[INFO] cloning 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" "clone" "--bare" "https://github.com/rrreeeyyy/mrusty-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrreeeyyy%2Fmrusty-example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrreeeyyy%2Fmrusty-example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 00ac89f1e7189016c99f61bb11281072b7615ee2 [INFO] checking rrreeeyyy/mrusty-example against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frrreeeyyy%2Fmrusty-example" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rrreeeyyy/mrusty-example on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-12/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" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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-12/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 [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tar v0.4.33 [INFO] [stderr] Downloaded mrusty v1.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 218c2dca730e32f82b55e7e8279c789018c2653cd87a9d8ec08247b48671e862 [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" "218c2dca730e32f82b55e7e8279c789018c2653cd87a9d8ec08247b48671e862", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "218c2dca730e32f82b55e7e8279c789018c2653cd87a9d8ec08247b48671e862", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "218c2dca730e32f82b55e7e8279c789018c2653cd87a9d8ec08247b48671e862", kill_on_drop: false }` [INFO] [stdout] 218c2dca730e32f82b55e7e8279c789018c2653cd87a9d8ec08247b48671e862 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 28ee13e31dbbb6b7fc923f791188a8cb6b326bc1c64776d33c55dcb07811d452 [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" "28ee13e31dbbb6b7fc923f791188a8cb6b326bc1c64776d33c55dcb07811d452", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.91 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling winapi v0.2.8 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking getopts v0.2.21 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling walkdir v0.1.8 [INFO] [stderr] Compiling xattr v0.2.2 [INFO] [stderr] Compiling filetime v0.2.14 [INFO] [stderr] Compiling tar v0.4.33 [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-14d4628eb90b8db5/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: 0x56324d5b27f0 - std::backtrace_rs::backtrace::libunwind::trace::hfe3b1cace85e87d8 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x56324d5b27f0 - std::backtrace_rs::backtrace::trace_unsynchronized::h542330af06479043 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x56324d5b27f0 - std::sys_common::backtrace::_print_fmt::h6b88726367858985 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x56324d5b27f0 - ::fmt::hcd76ce6b485adbea [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x56324d5cf1cf - core::fmt::write::h127419eb46f2ecc9 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/core/src/fmt/mod.rs:1092:17 [INFO] [stderr] 5: 0x56324d5af152 - std::io::Write::write_fmt::h0facb64ef2e7f5d8 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/io/mod.rs:1567:15 [INFO] [stderr] 6: 0x56324d5b4755 - std::sys_common::backtrace::_print::h7bf1633ea5421f7b [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x56324d5b4755 - std::sys_common::backtrace::print::h5cc4d09049928ba5 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x56324d5b4755 - std::panicking::default_hook::{{closure}}::h9e84dc005bfc9fc7 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x56324d5b4203 - std::panicking::default_hook::h123278a03b1f796b [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x56324d5b4d5d - std::panicking::rust_panic_with_hook::h4040631aa6c7bc27 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x56324d5b48f7 - std::panicking::begin_panic_handler::{{closure}}::h02a17b22ac092d08 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x56324d5b2cac - std::sys_common::backtrace::__rust_end_short_backtrace::h6063b024443b5852 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x56324d5b4859 - rust_begin_unwind [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x56324d51b481 - core::panicking::panic_fmt::h5322a082d19786c3 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/core/src/panicking.rs:92:14 [INFO] [stderr] 15: 0x56324d51b373 - core::option::expect_none_failed::h354eaa93a51d71b8 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/core/src/option.rs:1329:5 [INFO] [stderr] 16: 0x56324d57a88e - core::result::Result::unwrap::h739da00cf05faf9d [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/core/src/result.rs:1037:23 [INFO] [stderr] 17: 0x56324d51c19a - build_script_build::main::h19bb4c8db1a37c07 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/mrusty-1.0.0/build.rs:26:5 [INFO] [stderr] 18: 0x56324d51c85b - core::ops::function::FnOnce::call_once::hac679d8a2eb0b3ee [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 19: 0x56324d51d1be - std::sys_common::backtrace::__rust_begin_short_backtrace::hc2c6b255b947a4d3 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 20: 0x56324d51cd71 - std::rt::lang_start::{{closure}}::hd51bb5b463f7c5ed [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/rt.rs:66:18 [INFO] [stderr] 21: 0x56324d5b515a - core::ops::function::impls:: for &F>::call_once::h3695a3fbbe44c001 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 22: 0x56324d5b515a - std::panicking::try::do_call::he9f4b5f706c7e58d [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panicking.rs:379:40 [INFO] [stderr] 23: 0x56324d5b515a - std::panicking::try::h789d448ccf87fe6d [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panicking.rs:343:19 [INFO] [stderr] 24: 0x56324d5b515a - std::panic::catch_unwind::h7a6b31f16004913a [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/panic.rs:431:14 [INFO] [stderr] 25: 0x56324d5b515a - std::rt::lang_start_internal::h80897b41b254b288 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/rt.rs:51:25 [INFO] [stderr] 26: 0x56324d51cd50 - std::rt::lang_start::h4b9c2b2794a81569 [INFO] [stderr] at /rustc/b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b/library/std/src/rt.rs:65:5 [INFO] [stderr] 27: 0x56324d51c72c - main [INFO] [stderr] 28: 0x7fe0894880b3 - __libc_start_main [INFO] [stderr] 29: 0x56324d51bb2e - _start [INFO] [stderr] 30: 0x0 - [INFO] running `Command { std: "docker" "inspect" "28ee13e31dbbb6b7fc923f791188a8cb6b326bc1c64776d33c55dcb07811d452", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "28ee13e31dbbb6b7fc923f791188a8cb6b326bc1c64776d33c55dcb07811d452", kill_on_drop: false }` [INFO] [stdout] 28ee13e31dbbb6b7fc923f791188a8cb6b326bc1c64776d33c55dcb07811d452