[INFO] cloning repository https://github.com/jimblandy/fxsnapshot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jimblandy/fxsnapshot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimblandy%2Ffxsnapshot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimblandy%2Ffxsnapshot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8c7eceaa6943fecf213e0ac89e9c5c329038792a [INFO] checking jimblandy/fxsnapshot against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimblandy%2Ffxsnapshot" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jimblandy/fxsnapshot on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jimblandy/fxsnapshot [INFO] finished tweaking git repo https://github.com/jimblandy/fxsnapshot [INFO] tweaked toml for git repo https://github.com/jimblandy/fxsnapshot written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/jimblandy/fxsnapshot already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating git repository `https://github.com/sfackler/rust-fallible-iterator.git` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ena v0.9.3 [INFO] [stderr] Downloaded docopt v0.8.3 [INFO] [stderr] Downloaded lalrpop-util v0.16.0 [INFO] [stderr] Downloaded lalrpop v0.16.0 [INFO] [stderr] Downloaded pb-rs v0.5.0 [INFO] [stderr] Downloaded lalrpop-snap v0.16.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d0ccaaf3729588c77bc058b5104374f5664d623fc5a4b66966a9892ec401e8c1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d0ccaaf3729588c77bc058b5104374f5664d623fc5a4b66966a9892ec401e8c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d0ccaaf3729588c77bc058b5104374f5664d623fc5a4b66966a9892ec401e8c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0ccaaf3729588c77bc058b5104374f5664d623fc5a4b66966a9892ec401e8c1", kill_on_drop: false }` [INFO] [stdout] d0ccaaf3729588c77bc058b5104374f5664d623fc5a4b66966a9892ec401e8c1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1ae5b0f88321264f6c146acf533547ccdf421c85551366d055bb92110f810c8b [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1ae5b0f88321264f6c146acf533547ccdf421c85551366d055bb92110f810c8b", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling proc-macro2 v0.4.19 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling cfg-if v0.1.5 [INFO] [stderr] Compiling rand_core v0.2.1 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Compiling serde v1.0.78 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling failure_derive v0.1.2 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling bit-vec v0.5.0 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling lalrpop-util v0.16.0 [INFO] [stderr] Compiling byte-tools v0.2.0 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling arrayref v0.3.5 [INFO] [stderr] Compiling rustc-demangle v0.1.9 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling termcolor v1.0.3 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Checking ucd-util v0.1.1 [INFO] [stderr] Checking utf8-ranges v1.0.1 [INFO] [stderr] Checking byteorder v1.2.6 [INFO] [stderr] Checking fallible-iterator v0.2.0 (https://github.com/sfackler/rust-fallible-iterator.git?rev=11ea3bf0e6ad2bc4f4fe220d6c3332942e5dfa35#11ea3bf0) [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling regex-syntax v0.6.2 [INFO] [stderr] Checking memchr v2.0.2 [INFO] [stderr] Checking memmap v0.6.2 [INFO] [stderr] Compiling itertools v0.7.8 [INFO] [stderr] Compiling log v0.4.5 [INFO] [stderr] Compiling humantime v1.1.1 [INFO] [stderr] Compiling block-buffer v0.3.3 [INFO] [stderr] Compiling textwrap v0.10.0 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling bit-set v0.5.0 [INFO] [stderr] Compiling new_debug_unreachable v1.0.1 [INFO] [stderr] Compiling nom v3.2.1 [INFO] [stderr] Checking aho-corasick v0.6.8 [INFO] [stderr] Checking lazy_static v1.1.0 [INFO] [stderr] Compiling ena v0.9.3 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling backtrace v0.3.9 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling syn v0.15.4 [INFO] [stderr] Compiling generic-array v0.9.0 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Compiling digest v0.7.5 [INFO] [stderr] Compiling string_cache_codegen v0.4.1 [INFO] [stderr] Compiling sha2 v0.7.1 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling synstructure v0.9.0 [INFO] [stderr] Compiling serde_derive v1.0.78 [INFO] [stderr] Compiling lalrpop-snap v0.16.0 [INFO] [stderr] Compiling failure v0.1.2 [INFO] [stderr] Compiling pb-rs v0.5.0 [INFO] [stderr] Checking quick-protobuf v0.6.3 [INFO] [stderr] Compiling docopt v0.8.3 [INFO] [stderr] Compiling lalrpop v0.16.0 [INFO] [stderr] error: failed to run custom build command for `lalrpop v0.16.0` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/lalrpop-49ac74e3136abb78/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] processing