[INFO] cloning repository https://github.com/MegasKomnenos/poc2 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MegasKomnenos/poc2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMegasKomnenos%2Fpoc2", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMegasKomnenos%2Fpoc2'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a0a0ac56a34fef225f98d35eb4db4f1220018b4b [INFO] checking MegasKomnenos/poc2 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMegasKomnenos%2Fpoc2" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MegasKomnenos/poc2 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MegasKomnenos/poc2 [INFO] finished tweaking git repo https://github.com/MegasKomnenos/poc2 [INFO] tweaked toml for git repo https://github.com/MegasKomnenos/poc2 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/MegasKomnenos/poc2 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bitintr v0.3.0 [INFO] [stderr] Downloaded inventory v0.1.4 [INFO] [stderr] Downloaded paste-impl v0.1.6 [INFO] [stderr] Downloaded fluent-syntax v0.9.1 [INFO] [stderr] Downloaded getset v0.0.8 [INFO] [stderr] Downloaded inventory-impl v0.1.4 [INFO] [stderr] Downloaded intl_pluralrules v4.0.1 [INFO] [stderr] Downloaded fluent-bundle v0.8.0 [INFO] [stderr] Downloaded fluent-locale v0.10.1 [INFO] [stderr] Downloaded unic-langid-impl v0.6.2 [INFO] [stderr] Downloaded unic-langid-macros-impl v0.6.0 [INFO] [stderr] Downloaded paste v0.1.6 [INFO] [stderr] Downloaded serde_bytes v0.11.3 [INFO] [stderr] Downloaded crossbeam-queue v0.2.0 [INFO] [stderr] Downloaded unic-langid v0.6.1 [INFO] [stderr] Downloaded shred v0.9.4 [INFO] [stderr] Downloaded euclid v0.20.6 [INFO] [stderr] Downloaded voronoi v0.1.4 [INFO] [stderr] Downloaded fluent v0.8.0 [INFO] [stderr] Downloaded proc_macro_roids v0.6.0 [INFO] [stderr] Downloaded err-derive v0.1.6 [INFO] [stderr] Downloaded num-bigint v0.2.3 [INFO] [stderr] Downloaded pathfinding v2.0.0 [INFO] [stderr] Downloaded unic-langid-macros v0.6.0 [INFO] [stderr] Downloaded servo-fontconfig-sys v4.0.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 54ce405653926e39e9a7fd885601061bb3289794d7ab47fd3b3a824181f07e66 [INFO] running `Command { std: "docker" "start" "-a" "54ce405653926e39e9a7fd885601061bb3289794d7ab47fd3b3a824181f07e66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "54ce405653926e39e9a7fd885601061bb3289794d7ab47fd3b3a824181f07e66", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54ce405653926e39e9a7fd885601061bb3289794d7ab47fd3b3a824181f07e66", kill_on_drop: false }` [INFO] [stdout] 54ce405653926e39e9a7fd885601061bb3289794d7ab47fd3b3a824181f07e66 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f771938cf42523e9090ec9d5d9e2514c2daf1fd745e0cec7104ab989c98a69c1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f771938cf42523e9090ec9d5d9e2514c2daf1fd745e0cec7104ab989c98a69c1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Checking siphasher v0.2.3 [INFO] [stderr] Checking static_assertions v0.3.4 [INFO] [stderr] Compiling tinystr v0.3.2 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking fluent-syntax v0.9.1 [INFO] [stderr] Compiling bitintr v0.3.0 [INFO] [stderr] Checking fixedbitset v0.2.0 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling cmake v0.1.42 [INFO] [stderr] Checking lock_api v0.3.2 [INFO] [stderr] Compiling x11 v2.18.1 [INFO] [stderr] Compiling servo-fontconfig-sys v4.0.8 [INFO] [stderr] Checking gif v0.9.2 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking inflate v0.3.4 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking phf_shared v0.7.24 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Checking unic-langid-impl v0.6.2 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-complex v0.2.3 [INFO] [stderr] Compiling hashbrown v0.6.3 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Compiling syn v0.11.11 [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 deflate v0.7.20 [INFO] [stderr] Checking base64 v0.10.1 [INFO] [stderr] Compiling servo-freetype-sys v4.0.5 [INFO] [stderr] Compiling expat-sys v2.1.6 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling wayland-scanner v0.21.13 