[INFO] crate saiko 0.1.2 is already in cache
[INFO] extracting crate saiko 0.1.2 into work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/saiko/0.1.2
[INFO] extracting crate saiko 0.1.2 into work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/saiko/0.1.2
[INFO] validating manifest of saiko-0.1.2 on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of saiko-0.1.2 on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing saiko-0.1.2
[INFO] finished frobbing saiko-0.1.2
[INFO] frobbed toml for saiko-0.1.2 written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/reg/saiko/0.1.2/Cargo.toml
[INFO] started frobbing saiko-0.1.2
[INFO] finished frobbing saiko-0.1.2
[INFO] frobbed toml for saiko-0.1.2 written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/saiko/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking saiko-0.1.2 against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-4/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/reg/saiko/0.1.2:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b01505bdf88376947650e85ab3b70706407f9879bacd7748bdb2fe1f6605e607
[INFO] running `"docker" "start" "-a" "b01505bdf88376947650e85ab3b70706407f9879bacd7748bdb2fe1f6605e607"`
[INFO] [stderr]    Compiling serde-xml-rs v0.3.1
[INFO] [stderr]    Compiling wayland_protocol_scanner v0.1.0
[INFO] [stderr]    Compiling wayland_protocol_code_generator v0.1.2
[INFO] [stderr]    Compiling saiko v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `saiko v0.1.2 (/opt/crater/workdir)`
[INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/saiko-d3f01912f4231170/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:999:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55730f844263 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::hd6044dfeffbe6bc9
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x55730f83fc2b - std::sys_common::backtrace::_print::ha38c61f902893aa1
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x55730f842f66 - std::panicking::default_hook::{{closure}}::hc23f0deab92db57e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x55730f842cf9 - std::panicking::default_hook::h22e6a9b14b08978d
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x55730f84366f - std::panicking::rust_panic_with_hook::h364c7f0687e3f132
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x55730f8431f1 - std::panicking::continue_panic_fmt::h65483a24e7c9b125
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x55730f8430d5 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x55730f85bd2c - core::panicking::panic_fmt::h01a0643444850703
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x55730f6d0422 - core::result::unwrap_failed::h572fbd957ff30101
[INFO] [stderr]                                at /rustc/99a7498759a22b5684caf798a98b7e90ad9d2443/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x55730f6d08d6 - core::result::Result<T,E>::unwrap::h6a2a5ec92feef1d3
[INFO] [stderr]                                at /rustc/99a7498759a22b5684caf798a98b7e90ad9d2443/src/libcore/result.rs:800
[INFO] [stderr]   10:     0x55730f6cd584 - build_script_build::main::hb128b5d27cc33f7a
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:10
[INFO] [stderr]   11:     0x55730f6cd7cf - std::rt::lang_start::{{closure}}::hc7beb5d3e68e2652
[INFO] [stderr]                                at /rustc/99a7498759a22b5684caf798a98b7e90ad9d2443/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x55730f843072 - std::panicking::try::do_call::h44bcc8f6acc6d1e5
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x55730f849ae9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   14:     0x55730f843c3c - std::rt::lang_start_internal::he5dbfb20eb9daaa6
[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:     0x55730f6cd7a8 - std::rt::lang_start::h3fe1d3541e7d9798
[INFO] [stderr]                                at /rustc/99a7498759a22b5684caf798a98b7e90ad9d2443/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x55730f6cd749 - main
[INFO] [stderr]   17:     0x7f35bb3432e0 - __libc_start_main
[INFO] [stderr]   18:     0x55730f6ca809 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "b01505bdf88376947650e85ab3b70706407f9879bacd7748bdb2fe1f6605e607"`
[INFO] running `"docker" "rm" "-f" "b01505bdf88376947650e85ab3b70706407f9879bacd7748bdb2fe1f6605e607"`
[INFO] [stdout] b01505bdf88376947650e85ab3b70706407f9879bacd7748bdb2fe1f6605e607