[INFO] fetching crate generator-combinator 0.4.0...
[INFO] testing generator-combinator-0.4.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate generator-combinator 0.4.0 into /workspace/builds/worker-1-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate generator-combinator 0.4.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_hc v0.3.0
[INFO] [stderr]   Downloaded env_logger v0.8.3
[INFO] [stderr]   Downloaded rand_core v0.6.0
[INFO] [stderr]   Downloaded quickcheck v1.0.3
[INFO] [stderr]   Downloaded rand_chacha v0.3.0
[INFO] [stderr]   Downloaded getrandom v0.2.0
[INFO] [stderr]   Downloaded rand v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db98229e15a33b61017787ecd10feb3176b3ad1bd092b62e9f0a5a9038ddaa3c
[INFO] running `Command { std: "docker" "start" "-a" "db98229e15a33b61017787ecd10feb3176b3ad1bd092b62e9f0a5a9038ddaa3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db98229e15a33b61017787ecd10feb3176b3ad1bd092b62e9f0a5a9038ddaa3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db98229e15a33b61017787ecd10feb3176b3ad1bd092b62e9f0a5a9038ddaa3c", kill_on_drop: false }`
[INFO] [stdout] db98229e15a33b61017787ecd10feb3176b3ad1bd092b62e9f0a5a9038ddaa3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90b02220d35f8eb814214100b76f90717068708d09cb5c5a58e58b26845c4fde
[INFO] running `Command { std: "docker" "start" "-a" "90b02220d35f8eb814214100b76f90717068708d09cb5c5a58e58b26845c4fde", kill_on_drop: false }`
[INFO] [stderr]    Compiling generator-combinator v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/generator.rs:361:25
[INFO] [stdout]     |
[INFO] [stdout] 361 |     pub fn generate_all(&self) -> StringIter {
[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] 361 |     pub fn generate_all(&self) -> StringIter<'_> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "90b02220d35f8eb814214100b76f90717068708d09cb5c5a58e58b26845c4fde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90b02220d35f8eb814214100b76f90717068708d09cb5c5a58e58b26845c4fde", kill_on_drop: false }`
[INFO] [stdout] 90b02220d35f8eb814214100b76f90717068708d09cb5c5a58e58b26845c4fde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b79b9ad6bdb466bb2abb18012069e3fb5795664373f3c9dcdb6180ccecd7190c
[INFO] running `Command { std: "docker" "start" "-a" "b79b9ad6bdb466bb2abb18012069e3fb5795664373f3c9dcdb6180ccecd7190c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/generator.rs:361:25
[INFO] [stdout]     |
[INFO] [stdout] 361 |     pub fn generate_all(&self) -> StringIter {
[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] 361 |     pub fn generate_all(&self) -> StringIter<'_> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling rand v0.8.0
[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: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/generator.rs:361:25
[INFO] [stdout]     |
[INFO] [stdout] 361 |     pub fn generate_all(&self) -> StringIter {
[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] 361 |     pub fn generate_all(&self) -> StringIter<'_> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.02s
[INFO] running `Command { std: "docker" "inspect" "b79b9ad6bdb466bb2abb18012069e3fb5795664373f3c9dcdb6180ccecd7190c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b79b9ad6bdb466bb2abb18012069e3fb5795664373f3c9dcdb6180ccecd7190c", kill_on_drop: false }`
[INFO] [stdout] b79b9ad6bdb466bb2abb18012069e3fb5795664373f3c9dcdb6180ccecd7190c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5d88af177f1474618fa23ae8bb1df6bc9e0576c8b62d0fa6f28edcfb6e23b262
[INFO] running `Command { std: "docker" "start" "-a" "5d88af177f1474618fa23ae8bb1df6bc9e0576c8b62d0fa6f28edcfb6e23b262", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/generator.rs:361:25
[INFO] [stderr]     |
[INFO] [stderr] 361 |     pub fn generate_all(&self) -> StringIter {
[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] 361 |     pub fn generate_all(&self) -> StringIter<'_> {
[INFO] [stderr]     |                                             ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `generator-combinator` (lib) generated 1 warning (run `cargo fix --lib -p generator-combinator` to apply 1 suggestion)
[INFO] [stderr] warning: `generator-combinator` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/generator_combinator-6eb646da34aeee76)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test generator::tests::combinations_consts ... ok
[INFO] [stdout] test generator::tests::combinations_email ... ok
[INFO] [stdout] test generator::tests::combinations_mn ... ok
[INFO] [stdout] test generator::tests::combinations_oneof ... ok
[INFO] [stdout] test generator::tests::generate_alpha1 ... ok
[INFO] [stdout] test generator::tests::lower_limit_0 ... ok
[INFO] [stdout] test generator::tests::simplify ... ok
[INFO] [stdout] test generator::tests::test_add_addassign ... ok
[INFO] [stdout] test generator::tests::regex ... ok
[INFO] [stdout] test generator::tests::combinations_optional ... ok
[INFO] [stdout] test generator::tests::test_bitor_bitorassign ... ok
[INFO] [stdout] test generator::tests::test_reduce_optionals ... ok
[INFO] [stdout] test generator::tests::test_transform ... ok
[INFO] [stdout] test generator::tests::test_visit ... ok
[INFO] [stdout] test generator::tests::generate_hex ... ok
[INFO] [stdout] test generator::tests::oneof_bitorassign_oneof ... ok
[INFO] [stdout] test generator::tests::street_addresses ... ok
[INFO] [stdout] test generator::tests::test_or_and ... ok
[INFO] [stdout] test generator::tests::equality ... ok
[INFO] [stdout] test generator::tests::combinations_str ... ok
[INFO] [stderr]    Doc-tests generator_combinator
[INFO] [stdout] test generator::tests::exceeds_u128 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/generator.rs - generator::Generator (line 643) ... ok
[INFO] [stdout] test src/generator.rs - generator::Generator (line 682) ... ok
[INFO] [stdout] test src/generator.rs - generator::Generator (line 610) ... ok
[INFO] [stdout] test src/generator.rs - generator::Generator (line 23) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/generator.rs - generator::Generator (line 14) ... ok
[INFO] [stdout] test src/lib.rs - (line 45) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5d88af177f1474618fa23ae8bb1df6bc9e0576c8b62d0fa6f28edcfb6e23b262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d88af177f1474618fa23ae8bb1df6bc9e0576c8b62d0fa6f28edcfb6e23b262", kill_on_drop: false }`
[INFO] [stdout] 5d88af177f1474618fa23ae8bb1df6bc9e0576c8b62d0fa6f28edcfb6e23b262