[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 try#8da20828b6ea601dfd8e2448cb50ace88876bd78 for pr-150933 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flanye74%2Ffour-equals-ten-solver" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/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-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/lanye74/four-equals-ten-solver on toolchain 8da20828b6ea601dfd8e2448cb50ace88876bd78 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "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" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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_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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5c42908e0b1d71eda1776f31686e84379f1e367ac5868556f2e6d99ab9f17c80 [INFO] running `Command { std: "docker" "start" "-a" "5c42908e0b1d71eda1776f31686e84379f1e367ac5868556f2e6d99ab9f17c80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5c42908e0b1d71eda1776f31686e84379f1e367ac5868556f2e6d99ab9f17c80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c42908e0b1d71eda1776f31686e84379f1e367ac5868556f2e6d99ab9f17c80", kill_on_drop: false }` [INFO] [stdout] 5c42908e0b1d71eda1776f31686e84379f1e367ac5868556f2e6d99ab9f17c80 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3ee382c82056079e852540ca9b4d5320006d45329b360d6c0daafc07ca7ea971 [INFO] running `Command { std: "docker" "start" "-a" "3ee382c82056079e852540ca9b4d5320006d45329b360d6c0daafc07ca7ea971", 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 `dev` profile [unoptimized + debuginfo] target(s) in 0.79s [INFO] running `Command { std: "docker" "inspect" "3ee382c82056079e852540ca9b4d5320006d45329b360d6c0daafc07ca7ea971", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3ee382c82056079e852540ca9b4d5320006d45329b360d6c0daafc07ca7ea971", kill_on_drop: false }` [INFO] [stdout] 3ee382c82056079e852540ca9b4d5320006d45329b360d6c0daafc07ca7ea971 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cb767d2d3e71521edd94099f576082b437bc2156659f39fbacf25ce3b5da017b [INFO] running `Command { std: "docker" "start" "-a" "cb767d2d3e71521edd94099f576082b437bc2156659f39fbacf25ce3b5da017b", 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 `test` profile [unoptimized + debuginfo] target(s) in 0.83s [INFO] running `Command { std: "docker" "inspect" "cb767d2d3e71521edd94099f576082b437bc2156659f39fbacf25ce3b5da017b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb767d2d3e71521edd94099f576082b437bc2156659f39fbacf25ce3b5da017b", kill_on_drop: false }` [INFO] [stdout] cb767d2d3e71521edd94099f576082b437bc2156659f39fbacf25ce3b5da017b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8da20828b6ea601dfd8e2448cb50ace88876bd78" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8ae4498dfad4ba4f93d33db9fd5163277ddf5814be1e0266f41d6e37eb7dbe75 [INFO] running `Command { std: "docker" "start" "-a" "8ae4498dfad4ba4f93d33db9fd5163277ddf5814be1e0266f41d6e37eb7dbe75", 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 `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/four_equals_ten-d0ba1d77a0723373) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test solver::evaluator::test_evaluator ... ok [INFO] [stdout] test solver::tokenizer::test_tokenizer ... ok [INFO] [stdout] test solver::brute_forcer::test_brute_forcer ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/four_equals_ten-b7828648cba5a011) [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" "8ae4498dfad4ba4f93d33db9fd5163277ddf5814be1e0266f41d6e37eb7dbe75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ae4498dfad4ba4f93d33db9fd5163277ddf5814be1e0266f41d6e37eb7dbe75", kill_on_drop: false }` [INFO] [stdout] 8ae4498dfad4ba4f93d33db9fd5163277ddf5814be1e0266f41d6e37eb7dbe75