[INFO] fetching crate juniper_subscriptions_puff 0.17.0-dev...
[INFO] checking juniper_subscriptions_puff-0.17.0-dev against try#2278ef25f90817c20d6dd0d2da58a990eb6f53cb for pr-145108-1
[INFO] extracting crate juniper_subscriptions_puff 0.17.0-dev into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate juniper_subscriptions_puff 0.17.0-dev
[INFO] finished tweaking crates.io crate juniper_subscriptions_puff 0.17.0-dev
[INFO] tweaked toml for crates.io crate juniper_subscriptions_puff 0.17.0-dev written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate juniper_subscriptions_puff 0.17.0-dev on toolchain 2278ef25f90817c20d6dd0d2da58a990eb6f53cb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "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" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 103 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b2e9f237025b500a3231e6c74fa8e302f933b77386a7772f0667fad4edebe266
[INFO] running `Command { std: "docker" "start" "-a" "b2e9f237025b500a3231e6c74fa8e302f933b77386a7772f0667fad4edebe266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b2e9f237025b500a3231e6c74fa8e302f933b77386a7772f0667fad4edebe266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2e9f237025b500a3231e6c74fa8e302f933b77386a7772f0667fad4edebe266", kill_on_drop: false }`
[INFO] [stdout] b2e9f237025b500a3231e6c74fa8e302f933b77386a7772f0667fad4edebe266
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+2278ef25f90817c20d6dd0d2da58a990eb6f53cb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 769387a77dd0cd50903731d431b6fcc302d376451021ad4204d57da286ecec2d
[INFO] running `Command { std: "docker" "start" "-a" "769387a77dd0cd50903731d431b6fcc302d376451021ad4204d57da286ecec2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling derive_utils v0.11.2
[INFO] [stderr]    Compiling juniper_codegen_puff v0.16.0-dev
[INFO] [stderr]    Compiling futures-enum v0.1.17
[INFO] [stderr]     Checking juniper_puff v0.16.0-dev
[INFO] [stderr]     Checking juniper_subscriptions_puff v0.17.0-dev (/opt/rustwide/workdir)
[INFO] [stdout] error: unused import: `StreamExt`
[INFO] [stdout]    --> src/lib.rs:245:27
[INFO] [stdout]     |
[INFO] [stdout] 245 |     use futures::{stream, StreamExt as _};
[INFO] [stdout]     |                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:3:9
[INFO] [stdout]     |
[INFO] [stdout]   3 | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `juniper_subscriptions_puff` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "769387a77dd0cd50903731d431b6fcc302d376451021ad4204d57da286ecec2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "769387a77dd0cd50903731d431b6fcc302d376451021ad4204d57da286ecec2d", kill_on_drop: false }`
[INFO] [stdout] 769387a77dd0cd50903731d431b6fcc302d376451021ad4204d57da286ecec2d