[INFO] fetching crate graphite_mc_constants 0.1.0...
[INFO] testing graphite_mc_constants-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate graphite_mc_constants 0.1.0 into /workspace/builds/worker-4-tc1/source
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate graphite_mc_constants 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding convert_case v0.5.0 (available: v0.11.0)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.14.0)
[INFO] [stderr]       Adding num_enum v0.5.11 (available: v0.7.6)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded convert_case v0.5.0
[INFO] [stderr]   Downloaded graphite_binary_macros v0.1.0
[INFO] [stderr]   Downloaded graphite_binary v0.1.0
[INFO] [stderr]   Downloaded graphite_mc_protocol v0.1.0
[INFO] [stderr]   Downloaded readonly v0.2.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34bb0b422a278cc8eec25c198fe98b10ee88bec180f462c8a8d66ad64f72ffd7
[INFO] running `Command { std: "docker" "start" "-a" "34bb0b422a278cc8eec25c198fe98b10ee88bec180f462c8a8d66ad64f72ffd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34bb0b422a278cc8eec25c198fe98b10ee88bec180f462c8a8d66ad64f72ffd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34bb0b422a278cc8eec25c198fe98b10ee88bec180f462c8a8d66ad64f72ffd7", kill_on_drop: false }`
[INFO] [stdout] 34bb0b422a278cc8eec25c198fe98b10ee88bec180f462c8a8d66ad64f72ffd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd778446b78ed6b5c12a87d5ba236ba7ea050a50bb96788404e43b953f33fcff
[INFO] running `Command { std: "docker" "start" "-a" "cd778446b78ed6b5c12a87d5ba236ba7ea050a50bb96788404e43b953f33fcff", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling cesu8 v1.1.0
[INFO] [stderr]    Compiling convert_case v0.5.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling readonly v0.2.13
[INFO] [stderr]    Compiling graphite_binary_macros v0.1.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling 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 num_enum v0.5.11
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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-4c6a0eb5dc0404c3/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (572) 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:     0x60e264ba64ba - std[31e582c13f4e914f]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x60e264ba64ba - std[31e582c13f4e914f]::backtrace_rs::backtrace::trace_unsynchronized::<std[31e582c13f4e914f]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x60e264ba64ba - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x60e264ba64ba - <<std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[fa0eadad68403074]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x60e264bbafca - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x60e264bbafca - core[fa0eadad68403074]::fmt::write
[INFO] [stderr]      6:     0x60e264baa7a2 - std[31e582c13f4e914f]::io::default_write_fmt::<std[31e582c13f4e914f]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x60e264baa7a2 - <std[31e582c13f4e914f]::sys::stdio::unix::Stderr as std[31e582c13f4e914f]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x60e264b9076f - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x60e264b9076f - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x60e264ba2101 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x60e264ba22bb - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x60e264b90828 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x60e264b855a9 - std[31e582c13f4e914f]::sys::backtrace::__rust_end_short_backtrace::<std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x60e264b9127d - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x60e264bbb75c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x60e264bbb4d2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x60e264b36c1a - build_script_build[2f5dd47cc7d1e554]::file_src
[INFO] [stderr]     18:     0x60e264ad0211 - build_script_build[2f5dd47cc7d1e554]::block::write_block_rs
[INFO] [stderr]     19:     0x60e264ad5487 - build_script_build[2f5dd47cc7d1e554]::block::write_block_states
[INFO] [stderr]     20:     0x60e264b35e7e - build_script_build[2f5dd47cc7d1e554]::main
[INFO] [stderr]     21:     0x60e264b32503 - <fn() as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     22:     0x60e264aef9c6 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     23:     0x60e264b0a379 - std[31e582c13f4e914f]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     24:     0x60e264ba1744 - <&dyn core[fa0eadad68403074]::ops::function::Fn<(), Output = i32> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     25:     0x60e264ba1744 - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<&dyn core[fa0eadad68403074]::ops::function::Fn<(), Output = i32> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stderr]     26:     0x60e264ba1744 - std[31e582c13f4e914f]::panicking::catch_unwind::<i32, &dyn core[fa0eadad68403074]::ops::function::Fn<(), Output = i32> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stderr]     27:     0x60e264ba1744 - std[31e582c13f4e914f]::panic::catch_unwind::<&dyn core[fa0eadad68403074]::ops::function::Fn<(), Output = i32> + core[fa0eadad68403074]::marker::Sync + core[fa0eadad68403074]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stderr]     28:     0x60e264ba1744 - std[31e582c13f4e914f]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/rt.rs:175:24
[INFO] [stderr]     29:     0x60e264ba1744 - std[31e582c13f4e914f]::panicking::catch_unwind::do_call::<std[31e582c13f4e914f]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:581:40
[INFO] [stderr]     30:     0x60e264ba1744 - std[31e582c13f4e914f]::panicking::catch_unwind::<isize, std[31e582c13f4e914f]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:544:19
[INFO] [stderr]     31:     0x60e264ba1744 - std[31e582c13f4e914f]::panic::catch_unwind::<std[31e582c13f4e914f]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panic.rs:359:14
[INFO] [stderr]     32:     0x60e264ba1744 - std[31e582c13f4e914f]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/rt.rs:171:5
[INFO] [stderr]     33:     0x60e264b08801 - std[31e582c13f4e914f]::rt::lang_start::<()>
[INFO] [stderr]     34:     0x60e264b3b0f5 - main
[INFO] [stderr]     35:     0x76c8ec0aa1ca - <unknown>
[INFO] [stderr]     36:     0x76c8ec0aa28b - __libc_start_main
[INFO] [stderr]     37:     0x60e264ab11b5 - _start
[INFO] [stderr]     38:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "cd778446b78ed6b5c12a87d5ba236ba7ea050a50bb96788404e43b953f33fcff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd778446b78ed6b5c12a87d5ba236ba7ea050a50bb96788404e43b953f33fcff", kill_on_drop: false }`
[INFO] [stdout] cd778446b78ed6b5c12a87d5ba236ba7ea050a50bb96788404e43b953f33fcff