[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#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMegasKomnenos%2Fpoc2" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MegasKomnenos/poc2 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded unic-langid-macros-impl v0.6.0 [INFO] [stderr] Downloaded intl_pluralrules v4.0.1 [INFO] [stderr] Downloaded fluent v0.8.0 [INFO] [stderr] Downloaded euclid v0.20.6 [INFO] [stderr] Downloaded unic-langid-macros v0.6.0 [INFO] [stderr] Downloaded unic-langid-impl v0.6.2 [INFO] [stderr] Downloaded inventory-impl v0.1.4 [INFO] [stderr] Downloaded bitintr v0.3.0 [INFO] [stderr] Downloaded unic-langid v0.6.1 [INFO] [stderr] Downloaded fluent-syntax v0.9.1 [INFO] [stderr] Downloaded proc_macro_roids v0.6.0 [INFO] [stderr] Downloaded shred v0.9.4 [INFO] [stderr] Downloaded pathfinding v2.0.0 [INFO] [stderr] Downloaded serde_bytes v0.11.3 [INFO] [stderr] Downloaded inventory v0.1.4 [INFO] [stderr] Downloaded err-derive v0.1.6 [INFO] [stderr] Downloaded enum-primitive-derive v0.1.2 [INFO] [stderr] Downloaded getset v0.0.8 [INFO] [stderr] Downloaded ordered-float v0.5.2 [INFO] [stderr] Downloaded fluent-bundle v0.8.0 [INFO] [stderr] Downloaded voronoi v0.1.4 [INFO] [stderr] Downloaded fluent-locale v0.10.1 [INFO] [stderr] Downloaded servo-fontconfig-sys v4.0.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 87d00fadbfd97ed1b4b192db9a3e8addbfed294eb0ca7c49ef744a9740310764 [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" "87d00fadbfd97ed1b4b192db9a3e8addbfed294eb0ca7c49ef744a9740310764", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "87d00fadbfd97ed1b4b192db9a3e8addbfed294eb0ca7c49ef744a9740310764", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87d00fadbfd97ed1b4b192db9a3e8addbfed294eb0ca7c49ef744a9740310764", kill_on_drop: false }` [INFO] [stdout] 87d00fadbfd97ed1b4b192db9a3e8addbfed294eb0ca7c49ef744a9740310764 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5a0b0a343c766fea1f5ad50220639150bec776137b32868a1ccb8f623f5f9ecb [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" "5a0b0a343c766fea1f5ad50220639150bec776137b32868a1ccb8f623f5f9ecb", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking linked-hash-map v0.5.2 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking same-file v1.0.5 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling libm v0.1.4 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Checking mopa v0.2.2 [INFO] [stderr] Checking tuple_utils v0.3.0 [INFO] [stderr] Checking shrev v1.1.1 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Compiling edit-distance v2.1.0 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking approx v0.1.1 [INFO] [stderr] Checking static_assertions v0.3.4 [INFO] [stderr] Checking objekt v0.1.2 [INFO] [stderr] Compiling tinystr v0.3.2 [INFO] [stderr] Compiling cgmath v0.16.1 [INFO] [stderr] Checking static_assertions v1.1.0 [INFO] [stderr] Compiling build_const v0.2.1 [INFO] [stderr] Checking hound v3.4.0 [INFO] [stderr] Checking xi-unicode v0.2.0 [INFO] [stderr] Checking float-ord v0.2.0 [INFO] [stderr] Checking fluent-syntax v0.9.1 [INFO] [stderr] Compiling bitintr v0.3.0 [INFO] [stderr] Checking semver-parser v0.7.0 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [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 num-complex v0.2.3 [INFO] [stderr] Compiling hashbrown v0.6.3 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Compiling cmake v0.1.42 [INFO] [stderr] Compiling x11-dl v2.18.4 [INFO] [stderr] Compiling x11 v2.18.1 [INFO] [stderr] Compiling alsa-sys v0.1.2 [INFO] [stderr] Compiling servo-fontconfig-sys v4.0.8 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking inflate v0.3.4 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Checking gif v0.9.2 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking unic-langid-impl v0.6.2 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking semver v0.9.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Compiling c2-chacha v0.2.3 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking num_cpus v1.11.1 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking getrandom v0.1.13 [INFO] [stderr] Checking raw-window-handle v0.3.3 [INFO] [stderr] Checking shared_library v0.1.9 [INFO] [stderr] Checking raw-window-handle v0.1.2 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking slice-deque v0.2.4 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking nix v0.14.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling servo-freetype-sys v4.0.5 [INFO] [stderr] Compiling expat-sys v2.1.6 [INFO] [stderr] Checking backtrace-sys v0.1.32 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling lexical-core v0.4.6 [INFO] [stderr] Compiling err-derive v0.1.6 [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 stb_truetype v0.3.1 [INFO] [stderr] Checking rustc-hash v1.0.1 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking ogg v0.7.0 [INFO] [stderr] Checking generic-array v0.13.2 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking rustc_version v0.2.3 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling dirs-sys v0.3.4 [INFO] [stderr] Checking ash v0.29.