[INFO] fetching crate graphite_mc_constants 0.1.0...
[INFO] checking graphite_mc_constants-0.1.0 against master#fd2c811d25ad5773fbd2463e058bf4edf4d44eb2 for pr-130443
[INFO] extracting crate graphite_mc_constants 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate graphite_mc_constants 0.1.0 on toolchain fd2c811d25ad5773fbd2463e058bf4edf4d44eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "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-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "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 hashbrown v0.12.3 (available: v0.14.5)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.5.0)
[INFO] [stderr]       Adding num_enum v0.5.11 (available: v0.7.3)
[INFO] [stderr]       Adding num_enum_derive v0.5.11 (available: v0.7.3)
[INFO] [stderr]       Adding proc-macro-crate v1.3.1 (available: v3.2.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] [stderr]       Adding toml_edit v0.19.15 (available: v0.22.21)
[INFO] [stderr]       Adding winnow v0.5.40 (available: v0.6.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded graphite_binary v0.1.0
[INFO] [stderr]   Downloaded graphite_mc_protocol v0.1.0
[INFO] [stderr]   Downloaded readonly v0.2.12
[INFO] [stderr]   Downloaded graphite_binary_macros v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c650416bea69b6076a31f0056b114f974ae1ad00e98ecb2f1056fd4bebafe3fa
[INFO] running `Command { std: "docker" "start" "-a" "c650416bea69b6076a31f0056b114f974ae1ad00e98ecb2f1056fd4bebafe3fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c650416bea69b6076a31f0056b114f974ae1ad00e98ecb2f1056fd4bebafe3fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c650416bea69b6076a31f0056b114f974ae1ad00e98ecb2f1056fd4bebafe3fa", kill_on_drop: false }`
[INFO] [stdout] c650416bea69b6076a31f0056b114f974ae1ad00e98ecb2f1056fd4bebafe3fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+fd2c811d25ad5773fbd2463e058bf4edf4d44eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a0293979c4739696a1878207de26749442c404d0488b6863512a305b2b3c98c4
[INFO] running `Command { std: "docker" "start" "-a" "a0293979c4739696a1878207de26749442c404d0488b6863512a305b2b3c98c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling toml_datetime v0.6.8
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]    Compiling convert_case v0.5.0
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]    Compiling serde_json v1.0.128
[INFO] [stderr]    Compiling indexmap v2.5.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.64
[INFO] [stderr]    Compiling serde_derive v1.0.210
[INFO] [stderr]    Compiling readonly v0.2.12
[INFO] [stderr]    Compiling graphite_binary_macros v0.1.0
[INFO] [stderr]     Checking thiserror v1.0.64
[INFO] [stderr]     Checking graphite_binary v0.1.0
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling graphite_mc_constants v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]     Checking graphite_mc_protocol v0.1.0
[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] [stdout] warning: 1 warning emitted
[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-f8af79217565f853/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:     0x5c26e5ed3b6a - std::backtrace_rs::backtrace::libunwind::trace::h7d463d46f41c1625
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x5c26e5ed3b6a - std::backtrace_rs::backtrace::trace_unsynchronized::h476f8f3b73852bd8
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5c26e5ed3b6a - std::sys::backtrace::_print_fmt::h1442fc2d80f84a69
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5c26e5ed3b6a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hfeba7cbf44c2b035
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5c26e5ef5b6b - core::fmt::rt::Argument::fmt::ha5da46916c25e7eb
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x5c26e5ef5b6b - core::fmt::write::hcf1a9b5a168bab42
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/core/src/fmt/mod.rs:1186:21
[INFO] [stderr]      6:     0x5c26e5ed0da3 - std::io::Write::write_fmt::h343cbf8f0f760140
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/io/mod.rs:1823:15
[INFO] [stderr]      7:     0x5c26e5ed39b2 - std::sys::backtrace::BacktraceLock::print::h0ae6c23bbfb5f51d
