[INFO] cloning repository https://github.com/uruana33/kvserver-learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uruana33/kvserver-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furuana33%2Fkvserver-learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furuana33%2Fkvserver-learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1efe918176fdeb1cffff7d843367f9b0df9a35c6
[INFO] checking uruana33/kvserver-learn against master#08cd08fbef8c6663b052d8d9e4930d5696cbb8a7 for 150662-leaf-spurious
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furuana33%2Fkvserver-learn" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/uruana33/kvserver-learn
[INFO] finished tweaking git repo https://github.com/uruana33/kvserver-learn
[INFO] tweaked toml for git repo https://github.com/uruana33/kvserver-learn written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/uruana33/kvserver-learn on toolchain 08cd08fbef8c6663b052d8d9e4930d5696cbb8a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/uruana33/kvserver-learn 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" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e9edada2b509e9cfafb0e01ff6170a467a78c2fe1040541ec82709ebdec93f0
[INFO] running `Command { std: "docker" "start" "-a" "0e9edada2b509e9cfafb0e01ff6170a467a78c2fe1040541ec82709ebdec93f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e9edada2b509e9cfafb0e01ff6170a467a78c2fe1040541ec82709ebdec93f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e9edada2b509e9cfafb0e01ff6170a467a78c2fe1040541ec82709ebdec93f0", kill_on_drop: false }`
[INFO] [stdout] 0e9edada2b509e9cfafb0e01ff6170a467a78c2fe1040541ec82709ebdec93f0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+08cd08fbef8c6663b052d8d9e4930d5696cbb8a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9df5cb09d156b1728bdfeb105b991ccd66c8fb6a6b4b1e61c6315f7d5e99028
[INFO] running `Command { std: "docker" "start" "-a" "c9df5cb09d156b1728bdfeb105b991ccd66c8fb6a6b4b1e61c6315f7d5e99028", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling bitflags v2.9.4
[INFO] [stderr]    Compiling hashbrown v0.16.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling multimap v0.10.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]    Compiling indexmap v2.11.4
[INFO] [stderr]     Checking memchr v2.7.6
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking nu-ansi-term v0.50.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking mio v1.0.4
[INFO] [stderr]     Checking socket2 v0.6.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.20
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]     Checking const-random v0.1.18
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking dashmap v3.11.10
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling prost-derive v0.8.0
[INFO] [stderr]     Checking prost v0.8.0
[INFO] [stderr]    Compiling prost-derive v0.14.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]     Checking tokio v1.47.1
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling prost v0.14.1
[INFO] [stderr]    Compiling prost-types v0.14.1
[INFO] [stderr]    Compiling prost-build v0.14.1
[INFO] [stderr]     Checking async-prost v0.2.1
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]    Compiling kvserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `kvserver 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/kvserver-8727c0dd0c09449e/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   =======🔥on build🔥=========
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (1395) panicked at build.rs:21:10:
