[INFO] fetching crate klwext4_rust 0.2.0...
[INFO] testing klwext4_rust-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate klwext4_rust 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate klwext4_rust 0.2.0
[INFO] finished tweaking crates.io crate klwext4_rust 0.2.0
[INFO] tweaked toml for crates.io crate klwext4_rust 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate klwext4_rust 0.2.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate klwext4_rust 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded printf-compat v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3073bcffa38e0eb6148813d1df2a5fc962d8f4bd68efd42fa3c2036c00b29ce
[INFO] running `Command { std: "docker" "start" "-a" "e3073bcffa38e0eb6148813d1df2a5fc962d8f4bd68efd42fa3c2036c00b29ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3073bcffa38e0eb6148813d1df2a5fc962d8f4bd68efd42fa3c2036c00b29ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3073bcffa38e0eb6148813d1df2a5fc962d8f4bd68efd42fa3c2036c00b29ce", kill_on_drop: false }`
[INFO] [stdout] e3073bcffa38e0eb6148813d1df2a5fc962d8f4bd68efd42fa3c2036c00b29ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6997052e1a9462ea60aa153c3262202172cd5fd5ba560e3ae0f366046efe12d
[INFO] running `Command { std: "docker" "start" "-a" "a6997052e1a9462ea60aa153c3262202172cd5fd5ba560e3ae0f366046efe12d", kill_on_drop: false }`
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling bindgen v0.72.1
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling printf-compat v0.3.1
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling klwext4_rust v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `klwext4_rust v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/klwext4_rust-e6b977e8c361b7aa/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   make: Entering directory '/opt/rustwide/workdir/c/lwext4'
[INFO] [stderr]   rm -R -f /opt/rustwide/target/debug/build/klwext4_rust-10dcfe134ab6099a/out/build_musl-generic
[INFO] [stderr]   mkdir -p /opt/rustwide/target/debug/build/klwext4_rust-10dcfe134ab6099a/out/build_musl-generic
[INFO] [stderr]   cd /opt/rustwide/target/debug/build/klwext4_rust-10dcfe134ab6099a/out/build_musl-generic && cmake -G"Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DVERSION_MAJOR=1 -DVERSION_MINOR=0 -DVERSION_PATCH=0 -DVERSION=1.0.0- -DLWEXT4_BUILD_SHARED_LIB=OFF -DLWEXT4_ULIBC=OFF -DCMAKE_C_COMPILER_WORKS=1 -DCMAKE_INSTALL_PREFIX=./install   -DCMAKE_TOOLCHAIN_FILE=/opt/rustwide/workdir/c/lwext4/toolchain/musl-generic.cmake /opt/rustwide/workdir/c/lwext4
[INFO] [stderr]   -- The C compiler identification is unknown
[INFO] [stderr]   -- Configuring incomplete, errors occurred!
[INFO] [stderr]   make: Leaving directory '/opt/rustwide/workdir/c/lwext4'
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   fatal: not a git repository (or any parent up to mount point /opt/rustwide)
[INFO] [stderr]   Stopping at filesystem boundary (GIT_DISCOVERY_ACROSS_FILESYSTEM not set).
[INFO] [stderr]   CMake Error at CMakeLists.txt:2 (project):
[INFO] [stderr]     The CMAKE_C_COMPILER:
[INFO] [stderr] 
[INFO] [stderr]       x86_64-linux-musl-cc
[INFO] [stderr] 
[INFO] [stderr]     is not a full path and was not found in the PATH.
[INFO] [stderr] 
[INFO] [stderr]     Tell CMake where to find the compiler by setting either the environment
[INFO] [stderr]     variable "CC" or the CMake cache entry CMAKE_C_COMPILER to the full path to
[INFO] [stderr]     the compiler, or to the compiler name if it is in the PATH.
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   make: *** [Makefile:44: musl-generic] Error 1
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (399) panicked at build.rs:32:9:
[INFO] [stderr]   assertion failed: status.success()
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55e84fc151fa - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x55e84fc151fa - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x55e84fc151fa - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x55e84fc151fa - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x55e84fc2aa7a - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x55e84fc2aa7a - core[fa0eadad68403074]::fmt::write
[INFO] [stderr]      6:     0x55e84fc1a162 - std[31e582c13f4e914f]::io::default_write_fmt::<std[31e582c13f4e914f]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x55e84fc1a162 - <std[31e582c13f4e914f]::sys::stdio::unix::Stderr as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x55e84fbf6c4f - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x55e84fbf6c4f - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x55e84fc0f711 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x55e84fc0f98b - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x55e84fbf6d3a - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:691:13
[INFO] [stderr]     13:     0x55e84fbebc49 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x55e84fbf770d - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x55e84fc2b2bc - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x55e84fc2b282 - core[fa0eadad68403074]::panicking::panic
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:150:5
[INFO] [stderr]     17:     0x55e84f692c0e - build_script_build[e648a8a5ce122938]::main
[INFO] [stderr]     18:     0x55e84f694ed3 - <fn() as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x55e84f691846 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x55e84f691859 - std[31e582c13f4e914f]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x55e84fc0e774 - <&dyn core[fa0eadad68403074]::ops::function::Fn<(), Output = i32> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x55e84fc0e774 - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<&dyn core[fa0eadad68403074]::ops::function::Fn<(), Output = i32> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stderr]     23:     0x55e84fc0e774 - std[31e582c13f4e914f]::panicking::catch_unwind::<i32, &dyn core[fa0eadad68403074]::ops::function::Fn<(), Output = i32> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stderr]     24:     0x55e84fc0e774 - std[31e582c13f4e914f]::panic::catch_unwind::<&dyn core[fa0eadad68403074]::ops::function::Fn<(), Output = i32> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x55e84fc0e774 - std[31e582c13f4e914f]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x55e84fc0e774 - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<std[31e582c13f4e914f]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stderr]     27:     0x55e84fc0e774 - std[31e582c13f4e914f]::panicking::catch_unwind::<isize, std[31e582c13f4e914f]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x55e84fc0e774 - std[31e582c13f4e914f]::panic::catch_unwind::<std[31e582c13f4e914f]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x55e84fc0e774 - std[31e582c13f4e914f]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x55e84f691401 - std[31e582c13f4e914f]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x55e84f695355 - main
[INFO] [stderr]     32:     0x78bec8d961ca - <unknown>
[INFO] [stderr]     33:     0x78bec8d9628b - __libc_start_main
[INFO] [stderr]     34:     0x55e84f690535 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "a6997052e1a9462ea60aa153c3262202172cd5fd5ba560e3ae0f366046efe12d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6997052e1a9462ea60aa153c3262202172cd5fd5ba560e3ae0f366046efe12d", kill_on_drop: false }`
[INFO] [stdout] a6997052e1a9462ea60aa153c3262202172cd5fd5ba560e3ae0f366046efe12d