[INFO] fetching crate forkfs 0.2.6...
[INFO] testing forkfs-0.2.6 against 1.75.0 for beta-1.76-1
[INFO] extracting crate forkfs 0.2.6 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate forkfs 0.2.6 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate forkfs 0.2.6
[INFO] finished tweaking crates.io crate forkfs 0.2.6
[INFO] tweaked toml for crates.io crate forkfs 0.2.6 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate forkfs 0.2.6 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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typed-builder v0.16.2
[INFO] [stderr]   Downloaded snapbox-macros v0.3.5
[INFO] [stderr]   Downloaded typed-builder-macro v0.16.2
[INFO] [stderr]   Downloaded cvt v0.1.2
[INFO] [stderr]   Downloaded cargo_metadata v0.17.0
[INFO] [stderr]   Downloaded cargo-manifest v0.9.0
[INFO] [stderr]   Downloaded public-api v0.32.0
[INFO] [stderr]   Downloaded supercilex-tests v0.3.4
[INFO] [stderr]   Downloaded remove_dir_all v0.8.2
[INFO] [stderr]   Downloaded trycmd v0.14.17
[INFO] [stderr]   Downloaded fs_at v0.1.10
[INFO] [stderr]   Downloaded clap v4.4.5
[INFO] [stderr]   Downloaded rustix v0.38.14
[INFO] [stderr]   Downloaded snapbox v0.4.12
[INFO] [stderr]   Downloaded clap_builder v4.4.5
[INFO] [stderr]   Downloaded error-stack v0.4.1
[INFO] [stderr]   Downloaded rustdoc-json v0.8.7
[INFO] [stderr]   Downloaded hashbag v0.1.11
[INFO] [stderr]   Downloaded fuc_engine v1.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e405604f3df0d7e3e89fe4b52bad14c7543daae088117c23510c1266be9255f8
[INFO] running `Command { std: "docker" "start" "-a" "e405604f3df0d7e3e89fe4b52bad14c7543daae088117c23510c1266be9255f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e405604f3df0d7e3e89fe4b52bad14c7543daae088117c23510c1266be9255f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e405604f3df0d7e3e89fe4b52bad14c7543daae088117c23510c1266be9255f8", kill_on_drop: false }`
[INFO] [stdout] e405604f3df0d7e3e89fe4b52bad14c7543daae088117c23510c1266be9255f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e03a05a97c4e980c56e18c9a5edbffa079f6f3701bd9cfe1afa056b55c10abc3
[INFO] running `Command { std: "docker" "start" "-a" "e03a05a97c4e980c56e18c9a5edbffa079f6f3701bd9cfe1afa056b55c10abc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling rustix v0.38.14
[INFO] [stderr]    Compiling semver v1.0.19
[INFO] [stderr]    Compiling bitflags v2.4.0
[INFO] [stderr]    Compiling linux-raw-sys v0.4.7
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling utf8parse v0.2.1
[INFO] [stderr]    Compiling anstyle-query v1.0.0
[INFO] [stderr]    Compiling anstyle v1.0.3
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling colorchoice v1.0.0
[INFO] [stderr]    Compiling clap_lex v0.5.1
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.1
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling anstream v0.5.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling error-stack v0.4.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling dirs v5.0.1
[INFO] [stderr]    Compiling terminal_size v0.3.0
[INFO] [stderr]    Compiling clap_builder v4.4.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling typed-builder-macro v0.16.2
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]    Compiling typed-builder v0.16.2
[INFO] [stderr]    Compiling fuc_engine v1.1.8
[INFO] [stderr]    Compiling clap v4.4.5
[INFO] [stderr]    Compiling forkfs v0.2.6 (/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(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(dir_entry_ext2)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(c_str_literals)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(dir_entry_ext2)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `forkfs` (lib) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "e03a05a97c4e980c56e18c9a5edbffa079f6f3701bd9cfe1afa056b55c10abc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e03a05a97c4e980c56e18c9a5edbffa079f6f3701bd9cfe1afa056b55c10abc3", kill_on_drop: false }`
[INFO] [stdout] e03a05a97c4e980c56e18c9a5edbffa079f6f3701bd9cfe1afa056b55c10abc3
