[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] testing jimblandy/fxsnapshot against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [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 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", 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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ee2fc973e7b15f3225b11286b570bf1e84d59cdebb01900902deaf00ce9f917e [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" "ee2fc973e7b15f3225b11286b570bf1e84d59cdebb01900902deaf00ce9f917e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ee2fc973e7b15f3225b11286b570bf1e84d59cdebb01900902deaf00ce9f917e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee2fc973e7b15f3225b11286b570bf1e84d59cdebb01900902deaf00ce9f917e", kill_on_drop: false }` [INFO] [stdout] ee2fc973e7b15f3225b11286b570bf1e84d59cdebb01900902deaf00ce9f917e [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 93af6b54bf366657f53215c8b659d9abee751d41710902fab24bcad76f61779d [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" "93af6b54bf366657f53215c8b659d9abee751d41710902fab24bcad76f61779d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling version_check v0.1.4 [INFO] [stderr] Compiling proc-macro2 v0.4.19 [INFO] [stderr] Compiling cfg-if v0.1.5 [INFO] [stderr] Compiling ucd-util v0.1.1 [INFO] [stderr] Compiling rand_core v0.2.1 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling utf8-ranges v1.0.1 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling serde v1.0.78 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling bit-vec v0.5.0 [INFO] [stderr] Compiling failure_derive v0.1.2 [INFO] [stderr] Compiling regex-syntax v0.4.2 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling rustc-demangle v0.1.9 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling lalrpop-util v0.16.0 [INFO] [stderr] Compiling byte-tools v0.2.0 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling termcolor v1.0.3 [INFO] [stderr] Compiling strsim v0.6.0 [INFO] [stderr] Compiling byteorder v1.2.6 [INFO] [stderr] Compiling fallible-iterator v0.2.0 (https://github.com/sfackler/rust-fallible-iterator.git?rev=11ea3bf0e6ad2bc4f4fe220d6c3332942e5dfa35#11ea3bf0) [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Compiling log v0.4.5 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling regex-syntax v0.6.2 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Compiling itertools v0.7.8 [INFO] [stderr] Compiling bit-set v0.5.0 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Compiling memchr v2.0.2 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling memmap v0.6.2 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling humantime v1.1.1 [INFO] [stderr] Compiling textwrap v0.10.0 [INFO] [stderr] Compiling block-buffer v0.3.3 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling new_debug_unreachable v1.0.1 [INFO] [stderr] Compiling ena v0.9.3 [INFO] [stderr] Compiling aho-corasick v0.6.8 [INFO] [stderr] Compiling nom v3.2.1 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling generic-array v0.9.0 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling digest v0.7.5 [INFO] [stderr] Compiling phf_generator v0.7.23 [INFO] [stderr] Compiling sha2 v0.7.1 [INFO] [stderr] Compiling string_cache_codegen v0.4.1 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling syn v0.15.4 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling backtrace v0.3.9 [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] Compiling 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-bddcd22e8fd71931/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: 0x5592eaa61a45 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x5592eaa61a45 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5592eaa61a45 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x5592eaa61a45 - ::fmt::hb4bdb37c3c335733 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5592eaa8565c - core::fmt::write::h540ac4a6a1232abc [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x5592eaa5eb52 - std::io::Write::write_fmt::h5ffa1b5a7703af47 [INFO] [stderr] at src/libstd/io/mod.rs:1539 [INFO] [stderr] 6: 0x5592eaa63f00 - std::sys_common::backtrace::_print::hb55cc635eaf1882e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x5592eaa63f00 - std::sys_common::backtrace::print::h2b2218fa55714084 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5592eaa63f00 - std::panicking::default_hook::{{closure}}::h578517c025765cf3 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x5592eaa63c4c - std::panicking::default_hook::h4cafc94c2fc640fb [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x5592eaa64543 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x5592eaa6413b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:437 [INFO] [stderr] 12: 0x5592eaa83d11 - core::panicking::panic_fmt::h78830ea6a34e7206 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x5592eaa83b33 - core::option::expect_none_failed::hf79bbb5ca7e09e08 [INFO] [stderr] at src/libcore/option.rs:1269 [INFO] [stderr] 14: 0x5592ea14b2c3 - core::result::Result::unwrap::h459de63d68ef097e [INFO] [stderr] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/result.rs:1005 [INFO] [stderr] 15: 0x5592ea14b7fd - build_script_build::main::hcc5e8960ea720a68 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lalrpop-0.16.0/build.rs:4 [INFO] [stderr] 16: 0x5592ea14b3fb - std::rt::lang_start::{{closure}}::hcedc5c25df5b6612 [INFO] [stderr] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x5592eaa64913 - std::rt::lang_start_internal::{{closure}}::h155f3093add35bce [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x5592eaa64913 - std::panicking::try::do_call::h45f1f66ee6b987d6 [INFO] [stderr] at src/libstd/panicking.rs:348 [INFO] [stderr] 19: 0x5592eaa64913 - std::panicking::try::h0924dfb942cef7e3 [INFO] [stderr] at src/libstd/panicking.rs:325 [INFO] [stderr] 20: 0x5592eaa64913 - std::panic::catch_unwind::h883180846c5b53fa [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x5592eaa64913 - std::rt::lang_start_internal::he9284d43a52786c5 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x5592ea14b3d7 - std::rt::lang_start::h2424e9e995959bfc [INFO] [stderr] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x5592ea14b83a - main [INFO] [stderr] 24: 0x7f3f544b70b3 - __libc_start_main [INFO] [stderr] 25: 0x5592ea14b19e - _start [INFO] [stderr] 26: 0x0 - [INFO] running `Command { std: "docker" "inspect" "93af6b54bf366657f53215c8b659d9abee751d41710902fab24bcad76f61779d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93af6b54bf366657f53215c8b659d9abee751d41710902fab24bcad76f61779d", kill_on_drop: false }` [INFO] [stdout] 93af6b54bf366657f53215c8b659d9abee751d41710902fab24bcad76f61779d