[INFO] fetching crate tcl-mcp-server 0.1.2...
[INFO] building tcl-mcp-server-0.1.2 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate tcl-mcp-server 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate tcl-mcp-server 0.1.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tcl-mcp-server 0.1.2
[INFO] tweaked toml for crates.io crate tcl-mcp-server 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tcl-mcp-server 0.1.2 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tcl-mcp-server 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02ac65405f08d4cc6be8d904f216b9b31629685ae2a42ea1d45ebc56fa0b3d02
[INFO] running `Command { std: "docker" "start" "-a" "02ac65405f08d4cc6be8d904f216b9b31629685ae2a42ea1d45ebc56fa0b3d02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02ac65405f08d4cc6be8d904f216b9b31629685ae2a42ea1d45ebc56fa0b3d02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02ac65405f08d4cc6be8d904f216b9b31629685ae2a42ea1d45ebc56fa0b3d02", kill_on_drop: false }`
[INFO] [stdout] 02ac65405f08d4cc6be8d904f216b9b31629685ae2a42ea1d45ebc56fa0b3d02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60266068f0f358a2677b00797c6e78cb5ea1f7e198296bf42592e19dd85a0f8c
[INFO] running `Command { std: "docker" "start" "-a" "60266068f0f358a2677b00797c6e78cb5ea1f7e198296bf42592e19dd85a0f8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling anstyle-query v1.1.3
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling anstream v0.6.19
[INFO] [stderr]    Compiling tracing-log v0.2.0
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling iri-string v0.7.8
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling clap_builder v4.5.41
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling tcl-mcp-server v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling molt v0.3.1
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr] error: failed to run custom build command for `tcl-mcp-server v0.1.2 (/opt/rustwide/workdir)`
[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/tcl-mcp-server-83af5a209b14135d/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (668) panicked at build.rs:178:36:
[INFO] [stderr]   Failed to create target directory: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x6252b9ceb692 - std::backtrace_rs::backtrace::libunwind::trace::hb47480f78a1ce3ca
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x6252b9ceb692 - std::backtrace_rs::backtrace::trace_unsynchronized::hc1656d2da6a98cd5
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x6252b9ceb692 - std::sys::backtrace::_print_fmt::h19dc0f5ca3f1c927
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x6252b9ceb692 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h71e2dbb21440d8d7
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x6252b9cfa93f - core::fmt::rt::Argument::fmt::h5bcabd5a3c1d10f7
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x6252b9cfa93f - core::fmt::write::ha34f2b5c70e30f63
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x6252b9cc8b61 - std::io::default_write_fmt::h573facd83e7bee80
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x6252b9cc8b61 - std::io::Write::write_fmt::h76264e5b71fd6d13
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x6252b9cce512 - std::sys::backtrace::BacktraceLock::print::hb3aae3980c2c9bd5
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x6252b9ccffdc - std::panicking::default_hook::{{closure}}::h1b7baa88a148d351
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x6252b9ccfe36 - std::panicking::default_hook::hbc5e86c06039547d
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x6252b9cd0665 - std::panicking::panic_with_hook::ha6d2c09d64f936dd
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x6252b9cd04fa - std::panicking::panic_handler::{{closure}}::h455c9d131d722636
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x6252b9cce649 - std::sys::backtrace::__rust_end_short_backtrace::hd6ef955384ebd085
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x6252b9cbce5d - __rustc[f338935add60802b]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x6252b9cfdde0 - core::panicking::panic_fmt::hb8d4a4959b79599f
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x6252b9cfd5e6 - core::result::unwrap_failed::hff1097c91eb4b6b2
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/core/src/result.rs:1854:5
[INFO] [stderr]     17:     0x6252b9cbbe10 - core::result::Result<T,E>::expect::h73956aa72aff1fff
[INFO] [stderr]     18:     0x6252b9cb9e69 - build_script_build::main::h5efafa03c10d304f
[INFO] [stderr]     19:     0x6252b9cbafa3 - core::ops::function::FnOnce::call_once::h718fd81b8530eefe
[INFO] [stderr]     20:     0x6252b9cbade6 - std::sys::backtrace::__rust_begin_short_backtrace::h2183e1dca4fec63e
[INFO] [stderr]     21:     0x6252b9cbad49 - std::rt::lang_start::{{closure}}::h610181a40d84d657
[INFO] [stderr]     22:     0x6252b9cca280 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h6775bd355fba6242
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     23:     0x6252b9cca280 - std::panicking::catch_unwind::do_call::hd380709a4299b9fc
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:590:40
[INFO] [stderr]     24:     0x6252b9cca280 - std::panicking::catch_unwind::h518887d20d286a22
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:553:19
[INFO] [stderr]     25:     0x6252b9cca280 - std::panic::catch_unwind::h2976988d58581e5d
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panic.rs:359:14
[INFO] [stderr]     26:     0x6252b9cca280 - std::rt::lang_start_internal::{{closure}}::h1b4b9756e08c6661
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/rt.rs:175:24
[INFO] [stderr]     27:     0x6252b9cca280 - std::panicking::catch_unwind::do_call::hcca0ca64d8ef299f
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:590:40
[INFO] [stderr]     28:     0x6252b9cca280 - std::panicking::catch_unwind::h685f750dcd8c8c5d
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panicking.rs:553:19
[INFO] [stderr]     29:     0x6252b9cca280 - std::panic::catch_unwind::hcb6c05508142789b
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/panic.rs:359:14
[INFO] [stderr]     30:     0x6252b9cca280 - std::rt::lang_start_internal::h2ade37a099a7616e
[INFO] [stderr]                                  at /rustc/d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6/library/std/src/rt.rs:171:5
[INFO] [stderr]     31:     0x6252b9cbad31 - std::rt::lang_start::h7c056b452d1a4458
[INFO] [stderr]     32:     0x6252b9cbcb55 - main
[INFO] [stderr]     33:     0x70cc11a551ca - <unknown>
[INFO] [stderr]     34:     0x70cc11a5528b - __libc_start_main
[INFO] [stderr]     35:     0x6252b9cb9225 - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "60266068f0f358a2677b00797c6e78cb5ea1f7e198296bf42592e19dd85a0f8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60266068f0f358a2677b00797c6e78cb5ea1f7e198296bf42592e19dd85a0f8c", kill_on_drop: false }`
[INFO] [stdout] 60266068f0f358a2677b00797c6e78cb5ea1f7e198296bf42592e19dd85a0f8c