states: MappedStates<T>) -> ConcreteMappedStates<T> {
[INFO] [stdout]    |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_states`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `states`
[INFO] [stdout]   --> src/states/random_states.rs:58:24
[INFO] [stdout]    |
[INFO] [stdout] 58 |   fn next_pieces(self, states: &'s Self::RealStates) -> Self::BranchIter {
[INFO] [stdout]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_states`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `values`
[INFO] [stdout]   --> src/main.rs:50:7
[INFO] [stdout]    |
[INFO] [stdout] 50 |   let values = evaluator.get_values();
[INFO] [stdout]    |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `compose` is never used
[INFO] [stdout]   --> src/states/mapped_states.rs:54:10
[INFO] [stdout]    |
[INFO] [stdout] 54 |   pub fn compose(mut self) -> MappedStates<T> {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.34s
[INFO] running `Command { std: "docker" "inspect" "9825467adc2246649b3654fc708924ba6e7a06bafc09e60a8ab22a99a1f18832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9825467adc2246649b3654fc708924ba6e7a06bafc09e60a8ab22a99a1f18832", kill_on_drop: false }`
[INFO] [stdout] 9825467adc2246649b3654fc708924ba6e7a06bafc09e60a8ab22a99a1f18832
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-09-25" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bc56504c3d082b997ffae3cb74db856eba69efc380500871c86b7f0eb085789
[INFO] running `Command { std: "docker" "start" "-a" "3bc56504c3d082b997ffae3cb74db856eba69efc380500871c86b7f0eb085789", kill_on_drop: false }`
[INFO] [stderr]    Compiling c4w v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `StateProxy`
[INFO] [stdout]  --> src/printer/mod.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::states::{StateProxy, States};
[INFO] [stdout]   |                     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `average::Mean`
[INFO] [stdout]  --> src/printer/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use average::Mean;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/printer/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ordered_float::NotNan`
[INFO] [stdout]  --> src/printer/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ordered_float::NotNan;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude::*`
[INFO] [stdout]  --> src/printer/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `states`
[INFO] [stdout]   --> src/states/random_states.rs:58:24
[INFO] [stdout]    |
[INFO] [stdout] 58 |   fn next_pieces(self, states: &'s Self::RealStates) -> Self::BranchIter {
[INFO] [stdout]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_states`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StateProxy`
[INFO] [stdout]  --> src/printer/mod.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::states::{StateProxy, States};
[INFO] [stdout]   |                     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `average::Mean`
[INFO] [stdout]  --> src/printer/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use average::Mean;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/printer/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ordered_float::NotNan`
[INFO] [stdout]  --> src/printer/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ordered_float::NotNan;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude::*`
[INFO] [stdout]  --> src/printer/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `StateProxy`
[INFO] [stdout]  --> src/printer/mod.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::states::{StateProxy, States};
[INFO] [stdout]   |                     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `average::Mean`
[INFO] [stdout]  --> src/printer/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use average::Mean;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `itertools::Itertools`
[INFO] [stdout]  --> src/printer/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use itertools::Itertools;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ordered_float::NotNan`
[INFO] [stdout]  --> src/printer/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use ordered_float::NotNan;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude::*`
[INFO] [stdout]  --> src/printer/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use rayon::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `printer::*`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use printer::*;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `states`
[INFO] [stdout]   --> src/states/random_states.rs:58:24
[INFO] [stdout]    |
[INFO] [stdout] 58 |   fn next_pieces(self, states: &'s Self::RealStates) -> Self::BranchIter {
[INFO] [stdout]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_states`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `states`
[INFO] [stdout]   --> src/pruner/plain.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |   fn prune(states: MappedStates<T>) -> ConcreteMappedStates<T> {
