[INFO] cloning repository https://github.com/CatMaxiMyoga/rust-customlang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CatMaxiMyoga/rust-customlang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCatMaxiMyoga%2Frust-customlang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCatMaxiMyoga%2Frust-customlang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24693191f5371f7baa6108c121fff8a323035b14
[INFO] checking CatMaxiMyoga/rust-customlang against master#021fc25b7a48f6051bee1e1f06c7a277e4de1cc9 for pr-151510
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCatMaxiMyoga%2Frust-customlang" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CatMaxiMyoga/rust-customlang
[INFO] finished tweaking git repo https://github.com/CatMaxiMyoga/rust-customlang
[INFO] tweaked toml for git repo https://github.com/CatMaxiMyoga/rust-customlang written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CatMaxiMyoga/rust-customlang on toolchain 021fc25b7a48f6051bee1e1f06c7a277e4de1cc9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+021fc25b7a48f6051bee1e1f06c7a277e4de1cc9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CatMaxiMyoga/rust-customlang 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" "+021fc25b7a48f6051bee1e1f06c7a277e4de1cc9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+021fc25b7a48f6051bee1e1f06c7a277e4de1cc9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d4d6187382d0efc26833b1cfbf17b7f7f8c6656e9d48e98a96444cda900415c
[INFO] running `Command { std: "docker" "start" "-a" "3d4d6187382d0efc26833b1cfbf17b7f7f8c6656e9d48e98a96444cda900415c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d4d6187382d0efc26833b1cfbf17b7f7f8c6656e9d48e98a96444cda900415c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d4d6187382d0efc26833b1cfbf17b7f7f8c6656e9d48e98a96444cda900415c", kill_on_drop: false }`
[INFO] [stdout] 3d4d6187382d0efc26833b1cfbf17b7f7f8c6656e9d48e98a96444cda900415c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+021fc25b7a48f6051bee1e1f06c7a277e4de1cc9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2e8883f6a3f3f56501cea1157a0928ada745f82e4b45a19fdd875a17a9aa748
[INFO] running `Command { std: "docker" "start" "-a" "f2e8883f6a3f3f56501cea1157a0928ada745f82e4b45a19fdd875a17a9aa748", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking lexer v0.1.0 (/opt/rustwide/workdir/lexer)
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]    Compiling lang v0.1.0 (/opt/rustwide/workdir/lang)
[INFO] [stderr]     Checking parser v0.1.0 (/opt/rustwide/workdir/parser)
[INFO] [stderr] error: failed to run custom build command for `lang v0.1.0 (/opt/rustwide/workdir/lang)`
[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/lang-1f69d2f8022f1cc6/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (67) panicked at lang/build.rs:26:34:
[INFO] [stderr]   Failed to create destination directory: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5ff9a5756b52 - std[eb275a0245b67805]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5ff9a5756b52 - std[eb275a0245b67805]::backtrace_rs::backtrace::trace_unsynchronized::<std[eb275a0245b67805]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5ff9a5756b52 - std[eb275a0245b67805]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5ff9a5756b52 - <<std[eb275a0245b67805]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[3d7aa37e00cee3c2]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5ff9a576837a - <core[3d7aa37e00cee3c2]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5ff9a576837a - core[3d7aa37e00cee3c2]::fmt::write