file `/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.16.0/src/parser/lrgrammar.lalrpop` [INFO] [stderr] [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" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.16.0/build.rs:4:34 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55a202f2b180 - std::backtrace_rs::backtrace::libunwind::trace::h4dee703919bfd40a [INFO] [stderr] at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55a202f2b180 - std::backtrace_rs::backtrace::trace_unsynchronized::h457e839f1a563e20 [INFO] [stderr] at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55a202f2b180 - std::sys_common::backtrace::_print_fmt::h86a55fb30f8393c8 [INFO] [stderr] at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55a202f2b180 - ::fmt::h7b3d6cac46d277e1 [INFO] [stderr] at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55a202f4778f - core::fmt::write::h127419eb46f2ecc9 [INFO] [stderr] at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/core/src/fmt/mod.rs:1092:17 [INFO] [stderr] 5: 0x55a202f289f2 - std::io::Write::write_fmt::h6010cfbb4726588b [INFO] [stderr] at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/io/mod.rs:1572:15 [INFO] [stderr] 6: 0x55a202f2d005 - std::sys_common::backtrace::_print::h79b4f9652330cc9d [INFO] [stderr] at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55a202f2d005 - std::sys_common::backtrace::print::h330bb326a76af8cf [INFO] [stderr] at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55a202f2d005 - std::panicking::default_hook::{{closure}}::heb6a42a7d50a472e [INFO] [stderr] at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55a202f2cab3 - std::panicking::default_hook::h17e521ba6d68d6e1 [INFO] [stderr] at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55a202f2d60d - std::panicking::rust_panic_with_hook::h70db735e3a6e70cb [INFO] [stderr] at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x55a202f2d1a7 - std::panicking::begin_panic_handler::{{closure}}::h777c71c8e5a7e25c [INFO] [stderr] at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x55a202f2b63c - std::sys_common::backtrace::__rust_end_short_backtrace::h3e9bf30168899554 [INFO] [stderr] at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55a202f2d109 - rust_begin_unwind [INFO] [stderr] at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x55a20266e6c1 - core::panicking::panic_fmt::h5322a082d19786c3 [INFO] [stderr] at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55a20266e5b3 - core::option::expect_none_failed::h354eaa93a51d71b8 [INFO] [stderr] at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/core/src/option.rs:1329:5 [INFO] [stderr] 16: 0x55a20266f400 - core::result::Result::unwrap::h3099532862ec6e7d [INFO] [stderr] at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x55a20266f4da - build_script_build::main::h4dca0197fd451f81 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.16.0/build.rs:4:5 [INFO] [stderr] 18: 0x55a20266f2cb - core::ops::function::FnOnce::call_once::hcd942b5290ffa9ea [INFO] [stderr] at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55a20266f1de - std::sys_common::backtrace::__rust_begin_short_backtrace::h18b35d3a3eedbe30 [INFO] [stderr] at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55a20266ef71 - std::rt::lang_start::{{closure}}::h4c9da79ff3ecf565 [INFO] [stderr] at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x55a202f2da0a - core::ops::function::impls:: for &F>::call_once::hbcc915e668c7ca11 [INFO] [stderr] at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55a202f2da0a - std::panicking::try::do_call::h6b0f430d48122ddf [INFO] [stderr] at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x55a202f2da0a - std::panicking::try::h6ba420e2e21b5afa [INFO] [stderr] at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x55a202f2da0a - std::panic::catch_unwind::h8366719d1f615eee [INFO] [stderr] at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/panic.rs:431:14 [INFO] [stderr] 25: 0x55a202f2da0a - std::rt::lang_start_internal::h965c28c9ce06ee73 [INFO] [stderr] at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x55a20266ef50 - std::rt::lang_start::h61f340b9d95ae769 [INFO] [stderr] at /rustc/32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x55a20266f4fc - main [INFO] [stderr] 28: 0x7ff54030e0b3 - __libc_start_main [INFO] [stderr] 29: 0x55a20266edce - _start [INFO] [stderr] 30: 0x0 - [INFO] running `Command { std: "docker" "inspect" "1ae5b0f88321264f6c146acf533547ccdf421c85551366d055bb92110f810c8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ae5b0f88321264f6c146acf533547ccdf421c85551366d055bb92110f810c8b", kill_on_drop: false }` [INFO] [stdout] 1ae5b0f88321264f6c146acf533547ccdf421c85551366d055bb92110f810c8b