[INFO] fetching crate filesystem_in_a_file 0.0.1...
[INFO] checking filesystem_in_a_file-0.0.1 against 1.95.0 for pr-155915
[INFO] extracting crate filesystem_in_a_file 0.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate filesystem_in_a_file 0.0.1
[INFO] finished tweaking crates.io crate filesystem_in_a_file 0.0.1
[INFO] tweaked toml for crates.io crate filesystem_in_a_file 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate filesystem_in_a_file 0.0.1 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 140 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.11.1)
[INFO] [stderr]       Adding cpio v0.2.2 (available: v0.4.1)
[INFO] [stderr]       Adding derive_builder v0.12.0 (available: v0.20.2)
[INFO] [stderr]       Adding derive_more v0.99.20 (available: v2.1.1)
[INFO] [stderr]       Adding nix v0.26.4 (available: v0.31.2)
[INFO] [stderr]       Adding rstest v0.16.0 (available: v0.26.1)
[INFO] [stderr]       Adding similar v2.7.0 (available: v3.1.0)
[INFO] [stderr]       Adding similar-asserts v1.7.0 (available: v2.0.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] [stderr]       Adding twox-hash v1.6.3 (available: v2.1.2)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_builder_core v0.12.0
[INFO] [stderr]   Downloaded derive_builder v0.12.0
[INFO] [stderr]   Downloaded cpio v0.2.2
[INFO] [stderr]   Downloaded rstest v0.16.0
[INFO] [stderr]   Downloaded remain v0.2.15
[INFO] [stderr]   Downloaded sendstream_parser v0.2.2
[INFO] [stderr]   Downloaded rstest_macros v0.16.0
[INFO] [stderr]   Downloaded similar-asserts v1.7.0
[INFO] [stderr]   Downloaded derive_builder_macro v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 294f8297e4e781312aacfcbcbecdb4fe7714e6aef88dd3d80ff03d81e3f5a42e
[INFO] running `Command { std: "docker" "start" "-a" "294f8297e4e781312aacfcbcbecdb4fe7714e6aef88dd3d80ff03d81e3f5a42e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "294f8297e4e781312aacfcbcbecdb4fe7714e6aef88dd3d80ff03d81e3f5a42e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "294f8297e4e781312aacfcbcbecdb4fe7714e6aef88dd3d80ff03d81e3f5a42e", kill_on_drop: false }`
[INFO] [stdout] 294f8297e4e781312aacfcbcbecdb4fe7714e6aef88dd3d80ff03d81e3f5a42e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c6235721afadcb64ca55a964d4230da142dad32de3f7e057d7ab003d43d0fc63
[INFO] running `Command { std: "docker" "start" "-a" "c6235721afadcb64ca55a964d4230da142dad32de3f7e057d7ab003d43d0fc63", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling rstest_macros v0.16.0
[INFO] [stderr]    Compiling slotmap v1.1.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]     Checking xattr v1.6.1
[INFO] [stderr]     Checking uuid v1.23.1
[INFO] [stderr]     Checking similar v2.7.0
[INFO] [stderr]    Compiling remain v0.2.15
[INFO] [stderr]     Checking cpio v0.2.2
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]    Compiling getset v0.1.6
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]     Checking futures-util v0.3.32
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking filetime v0.2.28
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking getrandom v0.4.2
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking tar v0.4.45
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]     Checking similar-asserts v1.7.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.6
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking futures-executor v0.3.32
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]     Checking sendstream_parser v0.2.2
[INFO] [stderr]    Compiling darling_macro v0.14.4
[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/sendstream_parser-0.2.2/src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(macro_metavar_expr)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling derive_builder_core v0.12.0
[INFO] [stderr]     Checking rstest v0.16.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sendstream_parser` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c6235721afadcb64ca55a964d4230da142dad32de3f7e057d7ab003d43d0fc63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6235721afadcb64ca55a964d4230da142dad32de3f7e057d7ab003d43d0fc63", kill_on_drop: false }`
[INFO] [stdout] c6235721afadcb64ca55a964d4230da142dad32de3f7e057d7ab003d43d0fc63