[INFO] cloning repository https://github.com/MegasKomnenos/poc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MegasKomnenos/poc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMegasKomnenos%2Fpoc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMegasKomnenos%2Fpoc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 93177a2fd0c5cf8aec3e8450d64f34343ed803c4 [INFO] checking MegasKomnenos/poc against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMegasKomnenos%2Fpoc" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MegasKomnenos/poc on toolchain fc81ad22c453776de16acf9938976930cf8c9401 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MegasKomnenos/poc [INFO] finished tweaking git repo https://github.com/MegasKomnenos/poc [INFO] tweaked toml for git repo https://github.com/MegasKomnenos/poc written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/MegasKomnenos/poc already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0701fa384fb3da7c43dd40743478419fe79b6351d4760fe8b18983cb2ef4373a [INFO] running `Command { std: "docker" "start" "-a" "0701fa384fb3da7c43dd40743478419fe79b6351d4760fe8b18983cb2ef4373a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0701fa384fb3da7c43dd40743478419fe79b6351d4760fe8b18983cb2ef4373a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0701fa384fb3da7c43dd40743478419fe79b6351d4760fe8b18983cb2ef4373a", kill_on_drop: false }` [INFO] [stdout] 0701fa384fb3da7c43dd40743478419fe79b6351d4760fe8b18983cb2ef4373a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 675ae65ced39c10e00c66b032ab844863b165f2004222e6c36ffe30c02cae9f9 [INFO] running `Command { std: "docker" "start" "-a" "675ae65ced39c10e00c66b032ab844863b165f2004222e6c36ffe30c02cae9f9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Compiling syn v1.0.8 [INFO] [stderr] Compiling serde v1.0.103 [INFO] [stderr] Compiling cc v1.0.47 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling rayon-core v1.6.1 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking siphasher v0.2.3 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking static_assertions v0.3.4 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling build_const v0.2.1 [INFO] [stderr] Compiling num-traits v0.2.9 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling hashbrown v0.6.3 [INFO] [stderr] Compiling bincode v1.2.0 [INFO] [stderr] Checking lock_api v0.3.1 [INFO] [stderr] Compiling x11-dl v2.18.4 [INFO] [stderr] Compiling alsa-sys v0.1.2 [INFO] [stderr] Compiling servo-fontconfig-sys v4.0.7 [INFO] [stderr] Checking itertools v0.8.1 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling unic-langid-impl v0.6.2 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling err-derive v0.1.6 [INFO] [stderr] Compiling lexical-core v0.4.6 [INFO] [stderr] Compiling lexical v2.2.2 [INFO] [stderr] Compiling rustc_version_runtime v0.1.5 [INFO] [stderr] Checking rustc-hash v1.0.1 [INFO] [stderr] Checking stb_truetype v0.3.0 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking ogg v0.7.0 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Checking crossbeam-queue v0.2.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] error: failed to run custom build command for `rustc_version_runtime v0.1.5` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/rustc_version_runtime-550011522487f208/build-script-build` (exit status: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: Other, message: "Read-only file system" }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27:48 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x557409b32990 - std::backtrace_rs::backtrace::libunwind::trace::h1037ca7e6eeef65c [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x557409b32990 - std::backtrace_rs::backtrace::trace_unsynchronized::haaefac1bc3669450 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x557409b32990 - std::sys_common::backtrace::_print_fmt::h863a6f5e6d995885 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x557409b32990 - ::fmt::h767e17e1aa7df6a8 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x557409b4fa1c - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/core/src/fmt/mod.rs:1110:17 [INFO] [stderr] 5: 0x557409b30925 - std::io::Write::write_fmt::h4c802b6f761026c1 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/io/mod.rs:1584:15 [INFO] [stderr] 6: 0x557409b3462b - std::sys_common::backtrace::_print::h2769edb26a7eb606 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x557409b3462b - std::sys_common::backtrace::print::ha71f3549862b4cb6 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x557409b3462b - std::panicking::default_hook::{{closure}}::h95488a3bade217f6 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x557409b34101 - std::panicking::default_hook::h290aa602c0fb11df [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x557409b34cd1 - std::panicking::rust_panic_with_hook::hf32c4fa635e215f2 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x557409b347d7 - std::panicking::begin_panic_handler::{{closure}}::h95197ccd88846f7a [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x557409b32e6c - std::sys_common::backtrace::__rust_end_short_backtrace::h7641df9566f7b7d0 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x557409b34739 - rust_begin_unwind [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x557409afe051 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x557409afe0e3 - core::result::unwrap_failed::hf79563fef9d11ab8 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x557409b01e5e - core::result::Result::unwrap::he01d6967d34d3c7e [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x557409aff34e - build_script_build::main::h69ab4225330822d8 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27:17 [INFO] [stderr] 18: 0x557409b004eb - core::ops::function::FnOnce::call_once::h4aefd2774485edf5 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x557409b0087e - std::sys_common::backtrace::__rust_begin_short_backtrace::he2c9ceeec9319c7d [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x557409b004a1 - std::rt::lang_start::{{closure}}::h8ae687af2336fe8a [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/rt.rs:49:18 [INFO] [stderr] 21: 0x557409b351c9 - core::ops::function::impls:: for &F>::call_once::h04259e4a34d07c2f [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x557409b351c9 - std::panicking::try::do_call::hb8da45704d5cfbbf [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/panicking.rs:401:40 [INFO] [stderr] 23: 0x557409b351c9 - std::panicking::try::h4beadc19a78fec52 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/panicking.rs:365:19 [INFO] [stderr] 24: 0x557409b351c9 - std::panic::catch_unwind::hc58016cd36ba81a4 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/panic.rs:433:14 [INFO] [stderr] 25: 0x557409b351c9 - std::rt::lang_start_internal::hc51399759a90501a [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/rt.rs:34:21 [INFO] [stderr] 26: 0x557409b00480 - std::rt::lang_start::hb64c2f04eaa32641 [INFO] [stderr] at /rustc/fc81ad22c453776de16acf9938976930cf8c9401/library/std/src/rt.rs:48:5 [INFO] [stderr] 27: 0x557409b0044c - main [INFO] [stderr] 28: 0x7fb6972d30b3 - __libc_start_main [INFO] [stderr] 29: 0x557409afe7ae - _start [INFO] [stderr] 30: 0x0 - [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "675ae65ced39c10e00c66b032ab844863b165f2004222e6c36ffe30c02cae9f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "675ae65ced39c10e00c66b032ab844863b165f2004222e6c36ffe30c02cae9f9", kill_on_drop: false }` [INFO] [stdout] 675ae65ced39c10e00c66b032ab844863b165f2004222e6c36ffe30c02cae9f9