[INFO] fetching crate stream_generator 0.1.0...
[INFO] testing stream_generator-0.1.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate stream_generator 0.1.0 into /workspace/builds/worker-3-tc2/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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate stream_generator 0.1.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.47.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91ee1c8cdd8fa5ca8199191c3cbe05855a6418a9dd9d6bbc1bb26512aed010db
[INFO] running `Command { std: "docker" "start" "-a" "91ee1c8cdd8fa5ca8199191c3cbe05855a6418a9dd9d6bbc1bb26512aed010db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91ee1c8cdd8fa5ca8199191c3cbe05855a6418a9dd9d6bbc1bb26512aed010db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91ee1c8cdd8fa5ca8199191c3cbe05855a6418a9dd9d6bbc1bb26512aed010db", kill_on_drop: false }`
[INFO] [stdout] 91ee1c8cdd8fa5ca8199191c3cbe05855a6418a9dd9d6bbc1bb26512aed010db
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45d59d5eba20e4837d82c6cdc1c5cae4532bfbb1b46de333763dfb61ccc33719
[INFO] running `Command { std: "docker" "start" "-a" "45d59d5eba20e4837d82c6cdc1c5cae4532bfbb1b46de333763dfb61ccc33719", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling stream_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.53s
[INFO] running `Command { std: "docker" "inspect" "45d59d5eba20e4837d82c6cdc1c5cae4532bfbb1b46de333763dfb61ccc33719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45d59d5eba20e4837d82c6cdc1c5cae4532bfbb1b46de333763dfb61ccc33719", kill_on_drop: false }`
[INFO] [stdout] 45d59d5eba20e4837d82c6cdc1c5cae4532bfbb1b46de333763dfb61ccc33719
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc52c3714e04654837f30a4057a35348d9252b76c9fb47fa851651811ba42c96
[INFO] running `Command { std: "docker" "start" "-a" "bc52c3714e04654837f30a4057a35348d9252b76c9fb47fa851651811ba42c96", kill_on_drop: false }`
[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 2.78s
[INFO] running `Command { std: "docker" "inspect" "bc52c3714e04654837f30a4057a35348d9252b76c9fb47fa851651811ba42c96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc52c3714e04654837f30a4057a35348d9252b76c9fb47fa851651811ba42c96", kill_on_drop: false }`
[INFO] [stdout] bc52c3714e04654837f30a4057a35348d9252b76c9fb47fa851651811ba42c96
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1978a078f6b7ba16465911d067bcdb94babf89f8ef63ba3338eb44547dd89732
[INFO] running `Command { std: "docker" "start" "-a" "1978a078f6b7ba16465911d067bcdb94babf89f8ef63ba3338eb44547dd89732", 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 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stream_generator-9cce61cd31d377b4)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::borrow_self ... ok
[INFO] [stdout] test tests::consume_channel ... ok
[INFO] [stdout] test tests::convert_err ... 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::return_stream ... ok
[INFO] [stdout] test tests::single_err ... ok
[INFO] [stdout] test tests::backpressure ... ok
[INFO] [stdout] test tests::stream_in_stream ... ok
[INFO] [stdout] test tests::yield_multi_value ... ok
[INFO] [stdout] test tests::yield_single_value ... ok
[INFO] [stdout] test tests::yield_then_err ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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 0.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1978a078f6b7ba16465911d067bcdb94babf89f8ef63ba3338eb44547dd89732", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1978a078f6b7ba16465911d067bcdb94babf89f8ef63ba3338eb44547dd89732", kill_on_drop: false }`
[INFO] [stdout] 1978a078f6b7ba16465911d067bcdb94babf89f8ef63ba3338eb44547dd89732