[INFO] fetching crate lifers-ascii 0.1.1...
[INFO] testing lifers-ascii-0.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate lifers-ascii 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate lifers-ascii 0.1.1
[INFO] finished tweaking crates.io crate lifers-ascii 0.1.1
[INFO] tweaked toml for crates.io crate lifers-ascii 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate lifers-ascii 0.1.1 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] crate crates.io crate lifers-ascii 0.1.1 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] bc56918ded454280aca0f3136cb1fcbad26025b06af53a11bb476c6c350b4df7
[INFO] running `Command { std: "docker" "start" "-a" "bc56918ded454280aca0f3136cb1fcbad26025b06af53a11bb476c6c350b4df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc56918ded454280aca0f3136cb1fcbad26025b06af53a11bb476c6c350b4df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc56918ded454280aca0f3136cb1fcbad26025b06af53a11bb476c6c350b4df7", kill_on_drop: false }`
[INFO] [stdout] bc56918ded454280aca0f3136cb1fcbad26025b06af53a11bb476c6c350b4df7
[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] 05bc2b1a62633acb82736bce5b421937a601f2c19d97c778e2820000f9981111
[INFO] running `Command { std: "docker" "start" "-a" "05bc2b1a62633acb82736bce5b421937a601f2c19d97c778e2820000f9981111", kill_on_drop: false }`
[INFO] [stderr]    Compiling lifers v0.2.0
[INFO] [stderr]    Compiling lifers-ascii v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/lib.rs:33:18
[INFO] [stdout]    |
[INFO] [stdout] 33 |                 .collect::<Box<_>>()
[INFO] [stdout]    |                  ^^^^^^^ cannot infer type of the type parameter `B` declared on the method `collect`
[INFO] [stdout] 34 |                 .join("\n"),
[INFO] [stdout]    |                  ---- type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]    |
[INFO] [stdout] 33 -                 .collect::<Box<_>>()
[INFO] [stdout] 33 +                 .collect::<Vec<_>>()
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lifers-ascii` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "05bc2b1a62633acb82736bce5b421937a601f2c19d97c778e2820000f9981111", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05bc2b1a62633acb82736bce5b421937a601f2c19d97c778e2820000f9981111", kill_on_drop: false }`
[INFO] [stdout] 05bc2b1a62633acb82736bce5b421937a601f2c19d97c778e2820000f9981111