[INFO] fetching crate pi_rt_file 0.5.0...
[INFO] checking pi_rt_file-0.5.0 against 1.95.0 for pr-155915
[INFO] extracting crate pi_rt_file 0.5.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate pi_rt_file 0.5.0
[INFO] finished tweaking crates.io crate pi_rt_file 0.5.0
[INFO] tweaked toml for crates.io crate pi_rt_file 0.5.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pi_rt_file 0.5.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pi_rt_file 0.5.0 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pi_hash v0.1.1
[INFO] [stderr]   Downloaded crossbeam-queue v0.3.11
[INFO] [stderr]   Downloaded pi_ext_heap v0.1.1
[INFO] [stderr]   Downloaded pi_slot_deque v0.2.1
[INFO] [stderr]   Downloaded pi_slot_wheel v0.2.0
[INFO] [stderr]   Downloaded pi_cancel_timer v0.2.0
[INFO] [stderr]   Downloaded parking v2.2.0
[INFO] [stderr]   Downloaded event-listener-strategy v0.5.2
[INFO] [stderr]   Downloaded normpath v1.3.0
[INFO] [stderr]   Downloaded redox_syscall v0.5.3
[INFO] [stderr]   Downloaded rustversion v1.0.17
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.20
[INFO] [stderr]   Downloaded miniz_oxide v0.7.4
[INFO] [stderr]   Downloaded flume v0.11.0
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.13
[INFO] [stderr]   Downloaded raw-cpuid v11.1.0
[INFO] [stderr]   Downloaded regex v1.10.5
[INFO] [stderr]   Downloaded rand v0.9.0
[INFO] [stderr]   Downloaded pi-async-rt v0.2.5
[INFO] [stderr]   Downloaded zerocopy-derive v0.8.23
[INFO] [stderr]   Downloaded loom v0.5.6
[INFO] [stderr]   Downloaded sysinfo v0.29.11
[INFO] [stderr]   Downloaded getrandom v0.3.2
[INFO] [stderr]   Downloaded pi_async_file v0.7.0
[INFO] [stderr]   Downloaded zerocopy v0.8.23
[INFO] [stderr]   Downloaded syn v2.0.72
[INFO] [stderr]   Downloaded pi_timer v0.1.0
[INFO] [stderr]   Downloaded quanta v0.12.3
[INFO] [stderr]   Downloaded object v0.36.1
[INFO] [stderr]   Downloaded regex-syntax v0.8.4
[INFO] [stderr]   Downloaded generator v0.7.5
[INFO] [stderr]   Downloaded st3 v0.4.1
[INFO] [stderr]   Downloaded pi_wrr v0.1.1
[INFO] [stderr]   Downloaded pi_wheel v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5566dcaae8aa07405b1cc561ec7c825cc6ff92dc7d934e78a1cb81e2c0a498b
[INFO] running `Command { std: "docker" "start" "-a" "d5566dcaae8aa07405b1cc561ec7c825cc6ff92dc7d934e78a1cb81e2c0a498b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5566dcaae8aa07405b1cc561ec7c825cc6ff92dc7d934e78a1cb81e2c0a498b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5566dcaae8aa07405b1cc561ec7c825cc6ff92dc7d934e78a1cb81e2c0a498b", kill_on_drop: false }`
[INFO] [stdout] d5566dcaae8aa07405b1cc561ec7c825cc6ff92dc7d934e78a1cb81e2c0a498b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 744191c3881c1c3f17f3a9b702d000804869a887cf3ff349b7c6dd170f7e1b4c
[INFO] running `Command { std: "docker" "start" "-a" "744191c3881c1c3f17f3a9b702d000804869a887cf3ff349b7c6dd170f7e1b4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling zerocopy v0.8.23
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]    Compiling cc v1.1.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking gimli v0.29.0
[INFO] [stderr]     Checking pi_ext_heap v0.1.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/pi_ext_heap-0.1.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(min_specialization)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]     Checking raw-cpuid v11.1.0
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr] error: could not compile `pi_ext_heap` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "744191c3881c1c3f17f3a9b702d000804869a887cf3ff349b7c6dd170f7e1b4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "744191c3881c1c3f17f3a9b702d000804869a887cf3ff349b7c6dd170f7e1b4c", kill_on_drop: false }`
[INFO] [stdout] 744191c3881c1c3f17f3a9b702d000804869a887cf3ff349b7c6dd170f7e1b4c