[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] building Kerollmops/linen against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKerollmops%2Flinen" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kerollmops/linen on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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-4/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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f83b07c20562d98036eb64e52318bf26c6194b408ac93cb0bd4b9b33f8b6a57b
[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" "f83b07c20562d98036eb64e52318bf26c6194b408ac93cb0bd4b9b33f8b6a57b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f83b07c20562d98036eb64e52318bf26c6194b408ac93cb0bd4b9b33f8b6a57b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f83b07c20562d98036eb64e52318bf26c6194b408ac93cb0bd4b9b33f8b6a57b", kill_on_drop: false }`
[INFO] [stdout] f83b07c20562d98036eb64e52318bf26c6194b408ac93cb0bd4b9b33f8b6a57b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5758619867b3dafc080d3f0c7aa2057cbd74cdf2b6925085796f8b8417bdbe24
[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" "5758619867b3dafc080d3f0c7aa2057cbd74cdf2b6925085796f8b8417bdbe24", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling libloading v0.4.2
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling cl-sys v0.4.0
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling bindgen v0.31.3 (https://github.com/rust-lang-nursery/rust-bindgen.git?branch=master#433e9c05)
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling clang-sys v0.21.0
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.3
[INFO] [stderr]    Compiling which v1.0.3
[INFO] [stderr]    Compiling clap v2.27.1
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling 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] [stderr]    Compiling linen v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-Wl,--as-needed" "-L" "/opt/rustwide/rustup-home/toolchains/ff34b919075f35a1787659e9c448a34b06bab8de/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/linen_core-72d33e233b8d532b.linen_core.bav0ch1y-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/linen_core-72d33e233b8d532b.linen_core.bav0ch1y-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/linen_core-72d33e233b8d532b.linen_core.bav0ch1y-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/linen_core-72d33e233b8d532b.linen_core.bav0ch1y-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/linen_core-72d33e233b8d532b.linen_core.bav0ch1y-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/linen_core-72d33e233b8d532b.linen_core.bav0ch1y-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/linen_core-72d33e233b8d532b.linen_core.bav0ch1y-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/linen_core-72d33e233b8d532b.linen_core.bav0ch1y-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/linen_core-72d33e233b8d532b.linen_core.bav0ch1y-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/linen_core-72d33e233b8d532b.linen_core.bav0ch1y-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/linen_core-72d33e233b8d532b.linen_core.bav0ch1y-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/linen_core-72d33e233b8d532b.linen_core.bav0ch1y-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/linen_core-72d33e233b8d532b.linen_core.bav0ch1y-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/linen_core-72d33e233b8d532b.linen_core.bav0ch1y-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/linen_core-72d33e233b8d532b.linen_core.bav0ch1y-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/linen_core-72d33e233b8d532b.linen_core.bav0ch1y-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/linen_core-72d33e233b8d532b" "/opt/rustwide/target/debug/deps/linen_core-72d33e233b8d532b.3m75vbbhjzizk698.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/ff34b919075f35a1787659e9c448a34b06bab8de/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/liblinen_core-f737ce32de3478ae.rlib" "/opt/rustwide/target/debug/deps/libcl_sys-acfc1e86bfdb7ce0.rlib" "/opt/rustwide/target/debug/deps/liblibc-2bb794af7d0dff71.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/ff34b919075f35a1787659e9c448a34b06bab8de/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-c6dddd3d354e6bea.rlib" "/opt/rustwide/rustup-home/toolchains/ff34b919075f35a1787659e9c448a34b06bab8de/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-c2ca47afdcc5e309.rlib" "/opt/rustwide/rustup-home/toolchains/ff34b919075f35a1787659e9c448a34b06bab8de/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-b47be2942017e108.rlib" "/opt/rustwide/rustup-home/toolchains/ff34b919075f35a1787659e9c448a34b06bab8de/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-20a1e49116ab0df9.rlib" "/opt/rustwide/rustup-home/toolchains/ff34b919075f35a1787659e9c448a34b06bab8de/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-25e09d9868291683.rlib" "/opt/rustwide/rustup-home/toolchains/ff34b919075f35a1787659e9c448a34b06bab8de/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-9c99fb6e5ca5159e.rlib" "/opt/rustwide/rustup-home/toolchains/ff34b919075f35a1787659e9c448a34b06bab8de/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-85040d7563599960.rlib" "/opt/rustwide/rustup-home/toolchains/ff34b919075f35a1787659e9c448a34b06bab8de/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-0e4f7587da8acf20.rlib" "/opt/rustwide/rustup-home/toolchains/ff34b919075f35a1787659e9c448a34b06bab8de/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7be0a6711ed15b5c.rlib" "/opt/rustwide/rustup-home/toolchains/ff34b919075f35a1787659e9c448a34b06bab8de/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-00672fabc4ff9c9d.rlib" "/opt/rustwide/rustup-home/toolchains/ff34b919075f35a1787659e9c448a34b06bab8de/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-72fe231ef0473d15.rlib" "/opt/rustwide/rustup-home/toolchains/ff34b919075f35a1787659e9c448a34b06bab8de/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-019d54ecc304b655.rlib" "/opt/rustwide/rustup-home/toolchains/ff34b919075f35a1787659e9c448a34b06bab8de/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-cc7d9343e4f608be.rlib" "/opt/rustwide/rustup-home/toolchains/ff34b919075f35a1787659e9c448a34b06bab8de/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-e41c6d24baeb2249.rlib" "/opt/rustwide/rustup-home/toolchains/ff34b919075f35a1787659e9c448a34b06bab8de/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9849bb0fbad7f0f5.rlib" "/opt/rustwide/rustup-home/toolchains/ff34b919075f35a1787659e9c448a34b06bab8de/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-a1fd7734706d5518.rlib" "/opt/rustwide/rustup-home/toolchains/ff34b919075f35a1787659e9c448a34b06bab8de/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-c8ded1707ad10767.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/ff34b919075f35a1787659e9c448a34b06bab8de/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-8b33f9cbbc9652fe.rlib" "-Wl,-Bdynamic" "-lOpenCL" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -lOpenCL
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `linen-core`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "5758619867b3dafc080d3f0c7aa2057cbd74cdf2b6925085796f8b8417bdbe24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5758619867b3dafc080d3f0c7aa2057cbd74cdf2b6925085796f8b8417bdbe24", kill_on_drop: false }`
[INFO] [stdout] 5758619867b3dafc080d3f0c7aa2057cbd74cdf2b6925085796f8b8417bdbe24
