[INFO] cloning repository https://github.com/htynkn/flab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/htynkn/flab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhtynkn%2Fflab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhtynkn%2Fflab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f030c0aebe1a49f1baf447c2e470aaed59ff219
[INFO] checking htynkn/flab against try#1bd50d4315eb15970d395b6be5823f9384707693 for pr-140151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhtynkn%2Fflab" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/htynkn/flab on toolchain 1bd50d4315eb15970d395b6be5823f9384707693
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1bd50d4315eb15970d395b6be5823f9384707693" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/htynkn/flab
[INFO] finished tweaking git repo https://github.com/htynkn/flab
[INFO] tweaked toml for git repo https://github.com/htynkn/flab written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/htynkn/flab 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" "+1bd50d4315eb15970d395b6be5823f9384707693" "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 clang v0.24.0
[INFO] [stderr]   Downloaded dart-bindgen v0.1.8
[INFO] [stderr]   Downloaded cbindgen v0.14.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1bd50d4315eb15970d395b6be5823f9384707693" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1abda5126fa2281b5a1e803a8246244ac98ae35f998c899c427a6eb3286d8685
[INFO] running `Command { std: "docker" "start" "-a" "1abda5126fa2281b5a1e803a8246244ac98ae35f998c899c427a6eb3286d8685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1abda5126fa2281b5a1e803a8246244ac98ae35f998c899c427a6eb3286d8685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1abda5126fa2281b5a1e803a8246244ac98ae35f998c899c427a6eb3286d8685", kill_on_drop: false }`
[INFO] [stdout] 1abda5126fa2281b5a1e803a8246244ac98ae35f998c899c427a6eb3286d8685
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1bd50d4315eb15970d395b6be5823f9384707693" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96d0f697c2d3ac73f76727e6418da64600d95694f15f04623ae3f94aaafa2da2
[INFO] running `Command { std: "docker" "start" "-a" "96d0f697c2d3ac73f76727e6418da64600d95694f15f04623ae3f94aaafa2da2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling cbindgen v0.14.3
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking adder v0.1.0 (/opt/rustwide/workdir/native/adder)
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling clang v0.24.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling dart-bindgen v0.1.8
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling adder-ffi v0.1.0 (/opt/rustwide/workdir/native/adder-ffi)
[INFO] [stderr] error: failed to run custom build command for `adder-ffi v0.1.0 (/opt/rustwide/workdir/native/adder-ffi)`
[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/adder-ffi-3e3d8855b0f585d8/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at native/adder-ffi/build.rs:33:10:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Io(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x613b3e1416e2 - std::backtrace_rs::backtrace::libunwind::trace::h1a15fa817b72da33
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x613b3e1416e2 - std::backtrace_rs::backtrace::trace_unsynchronized::hf2c00e412c5faadf
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x613b3e1416e2 - std::sys::backtrace::_print_fmt::hf74f78c046b64fc3
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x613b3e1416e2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb4036bf9790395ee
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x613b3e169843 - core::fmt::rt::Argument::fmt::h80be61361a017e83
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/core/src/fmt/rt.rs:179:76
[INFO] [stderr]      5:     0x613b3e169843 - core::fmt::write::h80a690b41062e392
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/core/src/fmt/mod.rs:1481:25
[INFO] [stderr]      6:     0x613b3e13e7e3 - std::io::default_write_fmt::ha24a4d09d95ff318
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x613b3e13e7e3 - std::io::Write::write_fmt::h5daf7d547040a0e8
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/std/src/io/mod.rs:1914:13
