[INFO] cloning repository https://github.com/ddlees/felloe [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ddlees/felloe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddlees%2Ffelloe", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddlees%2Ffelloe'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 74395b664be6867467195943def7e8e98eb5dadf [INFO] testing ddlees/felloe against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddlees%2Ffelloe" "/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/ddlees/felloe on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ddlees/felloe [INFO] finished tweaking git repo https://github.com/ddlees/felloe [INFO] tweaked toml for git repo https://github.com/ddlees/felloe written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/ddlees/felloe already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 83ac053ec09311a152b13175d65d844ed8e25b6e551c21ff203e4ee7cc9f971b [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" "83ac053ec09311a152b13175d65d844ed8e25b6e551c21ff203e4ee7cc9f971b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "83ac053ec09311a152b13175d65d844ed8e25b6e551c21ff203e4ee7cc9f971b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "83ac053ec09311a152b13175d65d844ed8e25b6e551c21ff203e4ee7cc9f971b", kill_on_drop: false }` [INFO] [stdout] 83ac053ec09311a152b13175d65d844ed8e25b6e551c21ff203e4ee7cc9f971b [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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ee35fe56c21752e8d491b19fe3021c9cc42ee5453bb7ca2cd28657a1e0aacb3f [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" "ee35fe56c21752e8d491b19fe3021c9cc42ee5453bb7ca2cd28657a1e0aacb3f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.72 [INFO] [stderr] Compiling proc-macro2 v1.0.18 [INFO] [stderr] Compiling syn v1.0.34 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling tinyvec v0.3.3 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Compiling cc v1.0.58 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling gimli v0.22.0 [INFO] [stderr] Compiling percent-encoding v1.0.1 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Compiling object v0.20.0 [INFO] [stderr] Compiling serde_json v1.0.56 [INFO] [stderr] Compiling encoding_rs v0.8.23 [INFO] [stderr] Compiling openssl-probe v0.1.2 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling dtoa v0.4.6 [INFO] [stderr] Compiling termcolor v1.1.0 [INFO] [stderr] Compiling number_prefix v0.3.0 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.3 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling proc-macro-error v1.0.3 [INFO] [stderr] Compiling indexmap v1.4.0 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling error-chain v0.12.2 [INFO] [stderr] Compiling tokio-sync v0.1.8 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling miniz_oxide v0.4.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Compiling unicode-normalization v0.1.13 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling want v0.2.0 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling hyper v0.12.35 [INFO] [stderr] Compiling tokio-executor v0.1.10 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling net2 v0.2.34 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling termios v0.3.2 [INFO] [stderr] Compiling terminal_size v0.1.13 [INFO] [stderr] Compiling dirs-sys v0.3.5 [INFO] [stderr] Compiling filetime v0.2.10 [INFO] [stderr] Compiling flate2 v1.0.16 [INFO] [stderr] Compiling xattr v0.2.2 [INFO] [stderr] Compiling sha2 v0.8.2 [INFO] [stderr] Compiling tokio-current-thread v0.1.7 [INFO] [stderr] Compiling tokio-timer v0.2.13 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling url v2.1.1 [INFO] [stderr] Compiling clap v2.33.1 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling tar v0.4.29 [INFO] [stderr] Compiling addr2line v0.13.0 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling http v0.1.21 [INFO] [stderr] Compiling tokio-buf v0.1.1 [INFO] [stderr] Compiling string v0.2.1 [INFO] [stderr] Compiling openssl v0.10.30 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Compiling cookie v0.12.0 [INFO] [stderr] Compiling backtrace v0.3.50 [INFO] [stderr] Compiling crossterm v0.13.3 [INFO] [stderr] Compiling uuid v0.7.4 [INFO] [stderr] Compiling publicsuffix v1.5.4 [INFO] [stderr] Compiling console v0.11.3 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling indicatif v0.13.0 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling http-body v0.1.0 [INFO] [stderr] Compiling h2 v0.1.26 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling hyper-tls v0.3.2 [INFO] [stderr] Compiling structopt-derive v0.4.8 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling exitfailure v0.5.1 [INFO] [stderr] Compiling structopt v0.3.15 [INFO] [stderr] Compiling felloe v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `felloe v0.1.1 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/felloe-6fbe3957b4284fda/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" }', build.rs:21:42 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x556aee7209a0 - std::backtrace_rs::backtrace::libunwind::trace::h95fc93571932622e [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x556aee7209a0 - std::backtrace_rs::backtrace::trace_unsynchronized::h4d0b90afc33151fd [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x556aee7209a0 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x556aee7209a0 - ::fmt::h7881e3a580134f9a [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x556aee73c6bc - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x556aee71e3c2 - std::io::Write::write_fmt::h24485de26f355188 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/io/mod.rs:1519:15 [INFO] [stderr] 6: 0x556aee722c65 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x556aee722c65 - std::sys_common::backtrace::print::hd22ac23fed5071c8 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x556aee722c65 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x556aee7227ba - std::panicking::default_hook::hb08853b392b9404b [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x556aee723401 - std::panicking::rust_panic_with_hook::h3624ee29da369ede [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x556aee722f47 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x556aee720e5c - std::sys_common::backtrace::__rust_end_short_backtrace::heb130cec93caa706 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x556aee722ea9 - rust_begin_unwind [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x556aee73ba61 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x556aee73b883 - core::option::expect_none_failed::he492a18657d97593 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/option.rs:1268:5 [INFO] [stderr] 16: 0x556aee6a1360 - core::result::Result::unwrap::he67a7d973d38df8a [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/result.rs:973:23 [INFO] [stderr] 17: 0x556aee69d529 - build_script_build::main::h733375893175e9eb [INFO] [stderr] at /opt/rustwide/workdir/build.rs:21:9 [INFO] [stderr] 18: 0x556aee6a667b - core::ops::function::FnOnce::call_once::h6879385d282851a3 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x556aee6a609e - std::sys_common::backtrace::__rust_begin_short_backtrace::haa4ae499d19132e9 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x556aee6a1b01 - std::rt::lang_start::{{closure}}::h0f249ba1ebdaa630 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x556aee723827 - core::ops::function::impls:: for &F>::call_once::h194d6aa01fb6b594 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x556aee723827 - std::panicking::try::do_call::h4ef477456776cccb [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x556aee723827 - std::panicking::try::h7f2121b6bb3bbca4 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x556aee723827 - std::panic::catch_unwind::he974d0ca04309948 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:396:14 [INFO] [stderr] 25: 0x556aee723827 - std::rt::lang_start_internal::h36e9e78490120b9f [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x556aee6a1ad7 - std::rt::lang_start::h7bc5208d8e6cab4a [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x556aee6a0baa - main [INFO] [stderr] 28: 0x7f54f29d40b3 - __libc_start_main [INFO] [stderr] 29: 0x556aee69d0be - _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" "ee35fe56c21752e8d491b19fe3021c9cc42ee5453bb7ca2cd28657a1e0aacb3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ee35fe56c21752e8d491b19fe3021c9cc42ee5453bb7ca2cd28657a1e0aacb3f", kill_on_drop: false }` [INFO] [stdout] ee35fe56c21752e8d491b19fe3021c9cc42ee5453bb7ca2cd28657a1e0aacb3f