[INFO] fetching crate xlsx 0.1.0...
[INFO] testing xlsx-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate xlsx 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate xlsx 0.1.0
[INFO] finished tweaking crates.io crate xlsx 0.1.0
[INFO] tweaked toml for crates.io crate xlsx 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xlsx 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] [stderr]       Adding xml_writer v0.1.4 (available: v0.4.0)
[INFO] [stderr]       Adding zip v0.1.19 (available: v5.1.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b24ae20861c73afbd6165f3a5c6c9547f63bbadf488262e69ff8743e3b53e97
[INFO] running `Command { std: "docker" "start" "-a" "3b24ae20861c73afbd6165f3a5c6c9547f63bbadf488262e69ff8743e3b53e97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b24ae20861c73afbd6165f3a5c6c9547f63bbadf488262e69ff8743e3b53e97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b24ae20861c73afbd6165f3a5c6c9547f63bbadf488262e69ff8743e3b53e97", kill_on_drop: false }`
[INFO] [stdout] 3b24ae20861c73afbd6165f3a5c6c9547f63bbadf488262e69ff8743e3b53e97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07bcd1ffd195fd7489f6cfb222f12cea72760b4c95f2a3716055f968c05c9924
[INFO] running `Command { std: "docker" "start" "-a" "07bcd1ffd195fd7489f6cfb222f12cea72760b4c95f2a3716055f968c05c9924", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling podio v0.1.7
[INFO] [stderr]    Compiling xml_writer v0.1.4
[INFO] [stderr]    Compiling time v0.1.45
[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/xml_writer-0.1.4/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(unicode)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `unicode`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/xml_writer-0.1.4/src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(unicode)]
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 1 argument but 0 arguments were supplied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/xml_writer-0.1.4/src/xml_writer.rs:145:49
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 _    => try!(self.write_slice(c.encode_utf8().as_slice()))
[INFO] [stdout]     |                                                 ^^^^^^^^^^^-- argument #1 of type `&mut [u8]` is missing
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/char/methods.rs:714:18
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 _    => try!(self.write_slice(c.encode_utf8(/* &mut [u8] */).as_slice()))
[INFO] [stdout]     |                                                             +++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `as_slice` found for mutable reference `&mut str` in the current scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/xml_writer-0.1.4/src/xml_writer.rs:145:63
[INFO] [stdout]     |
[INFO] [stdout] 145 |                 _    => try!(self.write_slice(c.encode_utf8().as_slice()))
[INFO] [stdout]     |                                                               ^^^^^^^^ method not found in `&mut str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0554, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `xml_writer` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "07bcd1ffd195fd7489f6cfb222f12cea72760b4c95f2a3716055f968c05c9924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07bcd1ffd195fd7489f6cfb222f12cea72760b4c95f2a3716055f968c05c9924", kill_on_drop: false }`
[INFO] [stdout] 07bcd1ffd195fd7489f6cfb222f12cea72760b4c95f2a3716055f968c05c9924
