[INFO] updating cached repository hamaluik/cefsimple-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hamaluik/cefsimple-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hamaluik/cefsimple-rs" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/hamaluik/cefsimple-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/hamaluik/cefsimple-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hamaluik/cefsimple-rs" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/hamaluik/cefsimple-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/hamaluik/cefsimple-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a3422a9838d86609607dbcec5d03fcae2b268609
[INFO] sha for GitHub repo hamaluik/cefsimple-rs: a3422a9838d86609607dbcec5d03fcae2b268609
[INFO] validating manifest of hamaluik/cefsimple-rs on toolchain master#1891bfa80364eead426517c68de6947b7692e2de
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hamaluik/cefsimple-rs on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hamaluik/cefsimple-rs
[INFO] finished frobbing hamaluik/cefsimple-rs
[INFO] frobbed toml for hamaluik/cefsimple-rs written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/hamaluik/cefsimple-rs/Cargo.toml
[INFO] started frobbing hamaluik/cefsimple-rs
[INFO] finished frobbing hamaluik/cefsimple-rs
[INFO] frobbed toml for hamaluik/cefsimple-rs written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/hamaluik/cefsimple-rs/Cargo.toml
[INFO] crate hamaluik/cefsimple-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking hamaluik/cefsimple-rs against master#1891bfa80364eead426517c68de6947b7692e2de for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-4/master#1891bfa80364eead426517c68de6947b7692e2de:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/hamaluik/cefsimple-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] aec1f437812014c6e30d2c89be9d4d5a055d6eed72dd13d377e1d8427115051a
[INFO] running `"docker" "start" "-a" "aec1f437812014c6e30d2c89be9d4d5a055d6eed72dd13d377e1d8427115051a"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling bindgen v0.47.3
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling nom v4.2.1
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling hashbrown v0.1.8
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling cexpr v0.3.4
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling cefsimple-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `cefsimple-rs v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/cefsimple-rs-97c8c498f0bec220/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] cargo:rustc-link-lib=cef
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] error: 'rustfmt' is not installed for the toolchain '1891bfa80364eead426517c68de6947b7692e2de-alt'
[INFO] [stderr] To install, run `rustup component add rustfmt --toolchain 1891bfa80364eead426517c68de6947b7692e2de-alt`
[INFO] [stderr] Failed to run rustfmt: Internal rustfmt error (non-fatal, continuing)
[INFO] [stderr] thread 'main' panicked at 'couldn't create bindings file!: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55bae6603fe3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hf442c630213d5c0e
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55bae65ffb1b - std::sys_common::backtrace::_print::h1f9138ed6351d2a8
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55bae6602d26 - std::panicking::default_hook::{{closure}}::he2d7aa18e306aa14
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x55bae6602ab9 - std::panicking::default_hook::he86a971ed90f2b8f
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55bae660342f - std::panicking::rust_panic_with_hook::h8e0ec1fb63564a4a
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55bae6602fb1 - std::panicking::continue_panic_fmt::h5758ee73634469f4
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x55bae6602e95 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x55bae661e99c - core::panicking::panic_fmt::h6452504f8f87dea7
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x55bae6128ac7 - core::result::unwrap_failed::hd46e2e07d7bdd744
[INFO] [stderr]                                at /rustc/1891bfa80364eead426517c68de6947b7692e2de/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x55bae5fbacd2 - core::result::Result<T,E>::expect::h6c00915f24dd4c10
[INFO] [stderr]                                at /rustc/1891bfa80364eead426517c68de6947b7692e2de/src/libcore/result.rs:827
[INFO] [stderr]   10:     0x55bae5fb8d10 - build_script_build::main::h71bc7dc36f8d6904
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:34
[INFO] [stderr]   11:     0x55bae5fba13f - std::rt::lang_start::{{closure}}::h797c91383fec6096
[INFO] [stderr]                                at /rustc/1891bfa80364eead426517c68de6947b7692e2de/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x55bae6602e32 - std::panicking::try::do_call::h7aa8c4760020085d
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x55bae660b189 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   14:     0x55bae660393c - std::rt::lang_start_internal::hecae08ecaa28013a
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   15:     0x55bae5fba118 - std::rt::lang_start::h6ca2e235fad3814d
[INFO] [stderr]                                at /rustc/1891bfa80364eead426517c68de6947b7692e2de/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x55bae5fb9229 - main
[INFO] [stderr]   17:     0x7fb588f622e0 - __libc_start_main
[INFO] [stderr]   18:     0x55bae5fb8259 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "aec1f437812014c6e30d2c89be9d4d5a055d6eed72dd13d377e1d8427115051a"`
[INFO] running `"docker" "rm" "-f" "aec1f437812014c6e30d2c89be9d4d5a055d6eed72dd13d377e1d8427115051a"`
[INFO] [stdout] aec1f437812014c6e30d2c89be9d4d5a055d6eed72dd13d377e1d8427115051a