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Compiling aho-corasick v0.7.6 [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-b9f73338247c74ea/build-script-build` (exit code: 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: 0x5591e044bc80 - std::backtrace_rs::backtrace::libunwind::trace::h9d49145f95eb5894 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x5591e044bc80 - std::backtrace_rs::backtrace::trace_unsynchronized::hab1d020365bb6864 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x5591e044bc80 - std::sys_common::backtrace::_print_fmt::h7659588431e304bd [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x5591e044bc80 - ::fmt::h09f4a9e3befae3c7 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x5591e0466bac - core::fmt::write::hf3fdfde304b9a088 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/core/src/fmt/mod.rs:1092:17 [INFO] [stderr] 5: 0x5591e04494e2 - std::io::Write::write_fmt::h1cb850689c7116f0 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/io/mod.rs:1568:15 [INFO] [stderr] 6: 0x5591e044d9d5 - std::sys_common::backtrace::_print::hdbccd5aa093ba544 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x5591e044d9d5 - std::sys_common::backtrace::print::hc639c4f320222558 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x5591e044d9d5 - std::panicking::default_hook::{{closure}}::hdb012dd7a485bb5d [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x5591e044d483 - std::panicking::default_hook::h75facbce77b6ba91 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x5591e044e171 - std::panicking::rust_panic_with_hook::hbcaa5de2cb5e22d5 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x5591e044dcb7 - std::panicking::begin_panic_handler::{{closure}}::h4ee6cde415c8f62d [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x5591e044c13c - std::sys_common::backtrace::__rust_end_short_backtrace::h895319f2d3f611c0 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x5591e044dc19 - rust_begin_unwind [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x5591e0465df1 - core::panicking::panic_fmt::h0123abb763a6e96f [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x5591e0465c13 - core::option::expect_none_failed::h9fff90ea7603aa1d [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/core/src/option.rs:1300:5 [INFO] [stderr] 16: 0x5591e0411e4b - core::result::Result::unwrap::h04b4dac99b435b6e [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x5591e040e754 - build_script_build::main::h8b2bf5cd9f80e013 [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: 0x5591e040ff5b - core::ops::function::FnOnce::call_once::h6cc89cf0b7483185 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x5591e04102fe - std::sys_common::backtrace::__rust_begin_short_backtrace::hc53ac73b62e6a118 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x5591e04105e1 - std::rt::lang_start::{{closure}}::h98954f56abb845c6 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x5591e044e58a - core::ops::function::impls:: for &F>::call_once::h31ee16c075ae2d62 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x5591e044e58a - std::panicking::try::do_call::h3993344bf97066b6 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x5591e044e58a - std::panicking::try::h09e523df7c9c2d28 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x5591e044e58a - std::panic::catch_unwind::h9d4ddb10ebb815ff [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/panic.rs:431:14 [INFO] [stderr] 25: 0x5591e044e58a - std::rt::lang_start_internal::hc92e27a69d75de2a [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x5591e04105b7 - std::rt::lang_start::h1663fda75d39b629 [INFO] [stderr] at /rustc/8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x5591e040f7da - main [INFO] [stderr] 28: 0x7fd4efad10b3 - __libc_start_main [INFO] [stderr] 29: 0x5591e040e0ae - _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" "f771938cf42523e9090ec9d5d9e2514c2daf1fd745e0cec7104ab989c98a69c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f771938cf42523e9090ec9d5d9e2514c2daf1fd745e0cec7104ab989c98a69c1", kill_on_drop: false }` [INFO] [stdout] f771938cf42523e9090ec9d5d9e2514c2daf1fd745e0cec7104ab989c98a69c1