[INFO] cloning repository https://github.com/HectorHW/rust-lalrpop-walker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HectorHW/rust-lalrpop-walker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHectorHW%2Frust-lalrpop-walker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHectorHW%2Frust-lalrpop-walker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 562294c08dc86254877dfbb481d3e2429d520173
[INFO] testing HectorHW/rust-lalrpop-walker against master#61223975d46f794466efa832bc7562b9707ecc46+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHectorHW%2Frust-lalrpop-walker" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HectorHW/rust-lalrpop-walker on toolchain 61223975d46f794466efa832bc7562b9707ecc46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HectorHW/rust-lalrpop-walker
[INFO] finished tweaking git repo https://github.com/HectorHW/rust-lalrpop-walker
[INFO] tweaked toml for git repo https://github.com/HectorHW/rust-lalrpop-walker written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/HectorHW/rust-lalrpop-walker 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" "+61223975d46f794466efa832bc7562b9707ecc46" "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] testing HectorHW/rust-lalrpop-walker against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHectorHW%2Frust-lalrpop-walker" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HectorHW/rust-lalrpop-walker on toolchain d073071d77ce0f93b4fd8cc567a1e2b9e1b22126
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HectorHW/rust-lalrpop-walker
[INFO] finished tweaking git repo https://github.com/HectorHW/rust-lalrpop-walker
[INFO] tweaked toml for git repo https://github.com/HectorHW/rust-lalrpop-walker written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/HectorHW/rust-lalrpop-walker 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" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing HectorHW/rust-lalrpop-walker against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHectorHW%2Frust-lalrpop-walker" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HectorHW/rust-lalrpop-walker on toolchain d073071d77ce0f93b4fd8cc567a1e2b9e1b22126
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HectorHW/rust-lalrpop-walker
[INFO] finished tweaking git repo https://github.com/HectorHW/rust-lalrpop-walker
[INFO] tweaked toml for git repo https://github.com/HectorHW/rust-lalrpop-walker written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/HectorHW/rust-lalrpop-walker 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" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "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 string_cache v0.8.1
[INFO] [stderr]   Downloaded lalrpop-util v0.19.6
[INFO] [stderr]   Downloaded siphasher v0.3.6
[INFO] [stderr]   Downloaded lalrpop v0.19.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56eece885ed673cec434fdececde228b0d2672cd00bba16d82fe9a6c62af9ad8
[INFO] running `Command { std: "docker" "start" "-a" "56eece885ed673cec434fdececde228b0d2672cd00bba16d82fe9a6c62af9ad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56eece885ed673cec434fdececde228b0d2672cd00bba16d82fe9a6c62af9ad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56eece885ed673cec434fdececde228b0d2672cd00bba16d82fe9a6c62af9ad8", kill_on_drop: false }`
[INFO] [stdout] 56eece885ed673cec434fdececde228b0d2672cd00bba16d82fe9a6c62af9ad8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd1955118c68b2f24fed5f2b5f5c7bca1b69417b7b7e18003babc008316d9662
[INFO] running `Command { std: "docker" "start" "-a" "bd1955118c68b2f24fed5f2b5f5c7bca1b69417b7b7e18003babc008316d9662", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling siphasher v0.3.6
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling ena v0.14.0
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling lalrpop-util v0.19.6
[INFO] [stderr]    Compiling lalrpop v0.19.6
[INFO] [stderr]    Compiling rust-lalrpop-walker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `rust-lalrpop-walker 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/rust-lalrpop-walker-4d7c170d39774a1c/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   processing file `./src/parsing/calculator1.lalrpop`
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at build.rs:7:10:
[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:     0x559ba79633f6 - std::backtrace_rs::backtrace::libunwind::trace::hbf3981e6c8a62f19
[INFO] [stderr]                                  at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x559ba79633f6 - std::backtrace_rs::backtrace::trace_unsynchronized::h5d13053d67c404cc
[INFO] [stderr]                                  at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x559ba79633f6 - std::sys_common::backtrace::_print_fmt::hd24dc5b701eaf8ad
[INFO] [stderr]                                  at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x559ba79633f6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1d0155c7c5a7d116
[INFO] [stderr]                                  at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x559ba7985d4c - core::fmt::rt::Argument::fmt::h462c7a4781d69908
