[INFO] cloning repository https://github.com/lukasmoellerch/restbuf
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukasmoellerch/restbuf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukasmoellerch%2Frestbuf", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukasmoellerch%2Frestbuf'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20a2c4e76fb54c4b5c9a6344d5625a242002498d
[INFO] checking lukasmoellerch/restbuf against master#17ffbc81a30c094193836a5d7f90dff273b5df93 for pr-138785
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukasmoellerch%2Frestbuf" "/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/lukasmoellerch/restbuf on toolchain 17ffbc81a30c094193836a5d7f90dff273b5df93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lukasmoellerch/restbuf
[INFO] finished tweaking git repo https://github.com/lukasmoellerch/restbuf
[INFO] tweaked toml for git repo https://github.com/lukasmoellerch/restbuf written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/lukasmoellerch/restbuf 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" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "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] 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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2843edec4287a71faf1c57c51727e365789a5f48ff5a9b9560e144725f770fed
[INFO] running `Command { std: "docker" "start" "-a" "2843edec4287a71faf1c57c51727e365789a5f48ff5a9b9560e144725f770fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2843edec4287a71faf1c57c51727e365789a5f48ff5a9b9560e144725f770fed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2843edec4287a71faf1c57c51727e365789a5f48ff5a9b9560e144725f770fed", kill_on_drop: false }`
[INFO] [stdout] 2843edec4287a71faf1c57c51727e365789a5f48ff5a9b9560e144725f770fed
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+17ffbc81a30c094193836a5d7f90dff273b5df93" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 838cefb6df36fcb8febf3397839b942c977ff2f67a6b04d2a55244c6543c7d07
[INFO] running `Command { std: "docker" "start" "-a" "838cefb6df36fcb8febf3397839b942c977ff2f67a6b04d2a55244c6543c7d07", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling either v1.10.0
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling ena v0.14.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking lalrpop-util v0.20.2
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling lalrpop v0.20.2
[INFO] [stderr]    Compiling roto_core v0.1.0 (/opt/rustwide/workdir/crates/roto_core)
[INFO] [stderr] error: failed to run custom build command for `roto_core v0.1.0 (/opt/rustwide/workdir/crates/roto_core)`
[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/roto_core-4534f15a967d1501/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   processing file `./src/parser.lalrpop`
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at crates/roto_core/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:     0x619794ef0c82 - std::backtrace_rs::backtrace::libunwind::trace::h0ba9157721c35840
[INFO] [stderr]                                  at /rustc/17ffbc81a30c094193836a5d7f90dff273b5df93/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x619794ef0c82 - std::backtrace_rs::backtrace::trace_unsynchronized::h86ccaa9e8e807ced
[INFO] [stderr]                                  at /rustc/17ffbc81a30c094193836a5d7f90dff273b5df93/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x619794ef0c82 - std::sys::backtrace::_print_fmt::h349c193bb5c0bc78
[INFO] [stderr]                                  at /rustc/17ffbc81a30c094193836a5d7f90dff273b5df93/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x619794ef0c82 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h03493273b68c541f
[INFO] [stderr]                                  at /rustc/17ffbc81a30c094193836a5d7f90dff273b5df93/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x619794f114f3 - core::fmt::rt::Argument::fmt::h15ec3bfc4130f0f3
[INFO] [stderr]                                  at /rustc/17ffbc81a30c094193836a5d7f90dff273b5df93/library/core/src/fmt/rt.rs:178:76
[INFO] [stderr]      5:     0x619794f114f3 - core::fmt::write::h0ad6302f6d4dd435
[INFO] [stderr]                                  at /rustc/17ffbc81a30c094193836a5d7f90dff273b5df93/library/core/src/fmt/mod.rs:1480:21
[INFO] [stderr]      6:     0x619794eedb73 - std::io::default_write_fmt::hb47e9846d3041dac
[INFO] [stderr]                                  at /rustc/17ffbc81a30c094193836a5d7f90dff273b5df93/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x619794eedb73 - std::io::Write::write_fmt::h02d833d801fd417d
[INFO] [stderr]                                  at /rustc/17ffbc81a30c094193836a5d7f90dff273b5df93/library/std/src/io/mod.rs:1914:13
[INFO] [stderr]      8:     0x619794ef0ad2 - std::sys::backtrace::BacktraceLock::print::hf4c70899989a4c05
