[INFO] fetching crate convco 0.3.2... [INFO] testing convco-0.3.2 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296 [INFO] extracting crate convco 0.3.2 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate convco 0.3.2 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 crates.io crate convco 0.3.2 [INFO] finished tweaking crates.io crate convco 0.3.2 [INFO] tweaked toml for crates.io crate convco 0.3.2 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate crates.io crate convco 0.3.2 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] 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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1f6986596422af061a3bb03a36d7ac3345fad415fde09ccdb3fd52f1572eaa5d [INFO] running `Command { std: "docker" "start" "-a" "1f6986596422af061a3bb03a36d7ac3345fad415fde09ccdb3fd52f1572eaa5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1f6986596422af061a3bb03a36d7ac3345fad415fde09ccdb3fd52f1572eaa5d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f6986596422af061a3bb03a36d7ac3345fad415fde09ccdb3fd52f1572eaa5d", kill_on_drop: false }` [INFO] [stdout] 1f6986596422af061a3bb03a36d7ac3345fad415fde09ccdb3fd52f1572eaa5d [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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8eb1aceccde1b03bfc8b9a78a560adf1ff278c789a1c6491c389dee305287ba6 [INFO] running `Command { std: "docker" "start" "-a" "8eb1aceccde1b03bfc8b9a78a560adf1ff278c789a1c6491c389dee305287ba6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.74 [INFO] [stderr] Compiling syn v1.0.38 [INFO] [stderr] Compiling serde_derive v1.0.115 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Compiling pkg-config v0.3.18 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling ucd-trie v0.1.3 [INFO] [stderr] Compiling ppv-lite86 v0.2.9 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling tinyvec v0.3.3 [INFO] [stderr] Compiling maplit v1.0.2 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Compiling itoa v0.4.6 [INFO] [stderr] Compiling linked-hash-map v0.5.3 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling quick-error v2.0.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling dtoa v0.4.6 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling pest v2.1.3 [INFO] [stderr] Compiling unicode-normalization v0.1.13 [INFO] [stderr] Compiling proc-macro2 v1.0.19 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling yaml-rust v0.4.4 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Compiling jobserver v0.1.21 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling termios v0.3.2 [INFO] [stderr] Compiling terminal_size v0.1.13 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling cc v1.0.58 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling pest_meta v2.1.3 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling url v2.1.1 [INFO] [stderr] Compiling libz-sys v1.0.27 [INFO] [stderr] Compiling libgit2-sys v0.12.9+1.0.1 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling console v0.11.3 [INFO] [stderr] Compiling dialoguer v0.6.2 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling git2 v0.13.8 [INFO] [stderr] Compiling structopt-derive v0.4.9 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Compiling structopt v0.3.16 [INFO] [stderr] Compiling convco v0.3.2 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `convco v0.3.2 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/convco-f03d54ff8611bb58/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:11:33 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55dd0bb51820 - 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: 0x55dd0bb51820 - 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: 0x55dd0bb51820 - std::sys_common::backtrace::_print_fmt::h93d302d001a3bf01 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55dd0bb51820 - ::fmt::h7881e3a580134f9a [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55dd0bb6cbfc - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/fmt/mod.rs:1078:17 [INFO] [stderr] 5: 0x55dd0bb4f2d2 - std::io::Write::write_fmt::h24485de26f355188 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/io/mod.rs:1519:15 [INFO] [stderr] 6: 0x55dd0bb53ae5 - std::sys_common::backtrace::_print::h3e3f9fed81bc11e9 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55dd0bb53ae5 - std::sys_common::backtrace::print::hd22ac23fed5071c8 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55dd0bb53ae5 - std::panicking::default_hook::{{closure}}::h1647bdcf68060e17 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55dd0bb5363a - std::panicking::default_hook::hb08853b392b9404b [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55dd0bb54281 - std::panicking::rust_panic_with_hook::h3624ee29da369ede [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x55dd0bb53dc7 - std::panicking::begin_panic_handler::{{closure}}::hefcfcedcde6bb6d9 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x55dd0bb51cdc - 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: 0x55dd0bb53d29 - rust_begin_unwind [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x55dd0bb6bfa1 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x55dd0bb6bdc3 - core::option::expect_none_failed::he492a18657d97593 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/option.rs:1268:5 [INFO] [stderr] 16: 0x55dd0bad7ce0 - core::result::Result::unwrap::hc1f5930debe69b14 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/result.rs:973:23 [INFO] [stderr] 17: 0x55dd0bad2271 - build_script_build::main::ha18e0f00ed4b2f72 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:11:5 [INFO] [stderr] 18: 0x55dd0bada65b - core::ops::function::FnOnce::call_once::h9d9927ea1871176f [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x55dd0bad6c8e - std::sys_common::backtrace::__rust_begin_short_backtrace::hc09302039e653b81 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x55dd0bad9f81 - std::rt::lang_start::{{closure}}::hbc18b88c1a5f46bd [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x55dd0bb546a7 - 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: 0x55dd0bb546a7 - std::panicking::try::do_call::h4ef477456776cccb [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x55dd0bb546a7 - std::panicking::try::h7f2121b6bb3bbca4 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x55dd0bb546a7 - std::panic::catch_unwind::he974d0ca04309948 [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/panic.rs:396:14 [INFO] [stderr] 25: 0x55dd0bb546a7 - std::rt::lang_start_internal::h36e9e78490120b9f [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x55dd0bad9f57 - std::rt::lang_start::hd4f47b9a20748f1c [INFO] [stderr] at /rustc/5d5ff84130da0d74c6ece368dbe821d8f83fa526/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x55dd0bad5b8a - main [INFO] [stderr] 28: 0x7fc63891b0b3 - __libc_start_main [INFO] [stderr] 29: 0x55dd0bad20be - _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" "8eb1aceccde1b03bfc8b9a78a560adf1ff278c789a1c6491c389dee305287ba6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8eb1aceccde1b03bfc8b9a78a560adf1ff278c789a1c6491c389dee305287ba6", kill_on_drop: false }` [INFO] [stdout] 8eb1aceccde1b03bfc8b9a78a560adf1ff278c789a1c6491c389dee305287ba6