[INFO] [stderr]                                  at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x559ba7985d4c - core::fmt::write::h3cadc3d0c35667c3
[INFO] [stderr]                                  at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x559ba7960f2f - std::io::Write::write_fmt::hed25ebadf8dbdff6
[INFO] [stderr]                                  at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/io/mod.rs:1846:15
[INFO] [stderr]      7:     0x559ba79631a4 - std::sys_common::backtrace::_print::h21e0ad4a03aa55df
[INFO] [stderr]                                  at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x559ba79631a4 - std::sys_common::backtrace::print::hb7cfd89cda9bdca7
[INFO] [stderr]                                  at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x559ba796469b - std::panicking::default_hook::{{closure}}::hceb0cad555a61bc8
[INFO] [stderr]     10:     0x559ba79643e9 - std::panicking::default_hook::h00eb745c4c12778b
[INFO] [stderr]                                  at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x559ba7964b3d - std::panicking::rust_panic_with_hook::hccddb3269d601551
[INFO] [stderr]                                  at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/panicking.rs:782:13
[INFO] [stderr]     12:     0x559ba7964a12 - std::panicking::begin_panic_handler::{{closure}}::h1759cdf989495c64
[INFO] [stderr]                                  at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/panicking.rs:660:13
[INFO] [stderr]     13:     0x559ba79638d6 - std::sys_common::backtrace::__rust_end_short_backtrace::h209794238b4d13a4
[INFO] [stderr]                                  at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x559ba7964744 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/panicking.rs:648:5
[INFO] [stderr]     15:     0x559ba7716ff5 - core::panicking::panic_fmt::ha17ebef8fbaa0a3e
[INFO] [stderr]                                  at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x559ba77174e3 - core::result::unwrap_failed::h4921228b49be0fef
[INFO] [stderr]                                  at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/core/src/result.rs:1653:5
[INFO] [stderr]     17:     0x559ba7717ce8 - build_script_build::main::h9109db83823eef76
[INFO] [stderr]     18:     0x559ba7717723 - std::sys_common::backtrace::__rust_begin_short_backtrace::he7fd5fb24e38e42a
[INFO] [stderr]     19:     0x559ba7717739 - std::rt::lang_start::{{closure}}::h9649795984ac83c2
[INFO] [stderr]     20:     0x559ba795be13 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h7d1c89267327c395
[INFO] [stderr]                                  at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     21:     0x559ba795be13 - std::panicking::try::do_call::hec8ee524898e5318
[INFO] [stderr]                                  at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/panicking.rs:555:40
[INFO] [stderr]     22:     0x559ba795be13 - std::panicking::try::h85c96e2ce7745fbd
[INFO] [stderr]                                  at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/panicking.rs:519:19
[INFO] [stderr]     23:     0x559ba795be13 - std::panic::catch_unwind::h01b393d92a7d858b
[INFO] [stderr]                                  at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/panic.rs:142:14
[INFO] [stderr]     24:     0x559ba795be13 - std::rt::lang_start_internal::{{closure}}::hecb3333b28712af4
[INFO] [stderr]                                  at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/rt.rs:148:48
[INFO] [stderr]     25:     0x559ba795be13 - std::panicking::try::do_call::hf03ca5e740a75feb
[INFO] [stderr]                                  at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/panicking.rs:555:40
[INFO] [stderr]     26:     0x559ba795be13 - std::panicking::try::h3875e18ff8e3d631
[INFO] [stderr]                                  at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/panicking.rs:519:19
[INFO] [stderr]     27:     0x559ba795be13 - std::panic::catch_unwind::h014a8be543d3570f
[INFO] [stderr]                                  at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/panic.rs:142:14
[INFO] [stderr]     28:     0x559ba795be13 - std::rt::lang_start_internal::hb844c77b3284ebab
[INFO] [stderr]                                  at /rustc/d073071d77ce0f93b4fd8cc567a1e2b9e1b22126/library/std/src/rt.rs:148:20
[INFO] [stderr]     29:     0x559ba7717d45 - main
[INFO] [stderr]     30:     0x7fcc20684d90 - <unknown>
[INFO] [stderr]     31:     0x7fcc20684e40 - __libc_start_main
[INFO] [stderr]     32:     0x559ba7717655 - _start
[INFO] [stderr]     33:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "bd1955118c68b2f24fed5f2b5f5c7bca1b69417b7b7e18003babc008316d9662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd1955118c68b2f24fed5f2b5f5c7bca1b69417b7b7e18003babc008316d9662", kill_on_drop: false }`
[INFO] [stdout] bd1955118c68b2f24fed5f2b5f5c7bca1b69417b7b7e18003babc008316d9662