[INFO] fetching crate generator-combinator 0.4.0...
[INFO] testing generator-combinator-0.4.0 against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] extracting crate generator-combinator 0.4.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate generator-combinator 0.4.0
[INFO] finished tweaking crates.io crate generator-combinator 0.4.0
[INFO] tweaked toml for crates.io crate generator-combinator 0.4.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate generator-combinator 0.4.0 on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate generator-combinator 0.4.0 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5dc00c51e330750d81723868a218112b0c633659c739d680f21d162190b23250
[INFO] running `Command { std: "docker" "start" "-a" "5dc00c51e330750d81723868a218112b0c633659c739d680f21d162190b23250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dc00c51e330750d81723868a218112b0c633659c739d680f21d162190b23250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dc00c51e330750d81723868a218112b0c633659c739d680f21d162190b23250", kill_on_drop: false }`
[INFO] [stdout] 5dc00c51e330750d81723868a218112b0c633659c739d680f21d162190b23250
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c6824437a1ba0a1f00996ae813ec8b07d7d261fb249fdeeef821748789b7bd5
[INFO] running `Command { std: "docker" "start" "-a" "7c6824437a1ba0a1f00996ae813ec8b07d7d261fb249fdeeef821748789b7bd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling generator-combinator v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/generator.rs:361:25
[INFO] [stdout]     |
[INFO] [stdout] 361 |     pub fn generate_all(&self) -> StringIter {
[INFO] [stdout]     |                         ^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 361 |     pub fn generate_all(&self) -> StringIter<'_> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "7c6824437a1ba0a1f00996ae813ec8b07d7d261fb249fdeeef821748789b7bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c6824437a1ba0a1f00996ae813ec8b07d7d261fb249fdeeef821748789b7bd5", kill_on_drop: false }`
[INFO] [stdout] 7c6824437a1ba0a1f00996ae813ec8b07d7d261fb249fdeeef821748789b7bd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2acd99e0bee5e89309acc7099cbb9a0088e2883ab1e5b9799e90233051e239b8
[INFO] running `Command { std: "docker" "start" "-a" "2acd99e0bee5e89309acc7099cbb9a0088e2883ab1e5b9799e90233051e239b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/generator.rs:361:25
[INFO] [stdout]     |
[INFO] [stdout] 361 |     pub fn generate_all(&self) -> StringIter {
[INFO] [stdout]     |                         ^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 361 |     pub fn generate_all(&self) -> StringIter<'_> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling quickcheck v1.0.3
[INFO] [stderr]    Compiling generator-combinator v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]    --> src/generator.rs:361:25
[INFO] [stdout]     |
[INFO] [stdout] 361 |     pub fn generate_all(&self) -> StringIter {
[INFO] [stdout]     |                         ^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         this lifetime flows to the output
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]     |
[INFO] [stdout] 361 |     pub fn generate_all(&self) -> StringIter<'_> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 19.72s
[INFO] running `Command { std: "docker" "inspect" "2acd99e0bee5e89309acc7099cbb9a0088e2883ab1e5b9799e90233051e239b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2acd99e0bee5e89309acc7099cbb9a0088e2883ab1e5b9799e90233051e239b8", kill_on_drop: false }`
[INFO] [stdout] 2acd99e0bee5e89309acc7099cbb9a0088e2883ab1e5b9799e90233051e239b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a925ff8c102be7107d92f9a2a0351e16f4ccce80a432d01eb936cc644782677f
[INFO] running `Command { std: "docker" "start" "-a" "a925ff8c102be7107d92f9a2a0351e16f4ccce80a432d01eb936cc644782677f", kill_on_drop: false }`
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]    --> src/generator.rs:361:25
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 361 |     pub fn generate_all(&self) -> StringIter {
[INFO] [stdout] running 21 tests
[INFO] [stderr]     |                         ^^^^^     ---------- the lifetime gets resolved as `'_`
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         this lifetime flows to the output
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stderr]     |
[INFO] [stderr] 361 |     pub fn generate_all(&self) -> StringIter<'_> {
[INFO] [stderr]     |                                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `generator-combinator` (lib) generated 1 warning
[INFO] [stderr] warning: `generator-combinator` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/generator_combinator-0eb6c4301c420ab5)
[INFO] [stdout] test generator::tests::combinations_email ... ok
[INFO] [stdout] test generator::tests::combinations_oneof ... ok
[INFO] [stdout] test generator::tests::combinations_optional ... ok
[INFO] [stdout] test generator::tests::equality ... ok
[INFO] [stdout] test generator::tests::combinations_str ... ok
[INFO] [stdout] test generator::tests::combinations_consts ... ok
[INFO] [stdout] test generator::tests::combinations_mn ... ok
[INFO] [stdout] test generator::tests::exceeds_u128 - should panic ... FAILED
[INFO] [stdout] test generator::tests::generate_hex ... ok
[INFO] [stdout] test generator::tests::generate_alpha1 ... ok
[INFO] [stdout] test generator::tests::regex ... ok
[INFO] [stdout] test generator::tests::test_bitor_bitorassign ... ok
[INFO] [stdout] test generator::tests::simplify ... ok
[INFO] [stdout] test generator::tests::lower_limit_0 ... ok
[INFO] [stdout] test generator::tests::oneof_bitorassign_oneof ... ok
[INFO] [stdout] test generator::tests::street_addresses ... ok
[INFO] [stdout] test generator::tests::test_add_addassign ... ok
[INFO] [stdout] test generator::tests::test_visit ... ok
[INFO] [stdout] test generator::tests::test_reduce_optionals ... ok
[INFO] [stdout] test generator::tests::test_transform ... ok
[INFO] [stdout] test generator::tests::test_or_and ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- generator::tests::exceeds_u128 stdout ----
[INFO] [stdout] note: test did not panic as expected at src/generator.rs:1117:8
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     generator::tests::exceeds_u128
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 20 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "a925ff8c102be7107d92f9a2a0351e16f4ccce80a432d01eb936cc644782677f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a925ff8c102be7107d92f9a2a0351e16f4ccce80a432d01eb936cc644782677f", kill_on_drop: false }`
[INFO] [stdout] a925ff8c102be7107d92f9a2a0351e16f4ccce80a432d01eb936cc644782677f
