[INFO] fetching crate stream-unconsume 0.3.1...
[INFO] testing stream-unconsume-0.3.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate stream-unconsume 0.3.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate stream-unconsume 0.3.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stream-unconsume 0.3.1
[INFO] finished tweaking crates.io crate stream-unconsume 0.3.1
[INFO] tweaked toml for crates.io crate stream-unconsume 0.3.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded len-trait v0.6.1
[INFO] [stderr]   Downloaded push-trait v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 024b817cd38b64b0f2c4a0c99217127ffca69a56099292001539d19cd824a4d1
[INFO] running `Command { std: "docker" "start" "-a" "024b817cd38b64b0f2c4a0c99217127ffca69a56099292001539d19cd824a4d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "024b817cd38b64b0f2c4a0c99217127ffca69a56099292001539d19cd824a4d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "024b817cd38b64b0f2c4a0c99217127ffca69a56099292001539d19cd824a4d1", kill_on_drop: false }`
[INFO] [stdout] 024b817cd38b64b0f2c4a0c99217127ffca69a56099292001539d19cd824a4d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a20408c50142dedf255850abfdd71fcf7aad1492383dff2ebe0f4e7c9b56b82
[INFO] running `Command { std: "docker" "start" "-a" "1a20408c50142dedf255850abfdd71fcf7aad1492383dff2ebe0f4e7c9b56b82", kill_on_drop: false }`
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling len-trait v0.6.1
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling push-trait v0.6.0
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling stream-unconsume v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.43s
[INFO] running `Command { std: "docker" "inspect" "1a20408c50142dedf255850abfdd71fcf7aad1492383dff2ebe0f4e7c9b56b82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a20408c50142dedf255850abfdd71fcf7aad1492383dff2ebe0f4e7c9b56b82", kill_on_drop: false }`
[INFO] [stdout] 1a20408c50142dedf255850abfdd71fcf7aad1492383dff2ebe0f4e7c9b56b82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f94b49a555248e9939f82e844f4462048197815c4e410fe760d3aac09fee2ab
[INFO] running `Command { std: "docker" "start" "-a" "3f94b49a555248e9939f82e844f4462048197815c4e410fe760d3aac09fee2ab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stream-unconsume v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `check_lifetime_is_propagated_right`
[INFO] [stdout]    --> src/lib.rs:132:8
[INFO] [stdout]     |
[INFO] [stdout] 132 |     fn check_lifetime_is_propagated_right() {
[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 0.77s
[INFO] running `Command { std: "docker" "inspect" "3f94b49a555248e9939f82e844f4462048197815c4e410fe760d3aac09fee2ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f94b49a555248e9939f82e844f4462048197815c4e410fe760d3aac09fee2ab", kill_on_drop: false }`
[INFO] [stdout] 3f94b49a555248e9939f82e844f4462048197815c4e410fe760d3aac09fee2ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c7545a07dd6403cf68be8c821e276defd0d626d5552768b992cf00fdb5b4c48f
[INFO] running `Command { std: "docker" "start" "-a" "c7545a07dd6403cf68be8c821e276defd0d626d5552768b992cf00fdb5b4c48f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `check_lifetime_is_propagated_right`
[INFO] [stderr]    --> src/lib.rs:132:8
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn check_lifetime_is_propagated_right() {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `stream-unconsume` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stream_unconsume-4c1847fc5058e4df)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_consumed_stream_becomes_empty_tail_and_dont_panic ... ok
[INFO] [stdout] test tests::test_consumed_values_are_present ... 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 stream-unconsume
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c7545a07dd6403cf68be8c821e276defd0d626d5552768b992cf00fdb5b4c48f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7545a07dd6403cf68be8c821e276defd0d626d5552768b992cf00fdb5b4c48f", kill_on_drop: false }`
[INFO] [stdout] c7545a07dd6403cf68be8c821e276defd0d626d5552768b992cf00fdb5b4c48f