[INFO] fetching crate graphite_mc_constants 0.1.0...
[INFO] checking graphite_mc_constants-0.1.0 against master#3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777 for pr-132289
[INFO] extracting crate graphite_mc_constants 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate graphite_mc_constants 0.1.0 on toolchain 3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "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-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "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" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded graphite_mc_protocol v0.1.0
[INFO] [stderr]   Downloaded graphite_binary_macros v0.1.0
[INFO] [stderr]   Downloaded graphite_binary v0.1.0
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ed11ef1285218eae13d976a4a06da364eaad729e37965fe3345e10eb4f0f59cb
[INFO] running `Command { std: "docker" "start" "-a" "ed11ef1285218eae13d976a4a06da364eaad729e37965fe3345e10eb4f0f59cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ed11ef1285218eae13d976a4a06da364eaad729e37965fe3345e10eb4f0f59cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed11ef1285218eae13d976a4a06da364eaad729e37965fe3345e10eb4f0f59cb", kill_on_drop: false }`
[INFO] [stdout] ed11ef1285218eae13d976a4a06da364eaad729e37965fe3345e10eb4f0f59cb
[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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b7cf6c5d0a9e6f2854700ba25c63c096fd81a69926bd176bdc3b736837d3706
[INFO] running `Command { std: "docker" "start" "-a" "1b7cf6c5d0a9e6f2854700ba25c63c096fd81a69926bd176bdc3b736837d3706", 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]     Checking 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:     0x5b4c7b3a7eea - std::backtrace_rs::backtrace::libunwind::trace::hc8717ea3ff88efc7
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stderr]      1:     0x5b4c7b3a7eea - std::backtrace_rs::backtrace::trace_unsynchronized::h4cb12a240f50bc9d
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x5b4c7b3a7eea - std::sys::backtrace::_print_fmt::hfb8f4575e12be528
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x5b4c7b3a7eea - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h7767b02c5430d02b
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x5b4c7b3caaf3 - core::fmt::rt::Argument::fmt::h8658c1a0a94d2676
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/core/src/fmt/rt.rs:177:76
[INFO] [stderr]      5:     0x5b4c7b3caaf3 - core::fmt::write::hd9cf23088539bf85
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/core/src/fmt/mod.rs:1190:21
[INFO] [stderr]      6:     0x5b4c7b3a5193 - std::io::Write::write_fmt::h516df85bf7181425
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/io/mod.rs:1839:15
[INFO] [stderr]      7:     0x5b4c7b3a7d32 - std::sys::backtrace::BacktraceLock::print::h5907c3622e037863
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      8:     0x5b4c7b3a8cfc - std::panicking::default_hook::{{closure}}::h13cd352e0714d74b
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:268:22
[INFO] [stderr]      9:     0x5b4c7b3a8b42 - std::panicking::default_hook::ha087b22e6b135389
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:295:9
[INFO] [stderr]     10:     0x5b4c7b3a92f7 - std::panicking::rust_panic_with_hook::ha12d21b564771d78
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:801:13
[INFO] [stderr]     11:     0x5b4c7b3a918a - std::panicking::begin_panic_handler::{{closure}}::h29f91f01f78dfedc
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:674:13
[INFO] [stderr]     12:     0x5b4c7b3a83c9 - std::sys::backtrace::__rust_end_short_backtrace::h1e39edc6648a642b
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/sys/backtrace.rs:170:18
[INFO] [stderr]     13:     0x5b4c7b3a8e1c - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:665:5
[INFO] [stderr]     14:     0x5b4c7b3c8ee0 - core::panicking::panic_fmt::hea12f2402e677eaa
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/core/src/panicking.rs:75:14
[INFO] [stderr]     15:     0x5b4c7b3c9326 - core::result::unwrap_failed::hb52ad530f4fe86dd
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/core/src/result.rs:1698:5
[INFO] [stderr]     16:     0x5b4c7b32cc88 - build_script_build::file_src::h20f1b768b2f23520
[INFO] [stderr]     17:     0x5b4c7b2d23a1 - build_script_build::block::write_block_rs::hfb834d3fa0eb24c3
[INFO] [stderr]     18:     0x5b4c7b2cdb85 - build_script_build::block::write_block_states::ha63247d2dc384d5d
[INFO] [stderr]     19:     0x5b4c7b32c205 - build_script_build::main::hc51d55273758a75d
[INFO] [stderr]     20:     0x5b4c7b31df33 - core::ops::function::FnOnce::call_once::h8c5dee988e28a6e9
[INFO] [stderr]     21:     0x5b4c7b323d46 - std::sys::backtrace::__rust_begin_short_backtrace::h33f1cdec384a0b92
[INFO] [stderr]     22:     0x5b4c7b3287c9 - std::rt::lang_start::{{closure}}::hc2f23aff60e99f6d
[INFO] [stderr]     23:     0x5b4c7b3a17b7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hdcc69c5250d896c3
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     24:     0x5b4c7b3a17b7 - std::panicking::try::do_call::h8e74087e18c529fb
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:557:40
[INFO] [stderr]     25:     0x5b4c7b3a17b7 - std::panicking::try::hafe5958fa1de7ce5
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:520:19
[INFO] [stderr]     26:     0x5b4c7b3a17b7 - std::panic::catch_unwind::he7dd6e3079677b88
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panic.rs:358:14
[INFO] [stderr]     27:     0x5b4c7b3a17b7 - std::rt::lang_start_internal::{{closure}}::h3deb900feda3337f
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/rt.rs:174:48
[INFO] [stderr]     28:     0x5b4c7b3a17b7 - std::panicking::try::do_call::h320a9b5b747cda95
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:557:40
[INFO] [stderr]     29:     0x5b4c7b3a17b7 - std::panicking::try::h91bf02fd4fee4183
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panicking.rs:520:19
[INFO] [stderr]     30:     0x5b4c7b3a17b7 - std::panic::catch_unwind::h19dd28683f4d8ff7
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/panic.rs:358:14
[INFO] [stderr]     31:     0x5b4c7b3a17b7 - std::rt::lang_start_internal::h02315d8cca736b32
[INFO] [stderr]                                  at /rustc/3f1be1ec7ec3d8e80beb381ee82164a0aa3ca777/library/std/src/rt.rs:174:20
[INFO] [stderr]     32:     0x5b4c7b3287a7 - std::rt::lang_start::h9b05d2e761a82f6d
[INFO] [stderr]     33:     0x5b4c7b32d235 - main
[INFO] [stderr]     34:     0x7d4be6d1cd90 - <unknown>
[INFO] [stderr]     35:     0x7d4be6d1ce40 - __libc_start_main
[INFO] [stderr]     36:     0x5b4c7b2b4965 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "1b7cf6c5d0a9e6f2854700ba25c63c096fd81a69926bd176bdc3b736837d3706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b7cf6c5d0a9e6f2854700ba25c63c096fd81a69926bd176bdc3b736837d3706", kill_on_drop: false }`
[INFO] [stdout] 1b7cf6c5d0a9e6f2854700ba25c63c096fd81a69926bd176bdc3b736837d3706
