[INFO] cloning repository https://github.com/Kerollmops/linen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kerollmops/linen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKerollmops%2Flinen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKerollmops%2Flinen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d6af6fbe97e6ec2448ac45b3ce42d89b43c0a9e
[INFO] documenting Kerollmops/linen against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKerollmops%2Flinen" "/workspace/builds/worker-113/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-113/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kerollmops/linen on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Kerollmops/linen
[INFO] finished tweaking git repo https://github.com/Kerollmops/linen
[INFO] tweaked toml for git repo https://github.com/Kerollmops/linen written to /workspace/builds/worker-113/source/Cargo.toml
[INFO] crate git repo https://github.com/Kerollmops/linen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8aa816c74ffe681f5acd849258ef7df0e2b6000e0d131abefbf6d0b8446dc44b
[INFO] running `Command { std: "docker" "start" "-a" "8aa816c74ffe681f5acd849258ef7df0e2b6000e0d131abefbf6d0b8446dc44b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8aa816c74ffe681f5acd849258ef7df0e2b6000e0d131abefbf6d0b8446dc44b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aa816c74ffe681f5acd849258ef7df0e2b6000e0d131abefbf6d0b8446dc44b", kill_on_drop: false }`
[INFO] [stdout] 8aa816c74ffe681f5acd849258ef7df0e2b6000e0d131abefbf6d0b8446dc44b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-113/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f512f01ca49004d8a5ce824dd4f1a963a54d36705dd54f98f6aa018b6a208c0f
[INFO] running `Command { std: "docker" "start" "-a" "f512f01ca49004d8a5ce824dd4f1a963a54d36705dd54f98f6aa018b6a208c0f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling lazy_static v0.2.9
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling libloading v0.4.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling cl-sys v0.4.0
[INFO] [stderr]    Compiling bindgen v0.31.3 (https://github.com/rust-lang-nursery/rust-bindgen.git?branch=master#433e9c05)
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling log v0.3.8
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.3
[INFO] [stderr]    Compiling which v1.0.3
[INFO] [stderr]    Compiling clang-sys v0.21.0
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling clap v2.27.1
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]     Checking linen-core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]  Documenting linen-core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stdout] warning: unused import: `CL_PLATFORM_VERSION`
[INFO] [stdout]  --> core/src/platform.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     CL_PLATFORM_VERSION,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `opencl_sys::clCreateContext`
[INFO] [stdout]  --> core/src/context.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use opencl_sys::clCreateContext;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> core/src/buffer.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |                 unimplemented!(),
[INFO] [stdout]    |                 ---------------- any code following this expression is unreachable
[INFO] [stdout] 22 |                 size,
[INFO] [stdout]    |                 ^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> core/src/buffer.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 43 |                 unimplemented!(),
[INFO] [stdout]    |                 ---------------- any code following this expression is unreachable
[INFO] [stdout] 44 |                 slice.len(),
[INFO] [stdout]    |                 ^^^^^^^^^^^ unreachable expression
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `device`
[INFO] [stdout]   --> core/src/context.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn simple(device: &Device) -> Self {
[INFO] [stdout]    |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_device`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `devices`
[INFO] [stdout]   --> core/src/context.rs:15:23
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn new<'a, I>(devices: I) -> Self
[INFO] [stdout]    |                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_devices`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> core/src/buffer.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut error = 0;
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]   --> core/src/buffer.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let buffer = unsafe {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]   --> core/src/buffer.rs:13:58
[INFO] [stdout]    |
[INFO] [stdout] 13 |     pub fn uninitialized(context: &Context, size: usize, flags: ()) -> Self {
[INFO] [stdout]    |                                                          ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `error`
[INFO] [stdout]   --> core/src/buffer.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut error = 0;
