[INFO] updating cached repository scan/fyretail
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/scan/fyretail
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/scan/fyretail" "work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/scan/fyretail"`
[INFO] [stderr] Cloning into 'work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/scan/fyretail'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/scan/fyretail" "work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/scan/fyretail"`
[INFO] [stderr] Cloning into 'work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/scan/fyretail'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fca76ce269bd078316a046be794aeb57875d32eb
[INFO] sha for GitHub repo scan/fyretail: fca76ce269bd078316a046be794aeb57875d32eb
[INFO] validating manifest of scan/fyretail on toolchain master#7840a0b753a065a41999f1fb6028f67d33e3fdd5
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of scan/fyretail on toolchain try#6a9f0b6cc40687e25f9d772e3b10bab335c63853
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing scan/fyretail
[INFO] finished frobbing scan/fyretail
[INFO] frobbed toml for scan/fyretail written to work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/scan/fyretail/Cargo.toml
[INFO] started frobbing scan/fyretail
[INFO] finished frobbing scan/fyretail
[INFO] frobbed toml for scan/fyretail written to work/ex/pr-60466/sources/try#6a9f0b6cc40687e25f9d772e3b10bab335c63853/gh/scan/fyretail/Cargo.toml
[INFO] crate scan/fyretail already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+6a9f0b6cc40687e25f9d772e3b10bab335c63853-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking scan/fyretail against master#7840a0b753a065a41999f1fb6028f67d33e3fdd5 for pr-60466
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60466/worker-2/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60466/sources/master#7840a0b753a065a41999f1fb6028f67d33e3fdd5/gh/scan/fyretail:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+7840a0b753a065a41999f1fb6028f67d33e3fdd5-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a4c33cc100323ead6ad798a764d032101b0b5e84482dc2b34c09bb8d026ae672
[INFO] running `"docker" "start" "-a" "a4c33cc100323ead6ad798a764d032101b0b5e84482dc2b34c09bb8d026ae672"`
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]     Checking nonzero_signed v1.0.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.11
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]     Checking hashbrown v0.1.7
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]     Checking crossbeam-epoch v0.7.0
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling xcb v0.8.2
[INFO] [stderr]     Checking slice-deque v0.1.16
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking euclid v0.19.4
[INFO] [stderr]     Checking alsa-sys v0.1.2
[INFO] [stderr]     Checking intl_pluralrules v1.0.1
[INFO] [stderr]    Compiling rustc_version_runtime v0.1.5
[INFO] [stderr] error: failed to run custom build command for `rustc_version_runtime v0.1.5`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/rustc_version_runtime-adb7674d72c0ce66/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:     0x560cf157539a - backtrace::backtrace::libunwind::trace::h95cf0d6f90455f99
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.25/src/backtrace/libunwind.rs:97
[INFO] [stderr]    1:     0x560cf157539a - backtrace::backtrace::trace_unsynchronized::hf1bc4b307d386ce0
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.25/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x560cf157539a - std::sys_common::backtrace::_print::h17c85b34b8085bc3
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x560cf157539a - std::sys_common::backtrace::print::hcd95718fa811f3ee
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x560cf157539a - std::panicking::default_hook::{{closure}}::h9a777852f3c432bb
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    5:     0x560cf157509b - std::panicking::default_hook::h20a55232f8970617
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    6:     0x560cf1575a5f - std::panicking::rust_panic_with_hook::h5522dfdebc12d6f5
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    7:     0x560cf15755e1 - std::panicking::continue_panic_fmt::h2e20e3cd1b619a34
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    8:     0x560cf15754c5 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    9:     0x560cf158e9fc - core::panicking::panic_fmt::he1d95cf9fc209195
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]   10:     0x560cf1544942 - core::result::unwrap_failed::h994900a73750514b
[INFO] [stderr]                                at /rustc/7840a0b753a065a41999f1fb6028f67d33e3fdd5/src/libcore/macros.rs:18
[INFO] [stderr]   11:     0x560cf1544cd7 - core::result::Result<T,E>::unwrap::he54f120bf8de54ab
[INFO] [stderr]                                at /rustc/7840a0b753a065a41999f1fb6028f67d33e3fdd5/src/libcore/result.rs:800
[INFO] [stderr]   12:     0x560cf15424da - build_script_build::main::h38c85ec57812a8fb
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27
[INFO] [stderr]   13:     0x560cf1543c8f - std::rt::lang_start::{{closure}}::hd71318a97186e9ab
[INFO] [stderr]                                at /rustc/7840a0b753a065a41999f1fb6028f67d33e3fdd5/src/libstd/rt.rs:64
[INFO] [stderr]   14:     0x560cf15754b2 - std::rt::lang_start_internal::{{closure}}::h6ec740df5798a70a
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   15:     0x560cf15754b2 - std::panicking::try::do_call::h93c284c7f36c2a33
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   16:     0x560cf157bb99 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   17:     0x560cf1575f6c - std::panicking::try::h3886393c741bda4e
[INFO] [stderr]                                at src/libstd/panicking.rs:272
[INFO] [stderr]   18:     0x560cf1575f6c - std::panic::catch_unwind::ha7941002b1d0656b
[INFO] [stderr]                                at src/libstd/panic.rs:388
[INFO] [stderr]   19:     0x560cf1575f6c - std::rt::lang_start_internal::h1525a1979960fe11
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   20:     0x560cf1543c68 - std::rt::lang_start::h4c22178606c1813e
[INFO] [stderr]                                at /rustc/7840a0b753a065a41999f1fb6028f67d33e3fdd5/src/libstd/rt.rs:64
[INFO] [stderr]   21:     0x560cf15434d9 - main
[INFO] [stderr]   22:     0x7fb3ade152e0 - __libc_start_main
[INFO] [stderr]   23:     0x560cf1541e59 - _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" "a4c33cc100323ead6ad798a764d032101b0b5e84482dc2b34c09bb8d026ae672"`
[INFO] running `"docker" "rm" "-f" "a4c33cc100323ead6ad798a764d032101b0b5e84482dc2b34c09bb8d026ae672"`
[INFO] [stdout] a4c33cc100323ead6ad798a764d032101b0b5e84482dc2b34c09bb8d026ae672