[INFO] cloning repository https://github.com/nanotech/dhall-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nanotech/dhall-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnanotech%2Fdhall-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnanotech%2Fdhall-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5408abbbabd066f9ffbe030f9f0205dc56e5161c [INFO] checking nanotech/dhall-rs against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnanotech%2Fdhall-rs" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nanotech/dhall-rs on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nanotech/dhall-rs [INFO] finished tweaking git repo https://github.com/nanotech/dhall-rs [INFO] tweaked toml for git repo https://github.com/nanotech/dhall-rs written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/nanotech/dhall-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 22b6985c9005f82862528daeb940994bd23c04495a2e65c664c70da0ebc03627 [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" "22b6985c9005f82862528daeb940994bd23c04495a2e65c664c70da0ebc03627", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "22b6985c9005f82862528daeb940994bd23c04495a2e65c664c70da0ebc03627", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22b6985c9005f82862528daeb940994bd23c04495a2e65c664c70da0ebc03627", kill_on_drop: false }` [INFO] [stdout] 22b6985c9005f82862528daeb940994bd23c04495a2e65c664c70da0ebc03627 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 7fa40daadec9f36f61f86851765b3831a5295838bfe128ed6925e96dcef76225 [INFO] running `Command { std: "docker" "start" "-a" "7fa40daadec9f36f61f86851765b3831a5295838bfe128ed6925e96dcef76225", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling serde v1.0.94 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling utf8-ranges v1.0.3 [INFO] [stderr] Compiling opaque-debug v0.2.2 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling strsim v0.9.2 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling fixedbitset v0.1.7 [INFO] [stderr] Compiling bit-vec v0.5.1 [INFO] [stderr] Compiling either v1.1.0 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling new_debug_unreachable v1.0.3 [INFO] [stderr] Compiling diff v0.1.10 [INFO] [stderr] Compiling lalrpop-util v0.17.1 [INFO] [stderr] Checking static_assertions v0.2.5 [INFO] [stderr] Checking term v0.4.6 [INFO] [stderr] Checking bytecount v0.5.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling block-padding v0.1.4 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Compiling regex-syntax v0.6.7 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling bit-set v0.5.1 [INFO] [stderr] Compiling nom v5.0.0 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling ena v0.13.0 [INFO] [stderr] Compiling petgraph v0.4.13 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Checking term-painter v0.2.4 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling aho-corasick v0.7.3 [INFO] [stderr] Compiling stackvector v1.0.6 [INFO] [stderr] Compiling lexical-core v0.4.2 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling dirs v1.0.5 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling term v0.5.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling sha2 v0.8.0 [INFO] [stderr] Compiling ascii-canvas v2.0.0 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling string_cache_codegen v0.4.2 [INFO] [stderr] Compiling string_cache v0.7.3 [INFO] [stderr] Compiling serde_derive v1.0.94 [INFO] [stderr] Compiling docopt v1.1.0 [INFO] [stderr] Compiling lalrpop v0.17.1 [INFO] [stderr] Compiling dhall v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `dhall v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/dhall-1d31e40994085ccc/build-script-build` (exit code: 101) [INFO] [stderr] --- stdout [INFO] [stderr] processing file `./src/grammar.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" }', build.rs:7:10 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55bf92bf8617 - std::backtrace_rs::backtrace::libunwind::trace::h746c3e9529d524bc [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55bf92bf8617 - std::backtrace_rs::backtrace::trace_unsynchronized::h86340908ff889faa [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55bf92bf8617 - std::sys_common::backtrace::_print_fmt::h43f85f9b18230404 [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55bf92bf8617 - ::fmt::hc132ae1a5b5aa7cd [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55bf92c196bc - core::fmt::write::hdf023a0036d2a25f [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x55bf92bf5422 - std::io::Write::write_fmt::h8580846154bcb66a [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/io/mod.rs:1519:15 [INFO] [stderr] 6: 0x55bf92bfa5c5 - std::sys_common::backtrace::_print::h7ee55fed88d107a3 [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55bf92bfa5c5 - std::sys_common::backtrace::print::h54a7d3e52a524177 [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55bf92bfa5c5 - std::panicking::default_hook::{{closure}}::h60921e857bf55a40 [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55bf92bfa11a - std::panicking::default_hook::hf0f9afb1017317fc [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55bf92bfad61 - std::panicking::rust_panic_with_hook::h8d66bf42b407aaea [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x55bf92bfa8a7 - std::panicking::begin_panic_handler::{{closure}}::hde71edcd925d0c5e [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x55bf92bf8adc - std::sys_common::backtrace::__rust_end_short_backtrace::h8a3c7d6cea578919 [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55bf92bfa809 - rust_begin_unwind [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x55bf92c17d91 - core::panicking::panic_fmt::h20225113c4a2f8fd [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55bf92c17bb3 - core::option::expect_none_failed::hc6d6d4cea4fdc285 [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/core/src/option.rs:1268:5 [INFO] [stderr] 16: 0x55bf923ab493 - core::result::Result::unwrap::hce184261c5160c14 [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/core/src/result.rs:973:23 [INFO] [stderr] 17: 0x55bf923ab225 - build_script_build::main::ha5b924b32049a769 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:4:5 [INFO] [stderr] 18: 0x55bf923ab30b - core::ops::function::FnOnce::call_once::hf11c48ee7b303a6a [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55bf923ab19e - std::sys_common::backtrace::__rust_begin_short_backtrace::h9e5d6df1e3959fbc [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55bf923ab401 - std::rt::lang_start::{{closure}}::h2d2ced5071f17644 [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x55bf92bfb187 - core::ops::function::impls:: for &F>::call_once::h54c39b9b8451875a [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55bf92bfb187 - std::panicking::try::do_call::hcdfba51a06e21b42 [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x55bf92bfb187 - std::panicking::try::hb36953ccd24f930d [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x55bf92bfb187 - std::panic::catch_unwind::hbb374cd03beb3824 [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/panic.rs:396:14 [INFO] [stderr] 25: 0x55bf92bfb187 - std::rt::lang_start_internal::h97dca9624db2aa85 [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x55bf923ab3d7 - std::rt::lang_start::hfa50d2aff77a8d2b [INFO] [stderr] at /rustc/39b841dfe36f90a7cd111e7f0c55f32594f6e578/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x55bf923ab29a - main [INFO] [stderr] 28: 0x7f55088f10b3 - __libc_start_main [INFO] [stderr] 29: 0x55bf923ab0ce - _start [INFO] [stderr] 30: 0x0 - [INFO] running `Command { std: "docker" "inspect" "7fa40daadec9f36f61f86851765b3831a5295838bfe128ed6925e96dcef76225", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7fa40daadec9f36f61f86851765b3831a5295838bfe128ed6925e96dcef76225", kill_on_drop: false }` [INFO] [stdout] 7fa40daadec9f36f61f86851765b3831a5295838bfe128ed6925e96dcef76225