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]   --> core/src/buffer.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let buffer = unsafe {
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `flags`
[INFO] [stdout]   --> core/src/buffer.rs:35:56
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn from_slice(context: &Context, slice: &[u8], flags: ()) -> Self {
[INFO] [stdout]    |                                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_flags`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> core/src/buffer.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut error = 0;
[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]   --> core/src/buffer.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |         let mut error = 0;
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cexpr v0.2.2
[INFO] [stderr]  Documenting linen v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling opencl-sys v0.1.0 (/opt/rustwide/workdir/opencl-sys)
[INFO] [stderr] error: failed to run custom build command for `opencl-sys v0.1.0 (/opt/rustwide/workdir/opencl-sys)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/opencl-sys-8fa57c075e14d758/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rustc-link-search=framework=/System/Library/Frameworks/
[INFO] [stderr]   cargo:rustc-link-lib=framework=OpenCL
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   /opt/rustwide/workdir/opencl-sys/opencl22/CL/cl.h:35:10: fatal error: 'CL/cl_platform.h' file not found
[INFO] [stderr]   /opt/rustwide/workdir/opencl-sys/opencl22/CL/cl.h:35:10: fatal error: 'CL/cl_platform.h' file not found, err: true
[INFO] [stderr]   thread 'main' panicked at 'Unable to generate bindings: ()', opencl-sys/build.rs:28:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55ff88813200 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55ff88813200 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55ff88813200 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55ff88813200 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55ff8883784c - core::fmt::write::h306731c068f7162c
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stderr]      5:     0x55ff88810265 - std::io::Write::write_fmt::hd2fa90334eee2a21
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stderr]      6:     0x55ff8881538b - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55ff8881538b - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55ff8881538b - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55ff88814e61 - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55ff88815a54 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x55ff88815537 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x55ff888136fc - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55ff88815499 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x55ff883f2481 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x55ff883f2573 - core::result::unwrap_failed::h6160d2b4bfbb0e87
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x55ff883f3db3 - core::result::Result<T,E>::expect::h0e31cf51dd4a9535
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:997:23
[INFO] [stderr]     17:     0x55ff883f55e9 - build_script_build::main::h5999b14d2b956994
[INFO] [stderr]                                  at /opt/rustwide/workdir/opencl-sys/build.rs:13:20
[INFO] [stderr]     18:     0x55ff883f3afb - core::ops::function::FnOnce::call_once::h9ba285e8b0dc3335
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x55ff883f3a4e - std::sys_common::backtrace::__rust_begin_short_backtrace::hbf97e30f8fbae6eb
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x55ff883f6321 - std::rt::lang_start::{{closure}}::h08b464ee74cad280
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:49:18
[INFO] [stderr]     21:     0x55ff88815f59 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h2aabc384aab89b7b
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x55ff88815f59 - std::panicking::try::do_call::hc5fcacb7a85fc7b1
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stderr]     23:     0x55ff88815f59 - std::panicking::try::hb5d9603af3abbe3a
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stderr]     24:     0x55ff88815f59 - std::panic::catch_unwind::h98fe6ac3925e64b4
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stderr]     25:     0x55ff88815f59 - std::rt::lang_start_internal::h22ac7383c516f93e
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:34:21
[INFO] [stderr]     26:     0x55ff883f6300 - std::rt::lang_start::h1e6197cd20f1827f
[INFO] [stderr]                                  at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/rt.rs:48:5
[INFO] [stderr]     27:     0x55ff883f5a9c - main
[INFO] [stderr]     28:     0x7f08c25610b3 - __libc_start_main
[INFO] [stderr]     29:     0x55ff883f2c7e - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "f512f01ca49004d8a5ce824dd4f1a963a54d36705dd54f98f6aa018b6a208c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f512f01ca49004d8a5ce824dd4f1a963a54d36705dd54f98f6aa018b6a208c0f", kill_on_drop: false }`
[INFO] [stdout] f512f01ca49004d8a5ce824dd4f1a963a54d36705dd54f98f6aa018b6a208c0f
