[INFO] fetching crate filesystem_in_a_file 0.0.1...
[INFO] testing filesystem_in_a_file-0.0.1 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate filesystem_in_a_file 0.0.1 into /workspace/builds/worker-0-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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate filesystem_in_a_file 0.0.1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "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" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 113 packages to highest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.13.2)
[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: v0.31.3)
[INFO] [stderr]       Adding rstest v0.16.0 (available: v0.27.0)
[INFO] [stderr]       Adding similar v2.7.0 (available: v3.2.0)
[INFO] [stderr]       Adding similar-asserts v1.7.0 (available: v2.0.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.21)
[INFO] [stderr]       Adding twox-hash v1.6.3 (available: v2.1.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sendstream_parser v0.2.2
[INFO] [stderr]   Downloaded rstest v0.16.0
[INFO] [stderr]   Downloaded rstest_macros v0.16.0
[INFO] [stderr]   Downloaded similar-asserts v1.7.0
[INFO] [stderr]   Downloaded remain v0.2.16
[INFO] [stderr]   Downloaded getset v0.1.7
[INFO] [stderr]   Downloaded cpio v0.2.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 846d25e2cc8f40b136ed4234651064ddefed02df0ef1eba8fe770ed5e633c166
[INFO] running `Command { std: "docker" "start" "846d25e2cc8f40b136ed4234651064ddefed02df0ef1eba8fe770ed5e633c166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "846d25e2cc8f40b136ed4234651064ddefed02df0ef1eba8fe770ed5e633c166", 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" "846d25e2cc8f40b136ed4234651064ddefed02df0ef1eba8fe770ed5e633c166" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "846d25e2cc8f40b136ed4234651064ddefed02df0ef1eba8fe770ed5e633c166", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "846d25e2cc8f40b136ed4234651064ddefed02df0ef1eba8fe770ed5e633c166" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.191
[INFO] [stderr]    Compiling zerocopy v0.8.63
[INFO] [stderr]    Compiling rustix v1.1.5
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling syn v3.0.9
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling slotmap v1.1.1
[INFO] [stderr]    Compiling pin-utils v0.1.1
[INFO] [stderr]    Compiling anyhow v1.0.104
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling uuid v1.28.0
[INFO] [stderr]    Compiling similar v2.7.0
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling filetime v0.2.29
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling derive_builder_core v0.12.0
[INFO] [stderr]    Compiling xattr v1.6.1
[INFO] [stderr]    Compiling nix v0.26.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling derive_builder_macro v0.12.0
[INFO] [stderr]    Compiling getset v0.1.7
[INFO] [stderr]    Compiling derive_builder v0.12.0
[INFO] [stderr]    Compiling tar v0.4.46
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling cpio v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling remain v0.2.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.8
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]    Compiling sendstream_parser v0.2.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta 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] [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] running `Command { std: "docker" "inspect" "846d25e2cc8f40b136ed4234651064ddefed02df0ef1eba8fe770ed5e633c166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "846d25e2cc8f40b136ed4234651064ddefed02df0ef1eba8fe770ed5e633c166", kill_on_drop: false }`
[INFO] [stdout] 846d25e2cc8f40b136ed4234651064ddefed02df0ef1eba8fe770ed5e633c166