[INFO] [stderr]                                  at /rustc/17ffbc81a30c094193836a5d7f90dff273b5df93/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x619794ef1f52 - std::panicking::default_hook::{{closure}}::hb583b4cee228551d
[INFO] [stderr]                                  at /rustc/17ffbc81a30c094193836a5d7f90dff273b5df93/library/std/src/panicking.rs:300:22
[INFO] [stderr]     10:     0x619794ef1d55 - std::panicking::default_hook::h5dea409290788d81
[INFO] [stderr]                                  at /rustc/17ffbc81a30c094193836a5d7f90dff273b5df93/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x619794ef2932 - std::panicking::rust_panic_with_hook::hf643fb839cbcc568
[INFO] [stderr]                                  at /rustc/17ffbc81a30c094193836a5d7f90dff273b5df93/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x619794ef26ba - std::panicking::begin_panic_handler::{{closure}}::h3410972461e99562
[INFO] [stderr]                                  at /rustc/17ffbc81a30c094193836a5d7f90dff273b5df93/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x619794ef1189 - std::sys::backtrace::__rust_end_short_backtrace::hf1bf1d55b8ddd5d8
[INFO] [stderr]                                  at /rustc/17ffbc81a30c094193836a5d7f90dff273b5df93/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x619794ef234d - __rustc[2cdc4cefc7961cb7]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/17ffbc81a30c094193836a5d7f90dff273b5df93/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x619794f0fd00 - core::panicking::panic_fmt::hdefd3e888081c660
[INFO] [stderr]                                  at /rustc/17ffbc81a30c094193836a5d7f90dff273b5df93/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x619794f10166 - core::result::unwrap_failed::hfab0873f584e0178
[INFO] [stderr]                                  at /rustc/17ffbc81a30c094193836a5d7f90dff273b5df93/library/core/src/result.rs:1704:5
[INFO] [stderr]     17:     0x619794884f9e - build_script_build::main::hce01d47ccc4bf314
[INFO] [stderr]     18:     0x619794884c73 - core::ops::function::FnOnce::call_once::h4cef6117e3436fb5
[INFO] [stderr]     19:     0x619794884c56 - std::sys::backtrace::__rust_begin_short_backtrace::he8f32cb4b0c5ea74
[INFO] [stderr]     20:     0x619794884c39 - std::rt::lang_start::{{closure}}::h09434e7888589553
[INFO] [stderr]     21:     0x619794ee7ae0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h821851a4b59dd3e0
[INFO] [stderr]                                  at /rustc/17ffbc81a30c094193836a5d7f90dff273b5df93/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     22:     0x619794ee7ae0 - std::panicking::try::do_call::h29b3db2a8d7f7183
[INFO] [stderr]                                  at /rustc/17ffbc81a30c094193836a5d7f90dff273b5df93/library/std/src/panicking.rs:589:40
[INFO] [stderr]     23:     0x619794ee7ae0 - std::panicking::try::h05374d3e135016b1
[INFO] [stderr]                                  at /rustc/17ffbc81a30c094193836a5d7f90dff273b5df93/library/std/src/panicking.rs:552:19
[INFO] [stderr]     24:     0x619794ee7ae0 - std::panic::catch_unwind::h7416c57f4ea365fc
[INFO] [stderr]                                  at /rustc/17ffbc81a30c094193836a5d7f90dff273b5df93/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x619794ee7ae0 - std::rt::lang_start_internal::{{closure}}::hf7b7e14bdf8ef966
[INFO] [stderr]                                  at /rustc/17ffbc81a30c094193836a5d7f90dff273b5df93/library/std/src/rt.rs:168:24
[INFO] [stderr]     26:     0x619794ee7ae0 - std::panicking::try::do_call::hbf263968054c8956
[INFO] [stderr]                                  at /rustc/17ffbc81a30c094193836a5d7f90dff273b5df93/library/std/src/panicking.rs:589:40
[INFO] [stderr]     27:     0x619794ee7ae0 - std::panicking::try::hb399c715a961ac3e
[INFO] [stderr]                                  at /rustc/17ffbc81a30c094193836a5d7f90dff273b5df93/library/std/src/panicking.rs:552:19
[INFO] [stderr]     28:     0x619794ee7ae0 - std::panic::catch_unwind::h1bb049748f0fd11c
[INFO] [stderr]                                  at /rustc/17ffbc81a30c094193836a5d7f90dff273b5df93/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x619794ee7ae0 - std::rt::lang_start_internal::h562b242fe2653a53
[INFO] [stderr]                                  at /rustc/17ffbc81a30c094193836a5d7f90dff273b5df93/library/std/src/rt.rs:164:5
[INFO] [stderr]     30:     0x619794884c21 - std::rt::lang_start::h8e83ab64e9b8bede
[INFO] [stderr]     31:     0x619794885025 - main
[INFO] [stderr]     32:     0x7a4b87d611ca - <unknown>
[INFO] [stderr]     33:     0x7a4b87d6128b - __libc_start_main
[INFO] [stderr]     34:     0x619794884b35 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "838cefb6df36fcb8febf3397839b942c977ff2f67a6b04d2a55244c6543c7d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "838cefb6df36fcb8febf3397839b942c977ff2f67a6b04d2a55244c6543c7d07", kill_on_drop: false }`
[INFO] [stdout] 838cefb6df36fcb8febf3397839b942c977ff2f67a6b04d2a55244c6543c7d07