[INFO] cloning repository https://github.com/eminence/procfind
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eminence/procfind" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feminence%2Fprocfind", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feminence%2Fprocfind'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da3f043e3239232baf8ece137a02012999152805
[INFO] checking eminence/procfind against try#c86ec274072509d26d0ee52682a0c94ed012ed89 for pr-153027
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feminence%2Fprocfind" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/eminence/procfind
[INFO] finished tweaking git repo https://github.com/eminence/procfind
[INFO] tweaked toml for git repo https://github.com/eminence/procfind written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/eminence/procfind on toolchain c86ec274072509d26d0ee52682a0c94ed012ed89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/eminence/procfind 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" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "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 ena v0.14.0
[INFO] [stderr]   Downloaded diff v0.1.12
[INFO] [stderr]   Downloaded bit-set v0.5.2
[INFO] [stderr]   Downloaded procfs v0.9.1
[INFO] [stderr]   Downloaded lalrpop v0.19.6
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ef54264742ca1f470fb87faf83e9f6ad586dfdbdf4f02a4ccee468bd0e8cf01
[INFO] running `Command { std: "docker" "start" "-a" "8ef54264742ca1f470fb87faf83e9f6ad586dfdbdf4f02a4ccee468bd0e8cf01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ef54264742ca1f470fb87faf83e9f6ad586dfdbdf4f02a4ccee468bd0e8cf01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ef54264742ca1f470fb87faf83e9f6ad586dfdbdf4f02a4ccee468bd0e8cf01", kill_on_drop: false }`
[INFO] [stdout] 8ef54264742ca1f470fb87faf83e9f6ad586dfdbdf4f02a4ccee468bd0e8cf01
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d1665dd4c66f6a7d4e2494ad925f3e3242d12bc0e2fcedcc0a52ca686e6fb23
[INFO] running `Command { std: "docker" "start" "-a" "2d1665dd4c66f6a7d4e2494ad925f3e3242d12bc0e2fcedcc0a52ca686e6fb23", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling pico-args v0.4.2
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling dirs-next v2.0.0
[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 term v0.7.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking lalrpop-util v0.19.6
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking procfs v0.9.1
[INFO] [stderr]    Compiling lalrpop v0.19.6
[INFO] [stderr]    Compiling procfind v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `procfind 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/procfind-eb94923c83331162/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   Running build...
[INFO] [stderr]   processing file `src/lang.lalrpop`
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (466) panicked at build.rs:6:43:
[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:     0x584733ee771a - std[5965093dc9034d34]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/c86ec274072509d26d0ee52682a0c94ed012ed89/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x584733ee771a - std[5965093dc9034d34]::backtrace_rs::backtrace::trace_unsynchronized::<std[5965093dc9034d34]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/c86ec274072509d26d0ee52682a0c94ed012ed89/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x584733ee771a - std[5965093dc9034d34]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/c86ec274072509d26d0ee52682a0c94ed012ed89/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x584733ee771a - <<std[5965093dc9034d34]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[4ccbaf1da03005eb]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/c86ec274072509d26d0ee52682a0c94ed012ed89/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x584733efc6fa - <core[4ccbaf1da03005eb]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/c86ec274072509d26d0ee52682a0c94ed012ed89/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x584733efc6fa - core[4ccbaf1da03005eb]::fmt::write
[INFO] [stderr]      6:     0x584733eecdd2 - std[5965093dc9034d34]::io::default_write_fmt::<std[5965093dc9034d34]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/c86ec274072509d26d0ee52682a0c94ed012ed89/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x584733eecdd2 - <std[5965093dc9034d34]::sys::stdio::unix::Stderr as std[5965093dc9034d34]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/c86ec274072509d26d0ee52682a0c94ed012ed89/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x584733ed12cf - <std[5965093dc9034d34]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/c86ec274072509d26d0ee52682a0c94ed012ed89/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x584733ed12cf - std[5965093dc9034d34]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/c86ec274072509d26d0ee52682a0c94ed012ed89/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x584733ee3221 - std[5965093dc9034d34]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/c86ec274072509d26d0ee52682a0c94ed012ed89/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x584733ee33db - std[5965093dc9034d34]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/c86ec274072509d26d0ee52682a0c94ed012ed89/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x584733ed1388 - std[5965093dc9034d34]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/c86ec274072509d26d0ee52682a0c94ed012ed89/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x584733ec8dc9 - std[5965093dc9034d34]::sys::backtrace::__rust_end_short_backtrace::<std[5965093dc9034d34]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/c86ec274072509d26d0ee52682a0c94ed012ed89/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x584733ed1ced - __rustc[8bdd468f3ef57eae]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/c86ec274072509d26d0ee52682a0c94ed012ed89/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x584733efcebc - core[4ccbaf1da03005eb]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/c86ec274072509d26d0ee52682a0c94ed012ed89/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x584733efcc32 - core[4ccbaf1da03005eb]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/c86ec274072509d26d0ee52682a0c94ed012ed89/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x584733996bd6 - build_script_build[7a33a5cec5073cd]::main
[INFO] [stderr]     18:     0x584733997253 - <fn() as core[4ccbaf1da03005eb]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x584733996a66 - std[5965093dc9034d34]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x584733996a79 - std[5965093dc9034d34]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x584733ee2714 - <&dyn core[4ccbaf1da03005eb]::ops::function::Fn<(), Output = i32> + core[4ccbaf1da03005eb]::marker::Sync + core[4ccbaf1da03005eb]::panic::unwind_safe::RefUnwindSafe as core[4ccbaf1da03005eb]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/c86ec274072509d26d0ee52682a0c94ed012ed89/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x584733ee2714 - std[5965093dc9034d34]::panicking::catch_unwind::do_call::<&dyn core[4ccbaf1da03005eb]::ops::function::Fn<(), Output = i32> + core[4ccbaf1da03005eb]::marker::Sync + core[4ccbaf1da03005eb]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/c86ec274072509d26d0ee52682a0c94ed012ed89/library/std/src/panicking.rs:581:40
[INFO] [stderr]     23:     0x584733ee2714 - std[5965093dc9034d34]::panicking::catch_unwind::<i32, &dyn core[4ccbaf1da03005eb]::ops::function::Fn<(), Output = i32> + core[4ccbaf1da03005eb]::marker::Sync + core[4ccbaf1da03005eb]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/c86ec274072509d26d0ee52682a0c94ed012ed89/library/std/src/panicking.rs:544:19
[INFO] [stderr]     24:     0x584733ee2714 - std[5965093dc9034d34]::panic::catch_unwind::<&dyn core[4ccbaf1da03005eb]::ops::function::Fn<(), Output = i32> + core[4ccbaf1da03005eb]::marker::Sync + core[4ccbaf1da03005eb]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/c86ec274072509d26d0ee52682a0c94ed012ed89/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x584733ee2714 - std[5965093dc9034d34]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/c86ec274072509d26d0ee52682a0c94ed012ed89/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x584733ee2714 - std[5965093dc9034d34]::panicking::catch_unwind::do_call::<std[5965093dc9034d34]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/c86ec274072509d26d0ee52682a0c94ed012ed89/library/std/src/panicking.rs:581:40
[INFO] [stderr]     27:     0x584733ee2714 - std[5965093dc9034d34]::panicking::catch_unwind::<isize, std[5965093dc9034d34]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/c86ec274072509d26d0ee52682a0c94ed012ed89/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x584733ee2714 - std[5965093dc9034d34]::panic::catch_unwind::<std[5965093dc9034d34]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/c86ec274072509d26d0ee52682a0c94ed012ed89/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x584733ee2714 - std[5965093dc9034d34]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/c86ec274072509d26d0ee52682a0c94ed012ed89/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x584733996641 - std[5965093dc9034d34]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x5847339972b5 - main
[INFO] [stderr]     32:     0x729a65be51ca - <unknown>
[INFO] [stderr]     33:     0x729a65be528b - __libc_start_main
[INFO] [stderr]     34:     0x5847339963a5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "2d1665dd4c66f6a7d4e2494ad925f3e3242d12bc0e2fcedcc0a52ca686e6fb23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d1665dd4c66f6a7d4e2494ad925f3e3242d12bc0e2fcedcc0a52ca686e6fb23", kill_on_drop: false }`
[INFO] [stdout] 2d1665dd4c66f6a7d4e2494ad925f3e3242d12bc0e2fcedcc0a52ca686e6fb23