[INFO] fetching crate rustdemo 0.1.0... [INFO] checking rustdemo-0.1.0 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219 [INFO] extracting crate rustdemo 0.1.0 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate rustdemo 0.1.0 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate rustdemo 0.1.0 [INFO] finished tweaking crates.io crate rustdemo 0.1.0 [INFO] tweaked toml for crates.io crate rustdemo 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f2c472d657d9369a775692b4d895f9cbde70d7a9f9c862a435b8081a9f502dac [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" "f2c472d657d9369a775692b4d895f9cbde70d7a9f9c862a435b8081a9f502dac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f2c472d657d9369a775692b4d895f9cbde70d7a9f9c862a435b8081a9f502dac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2c472d657d9369a775692b4d895f9cbde70d7a9f9c862a435b8081a9f502dac", kill_on_drop: false }` [INFO] [stdout] f2c472d657d9369a775692b4d895f9cbde70d7a9f9c862a435b8081a9f502dac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7f8ad625d3aef73d83e092a17fd63023e58e1e8c18b0f10224893f87032a9496 [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" "7f8ad625d3aef73d83e092a17fd63023e58e1e8c18b0f10224893f87032a9496", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Compiling rustdemo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: failed to run custom build command for `rustdemo v0.1.0 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/rustdemo-0b928d2cce944a75/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:9:42 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x55a2ee2b5170 - std::backtrace_rs::backtrace::libunwind::trace::h452faf99f32e7c93 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x55a2ee2b5170 - std::backtrace_rs::backtrace::trace_unsynchronized::he40edc71437667a1 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55a2ee2b5170 - std::sys_common::backtrace::_print_fmt::h6c51d6ade71f46bf [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x55a2ee2b5170 - ::fmt::h3cd15d7003dec37a [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x55a2ee2ce38c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/core/src/fmt/mod.rs:1082 [INFO] [stderr] 5: 0x55a2ee2b3a07 - std::io::Write::write_fmt::hac61caff894c35ae [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/io/mod.rs:1517 [INFO] [stderr] 6: 0x55a2ee2b7280 - std::sys_common::backtrace::_print::haa2f390fb7957e3e [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x55a2ee2b7280 - std::sys_common::backtrace::print::h48c7cbbad9013bb1 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x55a2ee2b7280 - std::panicking::default_hook::{{closure}}::h8b7ff05a31e71d55 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:208 [INFO] [stderr] 9: 0x55a2ee2b6fcc - std::panicking::default_hook::h2f00c78800d98e4c [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:227 [INFO] [stderr] 10: 0x55a2ee2b78e3 - std::panicking::rust_panic_with_hook::h4eaa635e4694aef3 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:577 [INFO] [stderr] 11: 0x55a2ee2b74b9 - std::panicking::begin_panic_handler::{{closure}}::hec242f1b136b5ff2 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:484 [INFO] [stderr] 12: 0x55a2ee2b55dc - std::sys_common::backtrace::__rust_end_short_backtrace::h1f3cc383ee6c0374 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 13: 0x55a2ee2b7479 - rust_begin_unwind [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:483 [INFO] [stderr] 14: 0x55a2ee2cd6b1 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/core/src/panicking.rs:85 [INFO] [stderr] 15: 0x55a2ee2cd4d3 - core::option::expect_none_failed::he492a18657d97593 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/core/src/option.rs:1221 [INFO] [stderr] 16: 0x55a2ee2988c9 - core::result::Result::unwrap::h4210b8b6c6c62188 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/core/src/result.rs:973 [INFO] [stderr] 17: 0x55a2ee298a06 - build_script_build::main::he4dc3f4c5e403863 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:9 [INFO] [stderr] 18: 0x55a2ee29822b - core::ops::function::FnOnce::call_once::h5794fc8e271ececd [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/core/src/ops/function.rs:227 [INFO] [stderr] 19: 0x55a2ee29842e - std::sys_common::backtrace::__rust_begin_short_backtrace::heeb1bdab33889672 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:137 [INFO] [stderr] 20: 0x55a2ee298401 - std::rt::lang_start::{{closure}}::h0a5f736cd513d3f6 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/rt.rs:66 [INFO] [stderr] 21: 0x55a2ee2b7ce1 - core::ops::function::impls:: for &F>::call_once::hecc21eb9018cc197 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/core/src/ops/function.rs:259 [INFO] [stderr] 22: 0x55a2ee2b7ce1 - std::panicking::try::do_call::h174ad655d084b5c7 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:381 [INFO] [stderr] 23: 0x55a2ee2b7ce1 - std::panicking::try::h479e6054ce28de10 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:345 [INFO] [stderr] 24: 0x55a2ee2b7ce1 - std::panic::catch_unwind::hb558ddea2b3e9c45 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panic.rs:382 [INFO] [stderr] 25: 0x55a2ee2b7ce1 - std::rt::lang_start_internal::h163149047f0a8b61 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/rt.rs:51 [INFO] [stderr] 26: 0x55a2ee2983d7 - std::rt::lang_start::h33be42ee00530133 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/rt.rs:65 [INFO] [stderr] 27: 0x55a2ee298cca - main [INFO] [stderr] 28: 0x7f7db56150b3 - __libc_start_main [INFO] [stderr] 29: 0x55a2ee2980ae - _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" "7f8ad625d3aef73d83e092a17fd63023e58e1e8c18b0f10224893f87032a9496", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7f8ad625d3aef73d83e092a17fd63023e58e1e8c18b0f10224893f87032a9496", kill_on_drop: false }` [INFO] [stdout] 7f8ad625d3aef73d83e092a17fd63023e58e1e8c18b0f10224893f87032a9496