[INFO] fetching crate rustdemo 0.1.0... [INFO] checking rustdemo-0.1.0 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526 [INFO] extracting crate rustdemo 0.1.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate rustdemo 0.1.0 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f00002d62fd5383b0a652a8e1ed06933c6e91ff87e364b125bed2d0aa1707671 [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" "f00002d62fd5383b0a652a8e1ed06933c6e91ff87e364b125bed2d0aa1707671", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f00002d62fd5383b0a652a8e1ed06933c6e91ff87e364b125bed2d0aa1707671", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f00002d62fd5383b0a652a8e1ed06933c6e91ff87e364b125bed2d0aa1707671", kill_on_drop: false }` [INFO] [stdout] f00002d62fd5383b0a652a8e1ed06933c6e91ff87e364b125bed2d0aa1707671 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] abe645ed1fb93ad7bcf415eced56fdd30ea001cbe6824d57fc6de2a243d71016 [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" "abe645ed1fb93ad7bcf415eced56fdd30ea001cbe6824d57fc6de2a243d71016", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.79 [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] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Compiling rustdemo v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking rand v0.3.23 [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-737bb6c2bcb2bcb5/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: 0x55efe5d23fd0 - std::backtrace_rs::backtrace::libunwind::trace::he85dfb3ae4206056 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x55efe5d23fd0 - std::backtrace_rs::backtrace::trace_unsynchronized::h1ad28094d7b00c21 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55efe5d23fd0 - std::sys_common::backtrace::_print_fmt::h901b54610713cd21 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x55efe5d23fd0 - ::fmt::hb0ad78ee1571f7e0 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x55efe5d3c9fc - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/core/src/fmt/mod.rs:1080 [INFO] [stderr] 5: 0x55efe5d226a2 - std::io::Write::write_fmt::hf7b7d7b243f84a36 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/io/mod.rs:1516 [INFO] [stderr] 6: 0x55efe5d260fd - std::sys_common::backtrace::_print::hd093978a5287b8ff [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x55efe5d260fd - std::sys_common::backtrace::print::h20f46787581d56d7 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x55efe5d260fd - std::panicking::default_hook::{{closure}}::h486cbb4b82ffc357 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:208 [INFO] [stderr] 9: 0x55efe5d25da8 - std::panicking::default_hook::h4190c9e3edd4d591 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:227 [INFO] [stderr] 10: 0x55efe5d26781 - std::panicking::rust_panic_with_hook::h72e78719cdda225c [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:577 [INFO] [stderr] 11: 0x55efe5d26329 - std::panicking::begin_panic_handler::{{closure}}::h8bd07dbd34150a96 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:484 [INFO] [stderr] 12: 0x55efe5d2445c - std::sys_common::backtrace::__rust_end_short_backtrace::hdb6b3066ad29028a [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 13: 0x55efe5d262e9 - rust_begin_unwind [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:483 [INFO] [stderr] 14: 0x55efe5d3bd11 - core::panicking::panic_fmt::hb15d6f55e8472f62 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/core/src/panicking.rs:85 [INFO] [stderr] 15: 0x55efe5d3bb33 - core::option::expect_none_failed::he492a18657d97593 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/core/src/option.rs:1234 [INFO] [stderr] 16: 0x55efe5d0733b - core::result::Result::unwrap::h6c75798c297bb636 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/core/src/result.rs:973 [INFO] [stderr] 17: 0x55efe5d07816 - build_script_build::main::h0d9a438bdd296069 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:9 [INFO] [stderr] 18: 0x55efe5d073eb - core::ops::function::FnOnce::call_once::hb97f5462414d0ded [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/core/src/ops/function.rs:227 [INFO] [stderr] 19: 0x55efe5d0720e - std::sys_common::backtrace::__rust_begin_short_backtrace::hdf511278773e1293 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/sys_common/backtrace.rs:137 [INFO] [stderr] 20: 0x55efe5d07b31 - std::rt::lang_start::{{closure}}::h244d76e6b4ec4889 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/rt.rs:66 [INFO] [stderr] 21: 0x55efe5d26ba7 - core::ops::function::impls:: for &F>::call_once::h5e15f43ce28787f7 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/core/src/ops/function.rs:259 [INFO] [stderr] 22: 0x55efe5d26ba7 - std::panicking::try::do_call::h764f1891769113e9 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:381 [INFO] [stderr] 23: 0x55efe5d26ba7 - std::panicking::try::h0f2fe4fdd5e0ad19 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panicking.rs:345 [INFO] [stderr] 24: 0x55efe5d26ba7 - std::panic::catch_unwind::h1634e40dd3a19f80 [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/panic.rs:382 [INFO] [stderr] 25: 0x55efe5d26ba7 - std::rt::lang_start_internal::h8d4bc7b854bbd5fe [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/rt.rs:51 [INFO] [stderr] 26: 0x55efe5d07b07 - std::rt::lang_start::h45ab7bf13be79c4a [INFO] [stderr] at /rustc/0d37dca25a51fb900a402c94c8818ad1c2789e30/library/std/src/rt.rs:65 [INFO] [stderr] 27: 0x55efe5d07aba - main [INFO] [stderr] 28: 0x7f74120d70b3 - __libc_start_main [INFO] [stderr] 29: 0x55efe5d070ae - _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" "abe645ed1fb93ad7bcf415eced56fdd30ea001cbe6824d57fc6de2a243d71016", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abe645ed1fb93ad7bcf415eced56fdd30ea001cbe6824d57fc6de2a243d71016", kill_on_drop: false }` [INFO] [stdout] abe645ed1fb93ad7bcf415eced56fdd30ea001cbe6824d57fc6de2a243d71016