[INFO] updating cached repository https://github.com/ashtuchkin/rypt
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f274d94fa23d10c56a2b74739ccffdeb94e8d097
[INFO] checking ashtuchkin/rypt against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fashtuchkin%2Frypt" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ashtuchkin/rypt on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ashtuchkin/rypt
[INFO] finished tweaking git repo https://github.com/ashtuchkin/rypt
[INFO] tweaked toml for git repo https://github.com/ashtuchkin/rypt written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ashtuchkin/rypt already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 167a973e6f82c689c242ab2b4c67ac701eca970b94a929ca28394d78a615ade6
[INFO] running `"docker" "start" "-a" "167a973e6f82c689c242ab2b4c67ac701eca970b94a929ca28394d78a615ade6"`
[INFO] [stderr]    Compiling syn v1.0.2
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling libsodium-sys v0.2.2
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling tempfile v3.0.8
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]     Checking quickcheck v0.8.5
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling prost-derive v0.5.0
[INFO] [stderr]    Compiling prost-build v0.5.0
[INFO] [stderr]    Compiling prost v0.5.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.9
[INFO] [stderr]    Compiling prost-types v0.5.0
[INFO] [stderr]    Compiling hex-literal-impl v0.2.0
[INFO] [stderr]     Checking hex-literal v0.2.0
[INFO] [stderr]    Compiling rypt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `rypt v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/rypt-63778dbf4ce87922/build-script-build` (exit code: 1)
[INFO] [stderr] --- stderr
[INFO] [stderr] Error: Os { code: 30, kind: Other, message: "Read-only file system" }
[INFO] [stderr] 
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0: failure::backtrace::internal::InternalBacktrace::new::h911d640d44a80400 (0x55d2ceeeba2f)
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/internal.rs:44
[INFO] [stderr]    1: failure::backtrace::Backtrace::new::h9e2504732e8b1b21 (0x55d2ceeeb4de)
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/mod.rs:111
[INFO] [stderr]    2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::hb9c8235295950ab7 (0x55d2cedc5afc)
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/error_impl.rs:19
[INFO] [stderr]    3: <failure::error::Error as core::convert::From<F>>::from::h49a2701dd9fc3a7a (0x55d2cedee28f)
[INFO] [stderr]              at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/mod.rs:36
[INFO] [stderr]    4: build_script_build::main::hd16f819c5bacb59d (0x55d2cedf14ee)
[INFO] [stderr]              at /opt/rustwide/workdir/build.rs:28
[INFO] [stderr]    5: std::rt::lang_start::{{closure}}::hf8177baa7da1e414 (0x55d2cede85d0)
[INFO] [stderr]              at /rustc/c9edc02e8320a9e5799d185910ece7d491f524e6/src/libstd/rt.rs:64
[INFO] [stderr]    6: std::rt::lang_start_internal::{{closure}}::he2a0afb5b578106e (0x55d2cef331b3)
[INFO] [stderr]              at src/libstd/rt.rs:49
[INFO] [stderr]       std::panicking::try::do_call::h30da202735d45c24
[INFO] [stderr]              at src/libstd/panicking.rs:296
[INFO] [stderr]    7: __rust_maybe_catch_panic (0x55d2cef3a02a)
[INFO] [stderr]              at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]    8: std::panicking::try::h974d473864a5ddd4 (0x55d2cef33c7d)
[INFO] [stderr]              at src/libstd/panicking.rs:275
[INFO] [stderr]       std::panic::catch_unwind::h3bd08da23b55a60b
[INFO] [stderr]              at src/libstd/panic.rs:394
[INFO] [stderr]       std::rt::lang_start_internal::hf97f79993a3eaf6a
[INFO] [stderr]              at src/libstd/rt.rs:48
[INFO] [stderr]    9: std::rt::lang_start::h08a75dfab590647b (0x55d2cede85a9)
[INFO] [stderr]              at /rustc/c9edc02e8320a9e5799d185910ece7d491f524e6/src/libstd/rt.rs:64
[INFO] [stderr]   10: main (0x55d2cedf173a)
[INFO] [stderr]   11: __libc_start_main (0x7f887fe482e1)
[INFO] [stderr]   12: _start (0x55d2ceda091a)
[INFO] [stderr]   13: <unknown> (0x0)
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "167a973e6f82c689c242ab2b4c67ac701eca970b94a929ca28394d78a615ade6"`
[INFO] running `"docker" "rm" "-f" "167a973e6f82c689c242ab2b4c67ac701eca970b94a929ca28394d78a615ade6"`
[INFO] [stdout] 167a973e6f82c689c242ab2b4c67ac701eca970b94a929ca28394d78a615ade6