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x5c26e5ed4c77 - std::panicking::default_hook::{{closure}}::h8b07c33038b0c409
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/panicking.rs:268:22
[INFO] [stderr]      9:     0x5c26e5ed4aa6 - std::panicking::default_hook::hb2958c2545ef77af
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/panicking.rs:295:9
[INFO] [stderr]     10:     0x5c26e5ed5277 - std::panicking::rust_panic_with_hook::h7dbaabf3e609e10d
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/panicking.rs:801:13
[INFO] [stderr]     11:     0x5c26e5ed5117 - std::panicking::begin_panic_handler::{{closure}}::h1b159749db0a4fbc
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/panicking.rs:674:13
[INFO] [stderr]     12:     0x5c26e5ed4049 - std::sys::backtrace::__rust_end_short_backtrace::hd4f2aecc8171f6c9
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]     13:     0x5c26e5ed4da4 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/panicking.rs:665:5
[INFO] [stderr]     14:     0x5c26e5ef3f73 - core::panicking::panic_fmt::hbd7893aa48b90018
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/core/src/panicking.rs:74:14
[INFO] [stderr]     15:     0x5c26e5ef43b6 - core::result::unwrap_failed::h870efe41f871efc0
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/core/src/result.rs:1689:5
[INFO] [stderr]     16:     0x5c26e5e7cc88 - build_script_build::file_src::h514520d7a6d296ce
[INFO] [stderr]     17:     0x5c26e5e100b1 - build_script_build::block::write_block_rs::haf966e37cd576eed
[INFO] [stderr]     18:     0x5c26e5e0b8b5 - build_script_build::block::write_block_states::hc74f9832d350f6e2
[INFO] [stderr]     19:     0x5c26e5e7c205 - build_script_build::main::ha255ae4750c8b24e
[INFO] [stderr]     20:     0x5c26e5e3cfa3 - core::ops::function::FnOnce::call_once::hfadcddad01a2466b
[INFO] [stderr]     21:     0x5c26e5e33196 - std::sys::backtrace::__rust_begin_short_backtrace::h26d9d9e9682cb030
[INFO] [stderr]     22:     0x5c26e5e709d9 - std::rt::lang_start::{{closure}}::h8e60faf9222284d6
[INFO] [stderr]     23:     0x5c26e5ecd340 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hfad295795d7a894f
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     24:     0x5c26e5ecd340 - std::panicking::try::do_call::hc9dff1cc4e54de5a
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/panicking.rs:557:40
[INFO] [stderr]     25:     0x5c26e5ecd340 - std::panicking::try::h812dea15f7b65398
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/panicking.rs:520:19
[INFO] [stderr]     26:     0x5c26e5ecd340 - std::panic::catch_unwind::h2981155ef2c37051
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/panic.rs:348:14
[INFO] [stderr]     27:     0x5c26e5ecd340 - std::rt::lang_start_internal::{{closure}}::h4314f9f12a96aa2f
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/rt.rs:143:48
[INFO] [stderr]     28:     0x5c26e5ecd340 - std::panicking::try::do_call::ha990fc313fde27df
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/panicking.rs:557:40
[INFO] [stderr]     29:     0x5c26e5ecd340 - std::panicking::try::he56b3ad7c18dbde8
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/panicking.rs:520:19
[INFO] [stderr]     30:     0x5c26e5ecd340 - std::panic::catch_unwind::hd440ffabd1849607
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/panic.rs:348:14
[INFO] [stderr]     31:     0x5c26e5ecd340 - std::rt::lang_start_internal::h4f26667a84827d07
[INFO] [stderr]                                  at /rustc/fd2c811d25ad5773fbd2463e058bf4edf4d44eb2/library/std/src/rt.rs:143:20
[INFO] [stderr]     32:     0x5c26e5e709b7 - std::rt::lang_start::ha4bdc6e3de354855
[INFO] [stderr]     33:     0x5c26e5e7d225 - main
[INFO] [stderr]     34:     0x7948e41dbd90 - <unknown>
[INFO] [stderr]     35:     0x7948e41dbe40 - __libc_start_main
[INFO] [stderr]     36:     0x5c26e5ddad25 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "a0293979c4739696a1878207de26749442c404d0488b6863512a305b2b3c98c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0293979c4739696a1878207de26749442c404d0488b6863512a305b2b3c98c4", kill_on_drop: false }`
[INFO] [stdout] a0293979c4739696a1878207de26749442c404d0488b6863512a305b2b3c98c4
