[INFO] fetching crate volans-stream 0.1.0...
[INFO] testing volans-stream-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate volans-stream 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate volans-stream 0.1.0
[INFO] finished tweaking crates.io crate volans-stream 0.1.0
[INFO] tweaked toml for crates.io crate volans-stream 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate volans-stream 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate volans-stream 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded volans-swarm v0.1.1
[INFO] [stderr]   Downloaded volans-swarm-derive v0.1.0
[INFO] [stderr]   Downloaded volans-stream-select v0.1.0
[INFO] [stderr]   Downloaded volans-core v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7990f1d823fd8990b9641ed47c9901b76be3bd88a9f26882d23c88ce7aa7a3c
[INFO] running `Command { std: "docker" "start" "-a" "c7990f1d823fd8990b9641ed47c9901b76be3bd88a9f26882d23c88ce7aa7a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7990f1d823fd8990b9641ed47c9901b76be3bd88a9f26882d23c88ce7aa7a3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7990f1d823fd8990b9641ed47c9901b76be3bd88a9f26882d23c88ce7aa7a3c", kill_on_drop: false }`
[INFO] [stdout] c7990f1d823fd8990b9641ed47c9901b76be3bd88a9f26882d23c88ce7aa7a3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 166d49933ed8ca31cc7ca69658fc5f66a76c81597e46df875eec8c82614a55c8
[INFO] running `Command { std: "docker" "start" "-a" "166d49933ed8ca31cc7ca69658fc5f66a76c81597e46df875eec8c82614a55c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-timer v3.0.3
[INFO] [stderr]    Compiling tokio v1.47.0
[INFO] [stderr]    Compiling volans-swarm-derive v0.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.0.3
[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling volans-stream-select v0.1.0
[INFO] [stderr]    Compiling volans-core v0.1.0
[INFO] [stderr]    Compiling volans-swarm v0.1.1
[INFO] [stderr]    Compiling volans-stream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ReadyUpgradeFactory` is never constructed
[INFO] [stdout]   --> src/upgrade.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct ReadyUpgradeFactory;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.90s
[INFO] running `Command { std: "docker" "inspect" "166d49933ed8ca31cc7ca69658fc5f66a76c81597e46df875eec8c82614a55c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "166d49933ed8ca31cc7ca69658fc5f66a76c81597e46df875eec8c82614a55c8", kill_on_drop: false }`
[INFO] [stdout] 166d49933ed8ca31cc7ca69658fc5f66a76c81597e46df875eec8c82614a55c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59484c0aa182dca450ea366fd95736cc9dc365b56ffabd75146e712ecced41a2
[INFO] running `Command { std: "docker" "start" "-a" "59484c0aa182dca450ea366fd95736cc9dc365b56ffabd75146e712ecced41a2", kill_on_drop: false }`
[INFO] [stdout] warning: struct `ReadyUpgradeFactory` is never constructed
[INFO] [stdout]   --> src/upgrade.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct ReadyUpgradeFactory;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling volans-stream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `ReadyUpgradeFactory` is never constructed
[INFO] [stdout]   --> src/upgrade.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct ReadyUpgradeFactory;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "59484c0aa182dca450ea366fd95736cc9dc365b56ffabd75146e712ecced41a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59484c0aa182dca450ea366fd95736cc9dc365b56ffabd75146e712ecced41a2", kill_on_drop: false }`
[INFO] [stdout] 59484c0aa182dca450ea366fd95736cc9dc365b56ffabd75146e712ecced41a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8ac1dcc27fdb4fea42f7764d2fe0796085d9fbb73eab0ab21a3f9060270c26c2
[INFO] running `Command { std: "docker" "start" "-a" "8ac1dcc27fdb4fea42f7764d2fe0796085d9fbb73eab0ab21a3f9060270c26c2", kill_on_drop: false }`
[INFO] [stderr] warning: struct `ReadyUpgradeFactory` is never constructed
[INFO] [stderr]   --> src/upgrade.rs:74:12
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub struct ReadyUpgradeFactory;
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] running 0 tests
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] warning: `volans-stream` (lib) generated 1 warning
[INFO] [stdout] 
[INFO] [stderr] warning: `volans-stream` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/volans_stream-3d8c160ee9505935)
[INFO] [stderr]    Doc-tests volans_stream
[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" "8ac1dcc27fdb4fea42f7764d2fe0796085d9fbb73eab0ab21a3f9060270c26c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ac1dcc27fdb4fea42f7764d2fe0796085d9fbb73eab0ab21a3f9060270c26c2", kill_on_drop: false }`
[INFO] [stdout] 8ac1dcc27fdb4fea42f7764d2fe0796085d9fbb73eab0ab21a3f9060270c26c2