[INFO] cloning repository https://github.com/ikrelln/ikrelln [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ikrelln/ikrelln" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikrelln%2Fikrelln", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikrelln%2Fikrelln'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 939c33aaaa58c373cfde985f997f7e2adf1a3151 [INFO] testing ikrelln/ikrelln against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fikrelln%2Fikrelln" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ikrelln/ikrelln on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ikrelln/ikrelln [INFO] finished tweaking git repo https://github.com/ikrelln/ikrelln [INFO] tweaked toml for git repo https://github.com/ikrelln/ikrelln written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/ikrelln/ikrelln already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3277f6b243dd041cdfd315aabc08e8da57435254095017578798ac55e6d8d4d5 [INFO] running `Command { std: "docker" "start" "-a" "3277f6b243dd041cdfd315aabc08e8da57435254095017578798ac55e6d8d4d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3277f6b243dd041cdfd315aabc08e8da57435254095017578798ac55e6d8d4d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3277f6b243dd041cdfd315aabc08e8da57435254095017578798ac55e6d8d4d5", kill_on_drop: false }` [INFO] [stdout] 3277f6b243dd041cdfd315aabc08e8da57435254095017578798ac55e6d8d4d5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c9c1e92d27a77bf644af810561c2f8341df349af40198cdc1f0dcc9218362eed [INFO] running `Command { std: "docker" "start" "-a" "c9c1e92d27a77bf644af810561c2f8341df349af40198cdc1f0dcc9218362eed", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.48 [INFO] [stderr] Compiling cfg-if v0.1.6 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling cc v1.0.29 [INFO] [stderr] Compiling void v1.0.2 [INFO] [stderr] Compiling futures v0.1.27 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling stable_deref_trait v1.1.1 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling nodrop v0.1.13 [INFO] [stderr] Compiling memoffset v0.2.1 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling serde v1.0.91 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling crc32fast v1.1.2 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Compiling openssl v0.10.19 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling native-tls v0.2.2 [INFO] [stderr] Compiling arc-swap v0.3.7 [INFO] [stderr] Compiling linked-hash-map v0.4.2 [INFO] [stderr] Compiling try-lock v0.2.2 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling openssl-probe v0.1.2 [INFO] [stderr] Compiling adler32 v1.0.3 [INFO] [stderr] Compiling unicode-segmentation v1.2.1 [INFO] [stderr] Compiling termcolor v1.0.4 [INFO] [stderr] Compiling sha1 v0.6.0 [INFO] [stderr] Compiling ikrelln v0.3.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Compiling humantime v1.2.0 [INFO] [stderr] Compiling unreachable v1.0.0 [INFO] [stderr] Compiling owning_ref v0.4.0 [INFO] [stderr] Compiling log v0.4.6 [INFO] [stderr] Compiling crossbeam-utils v0.6.5 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Compiling encoding_rs v0.8.17 [INFO] [stderr] Compiling regex-syntax v0.6.5 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Compiling lru-cache v0.1.1 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling nom v4.2.0 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling lock_api v0.1.5 [INFO] [stderr] Compiling smallvec v0.6.8 [INFO] [stderr] Compiling fern v0.5.8 [INFO] [stderr] Compiling crossbeam-epoch v0.7.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling unicase v2.2.0 [INFO] [stderr] Compiling v_escape v0.7.2 [INFO] [stderr] Compiling actix-web v0.7.19 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Compiling crossbeam-channel v0.3.8 [INFO] [stderr] Compiling unicode-normalization v0.1.8 [INFO] [stderr] Compiling tokio-executor v0.1.6 [INFO] [stderr] Compiling tokio-sync v0.1.1 [INFO] [stderr] Compiling want v0.0.6 [INFO] [stderr] Compiling tower-service v0.1.0 [INFO] [stderr] Compiling libflate v0.1.20 [INFO] [stderr] Compiling crossbeam-deque v0.6.3 [INFO] [stderr] Compiling tokio-timer v0.2.10 [INFO] [stderr] Compiling tokio-current-thread v0.1.4 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Compiling rand_os v0.1.2 [INFO] [stderr] Compiling iovec v0.1.2 [INFO] [stderr] Compiling num_cpus v1.9.0 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling socket2 v0.3.8 [INFO] [stderr] Compiling hostname v0.1.5 [INFO] [stderr] Compiling signal-hook v0.1.7 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling mime v0.3.13 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling openssl-sys v0.9.44 [INFO] [stderr] Compiling brotli-sys v0.3.2 [INFO] [stderr] Compiling ring v0.13.5 [INFO] [stderr] Compiling miniz-sys v0.1.11 [INFO] [stderr] Compiling bytes v0.4.11 [INFO] [stderr] Compiling mio v0.6.16 [INFO] [stderr] Compiling resolv-conf v0.6.2 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling phf v0.7.24 [INFO] [stderr] Compiling tokio-io v0.1.11 [INFO] [stderr] Compiling http v0.1.17 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] error: failed to run custom build command for `ikrelln v0.3.