[INFO] fetching crate stack_test_progpow_gpu 0.1.0...
[INFO] documenting stack_test_progpow_gpu-0.1.0 against try#6ee483316d2e4581572121d60a955affb2032eb3+cargoflags=-Zrustdoc-scrape-examples for scrape-examples
[INFO] extracting crate stack_test_progpow_gpu 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate stack_test_progpow_gpu 0.1.0 on toolchain 6ee483316d2e4581572121d60a955affb2032eb3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stack_test_progpow_gpu 0.1.0
[INFO] finished tweaking crates.io crate stack_test_progpow_gpu 0.1.0
[INFO] tweaked toml for crates.io crate stack_test_progpow_gpu 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dc7e9ff8b7d689c75a261b7edd6f69ae017e22c1750d34754428f6eb249bd9a
[INFO] running `Command { std: "docker" "start" "-a" "2dc7e9ff8b7d689c75a261b7edd6f69ae017e22c1750d34754428f6eb249bd9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dc7e9ff8b7d689c75a261b7edd6f69ae017e22c1750d34754428f6eb249bd9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dc7e9ff8b7d689c75a261b7edd6f69ae017e22c1750d34754428f6eb249bd9a", kill_on_drop: false }`
[INFO] [stdout] 2dc7e9ff8b7d689c75a261b7edd6f69ae017e22c1750d34754428f6eb249bd9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json" "-Zrustdoc-scrape-examples", kill_on_drop: false }`
[INFO] [stdout] dad50abcca9f5b45ddf522f9795b0530039a89177ce0cc466e2a8d255129fa04
[INFO] running `Command { std: "docker" "start" "-a" "dad50abcca9f5b45ddf522f9795b0530039a89177ce0cc466e2a8d255129fa04", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cc v1.0.77
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling cmake v0.1.49
[INFO] [stderr]     Checking bigint v4.4.3
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling filetime v0.2.19
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling stack_test_progpow_gpu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `generate_bindings` is never used
[INFO] [stdout]   --> build.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn generate_bindings(out_dir: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `exec_if_newer` is never used
[INFO] [stdout]   --> build.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn exec_if_newer<F: Fn()>(inpath: &str, outpath: &str, build: F) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Scraping stack_test_progpow_gpu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting stack_test_progpow_gpu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 36s
[INFO] running `Command { std: "docker" "inspect" "dad50abcca9f5b45ddf522f9795b0530039a89177ce0cc466e2a8d255129fa04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dad50abcca9f5b45ddf522f9795b0530039a89177ce0cc466e2a8d255129fa04", kill_on_drop: false }`
[INFO] [stdout] dad50abcca9f5b45ddf522f9795b0530039a89177ce0cc466e2a8d255129fa04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+6ee483316d2e4581572121d60a955affb2032eb3" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json" "-Zrustdoc-scrape-examples", kill_on_drop: false }`
[INFO] [stdout] 78692af6e177b04a24c804c7d6f9b82892ca3bcc48bb5dca01e7966bc4e77798
[INFO] running `Command { std: "docker" "start" "-a" "78692af6e177b04a24c804c7d6f9b82892ca3bcc48bb5dca01e7966bc4e77798", kill_on_drop: false }`
[INFO] [stdout] warning: function `generate_bindings` is never used
[INFO] [stdout]   --> build.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn generate_bindings(out_dir: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling stack_test_progpow_gpu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `exec_if_newer` is never used
[INFO] [stdout]   --> build.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn exec_if_newer<F: Fn()>(inpath: &str, outpath: &str, build: F) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Scraping stack_test_progpow_gpu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting stack_test_progpow_gpu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "78692af6e177b04a24c804c7d6f9b82892ca3bcc48bb5dca01e7966bc4e77798", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78692af6e177b04a24c804c7d6f9b82892ca3bcc48bb5dca01e7966bc4e77798", kill_on_drop: false }`
[INFO] [stdout] 78692af6e177b04a24c804c7d6f9b82892ca3bcc48bb5dca01e7966bc4e77798