[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 try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0v3rt1r3d%2Frust-examples" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/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-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0v3rt1r3d/rust-examples on toolchain 66388cc165a6c4ac98c074dc9f0281ff23528c55
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "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" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a5d5dfa39a5bf00da165d0917455a264e6c7993830f3a25339ab45e99668f82
[INFO] running `Command { std: "docker" "start" "-a" "0a5d5dfa39a5bf00da165d0917455a264e6c7993830f3a25339ab45e99668f82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a5d5dfa39a5bf00da165d0917455a264e6c7993830f3a25339ab45e99668f82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a5d5dfa39a5bf00da165d0917455a264e6c7993830f3a25339ab45e99668f82", kill_on_drop: false }`
[INFO] [stdout] 0a5d5dfa39a5bf00da165d0917455a264e6c7993830f3a25339ab45e99668f82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8863decf826f3d1ed7853dd754e5f901da8b621a27ffadb8742efdbfea8800d2
[INFO] running `Command { std: "docker" "start" "-a" "8863decf826f3d1ed7853dd754e5f901da8b621a27ffadb8742efdbfea8800d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling capnp v0.21.0
[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-67cace682aed6712/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (151) 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:     0x55a649d256a2 - std[7d609349af90bec6]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x55a649d256a2 - std[7d609349af90bec6]::backtrace_rs::backtrace::trace_unsynchronized::<std[7d609349af90bec6]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x55a649d256a2 - std[7d609349af90bec6]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x55a649d256a2 - <<std[7d609349af90bec6]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[75ca2badb63c4514]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x55a649d395fa - <core[75ca2badb63c4514]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x55a649d395fa - core[75ca2badb63c4514]::fmt::write
[INFO] [stderr]      6:     0x55a649d2a1d6 - std[7d609349af90bec6]::io::default_write_fmt::<std[7d609349af90bec6]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x55a649d2a1d6 - <std[7d609349af90bec6]::sys::stdio::unix::Stderr as std[7d609349af90bec6]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x55a649d07e7f - <std[7d609349af90bec6]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x55a649d07e7f - std[7d609349af90bec6]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x55a649d20c81 - std[7d609349af90bec6]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x55a649d20e3b - std[7d609349af90bec6]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x55a649d07f38 - std[7d609349af90bec6]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x55a649cff899 - std[7d609349af90bec6]::sys::backtrace::__rust_end_short_backtrace::<std[7d609349af90bec6]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x55a649d0885d - __rustc[69841a6cbc58d81d]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x55a649d39ccc - core[75ca2badb63c4514]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x55a649d39a42 - core[75ca2badb63c4514]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x55a649c4c4a5 - build_script_build[960e7572eae9e80a]::main
[INFO] [stderr]     18:     0x55a649c4d173 - <fn() as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x55a649c4c336 - std[7d609349af90bec6]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x55a649c4c349 - std[7d609349af90bec6]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x55a649d1fe36 - <&dyn core[75ca2badb63c4514]::ops::function::Fn<(), Output = i32> + core[75ca2badb63c4514]::marker::Sync + core[75ca2badb63c4514]::panic::unwind_safe::RefUnwindSafe as core[75ca2badb63c4514]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x55a649d1fe36 - std[7d609349af90bec6]::panicking::catch_unwind::do_call::<&dyn core[75ca2badb63c4514]::ops::function::Fn<(), Output = i32> + core[75ca2badb63c4514]::marker::Sync + core[75ca2badb63c4514]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:581:40
[INFO] [stderr]     23:     0x55a649d1fe36 - std[7d609349af90bec6]::panicking::catch_unwind::<i32, &dyn core[75ca2badb63c4514]::ops::function::Fn<(), Output = i32> + core[75ca2badb63c4514]::marker::Sync + core[75ca2badb63c4514]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:544:19
[INFO] [stderr]     24:     0x55a649d1fe36 - std[7d609349af90bec6]::panic::catch_unwind::<&dyn core[75ca2badb63c4514]::ops::function::Fn<(), Output = i32> + core[75ca2badb63c4514]::marker::Sync + core[75ca2badb63c4514]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x55a649d1fe36 - std[7d609349af90bec6]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x55a649d1fe36 - std[7d609349af90bec6]::panicking::catch_unwind::do_call::<std[7d609349af90bec6]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:581:40
[INFO] [stderr]     27:     0x55a649d1fe36 - std[7d609349af90bec6]::panicking::catch_unwind::<isize, std[7d609349af90bec6]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x55a649d1fe36 - std[7d609349af90bec6]::panic::catch_unwind::<std[7d609349af90bec6]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x55a649d1fe36 - std[7d609349af90bec6]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/66388cc165a6c4ac98c074dc9f0281ff23528c55/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x55a649c4c321 - std[7d609349af90bec6]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x55a649c4d1d5 - main
[INFO] [stderr]     32:     0x714c5270c1ca - <unknown>
[INFO] [stderr]     33:     0x714c5270c28b - __libc_start_main
[INFO] [stderr]     34:     0x55a649c4be85 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "8863decf826f3d1ed7853dd754e5f901da8b621a27ffadb8742efdbfea8800d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8863decf826f3d1ed7853dd754e5f901da8b621a27ffadb8742efdbfea8800d2", kill_on_drop: false }`
[INFO] [stdout] 8863decf826f3d1ed7853dd754e5f901da8b621a27ffadb8742efdbfea8800d2