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/ikrelln-f6c05db620bdcd9e/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" }', build.rs:88:58 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x56178ea55510 - std::backtrace_rs::backtrace::libunwind::trace::h1037ca7e6eeef65c [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x56178ea55510 - std::backtrace_rs::backtrace::trace_unsynchronized::haaefac1bc3669450 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x56178ea55510 - std::sys_common::backtrace::_print_fmt::h863a6f5e6d995885 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x56178ea55510 - ::fmt::h767e17e1aa7df6a8 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x56178ea7230c - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/fmt/mod.rs:1110:17 [INFO] [stderr] 5: 0x56178ea534a5 - std::io::Write::write_fmt::h4c802b6f761026c1 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/io/mod.rs:1584:15 [INFO] [stderr] 6: 0x56178ea5713b - std::sys_common::backtrace::_print::h2769edb26a7eb606 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x56178ea5713b - std::sys_common::backtrace::print::ha71f3549862b4cb6 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x56178ea5713b - std::panicking::default_hook::{{closure}}::h95488a3bade217f6 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x56178ea56c11 - std::panicking::default_hook::h290aa602c0fb11df [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x56178ea577e1 - std::panicking::rust_panic_with_hook::hf32c4fa635e215f2 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:622:17 [INFO] [stderr] 11: 0x56178ea572e7 - std::panicking::begin_panic_handler::{{closure}}::h95197ccd88846f7a [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:519:13 [INFO] [stderr] 12: 0x56178ea559ec - std::sys_common::backtrace::__rust_end_short_backtrace::h7641df9566f7b7d0 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x56178ea57249 - rust_begin_unwind [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:515:5 [INFO] [stderr] 14: 0x56178ea36051 - core::panicking::panic_fmt::hbe99dddd3092ba3c [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x56178ea360e3 - core::result::unwrap_failed::hf79563fef9d11ab8 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/result.rs:1355:5 [INFO] [stderr] 16: 0x56178ea3ebce - core::result::Result::unwrap::h481d3d1baf7a4f3f [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x56178ea3d3c0 - build_script_build::main::h81cdff6ad828ce5d [INFO] [stderr] at /opt/rustwide/workdir/build.rs:88:24 [INFO] [stderr] 18: 0x56178ea3a41b - core::ops::function::FnOnce::call_once::h86bbd284ca66fc57 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x56178ea4247e - std::sys_common::backtrace::__rust_begin_short_backtrace::hb3d17caa82ea2d05 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x56178ea41531 - std::rt::lang_start::{{closure}}::h8810ad4110a34acd [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:49:18 [INFO] [stderr] 21: 0x56178ea57cd9 - core::ops::function::impls:: for &F>::call_once::h04259e4a34d07c2f [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x56178ea57cd9 - std::panicking::try::do_call::hb8da45704d5cfbbf [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:401:40 [INFO] [stderr] 23: 0x56178ea57cd9 - std::panicking::try::h4beadc19a78fec52 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panicking.rs:365:19 [INFO] [stderr] 24: 0x56178ea57cd9 - std::panic::catch_unwind::hc58016cd36ba81a4 [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/panic.rs:433:14 [INFO] [stderr] 25: 0x56178ea57cd9 - std::rt::lang_start_internal::hc51399759a90501a [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:34:21 [INFO] [stderr] 26: 0x56178ea41510 - std::rt::lang_start::h54d4d07f5b956a9c [INFO] [stderr] at /rustc/99e3aef02079e9c10583638520cd0c134dc3a01d/library/std/src/rt.rs:48:5 [INFO] [stderr] 27: 0x56178ea3d60c - main [INFO] [stderr] 28: 0x7f14443790b3 - __libc_start_main [INFO] [stderr] 29: 0x56178ea367ae - _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" "c9c1e92d27a77bf644af810561c2f8341df349af40198cdc1f0dcc9218362eed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c9c1e92d27a77bf644af810561c2f8341df349af40198cdc1f0dcc9218362eed", kill_on_drop: false }` [INFO] [stdout] c9c1e92d27a77bf644af810561c2f8341df349af40198cdc1f0dcc9218362eed