[INFO] fetching crate glow 0.6.1...
[INFO] checking glow-0.6.1 against beta for pr-78714
[INFO] extracting crate glow 0.6.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate glow 0.6.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate glow 0.6.1
[INFO] finished tweaking crates.io crate glow 0.6.1
[INFO] tweaked toml for crates.io crate glow 0.6.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b25f6ec65e8a6979f9f62d2427b13acf69f78ad8a8102135297d34b007404b1c
[INFO] running `Command { std: "docker" "start" "-a" "b25f6ec65e8a6979f9f62d2427b13acf69f78ad8a8102135297d34b007404b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b25f6ec65e8a6979f9f62d2427b13acf69f78ad8a8102135297d34b007404b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b25f6ec65e8a6979f9f62d2427b13acf69f78ad8a8102135297d34b007404b1c", kill_on_drop: false }`
[INFO] [stdout] b25f6ec65e8a6979f9f62d2427b13acf69f78ad8a8102135297d34b007404b1c
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 266f58ffa6e9d9f871f2fba273b71b704bc681a64179c3e8b506c38dcfba1a2d
[INFO] running `Command { std: "docker" "start" "-a" "266f58ffa6e9d9f871f2fba273b71b704bc681a64179c3e8b506c38dcfba1a2d", kill_on_drop: false }`
[INFO] [stderr]     Checking glow v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/native.rs:24:37
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let raw: native_gl::GlFns = unsafe {
[INFO] [stdout]    |                                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/native.rs:45:30
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let num_extensions = unsafe { context.get_parameter_i32(NUM_EXTENSIONS) };
[INFO] [stdout]    |                              ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/native.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 unsafe { context.get_parameter_indexed_string(EXTENSIONS, i as u32) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/native.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |             unsafe { context.get_parameter_i32(MAX_LABEL_LENGTH) }
[INFO] [stdout]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/native.rs:24:37
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let raw: native_gl::GlFns = unsafe {
[INFO] [stdout]    |                                     ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_unsafe)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/native.rs:45:30
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let num_extensions = unsafe { context.get_parameter_i32(NUM_EXTENSIONS) };
[INFO] [stdout]    |                              ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/native.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 unsafe { context.get_parameter_indexed_string(EXTENSIONS, i as u32) };
[INFO] [stdout]    |                 ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]   --> src/native.rs:55:13
[INFO] [stdout]    |
[INFO] [stdout] 55 |             unsafe { context.get_parameter_i32(MAX_LABEL_LENGTH) }
[INFO] [stdout]    |             ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.78s
[INFO] running `Command { std: "docker" "inspect" "266f58ffa6e9d9f871f2fba273b71b704bc681a64179c3e8b506c38dcfba1a2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "266f58ffa6e9d9f871f2fba273b71b704bc681a64179c3e8b506c38dcfba1a2d", kill_on_drop: false }`
[INFO] [stdout] 266f58ffa6e9d9f871f2fba273b71b704bc681a64179c3e8b506c38dcfba1a2d