[INFO] cloning repository https://github.com/lanye74/four-equals-ten-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lanye74/four-equals-ten-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flanye74%2Ffour-equals-ten-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flanye74%2Ffour-equals-ten-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2310a57efb6741d796858ce89345c71ceaef8135
[INFO] testing lanye74/four-equals-ten-solver against 1.98.0-beta.8+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flanye74%2Ffour-equals-ten-solver" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lanye74/four-equals-ten-solver
[INFO] finished tweaking git repo https://github.com/lanye74/four-equals-ten-solver
[INFO] tweaked toml for git repo https://github.com/lanye74/four-equals-ten-solver written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lanye74/four-equals-ten-solver on toolchain 1.98.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lanye74/four-equals-ten-solver 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" "+1.98.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1f8cadad32840977cb7c9c8fab61de884c035e33e9865b9fb5ed90817bc2b6b9
[INFO] running `Command { std: "docker" "start" "1f8cadad32840977cb7c9c8fab61de884c035e33e9865b9fb5ed90817bc2b6b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f8cadad32840977cb7c9c8fab61de884c035e33e9865b9fb5ed90817bc2b6b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1f8cadad32840977cb7c9c8fab61de884c035e33e9865b9fb5ed90817bc2b6b9" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f8cadad32840977cb7c9c8fab61de884c035e33e9865b9fb5ed90817bc2b6b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1f8cadad32840977cb7c9c8fab61de884c035e33e9865b9fb5ed90817bc2b6b9" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling four-equals-ten v1.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/solver/operator_permutator.rs:13:30
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(operator_mapper: &OperatorMapper, num_nodes: usize) -> OperatorPermutator {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^                       ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(operator_mapper: &OperatorMapper, num_nodes: usize) -> OperatorPermutator<'_> {
[INFO] [stdout]    |                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "1f8cadad32840977cb7c9c8fab61de884c035e33e9865b9fb5ed90817bc2b6b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1f8cadad32840977cb7c9c8fab61de884c035e33e9865b9fb5ed90817bc2b6b9" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling four-equals-ten v1.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/solver/operator_permutator.rs:13:30
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(operator_mapper: &OperatorMapper, num_nodes: usize) -> OperatorPermutator {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^                       ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(operator_mapper: &OperatorMapper, num_nodes: usize) -> OperatorPermutator<'_> {
[INFO] [stdout]    |                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/solver/operator_permutator.rs:13:30
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(operator_mapper: &OperatorMapper, num_nodes: usize) -> OperatorPermutator {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^                       ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn new(operator_mapper: &OperatorMapper, num_nodes: usize) -> OperatorPermutator<'_> {
[INFO] [stdout]    |                                                                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "1f8cadad32840977cb7c9c8fab61de884c035e33e9865b9fb5ed90817bc2b6b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1f8cadad32840977cb7c9c8fab61de884c035e33e9865b9fb5ed90817bc2b6b9" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/solver/operator_permutator.rs:13:30
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new(operator_mapper: &OperatorMapper, num_nodes: usize) -> OperatorPermutator {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^                       ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                                 |
[INFO] [stderr]    |                                 the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn new(operator_mapper: &OperatorMapper, num_nodes: usize) -> OperatorPermutator<'_> {
[INFO] [stderr]    |                                                                                         ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `four-equals-ten` (lib) generated 1 warning (run `cargo fix --lib -p four-equals-ten` to apply 1 suggestion)
[INFO] [stderr] warning: `four-equals-ten` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/four_equals_ten-4cdf0d688410859a)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test solver::tokenizer::test_tokenizer ... ok
[INFO] [stdout] test solver::brute_forcer::test_brute_forcer ... ok
[INFO] [stdout] test solver::evaluator::test_evaluator ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/four_equals_ten-749ffae0f439032d)
[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 four_equals_ten
[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" "1f8cadad32840977cb7c9c8fab61de884c035e33e9865b9fb5ed90817bc2b6b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f8cadad32840977cb7c9c8fab61de884c035e33e9865b9fb5ed90817bc2b6b9", kill_on_drop: false }`
[INFO] [stdout] 1f8cadad32840977cb7c9c8fab61de884c035e33e9865b9fb5ed90817bc2b6b9
