[INFO] cloning repository https://github.com/StappsWorld/Percival
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/StappsWorld/Percival" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStappsWorld%2FPercival", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStappsWorld%2FPercival'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ef0d556f823bb06ae2c19cae632b34ec27e9f98
[INFO] checking StappsWorld/Percival against master#3139ff09e9d07f7700f8d15ed25a231e29c43627 for pr-121848-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStappsWorld%2FPercival" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/StappsWorld/Percival on toolchain 3139ff09e9d07f7700f8d15ed25a231e29c43627
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/StappsWorld/Percival
[INFO] finished tweaking git repo https://github.com/StappsWorld/Percival
[INFO] tweaked toml for git repo https://github.com/StappsWorld/Percival written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/StappsWorld/Percival already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking StappsWorld/Percival against try#a2cff3b7a9661c90ec0d581d3f3a69bb97c11138 for pr-121848-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStappsWorld%2FPercival" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/StappsWorld/Percival on toolchain a2cff3b7a9661c90ec0d581d3f3a69bb97c11138
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/StappsWorld/Percival
[INFO] finished tweaking git repo https://github.com/StappsWorld/Percival
[INFO] tweaked toml for git repo https://github.com/StappsWorld/Percival written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/StappsWorld/Percival already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded siphasher v0.3.5
[INFO] [stderr]   Downloaded lalrpop-util v0.19.5
[INFO] [stderr]   Downloaded itertools v0.10.0
[INFO] [stderr]   Downloaded lalrpop v0.19.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 107e34f948579c2e6555010fa45e5fe254683557459de6961ce5926e2171bc2f
[INFO] running `Command { std: "docker" "start" "-a" "107e34f948579c2e6555010fa45e5fe254683557459de6961ce5926e2171bc2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "107e34f948579c2e6555010fa45e5fe254683557459de6961ce5926e2171bc2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "107e34f948579c2e6555010fa45e5fe254683557459de6961ce5926e2171bc2f", kill_on_drop: false }`
[INFO] [stdout] 107e34f948579c2e6555010fa45e5fe254683557459de6961ce5926e2171bc2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ecfa21b486ebe667007b2ff66047631ccaf704063d7d5b145ae7c478ccb2593
[INFO] running `Command { std: "docker" "start" "-a" "3ecfa21b486ebe667007b2ff66047631ccaf704063d7d5b145ae7c478ccb2593", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking lalrpop-util v0.19.5
[INFO] [stderr]    Compiling lalrpop v0.19.5
[INFO] [stderr]    Compiling percival v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `percival v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/percival-45cea4c7c3af2f74/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   processing file `./src/parser/hc.lalrpop`
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at build.rs:9:10:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x558689d3273d - std::backtrace_rs::backtrace::libunwind::trace::ha5969a904a33bb90
[INFO] [stderr]                                  at /rustc/a2cff3b7a9661c90ec0d581d3f3a69bb97c11138/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x558689d3273d - std::backtrace_rs::backtrace::trace_unsynchronized::hd5776ddfe3d88e18
[INFO] [stderr]                                  at /rustc/a2cff3b7a9661c90ec0d581d3f3a69bb97c11138/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x558689d3273d - std::sys::backtrace::_print_fmt::h40e16c775082775c
[INFO] [stderr]                                  at /rustc/a2cff3b7a9661c90ec0d581d3f3a69bb97c11138/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x558689d3273d - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8a136a8d3f9437ae
[INFO] [stderr]                                  at /rustc/a2cff3b7a9661c90ec0d581d3f3a69bb97c11138/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x558689d54e8b - core::fmt::rt::Argument::fmt::hab069730761f457f
[INFO] [stderr]                                  at /rustc/a2cff3b7a9661c90ec0d581d3f3a69bb97c11138/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x558689d54e8b - core::fmt::write::h24caf6616970278c
[INFO] [stderr]                                  at /rustc/a2cff3b7a9661c90ec0d581d3f3a69bb97c11138/library/core/src/fmt/mod.rs:1178:21
[INFO] [stderr]      6:     0x558689d2f733 - std::io::Write::write_fmt::h1ba8b8cd63d86b5d
[INFO] [stderr]                                  at /rustc/a2cff3b7a9661c90ec0d581d3f3a69bb97c11138/library/std/src/io/mod.rs:1823:15
[INFO] [stderr]      7:     0x558689d338f2 - std::sys::backtrace::BacktraceLock::print::hc6ace554074ce41c
