[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 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmath-fehr%2Flucyrs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/math-fehr/lucyrs on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-12/source/Cargo.toml
[INFO] crate git repo https://github.com/math-fehr/lucyrs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c1d7502cd08659833f168ac60d84af8795f7d1f3165da32bed91e6f9966e8b5
[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" "0c1d7502cd08659833f168ac60d84af8795f7d1f3165da32bed91e6f9966e8b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c1d7502cd08659833f168ac60d84af8795f7d1f3165da32bed91e6f9966e8b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c1d7502cd08659833f168ac60d84af8795f7d1f3165da32bed91e6f9966e8b5", kill_on_drop: false }`
[INFO] [stdout] 0c1d7502cd08659833f168ac60d84af8795f7d1f3165da32bed91e6f9966e8b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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] 4597acab9ecdaedb52e9fd4c51ead5b73d2687887701033c088edcfc50a7a7e8
[INFO] running `Command { std: "docker" "start" "-a" "4597acab9ecdaedb52e9fd4c51ead5b73d2687887701033c088edcfc50a7a7e8", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: build
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling proc-macro2 v0.4.23
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling ucd-util v0.1.2
[INFO] [stderr]    Compiling byte-tools v0.3.0
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.2.1
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling lalrpop-util v0.16.1
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]    Compiling block-padding v0.1.2
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling bit-set v0.5.0
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.1
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling ena v0.10.1
[INFO] [stderr]     Checking aho-corasick v0.6.9
[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 phf_generator v0.7.23
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling digest v0.8.0
[INFO] [stderr]    Compiling block-buffer v0.7.0
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.80
[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] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/lucyrs-73871c545485f018/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]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', build.rs:7:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x56461a0902c0 - std::backtrace_rs::backtrace::libunwind::trace::h4e80f45db05e9df0
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x56461a0902c0 - std::backtrace_rs::backtrace::trace_unsynchronized::h9db62a3d3587f6c3
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x56461a0902c0 - std::sys_common::backtrace::_print_fmt::h2fafbe52c9090591
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x56461a0902c0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h7d41ae04358c516d
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x56461a0aff9c - core::fmt::write::h968e6400cbc51d6a
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/fmt/mod.rs:1115:17
[INFO] [stderr]      5:     0x56461a08d9f5 - std::io::Write::write_fmt::h2eaa97c6f8c9e829
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/io/mod.rs:1642:15
[INFO] [stderr]      6:     0x56461a0921eb - std::sys_common::backtrace::_print::h601a6bc581f240d5
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x56461a0921eb - std::sys_common::backtrace::print::h8b96e15ba64b8e64
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x56461a0921eb - std::panicking::default_hook::{{closure}}::h94fa9d2f08c20620
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x56461a091cc1 - std::panicking::default_hook::h6d463f5a2e9d9986
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x56461a0928b4 - std::panicking::rust_panic_with_hook::h1e953652a338573e
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:622:17
[INFO] [stderr]     11:     0x56461a092397 - std::panicking::begin_panic_handler::{{closure}}::h78bf2fec525c238a
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:519:13
[INFO] [stderr]     12:     0x56461a0907bc - std::sys_common::backtrace::__rust_end_short_backtrace::h651eb6282e4ea6b2
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x56461a0922f9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:515:5
[INFO] [stderr]     14:     0x5646198e3741 - core::panicking::panic_fmt::hdfd0360cedf2d908
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x5646198e3833 - core::result::unwrap_failed::hc9085c7b2fddd31a
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x5646198e4489 - core::result::Result<T,E>::unwrap::hc6d4bf6ce8d82c25
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/result.rs:1037:23
[INFO] [stderr]     17:     0x5646198e429d - build_script_build::main::h8128c2997b2b605b
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:4:5
[INFO] [stderr]     18:     0x5646198e418b - core::ops::function::FnOnce::call_once::hf4b465f95ddbdce7
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x5646198e472e - std::sys_common::backtrace::__rust_begin_short_backtrace::hb8ea00cbff5fc3e4
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x5646198e4061 - std::rt::lang_start::{{closure}}::h9b107828e628429e
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/rt.rs:63:18
[INFO] [stderr]     21:     0x56461a092dba - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hccffb0872f46e99d
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x56461a092dba - std::panicking::try::do_call::h814e0410256bb9f2
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:401:40
[INFO] [stderr]     23:     0x56461a092dba - std::panicking::try::h97cbec2057cc2c0d
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:365:19
[INFO] [stderr]     24:     0x56461a092dba - std::panic::catch_unwind::h964f35f6fa41d1d7
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panic.rs:434:14
[INFO] [stderr]     25:     0x56461a092dba - std::rt::lang_start_internal::{{closure}}::hb97931cf27086d8b
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/rt.rs:45:48
[INFO] [stderr]     26:     0x56461a092dba - std::panicking::try::do_call::hf0d61be342e8297a
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:401:40
[INFO] [stderr]     27:     0x56461a092dba - std::panicking::try::h6b40eeb22db57b23
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panicking.rs:365:19
[INFO] [stderr]     28:     0x56461a092dba - std::panic::catch_unwind::h425af95fffdb0cf5
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/panic.rs:434:14
[INFO] [stderr]     29:     0x56461a092dba - std::rt::lang_start_internal::h21e355575f2fedc7
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/rt.rs:45:20
[INFO] [stderr]     30:     0x5646198e4030 - std::rt::lang_start::hd65ec590a8bba685
[INFO] [stderr]                                  at /rustc/90442458ac46b1d5eed752c316da25450f67285b/library/std/src/rt.rs:62:5
[INFO] [stderr]     31:     0x5646198e42ec - main
[INFO] [stderr]     32:     0x7f062faad0b3 - __libc_start_main
[INFO] [stderr]     33:     0x5646198e3f3e - _start
[INFO] [stderr]     34:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "4597acab9ecdaedb52e9fd4c51ead5b73d2687887701033c088edcfc50a7a7e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4597acab9ecdaedb52e9fd4c51ead5b73d2687887701033c088edcfc50a7a7e8", kill_on_drop: false }`
[INFO] [stdout] 4597acab9ecdaedb52e9fd4c51ead5b73d2687887701033c088edcfc50a7a7e8