[INFO] fetching crate graphite_mc_constants 0.1.0...
[INFO] checking graphite_mc_constants-0.1.0 against try#264a7c4a1c917c83d13895a31231f9d93c7b67e1 for pr-132289
[INFO] extracting crate graphite_mc_constants 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate graphite_mc_constants 0.1.0 on toolchain 264a7c4a1c917c83d13895a31231f9d93c7b67e1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate graphite_mc_constants 0.1.0
[INFO] finished tweaking crates.io crate graphite_mc_constants 0.1.0
[INFO] tweaked toml for crates.io crate graphite_mc_constants 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 35 packages to latest compatible versions
[INFO] [stderr]       Adding convert_case v0.5.0 (available: v0.6.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.6.0)
[INFO] [stderr]       Adding num_enum v0.5.11 (available: v0.7.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 477a5f85e831b1fc7cd56552f952a58c6b9befaa912b0bc0bc1f7e44e75c5b66
[INFO] running `Command { std: "docker" "start" "-a" "477a5f85e831b1fc7cd56552f952a58c6b9befaa912b0bc0bc1f7e44e75c5b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "477a5f85e831b1fc7cd56552f952a58c6b9befaa912b0bc0bc1f7e44e75c5b66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "477a5f85e831b1fc7cd56552f952a58c6b9befaa912b0bc0bc1f7e44e75c5b66", kill_on_drop: false }`
[INFO] [stdout] 477a5f85e831b1fc7cd56552f952a58c6b9befaa912b0bc0bc1f7e44e75c5b66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+264a7c4a1c917c83d13895a31231f9d93c7b67e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bf1b94ac821ddeb264e4ed2e31776991a0d1789a3269c3850ed47bfb7f7251c
[INFO] running `Command { std: "docker" "start" "-a" "0bf1b94ac821ddeb264e4ed2e31776991a0d1789a3269c3850ed47bfb7f7251c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling ryu v1.0.18
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]    Compiling convert_case v0.5.0
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]    Compiling syn v2.0.85
[INFO] [stderr]    Compiling thiserror-impl v1.0.65
[INFO] [stderr]    Compiling serde_derive v1.0.214
[INFO] [stderr]    Compiling readonly v0.2.12
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling graphite_binary_macros v0.1.0
[INFO] [stderr]    Compiling thiserror v1.0.65
[INFO] [stderr]     Checking graphite_binary v0.1.0
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]     Checking graphite_mc_protocol v0.1.0
[INFO] [stderr]    Compiling graphite_mc_constants v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name` and `block` are never read
[INFO] [stdout]   --> build/block.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 84 | pub struct CustomPlacer {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 85 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 86 |     pub block: String,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CustomPlacer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: failed to run custom build command for `graphite_mc_constants v0.1.0 (/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/graphite_mc_constants-0108a412b68443fe/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at build.rs:48:42:
[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:     0x63d259464e2a - std::backtrace_rs::backtrace::libunwind::trace::h33a4b5cb14f757d6
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x63d259464e2a - std::backtrace_rs::backtrace::trace_unsynchronized::h20236e6e99fbf845
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x63d259464e2a - std::sys::backtrace::_print_fmt::h704a42900622727d
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x63d259464e2a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h283eae59a9b611a1
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x63d259487a33 - core::fmt::rt::Argument::fmt::h6c00b32d62994027
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x63d259487a33 - core::fmt::write::h04a7af682e3a5030
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/core/src/fmt/mod.rs:1190:21
[INFO] [stderr]      6:     0x63d2594620d3 - std::io::Write::write_fmt::h787129c86330d3f6
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/io/mod.rs:1839:15