[INFO] [stderr]                                  at /rustc/a2cff3b7a9661c90ec0d581d3f3a69bb97c11138/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x558689d338f2 - std::panicking::default_hook::{{closure}}::hb38d1f8d4022d0b2
[INFO] [stderr]                                  at /rustc/a2cff3b7a9661c90ec0d581d3f3a69bb97c11138/library/std/src/panicking.rs:266:22
[INFO] [stderr]      9:     0x558689d3355e - std::panicking::default_hook::h16566526d9689648
[INFO] [stderr]                                  at /rustc/a2cff3b7a9661c90ec0d581d3f3a69bb97c11138/library/std/src/panicking.rs:293:9
[INFO] [stderr]     10:     0x558689d3419f - std::panicking::rust_panic_with_hook::h918d6d22f8d9c0a5
[INFO] [stderr]                                  at /rustc/a2cff3b7a9661c90ec0d581d3f3a69bb97c11138/library/std/src/panicking.rs:797:13
[INFO] [stderr]     11:     0x558689d33e87 - std::panicking::begin_panic_handler::{{closure}}::h8cf1410ece60e98d
[INFO] [stderr]                                  at /rustc/a2cff3b7a9661c90ec0d581d3f3a69bb97c11138/library/std/src/panicking.rs:671:13
[INFO] [stderr]     12:     0x558689d32c29 - std::sys::backtrace::__rust_end_short_backtrace::h9aa26f42a0e6fb13
[INFO] [stderr]                                  at /rustc/a2cff3b7a9661c90ec0d581d3f3a69bb97c11138/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]     13:     0x558689d33b14 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/a2cff3b7a9661c90ec0d581d3f3a69bb97c11138/library/std/src/panicking.rs:662:5
[INFO] [stderr]     14:     0x558689d533f3 - core::panicking::panic_fmt::hf0443e26bfb26da9
[INFO] [stderr]                                  at /rustc/a2cff3b7a9661c90ec0d581d3f3a69bb97c11138/library/core/src/panicking.rs:74:14
[INFO] [stderr]     15:     0x558689d53946 - core::result::unwrap_failed::h4cfaecda14e3feaa
[INFO] [stderr]                                  at /rustc/a2cff3b7a9661c90ec0d581d3f3a69bb97c11138/library/core/src/result.rs:1679:5
[INFO] [stderr]     16:     0x55868979cfca - build_script_build::main::h3d71cd2c29d2c8bd
[INFO] [stderr]     17:     0x55868979c203 - core::ops::function::FnOnce::call_once::hdbda42c4b25d626c
[INFO] [stderr]     18:     0x55868979c1c6 - std::sys::backtrace::__rust_begin_short_backtrace::h57ab0df05d2f1c1e
[INFO] [stderr]     19:     0x55868979bf49 - std::rt::lang_start::{{closure}}::h12df963bcdce8a45
[INFO] [stderr]     20:     0x558689d2ada0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hea30b07ce758743b
[INFO] [stderr]                                  at /rustc/a2cff3b7a9661c90ec0d581d3f3a69bb97c11138/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     21:     0x558689d2ada0 - std::panicking::try::do_call::h7a664f621dc92f3e
[INFO] [stderr]                                  at /rustc/a2cff3b7a9661c90ec0d581d3f3a69bb97c11138/library/std/src/panicking.rs:554:40
[INFO] [stderr]     22:     0x558689d2ada0 - std::panicking::try::he4bfd9ecdc2c810b
[INFO] [stderr]                                  at /rustc/a2cff3b7a9661c90ec0d581d3f3a69bb97c11138/library/std/src/panicking.rs:518:19
[INFO] [stderr]     23:     0x558689d2ada0 - std::panic::catch_unwind::h428246a4a92cd082
[INFO] [stderr]                                  at /rustc/a2cff3b7a9661c90ec0d581d3f3a69bb97c11138/library/std/src/panic.rs:345:14
[INFO] [stderr]     24:     0x558689d2ada0 - std::rt::lang_start_internal::{{closure}}::hb24252db1bf87aff
[INFO] [stderr]                                  at /rustc/a2cff3b7a9661c90ec0d581d3f3a69bb97c11138/library/std/src/rt.rs:143:48
[INFO] [stderr]     25:     0x558689d2ada0 - std::panicking::try::do_call::h463a76d9b833189e
[INFO] [stderr]                                  at /rustc/a2cff3b7a9661c90ec0d581d3f3a69bb97c11138/library/std/src/panicking.rs:554:40
[INFO] [stderr]     26:     0x558689d2ada0 - std::panicking::try::h2ad326ce43d13116
[INFO] [stderr]                                  at /rustc/a2cff3b7a9661c90ec0d581d3f3a69bb97c11138/library/std/src/panicking.rs:518:19
[INFO] [stderr]     27:     0x558689d2ada0 - std::panic::catch_unwind::hb3816f926568e81f
[INFO] [stderr]                                  at /rustc/a2cff3b7a9661c90ec0d581d3f3a69bb97c11138/library/std/src/panic.rs:345:14
[INFO] [stderr]     28:     0x558689d2ada0 - std::rt::lang_start_internal::h59f766a045729728
[INFO] [stderr]                                  at /rustc/a2cff3b7a9661c90ec0d581d3f3a69bb97c11138/library/std/src/rt.rs:143:20
[INFO] [stderr]     29:     0x55868979bf27 - std::rt::lang_start::hb470a83686e366de
[INFO] [stderr]     30:     0x55868979d065 - main
[INFO] [stderr]     31:     0x7f97bff97d90 - <unknown>
[INFO] [stderr]     32:     0x7f97bff97e40 - __libc_start_main
[INFO] [stderr]     33:     0x55868979bdf5 - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "3ecfa21b486ebe667007b2ff66047631ccaf704063d7d5b145ae7c478ccb2593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ecfa21b486ebe667007b2ff66047631ccaf704063d7d5b145ae7c478ccb2593", kill_on_drop: false }`
[INFO] [stdout] 3ecfa21b486ebe667007b2ff66047631ccaf704063d7d5b145ae7c478ccb2593