[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:     0x61a22d8b012a - std[6604cdc25c8b7cf6]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                  at /rustc/08cd08fbef8c6663b052d8d9e4930d5696cbb8a7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x61a22d8b012a - std[6604cdc25c8b7cf6]::backtrace_rs::backtrace::trace_unsynchronized::<std[6604cdc25c8b7cf6]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                  at /rustc/08cd08fbef8c6663b052d8d9e4930d5696cbb8a7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x61a22d8b012a - std[6604cdc25c8b7cf6]::sys::backtrace::_print_fmt
[INFO] [stderr]                                  at /rustc/08cd08fbef8c6663b052d8d9e4930d5696cbb8a7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]      3:     0x61a22d8b012a - <<std[6604cdc25c8b7cf6]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[6cb88de837e597fb]::fmt::Display>::fmt
[INFO] [stderr]                                  at /rustc/08cd08fbef8c6663b052d8d9e4930d5696cbb8a7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]      4:     0x61a22d8c3fea - <core[6cb88de837e597fb]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                  at /rustc/08cd08fbef8c6663b052d8d9e4930d5696cbb8a7/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]      5:     0x61a22d8c3fea - core[6cb88de837e597fb]::fmt::write
[INFO] [stderr]      6:     0x61a22d8b5cd2 - std[6604cdc25c8b7cf6]::io::default_write_fmt::<std[6604cdc25c8b7cf6]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                  at /rustc/08cd08fbef8c6663b052d8d9e4930d5696cbb8a7/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x61a22d8b5cd2 - <std[6604cdc25c8b7cf6]::sys::stdio::unix::Stderr as std[6604cdc25c8b7cf6]::io::Write>::write_fmt
[INFO] [stderr]                                  at /rustc/08cd08fbef8c6663b052d8d9e4930d5696cbb8a7/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]      8:     0x61a22d8932cf - <std[6604cdc25c8b7cf6]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                  at /rustc/08cd08fbef8c6663b052d8d9e4930d5696cbb8a7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]      9:     0x61a22d8932cf - std[6604cdc25c8b7cf6]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                  at /rustc/08cd08fbef8c6663b052d8d9e4930d5696cbb8a7/library/std/src/panicking.rs:292:27
[INFO] [stderr]     10:     0x61a22d8aa681 - std[6604cdc25c8b7cf6]::panicking::default_hook
[INFO] [stderr]                                  at /rustc/08cd08fbef8c6663b052d8d9e4930d5696cbb8a7/library/std/src/panicking.rs:319:9
[INFO] [stderr]     11:     0x61a22d8aa8fb - std[6604cdc25c8b7cf6]::panicking::panic_with_hook
[INFO] [stderr]                                  at /rustc/08cd08fbef8c6663b052d8d9e4930d5696cbb8a7/library/std/src/panicking.rs:825:13
[INFO] [stderr]     12:     0x61a22d893388 - std[6604cdc25c8b7cf6]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                  at /rustc/08cd08fbef8c6663b052d8d9e4930d5696cbb8a7/library/std/src/panicking.rs:698:13
[INFO] [stderr]     13:     0x61a22d888399 - std[6604cdc25c8b7cf6]::sys::backtrace::__rust_end_short_backtrace::<std[6604cdc25c8b7cf6]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                  at /rustc/08cd08fbef8c6663b052d8d9e4930d5696cbb8a7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]     14:     0x61a22d893ced - __rustc[3c4b65228f7d0d4]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/08cd08fbef8c6663b052d8d9e4930d5696cbb8a7/library/std/src/panicking.rs:689:5
[INFO] [stderr]     15:     0x61a22d8c482c - core[6cb88de837e597fb]::panicking::panic_fmt
[INFO] [stderr]                                  at /rustc/08cd08fbef8c6663b052d8d9e4930d5696cbb8a7/library/core/src/panicking.rs:80:14
[INFO] [stderr]     16:     0x61a22d8c45a2 - core[6cb88de837e597fb]::result::unwrap_failed
[INFO] [stderr]                                  at /rustc/08cd08fbef8c6663b052d8d9e4930d5696cbb8a7/library/core/src/result.rs:1867:5
[INFO] [stderr]     17:     0x61a22d5d776d - build_script_build[deade06d495b972b]::main
