[INFO] cloning repository https://github.com/math-fehr/lucyrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/math-fehr/lucyrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmath-fehr%2Flucyrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmath-fehr%2Flucyrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c52eb048eead3318ae80a1a74235bb502dc1e678
[INFO] checking math-fehr/lucyrs/c52eb048eead3318ae80a1a74235bb502dc1e678 against master#1fe72d35998dea48aeecaf7fc07783b0b553f24f for pr-154992
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmath-fehr%2Flucyrs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/math-fehr/lucyrs
[INFO] finished tweaking git repo https://github.com/math-fehr/lucyrs
[INFO] tweaked toml for git repo https://github.com/math-fehr/lucyrs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/math-fehr/lucyrs on toolchain 1fe72d35998dea48aeecaf7fc07783b0b553f24f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/math-fehr/lucyrs 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" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr] help: build is a valid .cargo/config.toml key
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lalrpop-util v0.16.1
[INFO] [stderr]   Downloaded ucd-util v0.1.2
[INFO] [stderr]   Downloaded proc-macro2 v0.4.23
[INFO] [stderr]   Downloaded syn v0.15.20
[INFO] [stderr]   Downloaded itertools v0.7.8
[INFO] [stderr]   Downloaded lalrpop v0.16.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77e2dd1eb61486429038e7b3315499541bbff6e544f54cde85e5f3e78c061279
[INFO] running `Command { std: "docker" "start" "-a" "77e2dd1eb61486429038e7b3315499541bbff6e544f54cde85e5f3e78c061279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77e2dd1eb61486429038e7b3315499541bbff6e544f54cde85e5f3e78c061279", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77e2dd1eb61486429038e7b3315499541bbff6e544f54cde85e5f3e78c061279", kill_on_drop: false }`
[INFO] [stdout] 77e2dd1eb61486429038e7b3315499541bbff6e544f54cde85e5f3e78c061279
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1fe72d35998dea48aeecaf7fc07783b0b553f24f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 897bad9e1a5c6f37029a1714922dfe27da515d312f7c80d9c1871ec418782917
[INFO] running `Command { std: "docker" "start" "-a" "897bad9e1a5c6f37029a1714922dfe27da515d312f7c80d9c1871ec418782917", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr] help: build is a valid .cargo/config.toml key
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling proc-macro2 v0.4.23
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling ucd-util v0.1.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling byte-tools v0.3.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling block-padding v0.1.2
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.1
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]    Compiling opaque-debug v0.2.1
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling ena v0.10.1
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling bit-set v0.5.0
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling lalrpop-util v0.16.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.20
[INFO] [stderr]    Compiling generic-array v0.12.0
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling block-buffer v0.7.0
[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling docopt v1.0.2
[INFO] [stderr]    Compiling lalrpop v0.16.1
[INFO] [stderr]    Compiling lucyrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `lucyrs 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/lucyrs-97e5f8291da4084b/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   processing file `/opt/rustwide/workdir/src/lucy/grammar.lalrpop`
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (851) 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:     0x59f2e8adcc0a - std[6e9db3a12d5cdc93]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/1fe72d35998dea48aeecaf7fc07783b0b553f24f/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x59f2e8adcc0a - std[6e9db3a12d5cdc93]::backtrace_rs::backtrace::trace_unsynchronized::<std[6e9db3a12d5cdc93]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/1fe72d35998dea48aeecaf7fc07783b0b553f24f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x59f2e8adcc0a - std[6e9db3a12d5cdc93]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/1fe72d35998dea48aeecaf7fc07783b0b553f24f/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x59f2e8adcc0a - <<std[6e9db3a12d5cdc93]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[ed7112c14259c429]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/1fe72d35998dea48aeecaf7fc07783b0b553f24f/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x59f2e8af1a6a - <core[ed7112c14259c429]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/1fe72d35998dea48aeecaf7fc07783b0b553f24f/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x59f2e8af1a6a - core[ed7112c14259c429]::fmt::write
[INFO] [stderr]      6:     0x59f2e8ae24f2 - std[6e9db3a12d5cdc93]::io::default_write_fmt::<std[6e9db3a12d5cdc93]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/1fe72d35998dea48aeecaf7fc07783b0b553f24f/library/std/src/io/mod.rs:621:11
[INFO] [stderr]      7:     0x59f2e8ae24f2 - <std[6e9db3a12d5cdc93]::sys::stdio::unix::Stderr as std[6e9db3a12d5cdc93]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/1fe72d35998dea48aeecaf7fc07783b0b553f24f/library/std/src/io/mod.rs:1976:13
