[INFO] updating cached repository Miterion/adventofcode18
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Miterion/adventofcode18
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Miterion/adventofcode18" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/Miterion/adventofcode18"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/Miterion/adventofcode18'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Miterion/adventofcode18" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/Miterion/adventofcode18"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/Miterion/adventofcode18'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0a76089ddf0208e6b96182a28ba5c0366c019ec9
[INFO] sha for GitHub repo Miterion/adventofcode18: 0a76089ddf0208e6b96182a28ba5c0366c019ec9
[INFO] validating manifest of Miterion/adventofcode18 on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Miterion/adventofcode18 on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Miterion/adventofcode18
[INFO] finished frobbing Miterion/adventofcode18
[INFO] frobbed toml for Miterion/adventofcode18 written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/Miterion/adventofcode18/Cargo.toml
[INFO] started frobbing Miterion/adventofcode18
[INFO] finished frobbing Miterion/adventofcode18
[INFO] frobbed toml for Miterion/adventofcode18 written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/Miterion/adventofcode18/Cargo.toml
[INFO] crate Miterion/adventofcode18 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Miterion/adventofcode18 against master#0f88167f89fffe321590c5148f21b7d51d44388d for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-0/master#0f88167f89fffe321590c5148f21b7d51d44388d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/Miterion/adventofcode18:/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" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9b9fa176572257ec1614019a2b3314ff39161af5d41763f09f7f53f83810d5b2
[INFO] running `"docker" "start" "-a" "9b9fa176572257ec1614019a2b3314ff39161af5d41763f09f7f53f83810d5b2"`
[INFO] [stderr]    Compiling advent v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `advent v0.1.0 (/opt/crater/workdir)`
[INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/advent-c74cc0fcea2d4a7c/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:997:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x563415064ab3 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h3ea4e797e65a328d
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x563415060beb - std::sys_common::backtrace::_print::hf58574b7d5a741ab
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x563415063946 - std::panicking::default_hook::{{closure}}::hed8b316a41353ca9
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x5634150636d9 - std::panicking::default_hook::h8f4ba314e61c5eff
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x563415063f9f - std::panicking::rust_panic_with_hook::hde5d2bfa491b5add
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x563415063b21 - std::panicking::continue_panic_fmt::h928c357471014704
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x563415063a05 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x563415074f4c - core::panicking::panic_fmt::h5ab350f3b9a2b236
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x563414fe08c7 - core::result::unwrap_failed::h89d8d607c3707965
[INFO] [stderr]                                at /rustc/0f88167f89fffe321590c5148f21b7d51d44388d/src/libcore/macros.rs:16
[INFO] [stderr]    9:     0x563414f18e0a - core::result::Result<T,E>::unwrap::h22383a77efe3b4b2
[INFO] [stderr]                                at /rustc/0f88167f89fffe321590c5148f21b7d51d44388d/src/libcore/result.rs:798
[INFO] [stderr]   10:     0x563414f17054 - build_script_build::main::h89fb3dd79714be32
[INFO] [stderr]                                at /opt/crater/workdir/build.rs:15
[INFO] [stderr]   11:     0x563414f16e1f - std::rt::lang_start::{{closure}}::h811b95c0df0e2c2c
[INFO] [stderr]                                at /rustc/0f88167f89fffe321590c5148f21b7d51d44388d/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x5634150639f2 - std::panicking::try::do_call::h4d0b8ab9a9a539b3
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x563415066029 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:87
[INFO] [stderr]   14:     0x5634150644ac - std::rt::lang_start_internal::ha0d6f6b40879f3c3
[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:     0x563414f16df8 - std::rt::lang_start::hb8a1a6266f66f611
[INFO] [stderr]                                at /rustc/0f88167f89fffe321590c5148f21b7d51d44388d/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x563414f17b49 - main
[INFO] [stderr]   17:     0x7f5f269962e0 - __libc_start_main
[INFO] [stderr]   18:     0x563414f13e29 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "9b9fa176572257ec1614019a2b3314ff39161af5d41763f09f7f53f83810d5b2"`
[INFO] running `"docker" "rm" "-f" "9b9fa176572257ec1614019a2b3314ff39161af5d41763f09f7f53f83810d5b2"`
[INFO] [stdout] 9b9fa176572257ec1614019a2b3314ff39161af5d41763f09f7f53f83810d5b2