[INFO] fetching crate futures-mockstream 0.1.2...
[INFO] testing futures-mockstream-0.1.2 against 1.59.0 for beta-1.60-1
[INFO] extracting crate futures-mockstream 0.1.2 into /workspace/builds/worker-76/source
[INFO] validating manifest of crates.io crate futures-mockstream 0.1.2 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures-mockstream 0.1.2
[INFO] finished tweaking crates.io crate futures-mockstream 0.1.2
[INFO] tweaked toml for crates.io crate futures-mockstream 0.1.2 written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86db34ee8c593a9b984bb08a7092f42a2468a01f1b1feb18c8830e1ae001950a
[INFO] running `Command { std: "docker" "start" "-a" "86db34ee8c593a9b984bb08a7092f42a2468a01f1b1feb18c8830e1ae001950a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86db34ee8c593a9b984bb08a7092f42a2468a01f1b1feb18c8830e1ae001950a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86db34ee8c593a9b984bb08a7092f42a2468a01f1b1feb18c8830e1ae001950a", kill_on_drop: false }`
[INFO] [stdout] 86db34ee8c593a9b984bb08a7092f42a2468a01f1b1feb18c8830e1ae001950a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f918586c472f6163092ec7f97e75a32d3d2664c102b90bcd99b9679f49a7d60a
[INFO] running `Command { std: "docker" "start" "-a" "f918586c472f6163092ec7f97e75a32d3d2664c102b90bcd99b9679f49a7d60a", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling futures-mockstream v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `from_index`
[INFO] [stdout]   --> src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     from_index: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 0.82s
[INFO] running `Command { std: "docker" "inspect" "f918586c472f6163092ec7f97e75a32d3d2664c102b90bcd99b9679f49a7d60a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f918586c472f6163092ec7f97e75a32d3d2664c102b90bcd99b9679f49a7d60a", kill_on_drop: false }`
[INFO] [stdout] f918586c472f6163092ec7f97e75a32d3d2664c102b90bcd99b9679f49a7d60a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae36a08e4a6464a02294d3b5f23c8fd84a808b49b7edeb1041c4ad18ed60e476
[INFO] running `Command { std: "docker" "start" "-a" "ae36a08e4a6464a02294d3b5f23c8fd84a808b49b7edeb1041c4ad18ed60e476", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling cache-padded v1.2.0
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling event-listener v2.5.2
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling fastrand v1.7.0
[INFO] [stderr]    Compiling parking v1.0.6
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling once_cell v1.9.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stdout] warning: field is never read: `from_index`
[INFO] [stdout]   --> src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     from_index: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling futures-lite v0.1.11
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling blocking v0.4.7
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling smol v0.1.18
[INFO] [stderr]    Compiling futures-mockstream v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `from_index`
[INFO] [stdout]   --> src/lib.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     from_index: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 37.75s
[INFO] running `Command { std: "docker" "inspect" "ae36a08e4a6464a02294d3b5f23c8fd84a808b49b7edeb1041c4ad18ed60e476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae36a08e4a6464a02294d3b5f23c8fd84a808b49b7edeb1041c4ad18ed60e476", kill_on_drop: false }`
[INFO] [stdout] ae36a08e4a6464a02294d3b5f23c8fd84a808b49b7edeb1041c4ad18ed60e476
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a2b7047d52359df8a6c04db1a8708f624908e91c4c65345c24b0a3c1d9fdd02a
[INFO] running `Command { std: "docker" "start" "-a" "a2b7047d52359df8a6c04db1a8708f624908e91c4c65345c24b0a3c1d9fdd02a", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `from_index`
[INFO] [stderr]   --> src/lib.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     from_index: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `futures-mockstream` (lib) generated 1 warning
[INFO] [stderr] warning: `futures-mockstream` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/futures_mockstream-36f3db161d6b54fa)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::async_read ... ok
[INFO] [stdout] test tests::async_read_sized ... ok
[INFO] [stdout] test tests::async_stream_none ... ok
[INFO] [stdout] test tests::async_stream_sized ... ok
[INFO] [stdout] test tests::async_write ... ok
[INFO] [stdout] test tests::async_write_sized ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests futures-mockstream
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 5) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - MockStream (line 23) ... ok
[INFO] [stdout] test src/lib.rs - MockStream::from (line 42) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.59s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a2b7047d52359df8a6c04db1a8708f624908e91c4c65345c24b0a3c1d9fdd02a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b7047d52359df8a6c04db1a8708f624908e91c4c65345c24b0a3c1d9fdd02a", kill_on_drop: false }`
[INFO] [stdout] a2b7047d52359df8a6c04db1a8708f624908e91c4c65345c24b0a3c1d9fdd02a