[INFO] updating cached repository d33d33/beamium
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/d33d33/beamium
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/d33d33/beamium" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/d33d33/beamium"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/d33d33/beamium'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/d33d33/beamium" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/d33d33/beamium"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/d33d33/beamium'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b26f1e0e562c1ee1215cb7403327b40ae211e6d6
[INFO] sha for GitHub repo d33d33/beamium: b26f1e0e562c1ee1215cb7403327b40ae211e6d6
[INFO] validating manifest of d33d33/beamium on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of d33d33/beamium on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing d33d33/beamium
[INFO] finished frobbing d33d33/beamium
[INFO] frobbed toml for d33d33/beamium written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/d33d33/beamium/Cargo.toml
[INFO] started frobbing d33d33/beamium
[INFO] finished frobbing d33d33/beamium
[INFO] frobbed toml for d33d33/beamium written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/d33d33/beamium/Cargo.toml
[INFO] crate d33d33/beamium already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking d33d33/beamium against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-7/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/d33d33/beamium:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 04dc5a00659dd4a6c4d0a5643724323cabef338b395c4b54c7eee88d11ea3634
[INFO] running `"docker" "start" "-a" "04dc5a00659dd4a6c4d0a5643724323cabef338b395c4b54c7eee88d11ea3634"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking slog v1.7.1
[INFO] [stderr]    Compiling beamium v1.7.1 (/opt/crater/workdir)
[INFO] [stderr]     Checking take_mut v0.2.0
[INFO] [stderr]     Checking slog v2.1.1
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]     Checking ctrlc v3.1.0
[INFO] [stderr]     Checking regex v0.2.6
[INFO] [stderr]     Checking nix v0.7.0
[INFO] [stderr]     Checking slog-scope v4.0.1
[INFO] [stderr]     Checking slog-term v2.3.0
[INFO] [stderr]     Checking slog-async v2.2.0
[INFO] [stderr]     Checking slog-extra v0.1.2
[INFO] [stderr]     Checking tokio-io-timeout v0.1.3
[INFO] [stderr]     Checking syslog v3.3.0
[INFO] [stderr]     Checking hyper-tls v0.1.2
[INFO] [stderr]     Checking slog-stream v1.2.1
[INFO] [stderr] error: failed to run custom build command for `beamium v1.7.1 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/beamium-fe3490ca7c205e28/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:1084:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55f30ace602b - backtrace::backtrace::libunwind::trace::h80786597adfabf72
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55f30ace602b - backtrace::backtrace::trace_unsynchronized::hcac650387ca20819
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55f30ace602b - std::sys_common::backtrace::_print::h1b9354ff68cb5a2b
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x55f30ace602b - std::sys_common::backtrace::print::hee32569be499cf66
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x55f30ace602b - std::panicking::default_hook::{{closure}}::h57d4a5a18212e6c4
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x55f30ace5d06 - std::panicking::default_hook::h6b5ac8e0c8ee81de
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x55f30ace66ed - std::panicking::rust_panic_with_hook::h087293a0d0382d86
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x55f30ace6272 - std::panicking::continue_panic_fmt::h5398c0b14056de59
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x55f30ace6156 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:311
[INFO] [stderr]    9:     0x55f30acff90d - core::panicking::panic_fmt::hc22ef80bd93ddcf4
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x55f30acffa07 - core::result::unwrap_failed::h52618310aa6d47ad
[INFO] [stderr]                                at src/libcore/result.rs:1084
[INFO] [stderr]   11:     0x55f30acdc050 - core::result::Result<T,E>::unwrap::hb4193a58abdba040
[INFO] [stderr]                                at /rustc/b5c7f157c20453dde8d47371abe73b32351b4e7f/src/libcore/result.rs:852
[INFO] [stderr]   12:     0x55f30acdacd6 - build_script_build::main::h68d5adb461fa381e
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:29
[INFO] [stderr]   13:     0x55f30acd5c60 - std::rt::lang_start::{{closure}}::h56a1bdfb035678c5
[INFO] [stderr]                                at /rustc/b5c7f157c20453dde8d47371abe73b32351b4e7f/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x55f30ace6143 - std::rt::lang_start_internal::{{closure}}::h1a060554ddace6f7
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x55f30ace6143 - std::panicking::try::do_call::h36cfd8d9c1d0d936
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   16:     0x55f30acec81a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   17:     0x55f30ace6bfd - std::panicking::try::h225224763b892cde
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   18:     0x55f30ace6bfd - std::panic::catch_unwind::h3043ed737cbd6e8e
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   19:     0x55f30ace6bfd - std::rt::lang_start_internal::h97b8d999a39debed
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x55f30acd5c39 - std::rt::lang_start::hef0bb04c45a26456
[INFO] [stderr]                                at /rustc/b5c7f157c20453dde8d47371abe73b32351b4e7f/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x55f30acdae4a - main
[INFO] [stderr]   22:     0x7fa7b8c372e1 - __libc_start_main
[INFO] [stderr]   23:     0x55f30accfc2a - _start
[INFO] [stderr]   24:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "04dc5a00659dd4a6c4d0a5643724323cabef338b395c4b54c7eee88d11ea3634"`
[INFO] running `"docker" "rm" "-f" "04dc5a00659dd4a6c4d0a5643724323cabef338b395c4b54c7eee88d11ea3634"`
[INFO] [stdout] 04dc5a00659dd4a6c4d0a5643724323cabef338b395c4b54c7eee88d11ea3634