[INFO] updating cached repository https://github.com/rrreeeyyy/mrusty-example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 00ac89f1e7189016c99f61bb11281072b7615ee2 [INFO] testing rrreeeyyy/mrusty-example against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrreeeyyy%2Fmrusty-example" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rrreeeyyy/mrusty-example on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/rrreeeyyy/mrusty-example [INFO] finished tweaking git repo https://github.com/rrreeeyyy/mrusty-example [INFO] tweaked toml for git repo https://github.com/rrreeeyyy/mrusty-example written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/rrreeeyyy/mrusty-example already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d79da99455db7a973a1b91d0b9737e4a5fc563cb30a9a4ebd91a36040e8275b1 [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" "d79da99455db7a973a1b91d0b9737e4a5fc563cb30a9a4ebd91a36040e8275b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d79da99455db7a973a1b91d0b9737e4a5fc563cb30a9a4ebd91a36040e8275b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d79da99455db7a973a1b91d0b9737e4a5fc563cb30a9a4ebd91a36040e8275b1", kill_on_drop: false }` [INFO] [stdout] d79da99455db7a973a1b91d0b9737e4a5fc563cb30a9a4ebd91a36040e8275b1 [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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e38f954450519f3fdfa38f7ffcab1fe85a8639da3ce9833fdf9b85deda899000 [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" "e38f954450519f3fdfa38f7ffcab1fe85a8639da3ce9833fdf9b85deda899000", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling winapi v0.2.8 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling walkdir v0.1.8 [INFO] [stderr] Compiling filetime v0.2.10 [INFO] [stderr] Compiling xattr v0.2.2 [INFO] [stderr] Compiling tar v0.4.29 [INFO] [stderr] Compiling mrusty v1.0.0 [INFO] [stderr] error: failed to run custom build command for `mrusty v1.0.0` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/mrusty-14b0ce1048242cb0/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Custom { kind: Other, error: TarError { desc: "failed to create `target`", io: Os { code: 30, kind: Other, message: "Read-only file system" } } }', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mrusty-1.0.0/build.rs:26:30 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x556e96994415 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x556e96994415 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x556e96994415 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x556e96994415 - ::fmt::hb4bdb37c3c335733 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x556e969b9b2c - core::fmt::write::h540ac4a6a1232abc [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x556e969903e2 - std::io::Write::write_fmt::h5ffa1b5a7703af47 [INFO] [stderr] at src/libstd/io/mod.rs:1539 [INFO] [stderr] 6: 0x556e96996ba0 - std::sys_common::backtrace::_print::hb55cc635eaf1882e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x556e96996ba0 - std::sys_common::backtrace::print::h2b2218fa55714084 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x556e96996ba0 - std::panicking::default_hook::{{closure}}::h578517c025765cf3 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x556e969968ec - std::panicking::default_hook::h4cafc94c2fc640fb [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x556e969971e3 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3 [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x556e96996ddb - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:437 [INFO] [stderr] 12: 0x556e969b8f31 - core::panicking::panic_fmt::h78830ea6a34e7206 [INFO] [stderr] at src/libcore/panicking.rs:85 [INFO] [stderr] 13: 0x556e969b8d53 - core::option::expect_none_failed::hf79bbb5ca7e09e08 [INFO] [stderr] at src/libcore/option.rs:1269 [INFO] [stderr] 14: 0x556e969723d0 - core::result::Result::unwrap::hafef618ad3ec5c9e [INFO] [stderr] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libcore/result.rs:1005 [INFO] [stderr] 15: 0x556e9690b5c1 - build_script_build::main::hbf9dd1c88bf6711f [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mrusty-1.0.0/build.rs:26 [INFO] [stderr] 16: 0x556e9690c71b - std::rt::lang_start::{{closure}}::hb8af53fb60ded495 [INFO] [stderr] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/rt.rs:67 [INFO] [stderr] 17: 0x556e969975b3 - std::rt::lang_start_internal::{{closure}}::h155f3093add35bce [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 18: 0x556e969975b3 - std::panicking::try::do_call::h45f1f66ee6b987d6 [INFO] [stderr] at src/libstd/panicking.rs:348 [INFO] [stderr] 19: 0x556e969975b3 - std::panicking::try::h0924dfb942cef7e3 [INFO] [stderr] at src/libstd/panicking.rs:325 [INFO] [stderr] 20: 0x556e969975b3 - std::panic::catch_unwind::h883180846c5b53fa [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 21: 0x556e969975b3 - std::rt::lang_start_internal::he9284d43a52786c5 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 22: 0x556e9690c6f7 - std::rt::lang_start::h002ee5ca3c9ef28a [INFO] [stderr] at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/rt.rs:67 [INFO] [stderr] 23: 0x556e9690bb3a - main [INFO] [stderr] 24: 0x7ff7d8a180b3 - __libc_start_main [INFO] [stderr] 25: 0x556e9690b1ae - _start [INFO] [stderr] 26: 0x0 - [INFO] running `Command { std: "docker" "inspect" "e38f954450519f3fdfa38f7ffcab1fe85a8639da3ce9833fdf9b85deda899000", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e38f954450519f3fdfa38f7ffcab1fe85a8639da3ce9833fdf9b85deda899000", kill_on_drop: false }` [INFO] [stdout] e38f954450519f3fdfa38f7ffcab1fe85a8639da3ce9833fdf9b85deda899000