[INFO] fetching crate glow 0.6.0...
[INFO] checking glow-0.6.0 against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] extracting crate glow 0.6.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate glow 0.6.0 on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate glow 0.6.0
[INFO] finished tweaking crates.io crate glow 0.6.0
[INFO] tweaked toml for crates.io crate glow 0.6.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adb4a9ac3ed5f26bf3d6eeb4fdab419643131f73d8e5d0b1fb1159654c808de8
[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" "adb4a9ac3ed5f26bf3d6eeb4fdab419643131f73d8e5d0b1fb1159654c808de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adb4a9ac3ed5f26bf3d6eeb4fdab419643131f73d8e5d0b1fb1159654c808de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adb4a9ac3ed5f26bf3d6eeb4fdab419643131f73d8e5d0b1fb1159654c808de8", kill_on_drop: false }`
[INFO] [stdout] adb4a9ac3ed5f26bf3d6eeb4fdab419643131f73d8e5d0b1fb1159654c808de8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9443267b56d50b7a77eb2fecfa7eee2cc3791c2a5f13ea02467e192b680baf7
[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" "e9443267b56d50b7a77eb2fecfa7eee2cc3791c2a5f13ea02467e192b680baf7", kill_on_drop: false }`
[INFO] [stderr]     Checking glow v0.6.0 (/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 36.41s
[INFO] running `Command { std: "docker" "inspect" "e9443267b56d50b7a77eb2fecfa7eee2cc3791c2a5f13ea02467e192b680baf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9443267b56d50b7a77eb2fecfa7eee2cc3791c2a5f13ea02467e192b680baf7", kill_on_drop: false }`
[INFO] [stdout] e9443267b56d50b7a77eb2fecfa7eee2cc3791c2a5f13ea02467e192b680baf7