[INFO] fetching crate stream_generator 0.1.0...
[INFO] testing stream_generator-0.1.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate stream_generator 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate stream_generator 0.1.0
[INFO] finished tweaking crates.io crate stream_generator 0.1.0
[INFO] tweaked toml for crates.io crate stream_generator 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stream_generator 0.1.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 19 packages to latest compatible versions
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.52.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41e3d68009738cd4fe8acc0ba1a0dcc9253c8ead2b3e1854f0dc3b6376efc5c1
[INFO] running `Command { std: "docker" "start" "-a" "41e3d68009738cd4fe8acc0ba1a0dcc9253c8ead2b3e1854f0dc3b6376efc5c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41e3d68009738cd4fe8acc0ba1a0dcc9253c8ead2b3e1854f0dc3b6376efc5c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41e3d68009738cd4fe8acc0ba1a0dcc9253c8ead2b3e1854f0dc3b6376efc5c1", kill_on_drop: false }`
[INFO] [stdout] 41e3d68009738cd4fe8acc0ba1a0dcc9253c8ead2b3e1854f0dc3b6376efc5c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de5d2974cf643aa58ed34992281a9914e78cd07587330ac001324fa7e26b113b
[INFO] running `Command { std: "docker" "start" "-a" "de5d2974cf643aa58ed34992281a9914e78cd07587330ac001324fa7e26b113b", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling futures-io v0.3.32
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]    Compiling futures-task v0.3.32
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling stream_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `Command { std: "docker" "inspect" "de5d2974cf643aa58ed34992281a9914e78cd07587330ac001324fa7e26b113b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de5d2974cf643aa58ed34992281a9914e78cd07587330ac001324fa7e26b113b", kill_on_drop: false }`
[INFO] [stdout] de5d2974cf643aa58ed34992281a9914e78cd07587330ac001324fa7e26b113b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09872f33c1cda7a62b05e838f24b8d8f329cb0ce1096dcef3135cf5a95cb7a12
[INFO] running `Command { std: "docker" "start" "-a" "09872f33c1cda7a62b05e838f24b8d8f329cb0ce1096dcef3135cf5a95cb7a12", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling stream_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/tests.rs:111:55
[INFO] [stdout]     |
[INFO] [stdout] 111 |         fn stream<'a>(&'a self) -> impl Stream<Item = &str> + 'a {
[INFO] [stdout]     |                        --                             ^^^^    -- the same lifetime is named here
[INFO] [stdout]     |                        |                              |
[INFO] [stdout]     |                        the lifetime is named here     the same 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: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 111 |         fn stream<'a>(&'a self) -> impl Stream<Item = &'a str> + 'a {
[INFO] [stdout]     |                                                        ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.74s
[INFO] running `Command { std: "docker" "inspect" "09872f33c1cda7a62b05e838f24b8d8f329cb0ce1096dcef3135cf5a95cb7a12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09872f33c1cda7a62b05e838f24b8d8f329cb0ce1096dcef3135cf5a95cb7a12", kill_on_drop: false }`
[INFO] [stdout] 09872f33c1cda7a62b05e838f24b8d8f329cb0ce1096dcef3135cf5a95cb7a12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 176cc4b6f7ad6cc0966efd2dde401fa7f8c50d590c4a5bf9feb1f68f8c4eabd5
[INFO] running `Command { std: "docker" "start" "-a" "176cc4b6f7ad6cc0966efd2dde401fa7f8c50d590c4a5bf9feb1f68f8c4eabd5", kill_on_drop: false }`
[INFO] [stderr] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stderr]    --> src/tests.rs:111:55
[INFO] [stderr]     |
[INFO] [stderr] 111 |         fn stream<'a>(&'a self) -> impl Stream<Item = &str> + 'a {
[INFO] [stderr]     |                        --                             ^^^^    -- the same lifetime is named here
[INFO] [stderr]     |                        |                              |
[INFO] [stderr]     |                        the lifetime is named here     the same 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: consistently use `'a`
[INFO] [stderr]     |
[INFO] [stderr] 111 |         fn stream<'a>(&'a self) -> impl Stream<Item = &'a str> + 'a {
[INFO] [stderr]     |                                                        ++
[INFO] [stderr] 
[INFO] [stderr] warning: `stream_generator` (lib test) generated 1 warning (run `cargo fix --lib -p stream_generator --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stream_generator-ecad7deba36ee696)
[INFO] [stdout] test tests::consume_channel ... ok
[INFO] [stdout] test tests::empty_stream ... ok
[INFO] [stdout] test tests::multi_try ... ok
[INFO] [stdout] test tests::noop_stream ... ok
[INFO] [stdout] test tests::convert_err ... ok
[INFO] [stdout] test tests::backpressure ... ok
[INFO] [stdout] test tests::borrow_self ... ok
[INFO] [stdout] test tests::single_err ... ok
[INFO] [stdout] test tests::return_stream ... ok
[INFO] [stdout] test tests::yield_single_value ... ok
[INFO] [stdout] test tests::yield_then_err ... ok
[INFO] [stdout] test tests::yield_multi_value ... ok
[INFO] [stdout] test tests::stream_in_stream ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stream_generator
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - generate_stream (line 34) ... ok
[INFO] [stdout] test src/lib.rs - generate_try_stream (line 75) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "176cc4b6f7ad6cc0966efd2dde401fa7f8c50d590c4a5bf9feb1f68f8c4eabd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "176cc4b6f7ad6cc0966efd2dde401fa7f8c50d590c4a5bf9feb1f68f8c4eabd5", kill_on_drop: false }`
[INFO] [stdout] 176cc4b6f7ad6cc0966efd2dde401fa7f8c50d590c4a5bf9feb1f68f8c4eabd5