[INFO] [stdout]    |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_states`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `states`
[INFO] [stdout]   --> src/states/random_states.rs:58:24
[INFO] [stdout]    |
[INFO] [stdout] 58 |   fn next_pieces(self, states: &'s Self::RealStates) -> Self::BranchIter {
[INFO] [stdout]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_states`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `values`
[INFO] [stdout]   --> src/main.rs:50:7
[INFO] [stdout]    |
[INFO] [stdout] 50 |   let values = evaluator.get_values();
[INFO] [stdout]    |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `compose` is never used
[INFO] [stdout]   --> src/states/mapped_states.rs:54:10
[INFO] [stdout]    |
[INFO] [stdout] 54 |   pub fn compose(mut self) -> MappedStates<T> {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "3bc56504c3d082b997ffae3cb74db856eba69efc380500871c86b7f0eb085789", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bc56504c3d082b997ffae3cb74db856eba69efc380500871c86b7f0eb085789", kill_on_drop: false }`
[INFO] [stdout] 3bc56504c3d082b997ffae3cb74db856eba69efc380500871c86b7f0eb085789
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-09-25" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 692f2c7238e523219a7e42df9ad8218ae8987be6c2fcec7788e404fc0f8fa0e1
[INFO] running `Command { std: "docker" "start" "-a" "692f2c7238e523219a7e42df9ad8218ae8987be6c2fcec7788e404fc0f8fa0e1", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `StateProxy`
[INFO] [stderr]  --> src/printer/mod.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::states::{StateProxy, States};
[INFO] [stderr]   |                     ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `average::Mean`
[INFO] [stderr]  --> src/printer/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use average::Mean;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `itertools::Itertools`
[INFO] [stderr]  --> src/printer/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use itertools::Itertools;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ordered_float::NotNan`
[INFO] [stderr]  --> src/printer/mod.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use ordered_float::NotNan;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rayon::prelude::*`
[INFO] [stderr]  --> src/printer/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use rayon::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `states`
[INFO] [stderr]   --> src/states/random_states.rs:58:24
[INFO] [stderr]    |
[INFO] [stderr] 58 |   fn next_pieces(self, states: &'s Self::RealStates) -> Self::BranchIter {
[INFO] [stderr]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_states`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `c4w` (lib) generated 6 warnings
[INFO] [stderr] warning: `c4w` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr] warning: unused import: `printer::*`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use printer::*;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `states`
[INFO] [stderr]   --> src/pruner/plain.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |   fn prune(states: MappedStates<T>) -> ConcreteMappedStates<T> {
[INFO] [stderr]    |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_states`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `states`
[INFO] [stderr]   --> src/states/random_states.rs:58:24
[INFO] [stderr]    |
[INFO] [stderr] 58 |   fn next_pieces(self, states: &'s Self::RealStates) -> Self::BranchIter {
[INFO] [stderr]    |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_states`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `values`
[INFO] [stderr]   --> src/main.rs:50:7
[INFO] [stderr]    |
[INFO] [stderr] 50 |   let values = evaluator.get_values();
[INFO] [stderr]    |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `compose` is never used
[INFO] [stderr]   --> src/states/mapped_states.rs:54:10
[INFO] [stderr]    |
[INFO] [stderr] 54 |   pub fn compose(mut self) -> MappedStates<T> {
[INFO] [stderr]    |          ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `c4w` (bin "c4w" test) generated 10 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/c4w-28c46262d5d6c9ec)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/c4w-28e777a78f84fa3b)
[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] [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]      Running unittests src/bin/rs_builder.rs (/opt/rustwide/target/debug/deps/rs_builder-b0064867e4875f7c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests c4w
[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] [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] running `Command { std: "docker" "inspect" "692f2c7238e523219a7e42df9ad8218ae8987be6c2fcec7788e404fc0f8fa0e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "692f2c7238e523219a7e42df9ad8218ae8987be6c2fcec7788e404fc0f8fa0e1", kill_on_drop: false }`
[INFO] [stdout] 692f2c7238e523219a7e42df9ad8218ae8987be6c2fcec7788e404fc0f8fa0e1