[INFO] cloning repository https://github.com/0v3rt1r3d/rust-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0v3rt1r3d/rust-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0v3rt1r3d%2Frust-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0v3rt1r3d%2Frust-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a17876fb40fcdc92d63004c6c283eccb2631ad83
[INFO] checking 0v3rt1r3d/rust-examples against master#2a023bf80a6fbd6a06d5460a34eb247b986286ed for pr-143764
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0v3rt1r3d%2Frust-examples" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0v3rt1r3d/rust-examples
[INFO] finished tweaking git repo https://github.com/0v3rt1r3d/rust-examples
[INFO] tweaked toml for git repo https://github.com/0v3rt1r3d/rust-examples written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0v3rt1r3d/rust-examples on toolchain 2a023bf80a6fbd6a06d5460a34eb247b986286ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0v3rt1r3d/rust-examples 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" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded capnpc v0.21.0
[INFO] [stderr]   Downloaded embedded-io v0.6.1
[INFO] [stderr]   Downloaded capnp v0.21.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 110c3513ea0f01d5d023f74b57e17245290dcc6869d0e9270bbd632c58ed91a1
[INFO] running `Command { std: "docker" "start" "-a" "110c3513ea0f01d5d023f74b57e17245290dcc6869d0e9270bbd632c58ed91a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "110c3513ea0f01d5d023f74b57e17245290dcc6869d0e9270bbd632c58ed91a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "110c3513ea0f01d5d023f74b57e17245290dcc6869d0e9270bbd632c58ed91a1", kill_on_drop: false }`
[INFO] [stdout] 110c3513ea0f01d5d023f74b57e17245290dcc6869d0e9270bbd632c58ed91a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7c6f03db3ec2d62ed5389886cb94b5f288e5476ad62c72fe9d6be657cbd6ade
[INFO] running `Command { std: "docker" "start" "-a" "c7c6f03db3ec2d62ed5389886cb94b5f288e5476ad62c72fe9d6be657cbd6ade", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling capnp v0.21.0
[INFO] [stderr]     Checking iana-time-zone v0.1.63
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking chrono v0.4.41
[INFO] [stderr]    Compiling capnpc v0.21.0
[INFO] [stderr]    Compiling rust-examples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `rust-examples 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/rust-examples-c8931271150a6dfa/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' panicked at src/build.rs:9:10:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Error { kind: Failed, extra: "Error while trying to execute `capnp compile`: Failed: Read-only file system (os error 30)." }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5d9adf779732 - std::backtrace_rs::backtrace::libunwind::trace::hab766dcdd493bdf3
[INFO] [stderr]                                  at /rustc/2a023bf80a6fbd6a06d5460a34eb247b986286ed/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5d9adf779732 - std::backtrace_rs::backtrace::trace_unsynchronized::h73ffd925553847de
[INFO] [stderr]                                  at /rustc/2a023bf80a6fbd6a06d5460a34eb247b986286ed/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5d9adf779732 - std::sys::backtrace::_print_fmt::h1c733291c9b82b72
[INFO] [stderr]                                  at /rustc/2a023bf80a6fbd6a06d5460a34eb247b986286ed/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5d9adf779732 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hde9130f8bb8f05be
[INFO] [stderr]                                  at /rustc/2a023bf80a6fbd6a06d5460a34eb247b986286ed/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5d9adf79da73 - core::fmt::rt::Argument::fmt::hf8311d757f4efdba
[INFO] [stderr]                                  at /rustc/2a023bf80a6fbd6a06d5460a34eb247b986286ed/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x5d9adf79da73 - core::fmt::write::hf0a4fa274f906048
[INFO] [stderr]                                  at /rustc/2a023bf80a6fbd6a06d5460a34eb247b986286ed/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]      6:     0x5d9adf776833 - std::io::default_write_fmt::h3dc3c6d4af8c8461
[INFO] [stderr]                                  at /rustc/2a023bf80a6fbd6a06d5460a34eb247b986286ed/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5d9adf776833 - std::io::Write::write_fmt::h5529dcbcd2adc016
[INFO] [stderr]                                  at /rustc/2a023bf80a6fbd6a06d5460a34eb247b986286ed/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x5d9adf779582 - std::sys::backtrace::BacktraceLock::print::h6d08de9067bcf327
[INFO] [stderr]                                  at /rustc/2a023bf80a6fbd6a06d5460a34eb247b986286ed/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x5d9adf77abf3 - std::panicking::default_hook::{{closure}}::h47fd54be39e8f976
