[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#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnanotech%2Fdhall-rs" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nanotech/dhall-rs on toolchain da897dfb6daa268a965d2d73620316ba56020a19 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "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-10/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" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+da897dfb6daa268a965d2d73620316ba56020a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] df0f52091df364230ebb6f32350d71ac6deee5d4153b11bc0dc2bb6b1d555ffc [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" "df0f52091df364230ebb6f32350d71ac6deee5d4153b11bc0dc2bb6b1d555ffc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "df0f52091df364230ebb6f32350d71ac6deee5d4153b11bc0dc2bb6b1d555ffc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df0f52091df364230ebb6f32350d71ac6deee5d4153b11bc0dc2bb6b1d555ffc", kill_on_drop: false }` [INFO] [stdout] df0f52091df364230ebb6f32350d71ac6deee5d4153b11bc0dc2bb6b1d555ffc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0040629c4bd96740ede971b1a875217e70de42694b459a50c9a6e23124afc5bd [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" "0040629c4bd96740ede971b1a875217e70de42694b459a50c9a6e23124afc5bd", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Compiling serde v1.0.94 [INFO] [stderr] Compiling string_cache_shared v0.3.0 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling utf8-ranges v1.0.3 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling new_debug_unreachable v1.0.3 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling either v1.1.0 [INFO] [stderr] Compiling opaque-debug v0.2.2 [INFO] [stderr] Compiling fixedbitset v0.1.7 [INFO] [stderr] Compiling strsim v0.9.2 [INFO] [stderr] Compiling bit-vec v0.5.1 [INFO] [stderr] Compiling ordermap v0.3.5 [INFO] [stderr] Compiling diff v0.1.10 [INFO] [stderr] Compiling lalrpop-util v0.17.1 [INFO] [stderr] Compiling version_check v0.1.5 [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_core v0.3.1 [INFO] [stderr] Compiling regex-syntax v0.6.7 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling block-padding v0.1.4 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling itertools v0.8.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling bit-set v0.5.1 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling ena v0.13.0 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling stackvector v1.0.6 [INFO] [stderr] Compiling lexical-core v0.4.2 [INFO] [stderr] Checking term-painter v0.2.4 [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] Compiling rand v0.6.5 [INFO] [stderr] Compiling nom v5.0.0 [INFO] [stderr] Compiling aho-corasick v0.7.3 [INFO] [stderr] Compiling generic-array v0.12.3 [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 term v0.5.2 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [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 regex v1.1.7 [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-450ec8267f9d8cc4/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: 0x559f7817f1f0 - std::backtrace_rs::backtrace::libunwind::trace::h452faf99f32e7c93 [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x559f7817f1f0 - std::backtrace_rs::backtrace::trace_unsynchronized::he40edc71437667a1 [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x559f7817f1f0 - std::sys_common::backtrace::_print_fmt::h6c51d6ade71f46bf [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x559f7817f1f0 - ::fmt::h3cd15d7003dec37a [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x559f7819e11c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/fmt/mod.rs:1082 [INFO] [stderr] 5: 0x559f7817c807 - std::io::Write::write_fmt::hac61caff894c35ae [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/io/mod.rs:1517 [INFO] [stderr] 6: 0x559f78181380 - std::sys_common::backtrace::_print::haa2f390fb7957e3e [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x559f78181380 - std::sys_common::backtrace::print::h48c7cbbad9013bb1 [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x559f78181380 - std::panicking::default_hook::{{closure}}::h8b7ff05a31e71d55 [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:208 [INFO] [stderr] 9: 0x559f781810cc - std::panicking::default_hook::h2f00c78800d98e4c [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:227 [INFO] [stderr] 10: 0x559f781819e3 - std::panicking::rust_panic_with_hook::h4eaa635e4694aef3 [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:577 [INFO] [stderr] 11: 0x559f781815b9 - std::panicking::begin_panic_handler::{{closure}}::hec242f1b136b5ff2 [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:484 [INFO] [stderr] 12: 0x559f7817f65c - std::sys_common::backtrace::__rust_end_short_backtrace::h1f3cc383ee6c0374 [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 13: 0x559f78181579 - rust_begin_unwind [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:483 [INFO] [stderr] 14: 0x559f7819c6f1 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/panicking.rs:85 [INFO] [stderr] 15: 0x559f7819c513 - core::option::expect_none_failed::he492a18657d97593 [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/option.rs:1221 [INFO] [stderr] 16: 0x559f779217ef - core::result::Result::unwrap::h682b0a68d0dc8553 [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/result.rs:973 [INFO] [stderr] 17: 0x559f77921203 - build_script_build::main::hda5e16ec4a3b768b [INFO] [stderr] at /opt/rustwide/workdir/build.rs:4 [INFO] [stderr] 18: 0x559f779214ab - core::ops::function::FnOnce::call_once::h367a14c9d1230ed8 [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/ops/function.rs:227 [INFO] [stderr] 19: 0x559f7792162e - std::sys_common::backtrace::__rust_begin_short_backtrace::h44eed7d456bc021c [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/sys_common/backtrace.rs:137 [INFO] [stderr] 20: 0x559f77921761 - std::rt::lang_start::{{closure}}::h49c5b3c41b83f162 [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/rt.rs:66 [INFO] [stderr] 21: 0x559f78181de1 - core::ops::function::impls:: for &F>::call_once::hecc21eb9018cc197 [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/core/src/ops/function.rs:259 [INFO] [stderr] 22: 0x559f78181de1 - std::panicking::try::do_call::h174ad655d084b5c7 [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:381 [INFO] [stderr] 23: 0x559f78181de1 - std::panicking::try::h479e6054ce28de10 [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panicking.rs:345 [INFO] [stderr] 24: 0x559f78181de1 - std::panic::catch_unwind::hb558ddea2b3e9c45 [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/panic.rs:382 [INFO] [stderr] 25: 0x559f78181de1 - std::rt::lang_start_internal::h163149047f0a8b61 [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/rt.rs:51 [INFO] [stderr] 26: 0x559f77921737 - std::rt::lang_start::hc89c738cbb21d685 [INFO] [stderr] at /rustc/da897dfb6daa268a965d2d73620316ba56020a19/library/std/src/rt.rs:65 [INFO] [stderr] 27: 0x559f7792125a - main [INFO] [stderr] 28: 0x7f636d9500b3 - __libc_start_main [INFO] [stderr] 29: 0x559f779210ce - _start [INFO] [stderr] 30: 0x0 - [INFO] running `Command { std: "docker" "inspect" "0040629c4bd96740ede971b1a875217e70de42694b459a50c9a6e23124afc5bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0040629c4bd96740ede971b1a875217e70de42694b459a50c9a6e23124afc5bd", kill_on_drop: false }` [INFO] [stdout] 0040629c4bd96740ede971b1a875217e70de42694b459a50c9a6e23124afc5bd