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling xcb v0.8.2 [INFO] [stderr] Checking colored v1.9.0 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Checking minimp3 v0.3.3 [INFO] [stderr] Compiling wayland-scanner v0.21.13 [INFO] [stderr] Compiling syn v0.14.9 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking png v0.15.2 [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-ed7b1f1a5b119776/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: 0x556bb0e05510 - std::backtrace_rs::backtrace::libunwind::trace::ha1eabb142084ea37 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x556bb0e05510 - std::backtrace_rs::backtrace::trace_unsynchronized::hbb8825661d997281 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x556bb0e05510 - std::sys_common::backtrace::_print_fmt::h26d850e2f7183914 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x556bb0e05510 - ::fmt::h3834b06f68a2b012 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x556bb0e234bc - core::fmt::write::h3a043650ba7bf668 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/core/src/fmt/mod.rs:1117 [INFO] [stderr] 5: 0x556bb0e03265 - std::io::Write::write_fmt::h9c0c8944a1898139 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/io/mod.rs:1510 [INFO] [stderr] 6: 0x556bb0e07690 - std::sys_common::backtrace::_print::h693c0c2cc41d4d10 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x556bb0e07690 - std::sys_common::backtrace::print::h213be73e5670b8ea [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x556bb0e07690 - std::panicking::default_hook::{{closure}}::h2d49a3361cc4e7ea [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/panicking.rs:200 [INFO] [stderr] 9: 0x556bb0e073dc - std::panicking::default_hook::hd41fbdeba93207ba [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/panicking.rs:219 [INFO] [stderr] 10: 0x556bb0e07cf3 - std::panicking::rust_panic_with_hook::hcab398664b4bd473 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/panicking.rs:569 [INFO] [stderr] 11: 0x556bb0e078c9 - std::panicking::begin_panic_handler::{{closure}}::h7512c6f2998ba93d [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/panicking.rs:476 [INFO] [stderr] 12: 0x556bb0e0597c - std::sys_common::backtrace::__rust_end_short_backtrace::h1a25d7e7e1864d3d [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 13: 0x556bb0e07889 - rust_begin_unwind [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/panicking.rs:475 [INFO] [stderr] 14: 0x556bb0e228c1 - core::panicking::panic_fmt::h019ad16a92ccd092 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/core/src/panicking.rs:85 [INFO] [stderr] 15: 0x556bb0e226e3 - core::option::expect_none_failed::h7135ba2fdb185931 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/core/src/option.rs:1219 [INFO] [stderr] 16: 0x556bb0dd1e7b - core::result::Result::unwrap::ha84fe522f295f545 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/core/src/result.rs:1005 [INFO] [stderr] 17: 0x556bb0dce735 - build_script_build::main::h1908632b746efad9 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rustc_version_runtime-0.1.5/build.rs:27 [INFO] [stderr] 18: 0x556bb0dd034b - core::ops::function::FnOnce::call_once::h691e7a8690f7e116 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/core/src/ops/function.rs:233 [INFO] [stderr] 19: 0x556bb0dd005e - std::sys_common::backtrace::__rust_begin_short_backtrace::hee0cbf377d7d8592 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/sys_common/backtrace.rs:137 [INFO] [stderr] 20: 0x556bb0dd05f1 - std::rt::lang_start::{{closure}}::h2e3a62f85266296e [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/rt.rs:66 [INFO] [stderr] 21: 0x556bb0e08102 - core::ops::function::impls:: for &F>::call_once::hde9814ae740a85dc [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/core/src/ops/function.rs:265 [INFO] [stderr] 22: 0x556bb0e08102 - std::panicking::try::do_call::h3026bab8cd7540d7 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/panicking.rs:373 [INFO] [stderr] 23: 0x556bb0e08102 - std::panicking::try::h852bb5e5a66f7f84 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/panicking.rs:337 [INFO] [stderr] 24: 0x556bb0e08102 - std::panic::catch_unwind::hfeb0f3dddf7c6a72 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/panic.rs:394 [INFO] [stderr] 25: 0x556bb0e08102 - std::rt::lang_start_internal::h32f0ac6e87476559 [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/rt.rs:51 [INFO] [stderr] 26: 0x556bb0dd05c7 - std::rt::lang_start::h279a285b651351ac [INFO] [stderr] at /rustc/ffa4a0215752773248fb0f0a8092f1c3e7907e9e/library/std/src/rt.rs:65 [INFO] [stderr] 27: 0x556bb0dcf7ca - main [INFO] [stderr] 28: 0x7f26f71c90b3 - __libc_start_main [INFO] [stderr] 29: 0x556bb0dce0ae - _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" "5a0b0a343c766fea1f5ad50220639150bec776137b32868a1ccb8f623f5f9ecb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a0b0a343c766fea1f5ad50220639150bec776137b32868a1ccb8f623f5f9ecb", kill_on_drop: false }` [INFO] [stdout] 5a0b0a343c766fea1f5ad50220639150bec776137b32868a1ccb8f623f5f9ecb