[INFO] [stderr]                                  at /rustc/2a023bf80a6fbd6a06d5460a34eb247b986286ed/library/std/src/panicking.rs:300:27
[INFO] [stderr]     10:     0x5d9adf77a9d5 - std::panicking::default_hook::h3e18904fa30c45d8
[INFO] [stderr]                                  at /rustc/2a023bf80a6fbd6a06d5460a34eb247b986286ed/library/std/src/panicking.rs:327:9
[INFO] [stderr]     11:     0x5d9adf77b4c5 - std::panicking::rust_panic_with_hook::h95fdb0db127e3393
[INFO] [stderr]                                  at /rustc/2a023bf80a6fbd6a06d5460a34eb247b986286ed/library/std/src/panicking.rs:833:13
[INFO] [stderr]     12:     0x5d9adf77b35a - std::panicking::begin_panic_handler::{{closure}}::h60a8d1dd28fdf2f9
[INFO] [stderr]                                  at /rustc/2a023bf80a6fbd6a06d5460a34eb247b986286ed/library/std/src/panicking.rs:706:13
[INFO] [stderr]     13:     0x5d9adf779c29 - std::sys::backtrace::__rust_end_short_backtrace::h257feb614e80fbd3
[INFO] [stderr]                                  at /rustc/2a023bf80a6fbd6a06d5460a34eb247b986286ed/library/std/src/sys/backtrace.rs:168:18
[INFO] [stderr]     14:     0x5d9adf77afed - __rustc[c00c44d2e7a9f37a]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/2a023bf80a6fbd6a06d5460a34eb247b986286ed/library/std/src/panicking.rs:697:5
[INFO] [stderr]     15:     0x5d9adf79bd90 - core::panicking::panic_fmt::h34a2576cfcb88dba
[INFO] [stderr]                                  at /rustc/2a023bf80a6fbd6a06d5460a34eb247b986286ed/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x5d9adf79c1f6 - core::result::unwrap_failed::hc9200aa96e26a4b0
[INFO] [stderr]                                  at /rustc/2a023bf80a6fbd6a06d5460a34eb247b986286ed/library/core/src/result.rs:1761:5
[INFO] [stderr]     17:     0x5d9adf6add55 - build_script_build::main::he87a8e26decab1d6
[INFO] [stderr]     18:     0x5d9adf6accb3 - core::ops::function::FnOnce::call_once::h14e515a46776d740
[INFO] [stderr]     19:     0x5d9adf6acb96 - std::sys::backtrace::__rust_begin_short_backtrace::hf717276de808b12c
[INFO] [stderr]     20:     0x5d9adf6acb79 - std::rt::lang_start::{{closure}}::ha034450164c9f0bd
[INFO] [stderr]     21:     0x5d9adf772cc0 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h9f59e9b8989b6164
[INFO] [stderr]                                  at /rustc/2a023bf80a6fbd6a06d5460a34eb247b986286ed/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     22:     0x5d9adf772cc0 - std::panicking::catch_unwind::do_call::hef4371d177f1a952
[INFO] [stderr]                                  at /rustc/2a023bf80a6fbd6a06d5460a34eb247b986286ed/library/std/src/panicking.rs:589:40
[INFO] [stderr]     23:     0x5d9adf772cc0 - std::panicking::catch_unwind::hca16fd8282094a23
[INFO] [stderr]                                  at /rustc/2a023bf80a6fbd6a06d5460a34eb247b986286ed/library/std/src/panicking.rs:552:19
[INFO] [stderr]     24:     0x5d9adf772cc0 - std::panic::catch_unwind::h089b52244cf9e055
[INFO] [stderr]                                  at /rustc/2a023bf80a6fbd6a06d5460a34eb247b986286ed/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x5d9adf772cc0 - std::rt::lang_start_internal::{{closure}}::h73445b894e150e0b
[INFO] [stderr]                                  at /rustc/2a023bf80a6fbd6a06d5460a34eb247b986286ed/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x5d9adf772cc0 - std::panicking::catch_unwind::do_call::hfc7d8c08233d0ab4
[INFO] [stderr]                                  at /rustc/2a023bf80a6fbd6a06d5460a34eb247b986286ed/library/std/src/panicking.rs:589:40
[INFO] [stderr]     27:     0x5d9adf772cc0 - std::panicking::catch_unwind::h5b22267a8b3820a5
[INFO] [stderr]                                  at /rustc/2a023bf80a6fbd6a06d5460a34eb247b986286ed/library/std/src/panicking.rs:552:19
[INFO] [stderr]     28:     0x5d9adf772cc0 - std::panic::catch_unwind::hac6babbce8347a23
[INFO] [stderr]                                  at /rustc/2a023bf80a6fbd6a06d5460a34eb247b986286ed/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x5d9adf772cc0 - std::rt::lang_start_internal::h26239facfa9368a2
[INFO] [stderr]                                  at /rustc/2a023bf80a6fbd6a06d5460a34eb247b986286ed/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x5d9adf6acb61 - std::rt::lang_start::h9f0614d6b28b6c79
[INFO] [stderr]     31:     0x5d9adf6adde5 - main
[INFO] [stderr]     32:     0x7809b654c1ca - <unknown>
[INFO] [stderr]     33:     0x7809b654c28b - __libc_start_main
[INFO] [stderr]     34:     0x5d9adf6aca75 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "c7c6f03db3ec2d62ed5389886cb94b5f288e5476ad62c72fe9d6be657cbd6ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7c6f03db3ec2d62ed5389886cb94b5f288e5476ad62c72fe9d6be657cbd6ade", kill_on_drop: false }`
[INFO] [stdout] c7c6f03db3ec2d62ed5389886cb94b5f288e5476ad62c72fe9d6be657cbd6ade
