[INFO] fetching crate glfw 0.42.0...
[INFO] testing glfw-0.42.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate glfw 0.42.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate glfw 0.42.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate glfw 0.42.0
[INFO] finished tweaking crates.io crate glfw 0.42.0
[INFO] tweaked toml for crates.io crate glfw 0.42.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate glfw 0.42.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c74110fba633fb66831fd648e6caa5cd162ae28c037ea5ae2b50a7ee113d296
[INFO] running `Command { std: "docker" "start" "-a" "7c74110fba633fb66831fd648e6caa5cd162ae28c037ea5ae2b50a7ee113d296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c74110fba633fb66831fd648e6caa5cd162ae28c037ea5ae2b50a7ee113d296", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c74110fba633fb66831fd648e6caa5cd162ae28c037ea5ae2b50a7ee113d296", kill_on_drop: false }`
[INFO] [stdout] 7c74110fba633fb66831fd648e6caa5cd162ae28c037ea5ae2b50a7ee113d296
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d2ac65472c35e8fde258d76b61c3418a1485ec45cb15f59f735c4f58f133844
[INFO] running `Command { std: "docker" "start" "-a" "5d2ac65472c35e8fde258d76b61c3418a1485ec45cb15f59f735c4f58f133844", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling glfw-sys v3.3.4
[INFO] [stderr]    Compiling glfw v0.42.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: field is never read: `drop_receiver`
[INFO] [stdout]     --> src/lib.rs:1926:5
[INFO] [stdout]      |
[INFO] [stdout] 1926 |     drop_receiver: Receiver<()>,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]     --> src/lib.rs:24:5
[INFO] [stdout]      |
[INFO] [stdout] 24   |     unused,
[INFO] [stdout]      |     ^^^^^^
[INFO] [stdout]      = note: `#[deny(dead_code)]` implied by `#[deny(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `glfw` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "5d2ac65472c35e8fde258d76b61c3418a1485ec45cb15f59f735c4f58f133844", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d2ac65472c35e8fde258d76b61c3418a1485ec45cb15f59f735c4f58f133844", kill_on_drop: false }`
[INFO] [stdout] 5d2ac65472c35e8fde258d76b61c3418a1485ec45cb15f59f735c4f58f133844