[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#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimblandy%2Ffxsnapshot" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jimblandy/fxsnapshot on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "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-4/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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 quick-protobuf v0.6.3 [INFO] [stderr] Downloaded diff v0.1.11 [INFO] [stderr] Downloaded lalrpop-util v0.16.0 [INFO] [stderr] Downloaded lalrpop-snap v0.16.0 [INFO] [stderr] Downloaded lalrpop v0.16.0 [INFO] [stderr] Downloaded new_debug_unreachable v1.0.1 [INFO] [stderr] Downloaded pb-rs v0.5.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 51d72144584cca60adbef1ac35a28f4c3204cbd9c021a3cec8e4466b205d8123 [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" "51d72144584cca60adbef1ac35a28f4c3204cbd9c021a3cec8e4466b205d8123", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "51d72144584cca60adbef1ac35a28f4c3204cbd9c021a3cec8e4466b205d8123", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51d72144584cca60adbef1ac35a28f4c3204cbd9c021a3cec8e4466b205d8123", kill_on_drop: false }` [INFO] [stdout] 51d72144584cca60adbef1ac35a28f4c3204cbd9c021a3cec8e4466b205d8123 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bc43e69f3221a9c8a9c0474e70dbe86a78eb50fb2c18d28e22f87b7b6ba8e3ef [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" "bc43e69f3221a9c8a9c0474e70dbe86a78eb50fb2c18d28e22f87b7b6ba8e3ef", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling ucd-util v0.1.1 [INFO] [stderr] Compiling rand_core v0.2.1 [INFO] [stderr] Compiling cfg-if v0.1.5 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Compiling regex v1.0.5 [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 failure_derive v0.1.2 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling term v0.4.6 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling bit-vec v0.5.0 [INFO] [stderr] Compiling fixedbitset v0.1.9 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling either v1.5.0 [INFO] [stderr] Compiling diff v0.1.11 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling regex-syntax v0.4.2 [INFO] [stderr] Compiling lalrpop-util v0.16.0 [INFO] [stderr] Compiling arrayref v0.3.5 [INFO] [stderr] Compiling rustc-demangle v0.1.9 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling byte-tools v0.2.0 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling fake-simd v0.1.2 [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] 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 lazy_static v1.1.0 [INFO] [stderr] Compiling phf_shared v0.7.23 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Checking memchr v2.0.2 [INFO] [stderr] Checking memmap v0.6.2 [INFO] [stderr] Compiling log v0.4.5 [INFO] [stderr] Compiling proc-macro2 v0.3.8 [INFO] [stderr] Compiling bit-set v0.5.0 [INFO] [stderr] Compiling itertools v0.7.8 [INFO] [stderr] Compiling regex-syntax v0.6.2 [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling humantime v1.1.1 [INFO] [stderr] Compiling ascii-canvas v1.0.0 [INFO] [stderr] Compiling block-buffer v0.3.3 [INFO] [stderr] Compiling textwrap v0.10.0 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling proc-macro2 v0.4.19 [INFO] [stderr] Compiling new_debug_unreachable v1.0.1 [INFO] [stderr] Checking aho-corasick v0.6.8 [INFO] [stderr] Compiling ena v0.9.3 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling nom v3.2.1 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling backtrace-sys v0.1.24 [INFO] [stderr] Compiling phf_generator v0.7.23 [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 string_cache_codegen v0.4.1 [INFO] [stderr] Compiling digest v0.7.5 [INFO] [stderr] Compiling sha2 v0.7.1 [INFO] [stderr] Compiling backtrace v0.3.9 [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-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: 0x56006d8a68f0 - std::backtrace_rs::backtrace::libunwind::trace::ha1eabb142084ea37 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x56006d8a68f0 - std::backtrace_rs::backtrace::trace_unsynchronized::hbb8825661d997281 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x56006d8a68f0 - std::sys_common::backtrace::_print_fmt::h26d850e2f7183914 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x56006d8a68f0 - ::fmt::h3834b06f68a2b012 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x56006d8c65ac - core::fmt::write::h3a043650ba7bf668 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/core/src/fmt/mod.rs:1117 [INFO] [stderr] 5: 0x56006d8a4025 - std::io::Write::write_fmt::h9c0c8944a1898139 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/io/mod.rs:1510 [INFO] [stderr] 6: 0x56006d8a8af0 - std::sys_common::backtrace::_print::h693c0c2cc41d4d10 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x56006d8a8af0 - std::sys_common::backtrace::print::h213be73e5670b8ea [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x56006d8a8af0 - std::panicking::default_hook::{{closure}}::h2d49a3361cc4e7ea [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/panicking.rs:200 [INFO] [stderr] 9: 0x56006d8a883c - std::panicking::default_hook::hd41fbdeba93207ba [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/panicking.rs:219 [INFO] [stderr] 10: 0x56006d8a9153 - std::panicking::rust_panic_with_hook::hcab398664b4bd473 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/panicking.rs:569 [INFO] [stderr] 11: 0x56006d8a8d29 - std::panicking::begin_panic_handler::{{closure}}::h7512c6f2998ba93d [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/panicking.rs:476 [INFO] [stderr] 12: 0x56006d8a6d5c - std::sys_common::backtrace::__rust_end_short_backtrace::h1a25d7e7e1864d3d [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 13: 0x56006d8a8ce9 - rust_begin_unwind [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/panicking.rs:475 [INFO] [stderr] 14: 0x56006d8c4c61 - core::panicking::panic_fmt::h019ad16a92ccd092 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/core/src/panicking.rs:85 [INFO] [stderr] 15: 0x56006d8c4a83 - core::option::expect_none_failed::h7135ba2fdb185931 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/core/src/option.rs:1219 [INFO] [stderr] 16: 0x56006cf84583 - core::result::Result::unwrap::ha2074e8ee5a5c923 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/core/src/result.rs:1005 [INFO] [stderr] 17: 0x56006cf8423d - 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] 18: 0x56006cf8475b - core::ops::function::FnOnce::call_once::hd549bc8176a9877b [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/core/src/ops/function.rs:233 [INFO] [stderr] 19: 0x56006cf8419e - std::sys_common::backtrace::__rust_begin_short_backtrace::he4bcaffe9acb8285 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/sys_common/backtrace.rs:137 [INFO] [stderr] 20: 0x56006cf84631 - std::rt::lang_start::{{closure}}::h2a7c52f30bf7c7dd [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/rt.rs:66 [INFO] [stderr] 21: 0x56006d8a9562 - core::ops::function::impls:: for &F>::call_once::hde9814ae740a85dc [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/core/src/ops/function.rs:265 [INFO] [stderr] 22: 0x56006d8a9562 - std::panicking::try::do_call::h3026bab8cd7540d7 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/panicking.rs:373 [INFO] [stderr] 23: 0x56006d8a9562 - std::panicking::try::h852bb5e5a66f7f84 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/panicking.rs:337 [INFO] [stderr] 24: 0x56006d8a9562 - std::panic::catch_unwind::hfeb0f3dddf7c6a72 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/panic.rs:394 [INFO] [stderr] 25: 0x56006d8a9562 - std::rt::lang_start_internal::h32f0ac6e87476559 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/rt.rs:51 [INFO] [stderr] 26: 0x56006cf84607 - std::rt::lang_start::hfe175c46a86a9a9b [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/rt.rs:65 [INFO] [stderr] 27: 0x56006cf8427a - main [INFO] [stderr] 28: 0x7eff77a150b3 - __libc_start_main [INFO] [stderr] 29: 0x56006cf840ce - _start [INFO] [stderr] 30: 0x0 - [INFO] running `Command { std: "docker" "inspect" "bc43e69f3221a9c8a9c0474e70dbe86a78eb50fb2c18d28e22f87b7b6ba8e3ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc43e69f3221a9c8a9c0474e70dbe86a78eb50fb2c18d28e22f87b7b6ba8e3ef", kill_on_drop: false }` [INFO] [stdout] bc43e69f3221a9c8a9c0474e70dbe86a78eb50fb2c18d28e22f87b7b6ba8e3ef