[INFO] fetching crate virgil 0.2.3...
[INFO] testing virgil-0.2.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate virgil 0.2.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate virgil 0.2.3
[INFO] finished tweaking crates.io crate virgil 0.2.3
[INFO] tweaked toml for crates.io crate virgil 0.2.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate virgil 0.2.3 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]     Updating crates.io index
[INFO] [stderr]      Locking 26 packages to latest compatible versions
[INFO] [stderr]       Adding docopt v0.6.86 (available: v1.1.1)
[INFO] [stderr]       Adding frontmatter v0.3.1 (available: v0.4.0)
[INFO] [stderr]       Adding mustache v0.7.0 (available: v0.9.0)
[INFO] [stderr]       Adding pulldown-cmark v0.0.15 (available: v0.13.0)
[INFO] [stderr]       Adding walkdir v1.0.7 (available: v2.5.0)
[INFO] [stderr]       Adding yaml-rust v0.3.5 (available: v0.4.5)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 9209a81d51a3b5dd659296b8577180e3cca3c116dcd22e3d59836cabb0ca29f3
[INFO] running `Command { std: "docker" "start" "-a" "9209a81d51a3b5dd659296b8577180e3cca3c116dcd22e3d59836cabb0ca29f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9209a81d51a3b5dd659296b8577180e3cca3c116dcd22e3d59836cabb0ca29f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9209a81d51a3b5dd659296b8577180e3cca3c116dcd22e3d59836cabb0ca29f3", kill_on_drop: false }`
[INFO] [stdout] 9209a81d51a3b5dd659296b8577180e3cca3c116dcd22e3d59836cabb0ca29f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0738bc86297d63422da8758a3cc62ffca9e5c714758dfcccd27534fc6b6b0c5c
[INFO] running `Command { std: "docker" "start" "-a" "0738bc86297d63422da8758a3cc62ffca9e5c714758dfcccd27534fc6b6b0c5c", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling pulldown-cmark v0.0.15
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling utf8-ranges v0.1.3
[INFO] [stderr]    Compiling getopts v0.2.24
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling strsim v0.5.2
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling walkdir v1.0.7
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling frontmatter v0.3.1
[INFO] [stderr]    Compiling mustache v0.7.0
[INFO] [stderr]    Compiling docopt v0.6.86
[INFO] [stderr]    Compiling virgil v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         try!(file.read_to_string(&mut contents));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:193:24
[INFO] [stdout]     |
[INFO] [stdout] 193 |         let mut file = try!(File::open(file_path));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `RustcDecodable` in this scope
[INFO] [stdout]   --> src/main.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[derive(Debug, RustcDecodable)]
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Args: Decodable` is not satisfied
[INFO] [stdout]    --> src/main.rs:47:25
[INFO] [stdout]     |
[INFO] [stdout]  47 |         .and_then(|d| d.decode())
[INFO] [stdout]     |                         ^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `Decodable` is not implemented for `Args`
[INFO] [stdout]    --> src/main.rs:30:1
[INFO] [stdout]     |
[INFO] [stdout]  30 | struct Args {
[INFO] [stdout]     | ^^^^^^^^^^^
[INFO] [stdout]     = help: the following other types implement trait `Decodable`:
[INFO] [stdout]               ()
[INFO] [stdout]               (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)
[INFO] [stdout]               (T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)
[INFO] [stdout]               (T10, T11)
[INFO] [stdout]               (T11,)
[INFO] [stdout]               (T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)
[INFO] [stdout]               (T3, T4, T5, T6, T7, T8, T9, T10, T11)
[INFO] [stdout]               (T4, T5, T6, T7, T8, T9, T10, T11)
[INFO] [stdout]             and 71 others
[INFO] [stdout] note: required by a bound in `Docopt::decode`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/docopt-0.6.86/src/dopt.rs:198:58
[INFO] [stdout]     |
[INFO] [stdout] 198 |     pub fn decode<D>(&self) -> Result<D, Error> where D: Decodable {
[INFO] [stdout]     |                                                          ^^^^^^^^^ required by this bound in `Docopt::decode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `virgil` (bin "virgil") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0738bc86297d63422da8758a3cc62ffca9e5c714758dfcccd27534fc6b6b0c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0738bc86297d63422da8758a3cc62ffca9e5c714758dfcccd27534fc6b6b0c5c", kill_on_drop: false }`
[INFO] [stdout] 0738bc86297d63422da8758a3cc62ffca9e5c714758dfcccd27534fc6b6b0c5c
