[INFO] cloning repository https://github.com/djog/Rust_Project_2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/djog/Rust_Project_2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjog%2FRust_Project_2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjog%2FRust_Project_2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 40658f70796dadbed22f4786a8e7bc634892b884 [INFO] checking djog/Rust_Project_2020 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjog%2FRust_Project_2020" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/djog/Rust_Project_2020 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/djog/Rust_Project_2020 [INFO] finished tweaking git repo https://github.com/djog/Rust_Project_2020 [INFO] tweaked toml for git repo https://github.com/djog/Rust_Project_2020 written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/djog/Rust_Project_2020 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded err-derive v0.2.4 [INFO] [stderr] Downloaded inventory-impl v0.1.6 [INFO] [stderr] Downloaded proc-macro2 v1.0.14 [INFO] [stderr] Downloaded mint v0.5.5 [INFO] [stderr] Downloaded ctor v0.1.14 [INFO] [stderr] Downloaded inventory v0.1.6 [INFO] [stderr] Downloaded serde_bytes v0.11.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7c16db80b366a82e58525828110b6e078a83f3b3a0e9a040d70e8f9b292db76c [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" "7c16db80b366a82e58525828110b6e078a83f3b3a0e9a040d70e8f9b292db76c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7c16db80b366a82e58525828110b6e078a83f3b3a0e9a040d70e8f9b292db76c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c16db80b366a82e58525828110b6e078a83f3b3a0e9a040d70e8f9b292db76c", kill_on_drop: false }` [INFO] [stdout] 7c16db80b366a82e58525828110b6e078a83f3b3a0e9a040d70e8f9b292db76c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9f970e7873df07bb74bf71800b814632911b13a16b4302d699e3190d6dfc8373 [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" "9f970e7873df07bb74bf71800b814632911b13a16b4302d699e3190d6dfc8373", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling proc-macro2 v1.0.14 [INFO] [stderr] Compiling syn v1.0.23 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking ppv-lite86 v0.2.8 [INFO] [stderr] Checking ahash v0.3.5 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Checking mint v0.5.5 [INFO] [stderr] Checking mopa v0.2.2 [INFO] [stderr] Checking tuple_utils v0.3.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking shrev v1.1.1 [INFO] [stderr] Compiling inventory v0.1.6 [INFO] [stderr] Checking approx v0.1.1 [INFO] [stderr] Checking xi-unicode v0.2.0 [INFO] [stderr] Checking float-ord v0.2.0 [INFO] [stderr] Checking semver-parser v0.7.0 [INFO] [stderr] Checking unicode-segmentation v1.6.0 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Compiling nom v5.1.1 [INFO] [stderr] Compiling x11 v2.18.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.2 [INFO] [stderr] Compiling proc-macro-error v1.0.2 [INFO] [stderr] Compiling servo-fontconfig-sys v4.0.9 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking matrixmultiply v0.2.3 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling servo-freetype-sys v4.0.5 [INFO] [stderr] Compiling expat-sys v2.1.6 [INFO] [stderr] Checking arrayvec v0.4.12 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking crc32fast v1.2.0 [INFO] [stderr] Checking stb_truetype v0.3.1 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking deflate v0.7.20 [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] Compiling thread_local v1.0.1 [INFO] [stderr] Checking phf v0.7.24 [INFO] [stderr] Checking generic-array v0.13.2 [INFO] [stderr] Checking semver v0.9.0 [INFO] [stderr] Checking type-map v0.3.0 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [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-traits v0.2.11 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.40 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling hashbrown v0.7.2 [INFO] [stderr] Checking dlib v0.4.1 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling aho-corasick v0.7.10 [INFO] [stderr] Checking rustc_version v0.2.3 [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: 0x55859afc6550 - std::backtrace_rs::backtrace::libunwind::trace::h1037ca7e6eeef65c [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55859afc6550 - std::backtrace_rs::backtrace::trace_unsynchronized::haaefac1bc3669450 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55859afc6550 - std::sys_common::backtrace::_print_fmt::h863a6f5e6d995885 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55859afc6550 - ::fmt::h767e17e1aa7df6a8 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55859afe40ff - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/core/src/fmt/mod.rs:1094:17 [INFO] [stderr] 5: 0x55859afc4535 - std::io::Write::write_fmt::h4c802b6f761026c1 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/io/mod.rs:1584:15 [INFO] [stderr] 6: 0x55859afc820b - std::sys_common::backtrace::_print::h2769edb26a7eb606 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55859afc820b - std::sys_common::backtrace::print::ha71f3549862b4cb6 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55859afc820b - std::panicking::default_hook::{{closure}}::h95488a3bade217f6 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55859afc7ce1 - std::panicking::default_hook::h290aa602c0fb11df [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55859afc8820 - std::panicking::rust_panic_with_hook::hf32c4fa635e215f2 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/panicking.rs:625:17 [INFO] [stderr] 11: 0x55859afc83b7 - std::panicking::begin_panic_handler::{{closure}}::h95197ccd88846f7a [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x55859afc69ec - std::sys_common::backtrace::__rust_end_short_backtrace::h7641df9566f7b7d0 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55859afc8319 - rust_begin_unwind [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x55859af91ff1 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55859af92083 - core::result::unwrap_failed::hf79563fef9d11ab8 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x55859af95d7a - core::result::Result::unwrap::he01d6967d34d3c7e [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x55859af932ce - 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: 0x55859af9444b - core::ops::function::FnOnce::call_once::h4aefd2774485edf5 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55859af947de - std::sys_common::backtrace::__rust_begin_short_backtrace::he2c9ceeec9319c7d [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55859af94401 - std::rt::lang_start::{{closure}}::h8ae687af2336fe8a [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/rt.rs:49:18 [INFO] [stderr] 21: 0x55859afc8c5a - core::ops::function::impls:: for &F>::call_once::h04259e4a34d07c2f [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x55859afc8c5a - std::panicking::try::do_call::hb8da45704d5cfbbf [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/panicking.rs:401:40 [INFO] [stderr] 23: 0x55859afc8c5a - std::panicking::try::h4beadc19a78fec52 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/panicking.rs:365:19 [INFO] [stderr] 24: 0x55859afc8c5a - std::panic::catch_unwind::hc58016cd36ba81a4 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/panic.rs:433:14 [INFO] [stderr] 25: 0x55859afc8c5a - std::rt::lang_start_internal::hc51399759a90501a [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/rt.rs:34:21 [INFO] [stderr] 26: 0x55859af943e0 - std::rt::lang_start::hb64c2f04eaa32641 [INFO] [stderr] at /rustc/3bb2879ea9e58d65b875f9a98df44f4a43ce2597/library/std/src/rt.rs:48:5 [INFO] [stderr] 27: 0x55859af943ac - main [INFO] [stderr] 28: 0x7faa854130b3 - __libc_start_main [INFO] [stderr] 29: 0x55859af9274e - _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" "9f970e7873df07bb74bf71800b814632911b13a16b4302d699e3190d6dfc8373", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f970e7873df07bb74bf71800b814632911b13a16b4302d699e3190d6dfc8373", kill_on_drop: false }` [INFO] [stdout] 9f970e7873df07bb74bf71800b814632911b13a16b4302d699e3190d6dfc8373