[INFO] [stderr]     18:     0x61a22d5d4dd3 - <fn() as core[6cb88de837e597fb]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]     19:     0x61a22d5bca56 - std[6604cdc25c8b7cf6]::sys::backtrace::__rust_begin_short_backtrace::<fn(), ()>
[INFO] [stderr]     20:     0x61a22d5d7179 - std[6604cdc25c8b7cf6]::rt::lang_start::<()>::{closure#0}
[INFO] [stderr]     21:     0x61a22d8a9824 - <&dyn core[6cb88de837e597fb]::ops::function::Fn<(), Output = i32> + core[6cb88de837e597fb]::panic::unwind_safe::RefUnwindSafe + core[6cb88de837e597fb]::marker::Sync as core[6cb88de837e597fb]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                  at /rustc/08cd08fbef8c6663b052d8d9e4930d5696cbb8a7/library/core/src/ops/function.rs:287:21
[INFO] [stderr]     22:     0x61a22d8a9824 - std[6604cdc25c8b7cf6]::panicking::catch_unwind::do_call::<&dyn core[6cb88de837e597fb]::ops::function::Fn<(), Output = i32> + core[6cb88de837e597fb]::panic::unwind_safe::RefUnwindSafe + core[6cb88de837e597fb]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/08cd08fbef8c6663b052d8d9e4930d5696cbb8a7/library/std/src/panicking.rs:581:40
[INFO] [stderr]     23:     0x61a22d8a9824 - std[6604cdc25c8b7cf6]::panicking::catch_unwind::<i32, &dyn core[6cb88de837e597fb]::ops::function::Fn<(), Output = i32> + core[6cb88de837e597fb]::panic::unwind_safe::RefUnwindSafe + core[6cb88de837e597fb]::marker::Sync>
[INFO] [stderr]                                  at /rustc/08cd08fbef8c6663b052d8d9e4930d5696cbb8a7/library/std/src/panicking.rs:544:19
[INFO] [stderr]     24:     0x61a22d8a9824 - std[6604cdc25c8b7cf6]::panic::catch_unwind::<&dyn core[6cb88de837e597fb]::ops::function::Fn<(), Output = i32> + core[6cb88de837e597fb]::panic::unwind_safe::RefUnwindSafe + core[6cb88de837e597fb]::marker::Sync, i32>
[INFO] [stderr]                                  at /rustc/08cd08fbef8c6663b052d8d9e4930d5696cbb8a7/library/std/src/panic.rs:359:14
[INFO] [stderr]     25:     0x61a22d8a9824 - std[6604cdc25c8b7cf6]::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                                  at /rustc/08cd08fbef8c6663b052d8d9e4930d5696cbb8a7/library/std/src/rt.rs:175:24
[INFO] [stderr]     26:     0x61a22d8a9824 - std[6604cdc25c8b7cf6]::panicking::catch_unwind::do_call::<std[6604cdc25c8b7cf6]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/08cd08fbef8c6663b052d8d9e4930d5696cbb8a7/library/std/src/panicking.rs:581:40
[INFO] [stderr]     27:     0x61a22d8a9824 - std[6604cdc25c8b7cf6]::panicking::catch_unwind::<isize, std[6604cdc25c8b7cf6]::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                                  at /rustc/08cd08fbef8c6663b052d8d9e4930d5696cbb8a7/library/std/src/panicking.rs:544:19
[INFO] [stderr]     28:     0x61a22d8a9824 - std[6604cdc25c8b7cf6]::panic::catch_unwind::<std[6604cdc25c8b7cf6]::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                                  at /rustc/08cd08fbef8c6663b052d8d9e4930d5696cbb8a7/library/std/src/panic.rs:359:14
[INFO] [stderr]     29:     0x61a22d8a9824 - std[6604cdc25c8b7cf6]::rt::lang_start_internal
[INFO] [stderr]                                  at /rustc/08cd08fbef8c6663b052d8d9e4930d5696cbb8a7/library/std/src/rt.rs:171:5
[INFO] [stderr]     30:     0x61a22d5d6d51 - std[6604cdc25c8b7cf6]::rt::lang_start::<()>
[INFO] [stderr]     31:     0x61a22d5d96e5 - main
[INFO] [stderr]     32:     0x7e28d6a411ca - <unknown>
[INFO] [stderr]     33:     0x7e28d6a4128b - __libc_start_main
[INFO] [stderr]     34:     0x61a22d5ba165 - _start
[INFO] [stderr]     35:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "c9df5cb09d156b1728bdfeb105b991ccd66c8fb6a6b4b1e61c6315f7d5e99028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9df5cb09d156b1728bdfeb105b991ccd66c8fb6a6b4b1e61c6315f7d5e99028", kill_on_drop: false }`
[INFO] [stdout] c9df5cb09d156b1728bdfeb105b991ccd66c8fb6a6b4b1e61c6315f7d5e99028