[INFO] fetching crate shared_stream 0.2.1...
[INFO] testing shared_stream-0.2.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate shared_stream 0.2.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate shared_stream 0.2.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shared_stream 0.2.1
[INFO] finished tweaking crates.io crate shared_stream 0.2.1
[INFO] tweaked toml for crates.io crate shared_stream 0.2.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c3e4fa793a3f6d5b5f92051ae29b0f43b1034cf6954d6da269f35c70fc83ff5
[INFO] running `Command { std: "docker" "start" "-a" "0c3e4fa793a3f6d5b5f92051ae29b0f43b1034cf6954d6da269f35c70fc83ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c3e4fa793a3f6d5b5f92051ae29b0f43b1034cf6954d6da269f35c70fc83ff5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c3e4fa793a3f6d5b5f92051ae29b0f43b1034cf6954d6da269f35c70fc83ff5", kill_on_drop: false }`
[INFO] [stdout] 0c3e4fa793a3f6d5b5f92051ae29b0f43b1034cf6954d6da269f35c70fc83ff5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d861ed3114baa4b8a9b10c2ca8f8c2f27c117863311268691744d6a9c1c7660
[INFO] running `Command { std: "docker" "start" "-a" "8d861ed3114baa4b8a9b10c2ca8f8c2f27c117863311268691744d6a9c1c7660", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling shared_stream v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `rustdoc` has been removed: use `rustdoc::all` instead
[INFO] [stdout]   --> src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     rustdoc,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "8d861ed3114baa4b8a9b10c2ca8f8c2f27c117863311268691744d6a9c1c7660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d861ed3114baa4b8a9b10c2ca8f8c2f27c117863311268691744d6a9c1c7660", kill_on_drop: false }`
[INFO] [stdout] 8d861ed3114baa4b8a9b10c2ca8f8c2f27c117863311268691744d6a9c1c7660
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0311099035dd75a5bf10d02ec9b9c090d6c339d8aef33de0e3ec1937c8fcddc6
[INFO] running `Command { std: "docker" "start" "-a" "0311099035dd75a5bf10d02ec9b9c090d6c339d8aef33de0e3ec1937c8fcddc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stdout] warning: lint `rustdoc` has been removed: use `rustdoc::all` instead
[INFO] [stdout]   --> src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     rustdoc,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling shared_stream v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `rustdoc` has been removed: use `rustdoc::all` instead
[INFO] [stdout]   --> src/lib.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     rustdoc,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trivial cast: `[String; 0]` as `[String; 0]`
[INFO] [stdout]    --> src/lib.rs:240:36
[INFO] [stdout]     |
[INFO] [stdout] 240 |         assert_eq!(*seen.borrow(), [] as [String; 0]);
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:43:5
[INFO] [stdout]     |
[INFO] [stdout] 43  |     trivial_casts,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout]     = help: cast can be replaced by coercion; this might require a temporary variable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused result of type `Option<String>`
[INFO] [stdout]    --> src/lib.rs:295:9
[INFO] [stdout]     |
[INFO] [stdout] 295 |         block_on(stream.next());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:53:5
[INFO] [stdout]     |
[INFO] [stdout] 53  |     unused_results,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.22s
[INFO] running `Command { std: "docker" "inspect" "0311099035dd75a5bf10d02ec9b9c090d6c339d8aef33de0e3ec1937c8fcddc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0311099035dd75a5bf10d02ec9b9c090d6c339d8aef33de0e3ec1937c8fcddc6", kill_on_drop: false }`
[INFO] [stdout] 0311099035dd75a5bf10d02ec9b9c090d6c339d8aef33de0e3ec1937c8fcddc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b1a1d4472863977704ea64baca4a3c8ba7eb5ea9e3fbf8e596a1d05417e8befd
[INFO] running `Command { std: "docker" "start" "-a" "b1a1d4472863977704ea64baca4a3c8ba7eb5ea9e3fbf8e596a1d05417e8befd", kill_on_drop: false }`
[INFO] [stderr] warning: lint `rustdoc` has been removed: use `rustdoc::all` instead
[INFO] [stderr]   --> src/lib.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     rustdoc,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `shared_stream` (lib) generated 1 warning
[INFO] [stderr] warning: trivial cast: `[String; 0]` as `[String; 0]`
[INFO] [stderr]    --> src/lib.rs:240:36
[INFO] [stderr]     |
[INFO] [stderr] 240 |         assert_eq!(*seen.borrow(), [] as [String; 0]);
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:43:5
[INFO] [stderr]     |
[INFO] [stderr] 43  |     trivial_casts,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr]     = help: cast can be replaced by coercion; this might require a temporary variable
[INFO] [stderr] 
[INFO] [stderr] warning: unused result of type `Option<String>`
[INFO] [stderr]    --> src/lib.rs:295:9
[INFO] [stderr]     |
[INFO] [stderr] 295 |         block_on(stream.next());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]    --> src/lib.rs:53:5
[INFO] [stderr]     |
[INFO] [stderr] 53  |     unused_results,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `shared_stream` (lib test) generated 3 warnings (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shared_stream-d67a8bbc37817f10)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test_size_hint_for_unfinished ... ok
[INFO] [stdout] test test::test_everything ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shared_stream
[INFO] [stderr] warning: lint `rustdoc` has been removed: use `rustdoc::all` instead
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     rustdoc,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: lint `invalid_html_tags` has been renamed to `rustdoc::invalid_html_tags`
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     invalid_html_tags,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::invalid_html_tags`
[INFO] [stderr] 
[INFO] [stderr] warning: lint `missing_crate_level_docs` has been renamed to `rustdoc::missing_crate_level_docs`
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     missing_crate_level_docs,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::missing_crate_level_docs`
[INFO] [stderr] 
[INFO] [stderr] warning: lint `missing_doc_code_examples` has been renamed to `rustdoc::missing_doc_code_examples`
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     missing_doc_code_examples,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::missing_doc_code_examples`
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_doc_tests` has been renamed to `rustdoc::private_doc_tests`
[INFO] [stderr]   --> /opt/rustwide/workdir/src/lib.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     private_doc_tests,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^ help: use the new name: `rustdoc::private_doc_tests`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b1a1d4472863977704ea64baca4a3c8ba7eb5ea9e3fbf8e596a1d05417e8befd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1a1d4472863977704ea64baca4a3c8ba7eb5ea9e3fbf8e596a1d05417e8befd", kill_on_drop: false }`
[INFO] [stdout] b1a1d4472863977704ea64baca4a3c8ba7eb5ea9e3fbf8e596a1d05417e8befd