[INFO] fetching crate fasrt 0.1.0...
[INFO] testing fasrt-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate fasrt 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate fasrt 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate fasrt 0.1.0
[INFO] tweaked toml for crates.io crate fasrt 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fasrt 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] crate crates.io crate fasrt 0.1.0 already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded convert_case v0.10.0
[INFO] [stderr]   Downloaded phf_generator v0.13.1
[INFO] [stderr]   Downloaded phf_codegen v0.13.1
[INFO] [stderr]   Downloaded tempfile v3.26.0
[INFO] [stderr]   Downloaded alloca v0.4.0
[INFO] [stderr]   Downloaded page_size v0.6.0
[INFO] [stderr]   Downloaded logos-derive v0.16.1
[INFO] [stderr]   Downloaded logos v0.16.1
[INFO] [stderr]   Downloaded criterion-plot v0.8.2
[INFO] [stderr]   Downloaded logos-codegen v0.16.1
[INFO] [stderr]   Downloaded derive_more v2.1.1
[INFO] [stderr]   Downloaded criterion v0.8.2
[INFO] [stderr]   Downloaded derive_more-impl v2.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ef0c7fa1bd9cff5ffd4aafbc491d3b3e60c096de88262d7c607b2a3b2946e18c
[INFO] running `Command { std: "docker" "start" "-a" "ef0c7fa1bd9cff5ffd4aafbc491d3b3e60c096de88262d7c607b2a3b2946e18c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef0c7fa1bd9cff5ffd4aafbc491d3b3e60c096de88262d7c607b2a3b2946e18c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef0c7fa1bd9cff5ffd4aafbc491d3b3e60c096de88262d7c607b2a3b2946e18c", kill_on_drop: false }`
[INFO] [stdout] ef0c7fa1bd9cff5ffd4aafbc491d3b3e60c096de88262d7c607b2a3b2946e18c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a325997d0389b12bb07969e0db3daaf7da0af8fca189b15fdd661d65ce91941b
[INFO] running `Command { std: "docker" "start" "-a" "a325997d0389b12bb07969e0db3daaf7da0af8fca189b15fdd661d65ce91941b", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling siphasher v1.0.2
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling itoa v1.0.17
[INFO] [stderr]    Compiling thiserror v2.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling phf_shared v0.13.1
[INFO] [stderr]    Compiling convert_case v0.10.0
[INFO] [stderr]    Compiling phf v0.13.1
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling phf_generator v0.13.1
[INFO] [stderr]    Compiling phf_codegen v0.13.1
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling derive_more-impl v2.1.1
[INFO] [stderr]    Compiling logos-codegen v0.16.1
[INFO] [stderr]    Compiling logos-derive v0.16.1
[INFO] [stderr]    Compiling logos v0.16.1
[INFO] [stderr]    Compiling derive_more v2.1.1
[INFO] [stderr]    Compiling fasrt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `fasrt 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/fasrt-274c2ae13cdb71a3/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=build.rs
[INFO] [stderr]   cargo:rerun-if-env-changed=CARGO_TARPAULIN
[INFO] [stderr]   cargo:rerun-if-env-changed=CARGO_CFG_TARPAULIN
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (598) panicked at build.rs:92:6:
[INFO] [stderr]   failed to open generated file: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x5e270a93c0da - 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:     0x5e270a93c0da - 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:     0x5e270a93c0da - std[31e582c13f4e914f]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x5e270a93c0da - <<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:     0x5e270a94e9aa - <core[fa0eadad68403074]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x5e270a94e9aa - core[fa0eadad68403074]::fmt::write
[INFO] [stderr]      6:     0x5e270a93fe72 - 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:     0x5e270a93fe72 - <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:     0x5e270a926f2f - <std[31e582c13f4e914f]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x5e270a926f2f - std[31e582c13f4e914f]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x5e270a9379f1 - std[31e582c13f4e914f]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x5e270a937bab - std[31e582c13f4e914f]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x5e270a926fe8 - std[31e582c13f4e914f]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x5e270a91c259 - 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:     0x5e270a92794d - __rustc[fc8e3a9f23f26cb]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x5e270a94f13c - core[fa0eadad68403074]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x5e270a94eeb2 - core[fa0eadad68403074]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x5e270a8dec92 - <core[fa0eadad68403074]::result::Result<std[31e582c13f4e914f]::fs::File, std[31e582c13f4e914f]::io::error::Error>>::expect
[INFO] [stderr]     18:     0x5e270a8dc019 - build_script_build[4a1a906c272f81a9]::generate_from_str_60
[INFO] [stderr]     19:     0x5e270a8de989 - build_script_build[4a1a906c272f81a9]::main
[INFO] [stderr]     20:     0x5e270a8e5c93 - <fn() as core[fa0eadad68403074]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     21:     0x5e270a8d9556 - std[31e582c13f4e914f]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     22:     0x5e270a8e44b9 - std[31e582c13f4e914f]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     23:     0x5e270a937034 - <&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]     24:     0x5e270a937034 - 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]     25:     0x5e270a937034 - 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]     26:     0x5e270a937034 - 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]     27:     0x5e270a937034 - std[31e582c13f4e914f]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x5e270a937034 - 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]     29:     0x5e270a937034 - 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]     30:     0x5e270a937034 - 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]     31:     0x5e270a937034 - std[31e582c13f4e914f]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/562dee4820c458d823175268e41601d4c060588a/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x5e270a8e0b91 - std[31e582c13f4e914f]::rt::lang_start::<()>
[INFO] [stderr]     33:     0x5e270a8e00c5 - main
[INFO] [stderr]     34:     0x746fc1a841ca - <unknown>
[INFO] [stderr]     35:     0x746fc1a8428b - __libc_start_main
[INFO] [stderr]     36:     0x5e270a8d5275 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "a325997d0389b12bb07969e0db3daaf7da0af8fca189b15fdd661d65ce91941b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a325997d0389b12bb07969e0db3daaf7da0af8fca189b15fdd661d65ce91941b", kill_on_drop: false }`
[INFO] [stdout] a325997d0389b12bb07969e0db3daaf7da0af8fca189b15fdd661d65ce91941b