[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] 3ffc85d1d9a83b95842dc52c0490c4df1203d808
[INFO] testing ImpleLee/c4w against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FImpleLee%2Fc4w" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ImpleLee/c4w on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0/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-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 231c927e3682345c09a0e28d435f7f6730ac853194186ae1fe1743a99407a2cd
[INFO] running `Command { std: "docker" "start" "-a" "231c927e3682345c09a0e28d435f7f6730ac853194186ae1fe1743a99407a2cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "231c927e3682345c09a0e28d435f7f6730ac853194186ae1fe1743a99407a2cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "231c927e3682345c09a0e28d435f7f6730ac853194186ae1fe1743a99407a2cd", kill_on_drop: false }`
[INFO] [stdout] 231c927e3682345c09a0e28d435f7f6730ac853194186ae1fe1743a99407a2cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8a0553d40ce81a4b2768e82fac2971d33e9c5ce22702e5a39be5c76a3212db49
[INFO] running `Command { std: "docker" "start" "-a" "8a0553d40ce81a4b2768e82fac2971d33e9c5ce22702e5a39be5c76a3212db49", kill_on_drop: false }`
[INFO] [stderr]    Compiling float-ord v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling gcd v2.1.0
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling easy-cast v0.4.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling average v0.13.1
[INFO] [stderr]    Compiling dashmap v5.2.0
[INFO] [stderr]    Compiling serde v1.0.136
[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: field is never read: `states`
[INFO] [stdout]   --> src/minimizer/mod.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 18 |   states: T,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state2num`
[INFO] [stdout]   --> src/minimizer/mod.rs:19:3
[INFO] [stdout]    |
[INFO] [stdout] 19 |   state2num: Vec<usize>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 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:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use printer::*;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `values`
[INFO] [stdout]   --> src/main.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 |   let values = evaluator.get_values();
[INFO] [stdout]    |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `states`
[INFO] [stdout]   --> src/minimizer/mod.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 18 |   states: T,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state2num`
[INFO] [stdout]   --> src/minimizer/mod.rs:19:3
[INFO] [stdout]    |
[INFO] [stdout] 19 |   state2num: Vec<usize>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]   --> src/states/mod.rs:73:10
[INFO] [stdout]    |
[INFO] [stdout] 73 |   pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.77s
[INFO] running `Command { std: "docker" "inspect" "8a0553d40ce81a4b2768e82fac2971d33e9c5ce22702e5a39be5c76a3212db49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a0553d40ce81a4b2768e82fac2971d33e9c5ce22702e5a39be5c76a3212db49", kill_on_drop: false }`
[INFO] [stdout] 8a0553d40ce81a4b2768e82fac2971d33e9c5ce22702e5a39be5c76a3212db49
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8810d9994f1e8263f686910e0cd4e1d9f1eb982c7efdfd4cfd882736153333f1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8810d9994f1e8263f686910e0cd4e1d9f1eb982c7efdfd4cfd882736153333f1", 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: field is never read: `states`
[INFO] [stdout]   --> src/minimizer/mod.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 18 |   states: T,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state2num`
[INFO] [stdout]   --> src/minimizer/mod.rs:19:3
[INFO] [stdout]    |
[INFO] [stdout] 19 |   state2num: Vec<usize>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 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:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use printer::*;
[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 variable: `values`
[INFO] [stdout]   --> src/main.rs:33:7
[INFO] [stdout]    |
[INFO] [stdout] 33 |   let values = evaluator.get_values();
[INFO] [stdout]    |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `states`
[INFO] [stdout]   --> src/minimizer/mod.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 18 |   states: T,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state2num`
[INFO] [stdout]   --> src/minimizer/mod.rs:19:3
[INFO] [stdout]    |
[INFO] [stdout] 19 |   state2num: Vec<usize>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `states`
[INFO] [stdout]   --> src/minimizer/mod.rs:18:3
[INFO] [stdout]    |
[INFO] [stdout] 18 |   states: T,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state2num`
[INFO] [stdout]   --> src/minimizer/mod.rs:19:3
[INFO] [stdout]    |
[INFO] [stdout] 19 |   state2num: Vec<usize>,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_empty`
[INFO] [stdout]   --> src/states/mod.rs:73:10
[INFO] [stdout]    |
[INFO] [stdout] 73 |   pub fn is_empty(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.46s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/c4w-e956080c2c638eaf)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/c4w-fef5c772d6099f8a)
[INFO] [stderr]   Executable unittests src/bin/rs_builder.rs (/opt/rustwide/target/debug/deps/rs_builder-df819cb351dccf6c)
[INFO] running `Command { std: "docker" "inspect" "8810d9994f1e8263f686910e0cd4e1d9f1eb982c7efdfd4cfd882736153333f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8810d9994f1e8263f686910e0cd4e1d9f1eb982c7efdfd4cfd882736153333f1", kill_on_drop: false }`
[INFO] [stdout] 8810d9994f1e8263f686910e0cd4e1d9f1eb982c7efdfd4cfd882736153333f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a86ecb124d6a6a6df51cfea5d2528764b9865fed7997b3fe45f5f8a7bfcf021b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a86ecb124d6a6a6df51cfea5d2528764b9865fed7997b3fe45f5f8a7bfcf021b", 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: field is never read: `states`
[INFO] [stderr]   --> src/minimizer/mod.rs:18:3
[INFO] [stderr]    |
[INFO] [stderr] 18 |   states: T,
[INFO] [stderr]    |   ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `state2num`
[INFO] [stderr]   --> src/minimizer/mod.rs:19:3
[INFO] [stderr]    |
[INFO] [stderr] 19 |   state2num: Vec<usize>,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `c4w` (lib) generated 7 warnings
[INFO] [stderr] warning: `c4w` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr] warning: unused import: `printer::*`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use printer::*;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `values`
[INFO] [stderr]   --> src/main.rs:33:7
[INFO] [stderr]    |
[INFO] [stderr] 33 |   let values = evaluator.get_values();
[INFO] [stderr]    |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_values`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_empty`
[INFO] [stderr]   --> src/states/mod.rs:73:10
[INFO] [stderr]    |
[INFO] [stderr] 73 |   pub fn is_empty(&self) -> bool {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `c4w` (bin "c4w" test) generated 10 warnings (7 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/c4w-e956080c2c638eaf)
[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] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/c4w-fef5c772d6099f8a)
[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-df819cb351dccf6c)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests c4w
[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] running `Command { std: "docker" "inspect" "a86ecb124d6a6a6df51cfea5d2528764b9865fed7997b3fe45f5f8a7bfcf021b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a86ecb124d6a6a6df51cfea5d2528764b9865fed7997b3fe45f5f8a7bfcf021b", kill_on_drop: false }`
[INFO] [stdout] a86ecb124d6a6a6df51cfea5d2528764b9865fed7997b3fe45f5f8a7bfcf021b