[INFO] [stderr]      8:     0x59f2e8ac586f - <std[6e9db3a12d5cdc93]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/1fe72d35998dea48aeecaf7fc07783b0b553f24f/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x59f2e8ac586f - std[6e9db3a12d5cdc93]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/1fe72d35998dea48aeecaf7fc07783b0b553f24f/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x59f2e8ad8221 - std[6e9db3a12d5cdc93]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/1fe72d35998dea48aeecaf7fc07783b0b553f24f/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x59f2e8ad83db - std[6e9db3a12d5cdc93]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/1fe72d35998dea48aeecaf7fc07783b0b553f24f/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x59f2e8ac5928 - std[6e9db3a12d5cdc93]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/1fe72d35998dea48aeecaf7fc07783b0b553f24f/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x59f2e8abab49 - std[6e9db3a12d5cdc93]::sys::backtrace::__rust_end_short_backtrace::<std[6e9db3a12d5cdc93]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/1fe72d35998dea48aeecaf7fc07783b0b553f24f/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x59f2e8ac631d - __rustc[c6e56ec9be6e2b47]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/1fe72d35998dea48aeecaf7fc07783b0b553f24f/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x59f2e8af222c - core[ed7112c14259c429]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/1fe72d35998dea48aeecaf7fc07783b0b553f24f/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x59f2e8af1fa2 - core[ed7112c14259c429]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/1fe72d35998dea48aeecaf7fc07783b0b553f24f/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x59f2e8600c6a - build_script_build[9cd6b177703e4f44]::main
[INFO] [stderr]     18:     0x59f2e8600ec3 - <fn() as core[ed7112c14259c429]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x59f2e8600b16 - std[6e9db3a12d5cdc93]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x59f2e8600b29 - std[6e9db3a12d5cdc93]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x59f2e8ad70c4 - <&dyn core[ed7112c14259c429]::ops::function::Fn<(), Output = i32> + core[ed7112c14259c429]::marker::Sync + core[ed7112c14259c429]::panic::unwind_safe::RefUnwindSafe as core[ed7112c14259c429]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/1fe72d35998dea48aeecaf7fc07783b0b553f24f/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x59f2e8ad70c4 - std[6e9db3a12d5cdc93]::panicking::catch_unwind::do_call::<&dyn core[ed7112c14259c429]::ops::function::Fn<(), Output = i32> + core[ed7112c14259c429]::marker::Sync + core[ed7112c14259c429]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/1fe72d35998dea48aeecaf7fc07783b0b553f24f/library/std/src/panicking.rs:581:40
[INFO] [stderr]     23:     0x59f2e8ad70c4 - std[6e9db3a12d5cdc93]::panicking::catch_unwind::<i32, &dyn core[ed7112c14259c429]::ops::function::Fn<(), Output = i32> + core[ed7112c14259c429]::marker::Sync + core[ed7112c14259c429]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/1fe72d35998dea48aeecaf7fc07783b0b553f24f/library/std/src/panicking.rs:544:19
[INFO] [stderr]     24:     0x59f2e8ad70c4 - std[6e9db3a12d5cdc93]::panic::catch_unwind::<&dyn core[ed7112c14259c429]::ops::function::Fn<(), Output = i32> + core[ed7112c14259c429]::marker::Sync + core[ed7112c14259c429]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/1fe72d35998dea48aeecaf7fc07783b0b553f24f/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x59f2e8ad70c4 - std[6e9db3a12d5cdc93]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/1fe72d35998dea48aeecaf7fc07783b0b553f24f/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x59f2e8ad70c4 - std[6e9db3a12d5cdc93]::panicking::catch_unwind::do_call::<std[6e9db3a12d5cdc93]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/1fe72d35998dea48aeecaf7fc07783b0b553f24f/library/std/src/panicking.rs:581:40
[INFO] [stderr]     27:     0x59f2e8ad70c4 - std[6e9db3a12d5cdc93]::panicking::catch_unwind::<isize, std[6e9db3a12d5cdc93]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/1fe72d35998dea48aeecaf7fc07783b0b553f24f/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x59f2e8ad70c4 - std[6e9db3a12d5cdc93]::panic::catch_unwind::<std[6e9db3a12d5cdc93]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/1fe72d35998dea48aeecaf7fc07783b0b553f24f/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x59f2e8ad70c4 - std[6e9db3a12d5cdc93]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/1fe72d35998dea48aeecaf7fc07783b0b553f24f/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x59f2e8600a91 - std[6e9db3a12d5cdc93]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x59f2e8600f25 - main
[INFO] [stderr]     32:     0x74eb197de1ca - <unknown>
[INFO] [stderr]     33:     0x74eb197de28b - __libc_start_main
[INFO] [stderr]     34:     0x59f2e86009a5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "897bad9e1a5c6f37029a1714922dfe27da515d312f7c80d9c1871ec418782917", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "897bad9e1a5c6f37029a1714922dfe27da515d312f7c80d9c1871ec418782917", kill_on_drop: false }`
[INFO] [stdout] 897bad9e1a5c6f37029a1714922dfe27da515d312f7c80d9c1871ec418782917