[INFO] [stderr]      7:     0x63d259464c72 - std::sys::backtrace::BacktraceLock::print::h0ad674a5464d4d8f
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x63d259465c3c - std::panicking::default_hook::{{closure}}::habb0c364c1c20b27
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:268:22
[INFO] [stderr]      9:     0x63d259465a82 - std::panicking::default_hook::hac494c5ce8f5f3b1
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:295:9
[INFO] [stderr]     10:     0x63d259466237 - std::panicking::rust_panic_with_hook::h2c87df020c0f53ac
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:801:13
[INFO] [stderr]     11:     0x63d2594660ca - std::panicking::begin_panic_handler::{{closure}}::hd3013344bba6ae59
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:674:13
[INFO] [stderr]     12:     0x63d259465309 - std::sys::backtrace::__rust_end_short_backtrace::haa6c749264ccc436
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]     13:     0x63d259465d5c - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:665:5
[INFO] [stderr]     14:     0x63d259485e20 - core::panicking::panic_fmt::h181fac25833ccaef
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/core/src/panicking.rs:75:14
[INFO] [stderr]     15:     0x63d259486266 - core::result::unwrap_failed::h0deac9f8338a6801
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/core/src/result.rs:1698:5
[INFO] [stderr]     16:     0x63d2593e9478 - build_script_build::file_src::hd1d7e16d078e3502
[INFO] [stderr]     17:     0x63d25938f341 - build_script_build::block::write_block_rs::h3bec1bb12d964219
[INFO] [stderr]     18:     0x63d25938ab25 - build_script_build::block::write_block_states::h58d0637d5c84d48e
[INFO] [stderr]     19:     0x63d2593e89f5 - build_script_build::main::h9e10d548722b3291
[INFO] [stderr]     20:     0x63d2593daa23 - core::ops::function::FnOnce::call_once::hfd94ead0572fc0b5
[INFO] [stderr]     21:     0x63d2593e07c6 - std::sys::backtrace::__rust_begin_short_backtrace::h8da0d506acd7e799
[INFO] [stderr]     22:     0x63d2593e4fb9 - std::rt::lang_start::{{closure}}::h8c3d6439c03af1d5
[INFO] [stderr]     23:     0x63d25945e6f7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h7866e7c14eb62dd7
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     24:     0x63d25945e6f7 - std::panicking::try::do_call::h61717c7d0356fae2
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:557:40
[INFO] [stderr]     25:     0x63d25945e6f7 - std::panicking::try::h37605684fa1e1290
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:520:19
[INFO] [stderr]     26:     0x63d25945e6f7 - std::panic::catch_unwind::h8ee9a8d09b7b2992
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panic.rs:358:14
[INFO] [stderr]     27:     0x63d25945e6f7 - std::rt::lang_start_internal::{{closure}}::h752ec735c0d502db
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/rt.rs:174:48
[INFO] [stderr]     28:     0x63d25945e6f7 - std::panicking::try::do_call::h38bf770a6697f52c
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:557:40
[INFO] [stderr]     29:     0x63d25945e6f7 - std::panicking::try::hd0d07cc7cb0d5575
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panicking.rs:520:19
[INFO] [stderr]     30:     0x63d25945e6f7 - std::panic::catch_unwind::h589925d957b4a61b
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/panic.rs:358:14
[INFO] [stderr]     31:     0x63d25945e6f7 - std::rt::lang_start_internal::h426cd8bc95b4b634
[INFO] [stderr]                                  at /rustc/264a7c4a1c917c83d13895a31231f9d93c7b67e1/library/std/src/rt.rs:174:20
[INFO] [stderr]     32:     0x63d2593e4f97 - std::rt::lang_start::hdce1bdc44aae7bb5
[INFO] [stderr]     33:     0x63d2593e9a15 - main
[INFO] [stderr]     34:     0x7d78c3f28d90 - <unknown>
[INFO] [stderr]     35:     0x7d78c3f28e40 - __libc_start_main
[INFO] [stderr]     36:     0x63d259371905 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "0bf1b94ac821ddeb264e4ed2e31776991a0d1789a3269c3850ed47bfb7f7251c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bf1b94ac821ddeb264e4ed2e31776991a0d1789a3269c3850ed47bfb7f7251c", kill_on_drop: false }`
[INFO] [stdout] 0bf1b94ac821ddeb264e4ed2e31776991a0d1789a3269c3850ed47bfb7f7251c
