[INFO] fetching crate gfx-backend-gl 0.8.1...
[INFO] checking gfx-backend-gl-0.8.1 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate gfx-backend-gl 0.8.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate gfx-backend-gl 0.8.1 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gfx-backend-gl 0.8.1
[INFO] finished tweaking crates.io crate gfx-backend-gl 0.8.1
[INFO] tweaked toml for crates.io crate gfx-backend-gl 0.8.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90de62a877299dc38a2a2c469b8f2379b89c9809b5abf658c38af59fd9a9c927
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "90de62a877299dc38a2a2c469b8f2379b89c9809b5abf658c38af59fd9a9c927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90de62a877299dc38a2a2c469b8f2379b89c9809b5abf658c38af59fd9a9c927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90de62a877299dc38a2a2c469b8f2379b89c9809b5abf658c38af59fd9a9c927", kill_on_drop: false }`
[INFO] [stdout] 90de62a877299dc38a2a2c469b8f2379b89c9809b5abf658c38af59fd9a9c927
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fec04fbf3037513ff5d1c65624afb4b03df2ce37c8edca487b2391338350a594
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fec04fbf3037513ff5d1c65624afb4b03df2ce37c8edca487b2391338350a594", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling khronos-egl v4.1.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking glow v0.9.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking spirv_headers v1.5.0
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking naga v0.4.0
[INFO] [stderr]     Checking gfx-hal v0.8.0
[INFO] [stderr]     Checking gfx-backend-gl v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `downlevel`
[INFO] [stdout]    --> src/info.rs:661:13
[INFO] [stdout]     |
[INFO] [stdout] 661 |     let mut downlevel = hal::DownlevelProperties::all_enabled();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_downlevel`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `downlevel`
[INFO] [stdout]    --> src/info.rs:661:13
[INFO] [stdout]     |
[INFO] [stdout] 661 |     let mut downlevel = hal::DownlevelProperties::all_enabled();
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_downlevel`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/info.rs:661:9
[INFO] [stdout]     |
[INFO] [stdout] 661 |     let mut downlevel = hal::DownlevelProperties::all_enabled();
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/info.rs:661:9
[INFO] [stdout]     |
[INFO] [stdout] 661 |     let mut downlevel = hal::DownlevelProperties::all_enabled();
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.05s
[INFO] running `Command { std: "docker" "inspect" "fec04fbf3037513ff5d1c65624afb4b03df2ce37c8edca487b2391338350a594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fec04fbf3037513ff5d1c65624afb4b03df2ce37c8edca487b2391338350a594", kill_on_drop: false }`
[INFO] [stdout] fec04fbf3037513ff5d1c65624afb4b03df2ce37c8edca487b2391338350a594