[INFO] fetching crate polaris-core 0.1.3...
[INFO] testing polaris-core-0.1.3 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate polaris-core 0.1.3 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate polaris-core 0.1.3
[INFO] finished tweaking crates.io crate polaris-core 0.1.3
[INFO] tweaked toml for crates.io crate polaris-core 0.1.3 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate polaris-core 0.1.3 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 81 packages to latest compatible versions
[INFO] [stderr]       Adding http v0.2.12 (available: v1.3.1)
[INFO] [stderr]       Adding polaris-specification v0.1.3 (available: v1.5.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded polaris-specification v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0404df040ddf352fe2d017b175177ecec2ab3db316c04af388b68df739cf1efc
[INFO] running `Command { std: "docker" "start" "-a" "0404df040ddf352fe2d017b175177ecec2ab3db316c04af388b68df739cf1efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0404df040ddf352fe2d017b175177ecec2ab3db316c04af388b68df739cf1efc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0404df040ddf352fe2d017b175177ecec2ab3db316c04af388b68df739cf1efc", kill_on_drop: false }`
[INFO] [stdout] 0404df040ddf352fe2d017b175177ecec2ab3db316c04af388b68df739cf1efc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d63db9da6d85267c26fb3b5b5dd346fdcff38831553dd418679878a162b873f
[INFO] running `Command { std: "docker" "start" "-a" "3d63db9da6d85267c26fb3b5b5dd346fdcff38831553dd418679878a162b873f", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling prost-derive v0.11.9
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling prost v0.11.9
[INFO] [stderr]    Compiling prost-types v0.11.9
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling prost-build v0.11.9
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling polaris-specification v0.1.3
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr] error: failed to run custom build command for `polaris-specification v0.1.3`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/polaris-specification-ea50caa658d018a5/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (684) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/polaris-specification-0.1.3/build.rs:21:10:
[INFO] [stderr]   called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x57c2c4d29f32 - std::backtrace_rs::backtrace::libunwind::trace::h76861be37b31432e
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x57c2c4d29f32 - std::backtrace_rs::backtrace::trace_unsynchronized::h58d4003082192c17
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x57c2c4d29f32 - std::sys::backtrace::_print_fmt::hfe5857a399620d2a
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x57c2c4d29f32 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h52160e9da139e442
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x57c2c4d39e9f - core::fmt::rt::Argument::fmt::h66fe6fef9ecca14a
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x57c2c4d39e9f - core::fmt::write::hf09a056a304e021a
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x57c2c4cfc4d1 - std::io::default_write_fmt::h7567c5950fb0173c
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x57c2c4cfc4d1 - std::io::Write::write_fmt::h361c7127187cda65
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x57c2c4d07012 - std::sys::backtrace::BacktraceLock::print::h15104dbcf0fd1f14
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x57c2c4d0936f - std::panicking::default_hook::{{closure}}::h0fa6cd8dbe0dd76b
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x57c2c4d091c9 - std::panicking::default_hook::h8d20506cf72e4831
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x57c2c4d09aa5 - std::panicking::panic_with_hook::h746880a052e02c85
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x57c2c4d0988a - std::panicking::panic_handler::{{closure}}::h14b95830f89d14b3
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x57c2c4d07149 - std::sys::backtrace::__rust_end_short_backtrace::h7ddaac0e9609a83d
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x57c2c4cefe1d - __rustc[76f7e7187978e2f8]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x57c2c4d3e900 - core::panicking::panic_fmt::heb245a301f4395db
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/panicking.rs:78:14
[INFO] [stderr]     16:     0x57c2c4d3d8e6 - core::result::unwrap_failed::h91bd1e1731f928fc
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/result.rs:1855:5
[INFO] [stderr]     17:     0x57c2c4a39f76 - build_script_build::main::h7dee2e81122a92a1
[INFO] [stderr]     18:     0x57c2c4a3ad53 - core::ops::function::FnOnce::call_once::hd3144209c9c04608
[INFO] [stderr]     19:     0x57c2c4a3a646 - std::sys::backtrace::__rust_begin_short_backtrace::h85bd00c6e41b9623
[INFO] [stderr]     20:     0x57c2c4a412d9 - std::rt::lang_start::{{closure}}::h50fda03a41d95940
[INFO] [stderr]     21:     0x57c2c4cfdd00 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h92f7271baace0227
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x57c2c4cfdd00 - std::panicking::catch_unwind::do_call::hab80bc7615f9a56f
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:590:40
[INFO] [stderr]     23:     0x57c2c4cfdd00 - std::panicking::catch_unwind::h44920ff533ed11dd
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:553:19
[INFO] [stderr]     24:     0x57c2c4cfdd00 - std::panic::catch_unwind::hbc4760794652046f
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x57c2c4cfdd00 - std::rt::lang_start_internal::{{closure}}::h017b9ee7d9dfccf2
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x57c2c4cfdd00 - std::panicking::catch_unwind::do_call::h5c448dae61c3a22b
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:590:40
[INFO] [stderr]     27:     0x57c2c4cfdd00 - std::panicking::catch_unwind::ha3a2750d16137715
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panicking.rs:553:19
[INFO] [stderr]     28:     0x57c2c4cfdd00 - std::panic::catch_unwind::ha56344eb931bca1a
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x57c2c4cfdd00 - std::rt::lang_start_internal::h4e6c18fadc4e7470
[INFO] [stderr]                                  at /rustc/caccb4d0368bd918ef6668af8e13834d07040417/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x57c2c4a412c1 - std::rt::lang_start::hc433a82953ccc168
[INFO] [stderr]     31:     0x57c2c4a3fb95 - main
[INFO] [stderr]     32:     0x7fb6563921ca - <unknown>
[INFO] [stderr]     33:     0x7fb65639228b - __libc_start_main
[INFO] [stderr]     34:     0x57c2c4a39655 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "3d63db9da6d85267c26fb3b5b5dd346fdcff38831553dd418679878a162b873f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d63db9da6d85267c26fb3b5b5dd346fdcff38831553dd418679878a162b873f", kill_on_drop: false }`
[INFO] [stdout] 3d63db9da6d85267c26fb3b5b5dd346fdcff38831553dd418679878a162b873f