[INFO] updating cached repository tripokey/destructor
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tripokey/destructor
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tripokey/destructor" "work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/tripokey/destructor"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/tripokey/destructor'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tripokey/destructor" "work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/tripokey/destructor"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/tripokey/destructor'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 99a9537b0f26cdc5c0c06061c81f65a8155efea7
[INFO] sha for GitHub repo tripokey/destructor: 99a9537b0f26cdc5c0c06061c81f65a8155efea7
[INFO] validating manifest of tripokey/destructor on toolchain master#efe2f32a6b8217425f361ec7c206910c611c03ee
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tripokey/destructor on toolchain try#78b0bd8441ef961f6475e3d47fe3bca38cb83432
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tripokey/destructor
[INFO] finished frobbing tripokey/destructor
[INFO] frobbed toml for tripokey/destructor written to work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/tripokey/destructor/Cargo.toml
[INFO] started frobbing tripokey/destructor
[INFO] finished frobbing tripokey/destructor
[INFO] frobbed toml for tripokey/destructor written to work/ex/pr-60039/sources/try#78b0bd8441ef961f6475e3d47fe3bca38cb83432/gh/tripokey/destructor/Cargo.toml
[INFO] crate tripokey/destructor already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78b0bd8441ef961f6475e3d47fe3bca38cb83432-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tripokey/destructor against master#efe2f32a6b8217425f361ec7c206910c611c03ee for pr-60039
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039/worker-4/master#efe2f32a6b8217425f361ec7c206910c611c03ee:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039/sources/master#efe2f32a6b8217425f361ec7c206910c611c03ee/gh/tripokey/destructor:/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" "+efe2f32a6b8217425f361ec7c206910c611c03ee-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 95ac47c9e1ba293666051f6a635554d6226e9f0653c447f4b69e1a9e59cbd96b
[INFO] running `"docker" "start" "-a" "95ac47c9e1ba293666051f6a635554d6226e9f0653c447f4b69e1a9e59cbd96b"`
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling arrayvec v0.4.9
[INFO] [stderr]     Checking nonzero_signed v1.0.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.11
[INFO] [stderr]     Checking seahash v3.0.5
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.26
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling wayland-scanner v0.21.7
[INFO] [stderr]     Checking colored v1.6.1
[INFO] [stderr]     Checking stb_truetype v0.2.5
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking ogg v0.7.0
[INFO] [stderr]     Checking hashbrown v0.1.7
[INFO] [stderr]     Checking inflate v0.4.4
[INFO] [stderr]     Checking phf_shared v0.7.23
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking nix v0.12.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking slice-deque v0.1.16
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]     Checking euclid v0.19.4
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]     Checking alsa-sys v0.1.2
[INFO] [stderr]    Compiling syn v0.15.23
[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] process didn't exit successfully: `/opt/crater/target/debug/build/rustc_version_runtime-0d2d3cb3a1af7c10/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:     0x561708812853 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h7f08204c27b0467a
[INFO] [stderr]                                at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
[INFO] [stderr]    1:     0x56170880e63b - std::sys_common::backtrace::_print::hd9dacd169df81122
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:71
[INFO] [stderr]    2:     0x5617088116e6 - std::panicking::default_hook::{{closure}}::hb63012d2be6755b2
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]                                at src/libstd/panicking.rs:197
[INFO] [stderr]    3:     0x561708811479 - std::panicking::default_hook::h3efd6a8a707ee89e
[INFO] [stderr]                                at src/libstd/panicking.rs:211
[INFO] [stderr]    4:     0x561708811d3f - std::panicking::rust_panic_with_hook::h4f5c00b20be3bea5
[INFO] [stderr]                                at src/libstd/panicking.rs:474
[INFO] [stderr]    5:     0x5617088118c1 - std::panicking::continue_panic_fmt::h59833cd39bf8ae68
[INFO] [stderr]                                at src/libstd/panicking.rs:381
[INFO] [stderr]    6:     0x5617088117a5 - rust_begin_unwind
[INFO] [stderr]                                at src/libstd/panicking.rs:308
[INFO] [stderr]    7:     0x561708826a0c - core::panicking::panic_fmt::h8d9101a62a895e30
[INFO] [stderr]                                at src/libcore/panicking.rs:85
[INFO] [stderr]    8:     0x5617087e1b02 - core::result::unwrap_failed::h1f91130c24d14a63
[INFO] [stderr]                                at /rustc/efe2f32a6b8217425f361ec7c206910c611c03ee/src/libcore/macros.rs:18
[INFO] [stderr]    9:     0x5617087e2036 - core::result::Result<T,E>::unwrap::h18260c9fe8a2c095
[INFO] [stderr]                                at /rustc/efe2f32a6b8217425f361ec7c206910c611c03ee/src/libcore/result.rs:800
[INFO] [stderr]   10:     0x5617087df90a - build_script_build::main::h6a51f6cf9976be4e
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27
[INFO] [stderr]   11:     0x5617087e10cf - std::rt::lang_start::{{closure}}::he414b1f74fc9657e
[INFO] [stderr]                                at /rustc/efe2f32a6b8217425f361ec7c206910c611c03ee/src/libstd/rt.rs:64
[INFO] [stderr]   12:     0x561708811792 - std::panicking::try::do_call::h44a7db9f8ace0499
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]                                at src/libstd/panicking.rs:293
[INFO] [stderr]   13:     0x561708817ef9 - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]   14:     0x56170881224c - std::rt::lang_start_internal::h5d2b2de4d9a7c9cd
[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:     0x5617087e10a8 - std::rt::lang_start::h9de1416a399bda22
[INFO] [stderr]                                at /rustc/efe2f32a6b8217425f361ec7c206910c611c03ee/src/libstd/rt.rs:64
[INFO] [stderr]   16:     0x5617087e0909 - main
[INFO] [stderr]   17:     0x7f37c3e592e0 - __libc_start_main
[INFO] [stderr]   18:     0x5617087df289 - _start
[INFO] [stderr]   19:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "95ac47c9e1ba293666051f6a635554d6226e9f0653c447f4b69e1a9e59cbd96b"`
[INFO] running `"docker" "rm" "-f" "95ac47c9e1ba293666051f6a635554d6226e9f0653c447f4b69e1a9e59cbd96b"`
[INFO] [stdout] 95ac47c9e1ba293666051f6a635554d6226e9f0653c447f4b69e1a9e59cbd96b