[INFO] [stderr]      6:     0x5ff9a575b1a6 - std[eb275a0245b67805]::io::default_write_fmt::<std[eb275a0245b67805]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5ff9a575b1a6 - <std[eb275a0245b67805]::sys::stdio::unix::Stderr as std[eb275a0245b67805]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x5ff9a573ff6f - <std[eb275a0245b67805]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5ff9a573ff6f - std[eb275a0245b67805]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5ff9a5752091 - std[eb275a0245b67805]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5ff9a575224b - std[eb275a0245b67805]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5ff9a5740028 - std[eb275a0245b67805]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x5ff9a5737bc9 - std[eb275a0245b67805]::sys::backtrace::__rust_end_short_backtrace::<std[eb275a0245b67805]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5ff9a57408cd - __rustc[97508c9a37649ef0]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5ff9a57689ec - core[3d7aa37e00cee3c2]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5ff9a57687c2 - core[3d7aa37e00cee3c2]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x5ff9a57294d0 - <core[3d7aa37e00cee3c2]::result::Result<(), std[eb275a0245b67805]::io::error::Error>>::expect
[INFO] [stderr]     18:     0x5ff9a5728f28 - build_script_build[16979b7a59d7cde]::copy_dir
[INFO] [stderr]     19:     0x5ff9a5728d8e - build_script_build[16979b7a59d7cde]::main
[INFO] [stderr]     20:     0x5ff9a572a033 - <fn() as core[3d7aa37e00cee3c2]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     21:     0x5ff9a57288a6 - std[eb275a0245b67805]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     22:     0x5ff9a5728a09 - std[eb275a0245b67805]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     23:     0x5ff9a57515e6 - <&dyn core[3d7aa37e00cee3c2]::ops::function::Fn<(), Output = i32> + core[3d7aa37e00cee3c2]::marker::Sync + core[3d7aa37e00cee3c2]::panic::unwind_safe::RefUnwindSafe as core[3d7aa37e00cee3c2]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     24:     0x5ff9a57515e6 - std[eb275a0245b67805]::panicking::catch_unwind::do_call::<&dyn core[3d7aa37e00cee3c2]::ops::function::Fn<(), Output = i32> + core[3d7aa37e00cee3c2]::marker::Sync + core[3d7aa37e00cee3c2]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/std/src/panicking.rs:581:40
[INFO] [stderr]     25:     0x5ff9a57515e6 - std[eb275a0245b67805]::panicking::catch_unwind::<i32, &dyn core[3d7aa37e00cee3c2]::ops::function::Fn<(), Output = i32> + core[3d7aa37e00cee3c2]::marker::Sync + core[3d7aa37e00cee3c2]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/std/src/panicking.rs:544:19
[INFO] [stderr]     26:     0x5ff9a57515e6 - std[eb275a0245b67805]::panic::catch_unwind::<&dyn core[3d7aa37e00cee3c2]::ops::function::Fn<(), Output = i32> + core[3d7aa37e00cee3c2]::marker::Sync + core[3d7aa37e00cee3c2]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x5ff9a57515e6 - std[eb275a0245b67805]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x5ff9a57515e6 - std[eb275a0245b67805]::panicking::catch_unwind::do_call::<std[eb275a0245b67805]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/std/src/panicking.rs:581:40
[INFO] [stderr]     29:     0x5ff9a57515e6 - std[eb275a0245b67805]::panicking::catch_unwind::<isize, std[eb275a0245b67805]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/std/src/panicking.rs:544:19
[INFO] [stderr]     30:     0x5ff9a57515e6 - std[eb275a0245b67805]::panic::catch_unwind::<std[eb275a0245b67805]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x5ff9a57515e6 - std[eb275a0245b67805]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/021fc25b7a48f6051bee1e1f06c7a277e4de1cc9/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x5ff9a5728821 - std[eb275a0245b67805]::rt::lang_start::<()>
[INFO] [stderr]     33:     0x5ff9a572a095 - main
[INFO] [stderr]     34:     0x761fb11851ca - <unknown>
[INFO] [stderr]     35:     0x761fb118528b - __libc_start_main
[INFO] [stderr]     36:     0x5ff9a5727ed5 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f2e8883f6a3f3f56501cea1157a0928ada745f82e4b45a19fdd875a17a9aa748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2e8883f6a3f3f56501cea1157a0928ada745f82e4b45a19fdd875a17a9aa748", kill_on_drop: false }`
[INFO] [stdout] f2e8883f6a3f3f56501cea1157a0928ada745f82e4b45a19fdd875a17a9aa748
