[INFO] fetching crate cargo-no-alloc 0.1.0...
[INFO] checking cargo-no-alloc-0.1.0 against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6+rustflags=-Znext-solver=coherence for pr-133502-30
[INFO] extracting crate cargo-no-alloc 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate cargo-no-alloc 0.1.0
[INFO] finished tweaking crates.io crate cargo-no-alloc 0.1.0
[INFO] tweaked toml for crates.io crate cargo-no-alloc 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-no-alloc 0.1.0 on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cargo-no-alloc 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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "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]  Downloading crates ...
[INFO] [stderr]   Downloaded no_alloc_analysis v0.1.0
[INFO] [stderr]   Downloaded no_alloc_report v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a3c4f025bb26ffd85d28439866a51bd93f2c16ece57bd647ca7313c0735a7a84
[INFO] running `Command { std: "docker" "start" "a3c4f025bb26ffd85d28439866a51bd93f2c16ece57bd647ca7313c0735a7a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3c4f025bb26ffd85d28439866a51bd93f2c16ece57bd647ca7313c0735a7a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a3c4f025bb26ffd85d28439866a51bd93f2c16ece57bd647ca7313c0735a7a84" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3c4f025bb26ffd85d28439866a51bd93f2c16ece57bd647ca7313c0735a7a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Znext-solver=coherence" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a3c4f025bb26ffd85d28439866a51bd93f2c16ece57bd647ca7313c0735a7a84" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v1.15.2
[INFO] [stderr]    Compiling cargo-no-alloc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking serde v1.0.229
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking tracing-subscriber v0.3.23
[INFO] [stderr] error: failed to run custom build command for `cargo-no-alloc 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/cargo-no-alloc/2f29397be42213ab/out/build_script_build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: cargo-no-alloc requires exactly nightly-2026-08-01 on Linux; found:
[INFO] [stderr]   rustc 1.101.0-nightly (3154cc1a3 2026-10-09)
[INFO] [stderr]   binary: rustc
[INFO] [stderr]   commit-hash: 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] [stderr]   commit-date: 2026-10-09
[INFO] [stderr]   host: x86_64-unknown-linux-gnu
[INFO] [stderr]   release: 1.101.0-nightly
[INFO] [stderr]   LLVM version: 23.1.3
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   Stack backtrace:
[INFO] [stderr]      0: <anyhow::Error>::msg::<alloc::string::String>
[INFO] [stderr]      1: anyhow::__private::format_err
[INFO] [stderr]      2: build_script_build::main
[INFO] [stderr]      3: <fn() -> core::result::Result<(), anyhow::Error> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]      4: std::sys::backtrace::__rust_begin_short_backtrace::<fn() -> core::result::Result<(), anyhow::Error>, core::result::Result<(), anyhow::Error>>
[INFO] [stderr]      5: std::rt::lang_start::<core::result::Result<(), anyhow::Error>>::{closure#0}
[INFO] [stderr]      6: <&dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe as core::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/core/src/ops/function.rs:287:21
[INFO] [stderr]      7: std::panicking::catch_unwind::do_call::<&dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/panicking.rs:573:43
[INFO] [stderr]      8: std::panicking::catch_unwind::<i32, &dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe>
[INFO] [stderr]                at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/panicking.rs:541:19
[INFO] [stderr]      9: std::panic::catch_unwind::<&dyn core::ops::function::Fn<(), Output = i32> + core::marker::Sync + core::panic::unwind_safe::RefUnwindSafe, i32>
[INFO] [stderr]                at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/panic.rs:359:14
[INFO] [stderr]     10: std::rt::lang_start_internal::{closure#0}
[INFO] [stderr]                at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/rt.rs:175:24
[INFO] [stderr]     11: std::panicking::catch_unwind::do_call::<std::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/panicking.rs:573:43
[INFO] [stderr]     12: std::panicking::catch_unwind::<isize, std::rt::lang_start_internal::{closure#0}>
[INFO] [stderr]                at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/panicking.rs:541:19
[INFO] [stderr]     13: std::panic::catch_unwind::<std::rt::lang_start_internal::{closure#0}, isize>
[INFO] [stderr]                at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/panic.rs:359:14
[INFO] [stderr]     14: std::rt::lang_start_internal
[INFO] [stderr]                at /rustc/3154cc1a3e6424e44f438a95007d043ed5ceaaf6/library/std/src/rt.rs:171:5
[INFO] [stderr]     15: std::rt::lang_start::<core::result::Result<(), anyhow::Error>>
[INFO] [stderr]     16: main
[INFO] [stderr]     17: <unknown>
[INFO] [stderr]     18: __libc_start_main
[INFO] [stderr]     19: _start
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a3c4f025bb26ffd85d28439866a51bd93f2c16ece57bd647ca7313c0735a7a84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3c4f025bb26ffd85d28439866a51bd93f2c16ece57bd647ca7313c0735a7a84", kill_on_drop: false }`
[INFO] [stdout] a3c4f025bb26ffd85d28439866a51bd93f2c16ece57bd647ca7313c0735a7a84
