[INFO] fetching crate thread_spawn 0.4.0...
[INFO] checking thread_spawn-0.4.0 against 1.95.0 for pr-155915
[INFO] extracting crate thread_spawn 0.4.0 into /workspace/builds/worker-5-tc1/source
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate thread_spawn 0.4.0
[INFO] finished tweaking crates.io crate thread_spawn 0.4.0
[INFO] tweaked toml for crates.io crate thread_spawn 0.4.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate thread_spawn 0.4.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 56 packages to latest compatible versions
[INFO] [stderr]       Adding compiletest_rs v0.3.26 (available: v0.11.2)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (available: v1.0.106)
[INFO] [stderr]       Adding quote v0.6.13 (available: v1.0.45)
[INFO] [stderr]       Adding syn v0.14.9 (available: v2.0.117)
[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] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getopts v0.2.24
[INFO] [stderr]   Downloaded rustfix v0.4.6
[INFO] [stderr]   Downloaded tester v0.6.0
[INFO] [stderr]   Downloaded compiletest_rs v0.3.26
[INFO] [stderr]   Downloaded term v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] af9d0c1d2bd03d6fb27a7df7b95da2c61498806b5b510799953c938f1b20a949
[INFO] running `Command { std: "docker" "start" "-a" "af9d0c1d2bd03d6fb27a7df7b95da2c61498806b5b510799953c938f1b20a949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af9d0c1d2bd03d6fb27a7df7b95da2c61498806b5b510799953c938f1b20a949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af9d0c1d2bd03d6fb27a7df7b95da2c61498806b5b510799953c938f1b20a949", kill_on_drop: false }`
[INFO] [stdout] af9d0c1d2bd03d6fb27a7df7b95da2c61498806b5b510799953c938f1b20a949
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 085610e8edd4f5ff3278dc127f6b8f1612fbb284688d5c81d364dea1aa906d55
[INFO] running `Command { std: "docker" "start" "-a" "085610e8edd4f5ff3278dc127f6b8f1612fbb284688d5c81d364dea1aa906d55", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking memchr v2.8.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]     Checking serde_core v1.0.228
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rustc-demangle v0.1.27
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]     Checking itoa v1.0.18
[INFO] [stderr]     Checking getopts v0.2.24
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]    Compiling compiletest_rs v0.3.26
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking log v0.4.29
[INFO] [stderr]     Checking syn v0.14.9
[INFO] [stderr]     Checking filetime v0.2.28
[INFO] [stderr]     Checking tester v0.6.0
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking addr2line v0.25.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking rustfix v0.4.6
[INFO] [stderr]     Checking thread_spawn v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `proc_macro` has been stable since `1.29.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `thread_spawn` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "085610e8edd4f5ff3278dc127f6b8f1612fbb284688d5c81d364dea1aa906d55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "085610e8edd4f5ff3278dc127f6b8f1612fbb284688d5c81d364dea1aa906d55", kill_on_drop: false }`
[INFO] [stdout] 085610e8edd4f5ff3278dc127f6b8f1612fbb284688d5c81d364dea1aa906d55
