[INFO] fetching crate assemblylift-core-iomod 0.3.1... [INFO] testing assemblylift-core-iomod-0.3.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] extracting crate assemblylift-core-iomod 0.3.1 into /workspace/builds/worker-56/source [INFO] validating manifest of crates.io crate assemblylift-core-iomod 0.3.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate assemblylift-core-iomod 0.3.1 [INFO] finished tweaking crates.io crate assemblylift-core-iomod 0.3.1 [INFO] tweaked toml for crates.io crate assemblylift-core-iomod 0.3.1 written to /workspace/builds/worker-56/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded capnp-futures v0.14.1 [INFO] [stderr] Downloaded capnp v0.14.3 [INFO] [stderr] Downloaded capnp-rpc v0.14.1 [INFO] [stderr] Downloaded capnpc v0.14.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4cacbcdb4077d5c8ed8bedfb7ad76e9a447f77ac990254fc0554efbb8c32861e [INFO] running `Command { std: "docker" "start" "-a" "4cacbcdb4077d5c8ed8bedfb7ad76e9a447f77ac990254fc0554efbb8c32861e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4cacbcdb4077d5c8ed8bedfb7ad76e9a447f77ac990254fc0554efbb8c32861e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4cacbcdb4077d5c8ed8bedfb7ad76e9a447f77ac990254fc0554efbb8c32861e", kill_on_drop: false }` [INFO] [stdout] 4cacbcdb4077d5c8ed8bedfb7ad76e9a447f77ac990254fc0554efbb8c32861e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0379d35d6cbc06a12abb6d4b9be7fbcd37db0a6a6a58d5703e3f758551729668 [INFO] running `Command { std: "docker" "start" "-a" "0379d35d6cbc06a12abb6d4b9be7fbcd37db0a6a6a58d5703e3f758551729668", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling futures-core v0.3.18 [INFO] [stderr] Compiling futures-task v0.3.18 [INFO] [stderr] Compiling futures-sink v0.3.18 [INFO] [stderr] Compiling pin-project-lite v0.2.7 [INFO] [stderr] Compiling futures-channel v0.3.18 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling capnp v0.14.3 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling paste v1.0.6 [INFO] [stderr] Compiling once_cell v1.8.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling tokio v1.14.0 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling capnpc v0.14.4 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling mio v0.7.14 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling assemblylift-core-iomod v0.3.1 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `assemblylift-core-iomod v0.3.1 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/assemblylift-core-iomod-6b9e287c40451790/build-script-build` (exit status: 101) [INFO] [stderr] --- stdout [INFO] [stderr] cargo:rustc-env=RUSTC_VERSION=1.58.0-nightly [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] could not open file "src/iomod_capnp.rs" for writing: Read-only file system (os error 30) [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Error { kind: Failed, description: "Error while trying to execute `capnp compile`: Failed: Read-only file system (os error 30). Please verify that version 0.5.2 or higher of the capnp executable is installed on your system. See https://capnproto.org/install.html" }', build.rs:11:10 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x562bfc05751c - std::backtrace_rs::backtrace::libunwind::trace::h793e05efd273d0f4 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stderr] 1: 0x562bfc05751c - std::backtrace_rs::backtrace::trace_unsynchronized::h640b7b86ff610c77 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x562bfc05751c - std::sys_common::backtrace::_print_fmt::h362fa2a4f354f877 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x562bfc05751c - ::fmt::hf439e5ed84c74abd [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x562bfc07a0ec - core::fmt::write::h72801a82c94e6ff1 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/fmt/mod.rs:1149:17 [INFO] [stderr] 5: 0x562bfc053ae5 - std::io::Write::write_fmt::h5562a8b6da0f0339 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/io/mod.rs:1697:15 [INFO] [stderr] 6: 0x562bfc058b20 - std::sys_common::backtrace::_print::hb29ddd998d02631c [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x562bfc058b20 - std::sys_common::backtrace::print::h81965e3d7c90fbb6 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x562bfc058b20 - std::panicking::default_hook::{{closure}}::h84db205ab6674b38 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:211:50 [INFO] [stderr] 9: 0x562bfc0586cb - std::panicking::default_hook::h1bf8bb4159936bca [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:228:9 [INFO] [stderr] 10: 0x562bfc0591d4 - std::panicking::rust_panic_with_hook::hf8e86850fbbd03b1 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:606:17 [INFO] [stderr] 11: 0x562bfc058cb0 - std::panicking::begin_panic_handler::{{closure}}::h590a0d6060ff866e [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:502:13 [INFO] [stderr] 12: 0x562bfc0579d4 - std::sys_common::backtrace::__rust_end_short_backtrace::h260b8bd1c848a03c [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stderr] 13: 0x562bfc058c19 - rust_begin_unwind [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:498:5 [INFO] [stderr] 14: 0x562bfbf6a131 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/panicking.rs:106:14 [INFO] [stderr] 15: 0x562bfbf6a223 - core::result::unwrap_failed::h885d3f7beb571353 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/result.rs:1613:5 [INFO] [stderr] 16: 0x562bfbf6bab0 - core::result::Result::unwrap::h9a8e65c8c7fb1121 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/result.rs:1295:23 [INFO] [stderr] 17: 0x562bfbf6bd2d - build_script_build::main::h34f10328dcc363b7 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:7:5 [INFO] [stderr] 18: 0x562bfbf6bfcb - core::ops::function::FnOnce::call_once::h6f8f8f84c6b0dc58 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x562bfbf6b4ee - std::sys_common::backtrace::__rust_begin_short_backtrace::h1a1076e4fb123de5 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/sys_common/backtrace.rs:123:18 [INFO] [stderr] 20: 0x562bfbf6bdf1 - std::rt::lang_start::{{closure}}::hb068142db183dad5 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:145:18 [INFO] [stderr] 21: 0x562bfc056d61 - core::ops::function::impls:: for &F>::call_once::h42d3791e66d196c0 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x562bfc056d61 - std::panicking::try::do_call::hc3bcb188e535517f [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:406:40 [INFO] [stderr] 23: 0x562bfc056d61 - std::panicking::try::hb1edf04d4a7097ab [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:370:19 [INFO] [stderr] 24: 0x562bfc056d61 - std::panic::catch_unwind::h75ed941ac0d36d57 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panic.rs:133:14 [INFO] [stderr] 25: 0x562bfc056d61 - std::rt::lang_start_internal::{{closure}}::hc702b3389af4cbea [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:128:48 [INFO] [stderr] 26: 0x562bfc056d61 - std::panicking::try::do_call::h53276a03c7fe2ebc [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:406:40 [INFO] [stderr] 27: 0x562bfc056d61 - std::panicking::try::ha9e37f45dc542517 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panicking.rs:370:19 [INFO] [stderr] 28: 0x562bfc056d61 - std::panic::catch_unwind::h182647595766fee7 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/panic.rs:133:14 [INFO] [stderr] 29: 0x562bfc056d61 - std::rt::lang_start_internal::h571831ebdba142de [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:128:20 [INFO] [stderr] 30: 0x562bfbf6bdc0 - std::rt::lang_start::hcf50d3ed26b483b1 [INFO] [stderr] at /rustc/8262275854dc0e5381c9d42d56257d94932c5a87/library/std/src/rt.rs:144:17 [INFO] [stderr] 31: 0x562bfbf6bd8c - main [INFO] [stderr] 32: 0x7f86e4fa10b3 - __libc_start_main [INFO] [stderr] 33: 0x562bfbf6a8ae - _start [INFO] [stderr] 34: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "0379d35d6cbc06a12abb6d4b9be7fbcd37db0a6a6a58d5703e3f758551729668", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0379d35d6cbc06a12abb6d4b9be7fbcd37db0a6a6a58d5703e3f758551729668", kill_on_drop: false }` [INFO] [stdout] 0379d35d6cbc06a12abb6d4b9be7fbcd37db0a6a6a58d5703e3f758551729668