[INFO] [stderr]      8:     0x613b3e141532 - std::sys::backtrace::BacktraceLock::print::hd5fa6146c02c3191
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x613b3e142c0c - std::panicking::default_hook::{{closure}}::h74b7997ba28a05cd
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/std/src/panicking.rs:300:22
[INFO] [stderr]     10:     0x613b3e142a0f - std::panicking::default_hook::hf9e1aa8926e0065b
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x613b3e143703 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h696f7106a240851f
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/alloc/src/boxed.rs:1980:9
[INFO] [stderr]     12:     0x613b3e143703 - std::panicking::rust_panic_with_hook::hb9edd52ab106f344
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/std/src/panicking.rs:841:13
[INFO] [stderr]     13:     0x613b3e1433ba - std::panicking::begin_panic_handler::{{closure}}::h6de217dee5cfbee3
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/std/src/panicking.rs:706:13
[INFO] [stderr]     14:     0x613b3e141bd9 - std::sys::backtrace::__rust_end_short_backtrace::h3919d5b10bab50cd
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     15:     0x613b3e14304d - __rustc[820f2ab4325114ba]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/std/src/panicking.rs:697:5
[INFO] [stderr]     16:     0x613b3e1679c0 - core::panicking::panic_fmt::ha49f25d2aba38f4c
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/core/src/panicking.rs:75:14
[INFO] [stderr]     17:     0x613b3e167e26 - core::result::unwrap_failed::h255e98ca3f36e73b
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/core/src/result.rs:1704:5
[INFO] [stderr]     18:     0x613b3ddde4f7 - build_script_build::main::hf6396cd739b75c09
[INFO] [stderr]     19:     0x613b3dddb2a3 - core::ops::function::FnOnce::call_once::h97e336d6883899ea
[INFO] [stderr]     20:     0x613b3dddb226 - std::sys::backtrace::__rust_begin_short_backtrace::hea0b2af17533f08a
[INFO] [stderr]     21:     0x613b3dde5fa9 - std::rt::lang_start::{{closure}}::h406e18f1f2427e8e
[INFO] [stderr]     22:     0x613b3e13a930 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h8b31aa5ffdc8795d
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     23:     0x613b3e13a930 - std::panicking::try::do_call::hf92460430e076ee3
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/std/src/panicking.rs:589:40
[INFO] [stderr]     24:     0x613b3e13a930 - std::panicking::try::h6ae948900543b5ab
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/std/src/panicking.rs:552:19
[INFO] [stderr]     25:     0x613b3e13a930 - std::panic::catch_unwind::h50e3f4e3fddd4c1c
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x613b3e13a930 - std::rt::lang_start_internal::{{closure}}::h60de4ea1a6369968
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/std/src/rt.rs:168:24
[INFO] [stderr]     27:     0x613b3e13a930 - std::panicking::try::do_call::h22d0a3dedcc89184
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/std/src/panicking.rs:589:40
[INFO] [stderr]     28:     0x613b3e13a930 - std::panicking::try::hb028c9b72a5a5693
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/std/src/panicking.rs:552:19
[INFO] [stderr]     29:     0x613b3e13a930 - std::panic::catch_unwind::h1863bc5429d95710
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x613b3e13a930 - std::rt::lang_start_internal::h960d99e3e7fb2f19
[INFO] [stderr]                                  at /rustc/1bd50d4315eb15970d395b6be5823f9384707693/library/std/src/rt.rs:164:5
[INFO] [stderr]     31:     0x613b3dde5f91 - std::rt::lang_start::hae4e444acaa2a782
[INFO] [stderr]     32:     0x613b3ddde5e5 - main
[INFO] [stderr]     33:     0x79c2325451ca - <unknown>
[INFO] [stderr]     34:     0x79c23254528b - __libc_start_main
[INFO] [stderr]     35:     0x613b3ddbbd65 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "96d0f697c2d3ac73f76727e6418da64600d95694f15f04623ae3f94aaafa2da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96d0f697c2d3ac73f76727e6418da64600d95694f15f04623ae3f94aaafa2da2", kill_on_drop: false }`
[INFO] [stdout] 96d0f697c2d3ac73f76727e6418da64600d95694f15f04623ae3f94aaafa2da2
