[INFO] fetching crate mango-egui 0.1.3...
[INFO] testing mango-egui-0.1.3 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate mango-egui 0.1.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mango-egui 0.1.3
[INFO] finished tweaking crates.io crate mango-egui 0.1.3
[INFO] tweaked toml for crates.io crate mango-egui 0.1.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mango-egui 0.1.3 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 107 packages to latest compatible versions
[INFO] [stderr]       Adding duct v0.13.7 (available: v1.1.1)
[INFO] [stderr]       Adding egui v0.20.1 (available: v0.34.1)
[INFO] [stderr]       Adding rfd v0.10.0 (available: v0.17.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa8063a0de3fd7227f046421d8b23c879c247e95ba0b63074d97db5ac700ac4e
[INFO] running `Command { std: "docker" "start" "-a" "fa8063a0de3fd7227f046421d8b23c879c247e95ba0b63074d97db5ac700ac4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa8063a0de3fd7227f046421d8b23c879c247e95ba0b63074d97db5ac700ac4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa8063a0de3fd7227f046421d8b23c879c247e95ba0b63074d97db5ac700ac4e", kill_on_drop: false }`
[INFO] [stdout] fa8063a0de3fd7227f046421d8b23c879c247e95ba0b63074d97db5ac700ac4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38548604d90fec4dea650e64bfe622249847f69040b53f5e222ddcca8b59a247
[INFO] running `Command { std: "docker" "start" "-a" "38548604d90fec4dea650e64bfe622249847f69040b53f5e222ddcca8b59a247", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling winnow v0.7.15
[INFO] [stderr]    Compiling version-compare v0.2.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling pkg-config v0.3.32
[INFO] [stderr]    Compiling libc v0.2.184
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling zerocopy v0.8.48
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling ttf-parser v0.25.1
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.10
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling rfd v0.10.0
[INFO] [stderr]    Compiling emath v0.20.0
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling ecolor v0.20.0
[INFO] [stderr]    Compiling raw-window-handle v0.5.2
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling cfg-expr v0.15.8
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling errno v0.3.14
[INFO] [stderr]    Compiling os_pipe v1.2.3
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling signal-hook-registry v1.4.8
[INFO] [stderr]    Compiling sigchld v0.2.4
[INFO] [stderr]    Compiling shared_child v1.1.1
[INFO] [stderr]    Compiling duct v0.13.7
[INFO] [stderr]    Compiling mango-egui v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `mango-egui v0.1.3 (/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/mango-egui-c0e24b938d4559bb/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=./src
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (630) panicked at build.rs:8:62:
[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:     0x5848b84f602a - std[e72de78501789eb0]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x5848b84f602a - std[e72de78501789eb0]::backtrace_rs::backtrace::trace_unsynchronized::<std[e72de78501789eb0]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x5848b84f602a - std[e72de78501789eb0]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5848b84f602a - <<std[e72de78501789eb0]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6aaeda2c7ad07a48]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x5848b8507a0a - <core[6aaeda2c7ad07a48]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5848b8507a0a - core[6aaeda2c7ad07a48]::fmt::write
[INFO] [stderr]      6:     0x5848b84fa372 - std[e72de78501789eb0]::io::default_write_fmt::<std[e72de78501789eb0]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x5848b84fa372 - <std[e72de78501789eb0]::sys::stdio::unix::Stderr as std[e72de78501789eb0]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x5848b84d904f - <std[e72de78501789eb0]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5848b84d904f - std[e72de78501789eb0]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5848b84f0eb1 - std[e72de78501789eb0]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5848b84f106b - std[e72de78501789eb0]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5848b84d9108 - std[e72de78501789eb0]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x5848b84d0b79 - std[e72de78501789eb0]::sys::backtrace::__rust_end_short_backtrace::<std[e72de78501789eb0]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x5848b84d9aed - __rustc[78a4cf188af856fc]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5848b850819c - core[6aaeda2c7ad07a48]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5848b8507f12 - core[6aaeda2c7ad07a48]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x5848b849670e - build_script_build[79baf7185293cea9]::main
[INFO] [stderr]     18:     0x5848b8497113 - <fn() as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x5848b8496156 - std[e72de78501789eb0]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x5848b8496379 - std[e72de78501789eb0]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x5848b84f0154 - <&dyn core[6aaeda2c7ad07a48]::ops::function::Fn<(), Output = i32> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe as core[6aaeda2c7ad07a48]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x5848b84f0154 - std[e72de78501789eb0]::panicking::catch_unwind::do_call::<&dyn core[6aaeda2c7ad07a48]::ops::function::Fn<(), Output = i32> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:581:40
[INFO] [stderr]     23:     0x5848b84f0154 - std[e72de78501789eb0]::panicking::catch_unwind::<i32, &dyn core[6aaeda2c7ad07a48]::ops::function::Fn<(), Output = i32> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:544:19
[INFO] [stderr]     24:     0x5848b84f0154 - std[e72de78501789eb0]::panic::catch_unwind::<&dyn core[6aaeda2c7ad07a48]::ops::function::Fn<(), Output = i32> + core[6aaeda2c7ad07a48]::marker::Sync + core[6aaeda2c7ad07a48]::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x5848b84f0154 - std[e72de78501789eb0]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x5848b84f0154 - std[e72de78501789eb0]::panicking::catch_unwind::do_call::<std[e72de78501789eb0]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:581:40
[INFO] [stderr]     27:     0x5848b84f0154 - std[e72de78501789eb0]::panicking::catch_unwind::<isize, std[e72de78501789eb0]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x5848b84f0154 - std[e72de78501789eb0]::panic::catch_unwind::<std[e72de78501789eb0]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x5848b84f0154 - std[e72de78501789eb0]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/dec9417b8611e34e787a3e4c37686b5131f9e5c5/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x5848b8496141 - std[e72de78501789eb0]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x5848b84971c5 - main
[INFO] [stderr]     32:     0x79925a4461ca - <unknown>
[INFO] [stderr]     33:     0x79925a44628b - __libc_start_main
[INFO] [stderr]     34:     0x5848b8495bf5 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "38548604d90fec4dea650e64bfe622249847f69040b53f5e222ddcca8b59a247", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38548604d90fec4dea650e64bfe622249847f69040b53f5e222ddcca8b59a247", kill_on_drop: false }`
[INFO] [stdout] 38548604d90fec4dea650e64bfe622249847f69040b53f5e222ddcca8b59a247